CN117226120A - Plasma jet driven microelectronic circuit 3D printing device and working method - Google Patents

Abstract

The invention relates to the technical field of 3D printing devices, specifically a plasma jet-driven microelectronic circuit 3D printing device and a working method. An air inlet pipe is fixedly installed inside the jet plasma generating component, and an emission tube is fixedly connected to the output end of the air inlet pipe. , there is an installation cavity inside the launch tube, and a needle electrode is fixedly installed inside the installation cavity. The air is passed into the launch tube through an air compressor. At the copper ring, the needle electrode discharges the copper ring, ionizing the air to produce Plasma, while the air flow ejects the plasma, and through the high-speed ejection of metal powder, 3D printing of laminated workpieces can be carried out according to needs. At the same time, metal powder can also be sprayed on the surface of non-metal workpieces to carry out the manufacturing of electronic circuits.

Description

Plasma jet driven microelectronic circuit 3D printing device and working method

Technical field

The present invention relates to the technical field of 3D printing devices, specifically a plasma jet-driven microelectronic circuit 3D printing device.

Background technique

In recent years, the term 3D printing has gone from unfamiliar to familiar and gradually integrated into people's lives and work. However, there are still many children who do not know enough about 3D printing. 3D printing is not mysterious, it is just a new type of manufacturing and processing. Technology, 3D printing is a type of rapid prototyping technology. It is based on a digital model (3D design file) file and uses adhesive materials such as powdered metal or plastic to print layer by layer through a 3D printer. Techniques for constructing objects

Metal powder spraying/3D printing is one of the important technologies in equipment manufacturing. Currently, various methods such as arc spraying, plasma spraying, and supersonic flame spraying can also be used to prepare copper coatings in electronic circuits. However, this type of spraying technology There are problems such as serious oxidation of the copper coating when the preparation temperature is too high, internal pores, and low bonding strength between the coating and the substrate. In addition, electromagnetic accelerated plasma spraying technology uses metal wire electric explosion to generate plasma and accelerate the plasma in the form of orbits. , it is inevitable to cause ablation of the track, reduce its life, and the controllability is not strong. Therefore, the present invention proposes an electronic circuit printing device driven by electromagnetic pulse and plasma jet, which generates plasma jet through high-voltage discharge and drives The metal powder moves and accelerates the plasma through a non-contact coil, aiming to increase the ejection speed of the metal powder to achieve high-strength bonding without affecting the service life of the device itself.

In view of this, the present application provides a plasma jet-driven microelectronic circuit 3D printing device.

Contents of the invention

In order to make up for the above shortcomings, the present invention provides a plasma jet driven microelectronic circuit 3D printing device.

The technical solution of the present invention is:

A plasma jet-driven microelectronic circuit 3D printing device, including a microelectronic circuit printing device main body. A jet plasma generating component is fixedly installed above the main body of the microelectronic circuit printing device. The jet plasma generating component is fixedly installed inside. There is an air inlet pipe. The output end of the air inlet pipe is fixedly connected to a launch tube. An installation cavity is provided inside the launch pipe. A needle electrode is fixedly installed inside the installation cavity. The side of the needle electrode is fixedly connected. There is a rubber plug, and a first fixing buckle is provided on the side of the rubber plug.

As a preferred technical solution, a copper ring is fixedly installed below the first fixed buckle, a first high-voltage power supply is provided on the left side of the launch tube, and an electromagnetic pulse driving acceleration assembly is fixedly installed at the end of the needle electrode. A first electromagnetic pressure regulating valve is fixedly installed inside the electromagnetic pulse driving acceleration component. A feed port is provided at the output end of the first electromagnetic pressure regulating valve. A first pulse coil is fixedly installed at the end of the feed port. , a second fixed buckle is provided above the first pulse coil, and a second pulse coil is fixedly installed above the second fixed buckle.

As a preferred technical solution, a switch unit is fixedly installed at the input end of the first pulse coil, an energy storage unit is fixedly installed at the end of the switch unit, and a second high-voltage power supply is fixedly installed below the energy storage unit. A connecting column is provided at the output end of the launch tube, and a printer is fixedly installed below the connecting column.

As a preferred technical solution, a printing component is fixedly installed on the side of the printer, a transmission seat is fixedly installed above the printing component, a fixed plate is provided above the transmission seat, and the right side of the fixed plate is fixedly installed. Has a support stand.

As a preferred technical solution, a transmission column is fixedly installed below the support frame, and a transmission plate is slidingly connected to the side of the transmission column.

As a preferred technical solution, a driving wheel is rotatably connected to the right side of the transmission column, a lifting assembly is fixedly installed on the side of the fixed plate, and a motor is fixedly installed on the front end of the lifting assembly.

As a preferred technical solution, a threaded rod is fixedly installed at the output end of the motor, and an adjustment plate is engaged and connected to the side of the threaded rod.

As a preferred technical solution, a sliding rod is provided on the right side of the adjustment plate, and a workbench is fixedly connected to the front end of the adjustment plate.

As a preferred technical solution, a main control assembly is fixedly installed below the workbench, a heat dissipation port is provided on the side of the main control assembly, and a first fan is provided at the front end of the main control assembly. A first connection hole is provided on the right side, a second fan is fixedly installed on the right side of the first connection hole, a second connection hole is provided on the right side of the second fan, and a second connection hole is fixedly installed above the second connection hole. There is a compression assembly, and a second electromagnetic pressure regulating valve is fixedly installed above the compression assembly.

As a preferred technical solution, a connecting pipe is fixedly connected above the air compressor, a brake is fixedly installed below the connecting pipe, a second support plate is fixedly installed above the main control assembly, and the second support A first support plate is fixedly installed on the right side of the board, a first connecting frame is fixedly installed on the right side of the first supporting plate, a connecting plate is fixedly connected to the rear end of the first connecting frame, and the lower part of the connecting plate A fixing buckle is fixedly installed, a second connecting frame is fixedly installed below the connecting plate, and a mounting hole is provided on the side of the second connecting frame.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, an air inlet pipe is fixedly installed inside the jet plasma generating component, and the output end of the air inlet pipe is fixedly connected to a launch tube. An installation cavity is provided inside the launch tube, and a needle electrode is fixedly installed inside the installation cavity. A rubber plug is fixedly connected to the side of the needle electrode, and a first fixed buckle is provided on the side of the rubber plug. The air is passed into the launch tube through the air compressor. At the copper ring, the needle electrode discharges the copper ring to ionize the air to produce Plasma, and airflow will eject the plasma at the same time. Through the high-speed ejection of metal powder, coatings can be printed on the surface of metal plates. 3D printing of laminated workpieces can also be carried out according to needs. Metal powder can also be sprayed on non-metallic surfaces. On the surface of metal workpieces, electronic circuits are manufactured.

2. In the present invention, a first electromagnetic pressure regulating valve is fixedly installed inside the electromagnetic pulse driving acceleration component. The output end of the first electromagnetic pressure regulating valve is provided with a feed port, and the end of the feed port is fixedly installed with a first pulse coil. , a second fixed buckle is provided above the first pulse coil, and a second pulse coil is fixedly installed above the second fixed buckle. The metal powder is discharged from the feed port through the storage unit, and the electromagnetic regulating valve controls the feeding. At a speed of A strong magnetic field accelerates the plasma. The plasma continuously accelerates in the transient magnetic field, and at the same time pushes the metal powder to accelerate together until it is ejected from the launch tube, collides with the matrix to produce metallurgical bonding, and is struck by high-voltage (DC or AC or pulse) power. Plasma is generated by discharging through the air to avoid the noise effect caused by the electric explosion of metal wires. The plasma is controlled by adjusting parameters such as voltage amplitude, (AC or pulse) frequency and air flow, and the initial conditions of metal powder injection are controlled. Control, reduce noise and safety hazards caused by electric explosions of metal wires, and avoid plasma ablation of the track during high-speed orbital movement.

3. In the present invention, a heat dissipation port is provided on the side of the main control component, a first fan is provided on the front end of the main control component, a first connection hole is provided on the right side of the first fan, and a third connection hole is fixedly installed on the right side of the first connection hole. The second fan is controlled and monitored by the monitoring component. The control includes the high-voltage power supply of the jet plasma generator part and the electromagnetic pulse drive accelerator part, air compressor air flow valve, switch unit, feed port flow rate, etc. Monitoring includes gas flow rate, Key parameters such as discharge voltage, discharge current, and metal powder storage conditions are also used to drive the fan to cool down the device. The plasma acceleration process can be precisely controlled by setting the discharge parameters.

Description of drawings

Figure 1 is a schematic diagram of the main structure of the microelectronic circuit printing device of the present invention;

Figure 2 is a schematic structural diagram of the appearance component of the present invention;

Figure 3 is a schematic structural diagram of the jet plasma generating assembly of the present invention;

Figure 4 is a schematic structural diagram of the electromagnetic pulse drive acceleration component of the present invention;

Figure 5 is a schematic structural diagram of the printing assembly of the present invention;

Figure 6 is a schematic structural diagram of the lifting assembly of the present invention;

Figure 7 is a schematic structural diagram of the main control component of the present invention;

Figure 8 is a schematic structural diagram of the compression component of the present invention.

In the figure: 1. Main body of the microelectronic circuit printing device; 11. Fixed buckle; 12. Connecting plate; 13. First connecting frame; 14. First supporting plate; 15. Second supporting plate; 16. Second connecting frame; 17. Installation hole; 2. Jet plasma generation component; 21. Air inlet pipe; 22. Installation cavity; 23. Needle electrode; 24. Rubber plug; 25. Launch tube; 26. Copper ring; 27. First fixing buckle ; 28. First high-voltage power supply; 3. Electromagnetic pulse drive acceleration component; 31. Second high-voltage power supply; 32. Switching unit; 33. Energy storage unit; 34. First pulse coil; 35. Second fixed buckle; 36 , second pulse coil; 37. first electromagnetic pressure regulating valve; 38. feed port; 4. printing component; 41. transmission seat; 42. fixed plate; 43. support frame; 44. connecting column; 45. transmission column ; 46. Transmission plate; 47. Driving wheel; 48. Printer; 5. Lifting component; 51. Slider; 52. Threaded rod; 53. Adjustment plate; 54. Workbench; 55. Motor; 6. Main control component ; 61. First fan; 62. Heat dissipation port; 63. First connection hole; 64. Second fan; 65. Second connection hole; 7. Compression component; 71. Second electromagnetic pressure regulating valve; 72. Connecting pipe ; 73. Brake; 74. Air compressor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terminology used herein in the description of the invention is for the purpose of describing specific embodiments only and is not intended to limit the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to Figures 1 to 8, the present invention provides a technical solution:

A plasma jet-driven microelectronic circuit 3D printing device, including a microelectronic circuit printing device main body 1, which is characterized in that: a jet plasma generating assembly 2 is fixedly installed above the microelectronic circuit printing device main body 1, and the jet plasma generating assembly 2 An air inlet pipe 21 is fixedly installed inside, and the output end of the air inlet pipe 21 is fixedly connected to a launch tube 25. An installation cavity 22 is provided inside the launch tube 25, and a needle electrode 23 is fixedly installed inside the installation cavity 22. The needle electrode 23 A rubber plug 24 is fixedly connected to the side of the rubber plug 24. A first fixed buckle 27 is provided on the side of the rubber plug 24. A copper ring 26 is fixedly installed below the first fixed buckle 27. A first high-voltage power supply is provided on the left side of the launch tube 25. 28. The electromagnetic pulse driving acceleration assembly 3 is fixedly installed at the end of the needle electrode 23. The first electromagnetic pressure regulating valve 37 is fixedly installed inside the electromagnetic pulse driving acceleration assembly 3. The output end of the first electromagnetic pressure regulating valve 37 is provided with a feed. The first pulse coil 34 is fixedly installed at the end of the feed port 38. A second fixed buckle 35 is provided above the first pulse coil 34. A second pulse coil 36 is fixedly installed above the second fixed buckle 35. , the switch unit 32 is fixedly installed at the input end of the first pulse coil 34, the energy storage unit 33 is fixedly installed at the end of the switch unit 32, the second high-voltage power supply 31 is fixedly installed below the energy storage unit 33, and the output end of the launch tube 25 A connecting column 44 is provided, and a printer 48 is fixedly installed below the connecting column 44 .

It should be added that air is introduced into the launch tube 25 through the air compressor 74. At the copper ring 26, the needle electrode 23 discharges the copper ring 26 to ionize the air to generate plasma. At the same time, the air flow ejects the plasma through In the form of high-speed ejection of metal powder, coatings can be printed on the surface of metal plates, and laminated workpieces can be printed according to needs. Metal powder can also be sprayed on the surface of non-metal workpieces to manufacture electronic circuits.

As a preferred embodiment of this embodiment, the printing assembly 4 is fixedly installed on the side of the printer 48, and the transmission base 41 is fixedly installed above the printing assembly 4. A fixing plate 42 is provided above the transmission base 41, and the right side of the fixing plate 42 is fixedly installed. There is a support frame 43, a transmission column 45 is fixedly installed below the support frame 43, a transmission plate 46 is slidingly connected to the side of the transmission column 45, a driving wheel 47 is rotatably connected to the right side of the transmission column 45, and a fixed plate 42 is fixedly installed on the side of the transmission column 45. The lifting assembly 5 has a motor 55 fixedly installed at the front end, a threaded rod 52 fixedly installed at the output end of the motor 55, and an adjusting plate 53 engaged and connected to the side of the threaded rod 52.

It is worth mentioning that the metal powder is discharged from the feed port 38 through the storage unit, and the speed of the feed is controlled by the first electromagnetic pressure regulating valve 37. The powder falls into the launch tube 25 and is pushed into the electromagnetic pulse driven accelerator by the metal jet. This area is composed of multiple groups of independent discharge coils. When the switch unit 32 is turned on, the energy storage unit 33 discharges the first pulse coil 34 to generate a transient strong pulse magnetic field, which accelerates the plasma. The plasma changes in the transient state. It is continuously accelerated in the magnetic field, and at the same time, the metal powder is pushed to accelerate together until it is ejected from the launch tube 25, and collides with the substrate to produce metallurgical bonding. The high-voltage (DC or AC or pulse) power supply is used to break down the air and discharge to generate plasma to avoid electric explosion of the metal wire. The noise generated is affected, and the plasma is controlled by adjusting parameters such as voltage amplitude, (AC or pulse) frequency, and air flow to control the initial conditions of metal powder injection.

As a preferred embodiment of this embodiment, a sliding rod 51 is provided on the right side of the adjusting plate 53. The front end of the adjusting plate 53 is fixedly connected to a workbench 54. The main control assembly 6 is fixedly installed below the workbench 54. The side of the main control assembly 6 A heat dissipation port 62 is provided, a first fan 61 is provided at the front end of the main control component 6, a first connection hole 63 is provided on the right side of the first fan 61, and a second fan 64 is fixedly installed on the right side of the first connection hole 63. A second connection hole 65 is provided on the right side of the second fan 64. A compression assembly 7 is fixedly installed above the second connection hole 65. A second electromagnetic pressure regulating valve 71 is fixedly installed above the compression assembly 7. The second electromagnetic pressure regulating valve 71 is fixedly installed above the compression assembly 7. An air compressor 74 is fixedly connected below the valve 71 , a connecting pipe 72 is fixedly connected above the air compressor 74 , a brake 73 is fixedly installed below the connecting pipe 72 , and a second support plate 15 is fixedly installed above the main control assembly 6 , the first support plate 14 is fixedly installed on the right side of the second support plate 15, the first connecting frame 13 is fixedly installed on the right side of the first supporting plate 14, and the connecting plate 12 is fixedly connected to the rear end of the first connecting frame 13, A fixing buckle 11 is fixedly installed below the connecting plate 12 , a second connecting frame 16 is fixedly installed below the connecting plate 12 , and a mounting hole 17 is provided on the side of the second connecting frame 16 .

During specific use, the orbital acceleration method is replaced by accelerating the first pulse coil 34 to achieve non-contact acceleration of the plasma. The plasma drives the metal powder to move at high speed, which is also suitable for metals with weak conductivity and avoids plasma The ablation of the orbit by the body during the high-speed motion of the orbit can improve the service life of the device. At the same time, the generation of plasma and its acceleration are two independent devices. The plasma acceleration process can be accurately controlled by setting the discharge parameters.

When the plasma jet-driven microelectronic circuit 3D printing device of the present invention is used, air is first introduced into the launch tube 25 through the air compressor 74. At the copper ring 26, the needle electrode 23 discharges the copper ring 26. The air is ionized to generate plasma, and the air flow ejects the plasma at a high speed. Through the high-speed ejection of metal powder, coatings can be printed on the surface of the metal plate, and laminated workpieces can also be printed according to needs. At the same time, the metal powder can be Spray on the surface of non-metallic workpieces to manufacture electronic circuits. The metal powder is discharged from the feed port 38 through the storage unit. The first electromagnetic pressure regulating valve 37 controls the feed speed. The powder falls into the launch tube 25 and is The metal jet is pushed into the electromagnetic pulse driven accelerator area, which is composed of multiple sets of independent discharge coils. When the switch unit 32 is turned on, the energy storage unit 33 discharges the first pulse coil 34 to generate a transient strong pulse magnetic field, which affects the plasma. Body acceleration, the plasma continuously accelerates in the transient magnetic field, and at the same time pushes the metal powder to accelerate together, until it is ejected from the launch tube 25, collides with the substrate to produce metallurgical bonding, and is generated by high-voltage (DC or AC or pulse) power supply breakdown in the air. Plasma avoids the noise effects caused by electric explosions of metal wires, and controls the plasma by adjusting parameters such as voltage amplitude, (AC or pulse) frequency, and air flow to control the initial conditions of metal powder injection. The form of accelerating the first pulse coil 34 replaces the orbital acceleration method to achieve non-contact acceleration of the plasma. The plasma drives the metal powder to move at high speed. It is also suitable for metals with weak conductivity and avoids the plasma from damaging the metal during the high-speed orbital movement. The ablation of the track can improve the service life of the device. At the same time, the generation of plasma and its acceleration are two independent devices. The plasma acceleration process can be precisely controlled by setting the discharge parameters.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Under the premise, there will be various changes and improvements in the present invention, and these changes and improvements all fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A plasma jet-driven microelectronic circuit 3D printing device, comprising a microelectronic circuit printing device main body (1), characterized in that: a jet plasma generator is fixedly installed above the microelectronic circuit printing device main body (1) Component (2). An air inlet pipe (21) is fixedly installed inside the jet plasma generating assembly (2). The output end of the air inlet pipe (21) is fixedly connected with a launch tube (25). The launch tube (25) ) has an installation cavity (22) inside, a needle electrode (23) is fixedly installed inside the installation cavity (22), and a rubber plug (24) is fixedly connected to the side of the needle electrode (23), so A first fixing buckle (27) is provided on the side of the rubber plug (24). 2. A plasma jet-driven microelectronic circuit 3D printing device according to claim 1, characterized in that: a copper ring (26) is fixedly installed below the first fixed buckle (27), and the A first high-voltage power supply (28) is provided on the left side of the launch tube (25), and an electromagnetic pulse driving acceleration assembly (3) is fixedly installed at the end of the needle electrode (23). The electromagnetic pulse driving acceleration assembly (3) A first electromagnetic pressure regulating valve (37) is fixedly installed inside. The output end of the first electromagnetic pressure regulating valve (37) is provided with a feed port (38). The end of the feed port (38) is fixedly installed with a A first pulse coil (34), a second fixed buckle (35) is provided above the first pulse coil (34), and a second pulse coil (35) is fixedly installed above the second fixed buckle (35) 36). 3. A plasma jet-driven microelectronic circuit 3D printing device according to claim 2, characterized in that: a switch unit (32) is fixedly installed at the input end of the first pulse coil (34), and the An energy storage unit (33) is fixedly installed at the end of the switch unit (32), a second high-voltage power supply (31) is fixedly installed below the energy storage unit (33), and the output end of the launch tube (25) is provided with The connecting column (44) has a printer (48) fixedly installed below the connecting column (44). 4. A plasma jet-driven microelectronic circuit 3D printing device as claimed in claim 3, characterized in that: a printing component (4) is fixedly installed on the side of the printer (48), and the printing component (4) 4), a transmission seat (41) is fixedly installed above the transmission seat (41), a fixed plate (42) is provided above the transmission seat (41), and a support frame (43) is fixedly installed on the right side of the fixed plate (42). 5. A plasma jet-driven microelectronic circuit 3D printing device as claimed in claim 4, characterized in that: a transmission column (45) is fixedly installed below the support frame (43), and the transmission column (45) The side of 45) is slidingly connected with a transmission plate (46). 6. A plasma jet-driven microelectronic circuit 3D printing device according to claim 5, characterized in that: a driving wheel (47) is rotatably connected to the right side of the transmission column (45), and the fixed plate A lifting assembly (5) is fixedly installed on the side of (42), and a motor (55) is fixedly installed on the front end of the lifting assembly (5). 7. A plasma jet-driven microelectronic circuit 3D printing device as claimed in claim 6, characterized in that: a threaded rod (52) is fixedly installed at the output end of the motor (55), and the threaded rod (52) is fixedly installed on the output end of the motor (55). The side of 52) is engaged and connected with an adjusting plate (53). 8. A plasma jet-driven microelectronic circuit 3D printing device as claimed in claim 7, characterized in that: a slide bar (51) is provided on the right side of the adjustment plate (53), and the adjustment plate (53) The front end of 53) is fixedly connected with a workbench (54). 9. A plasma jet-driven microelectronic circuit 3D printing device according to claim 8, characterized in that: a main control assembly (6) is fixedly installed below the workbench (54), and the main control assembly (6) is fixedly installed below the workbench (54). A heat dissipation port (62) is provided on the side of the component (6), a first fan (61) is provided on the front end of the main control component (6), and a first connection hole is provided on the right side of the first fan (61). (63), a second fan (64) is fixedly installed on the right side of the first connection hole (63), and a second connection hole (65) is provided on the right side of the second fan (64). A compression assembly (7) is fixedly installed above the two connection holes (65), and a second electromagnetic pressure regulating valve (71) is fixedly installed above the compression assembly (7). The second electromagnetic pressure regulating valve (71) An air compressor (74) is fixedly connected below; A connecting pipe (72) is fixedly connected above the air compressor (74), a brake (73) is fixedly installed below the connecting pipe (72), and a third brake (73) is fixedly installed above the main control assembly (6). Two support plates (15), a first support plate (14) is fixedly installed on the right side of the second support plate (15), and a first connecting frame (14) is fixedly installed on the right side of the first support plate (14). 13), the rear end of the first connecting frame (13) is fixedly connected with a connecting plate (12), and a fixing buckle (11) is fixedly installed below the connecting plate (12). A second connecting frame (16) is fixedly installed below, and a mounting hole (17) is provided on the side of the second connecting frame (16). 10. A working method for 3D printing of microelectronic circuits driven by plasma jet, which is characterized by: by replacing the orbital acceleration method with the form of accelerating the first pulse coil, non-contact acceleration of the plasma is achieved, and the plasma drives the metal powder at high speed Movement is also suitable for metals with low conductivity, and avoids plasma ablation of the orbit during high-speed orbital motion, which can improve the service life of the device. At the same time, the generation of plasma and its acceleration are two independent devices, which can be The setting of discharge parameters accurately controls the plasma acceleration process; when used, air is first introduced into the launch tube through an air compressor, and at the copper ring, the needle electrode discharges the copper ring to ionize the air to generate plasma, and at the same time the air flow Plasma is ejected and metal powder is ejected at high speed to print coatings on the surface of metal plates. It can also print laminated workpieces according to needs. At the same time, metal powder can also be sprayed on the surface of non-metal workpieces to carry out electronic work. In the manufacturing of circuits, metal powder is discharged from the feed port through the storage unit. The speed of the feed is controlled by the first electromagnetic pressure regulating valve. The powder falls into the launch tube and is pushed into the electromagnetic pulse driven accelerator area by the metal jet. This area It is composed of multiple groups of independent discharge coils. When the switch unit is turned on, the energy storage unit discharges the first pulse coil, generating a transient pulse strong magnetic field to accelerate the plasma. The plasma continues to accelerate in the transient magnetic field and simultaneously promotes It accelerates together with the metal powder until it ejects the launch tube, and collides with the substrate to produce metallurgical bonding. The high-voltage power supply breaks down the air and discharges to generate plasma, avoiding the noise impact caused by the electric explosion of the metal wire, and by adjusting the amplitude, frequency and voltage of the voltage. Parameters such as airflow control the plasma and control the initial conditions of metal powder injection. By replacing the orbital acceleration method with the accelerating first pulse coil, non-contact acceleration of the plasma is achieved, and the plasma drives the metal powder to move at high speed. , also suitable for metals with low electrical conductivity, and to avoid plasma ablation of the orbit during high-speed orbital motion.