CN112003086B - A high-speed signal transmission cable - Google Patents
A high-speed signal transmission cable Download PDFInfo
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- CN112003086B CN112003086B CN202010850051.9A CN202010850051A CN112003086B CN 112003086 B CN112003086 B CN 112003086B CN 202010850051 A CN202010850051 A CN 202010850051A CN 112003086 B CN112003086 B CN 112003086B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Insulated Conductors (AREA)
Abstract
本发明涉及一种高速信号传输电缆，属于芯片测试装置技术领域。其特征在于：包括线缆集束和至少一个接插件模块，其中线缆集束由多组同轴线缆和包在同轴线缆外的管套组成，接插件模块包括弹簧针、弹簧套管，套件基座和信号转换块，套件基座为中央凸起并在凸起处设有阵列排布的通孔的台阶状构件，套件基座底部对应中央凸起有一个凹陷，信号转换块上开设有与套件基座的通孔位置对应的通孔，嵌入套件基座的凹陷处后两者对应的通孔互相联通，弹簧套管套在弹簧针外，弹簧针的尾部穿过套件基座和信号转换块的通孔后与同轴线缆一端的信号线或接地线焊接。本发明解决了信号传输电缆在高频情况下的易受干扰、单端不可控的情况，能明显改善信号传输质量。
The present invention relates to a high-speed signal transmission cable, belonging to the technical field of chip testing devices. It is characterized in that it includes a cable bundle and at least one connector module, wherein the cable bundle is composed of multiple groups of coaxial cables and a tube sleeve wrapped outside the coaxial cables, the connector module includes a spring pin, a spring sleeve, a kit base and a signal conversion block, the kit base is a step-shaped component with a central protrusion and an array of through holes arranged at the protrusion, the bottom of the kit base has a depression corresponding to the central protrusion, a through hole corresponding to the position of the through hole of the kit base is opened on the signal conversion block, and the two corresponding through holes are connected to each other after being embedded in the depression of the kit base, the spring sleeve is sleeved outside the spring pin, and the tail of the spring pin passes through the through holes of the kit base and the signal conversion block and is welded to the signal line or ground line at one end of the coaxial cable. The present invention solves the problem that the signal transmission cable is susceptible to interference and single-end uncontrollable under high frequency conditions, and can significantly improve the signal transmission quality.
Description
Technical Field
The invention relates to a high-speed signal transmission cable, and belongs to the technical field of chip testing devices.
Background
Chip Automated Test Equipment (ATE) is commonly used to test logic on manufactured chips in the field of chip manufacturing, ensuring that the performance on the chip meets design requirements. At present, a high-speed cable formed by a plurality of groups of coaxial cables and spring pin modules is generally used for transmitting signals, two ends of the coaxial cables are stripped to separate out signal wires and grounding wires, the signal wires and the grounding wires are respectively welded with the spring pin modules, and then the welding parts are filled with epoxy resin glue for protection and isolation, but the following defects exist:
1. The welding of the cable and the spring needle damages the impedance environment, is extremely easy to cause signal mutation at the position, and is greatly influenced by the welding process and the level of workers.
2. Because each pair of spring pins is welded with the same coaxial cable, high-speed signals transmitted by the cable cores are independent, and the GND short circuit is not connected to a plane at the front end spring pin module. The loop current of each path of signal can only return to ATE along the ground probe matched with the loop current, the loop current is not the optimal ground loop, the signal is not easily unstable and attenuated due to the fact that GND surrounds around the signal to perform shielding, and the signal cannot be transmitted within the range of single end +/-10%.
3. When the tail of the spring needle module of the array is welded with the cable, because no additional auxiliary structure is provided, the circuit breaking and the deformation are easy to occur in the welding spot support of the spring needle and the coaxial line.
Disclosure of Invention
The invention provides a high-speed signal transmission cable which can effectively reduce attenuation and abrupt change in the high-frequency signal transmission process and reduce the risks of disconnection and deformation.
The technical scheme is as follows:
A high-speed signal transmission cable is characterized by comprising a cable bundle and at least one connector module, wherein the cable bundle consists of a plurality of groups of coaxial cables and a sleeve which is wrapped outside the coaxial cables, the connector module comprises a spring needle, a spring sleeve, a sleeve base and a signal conversion block, the sleeve base is a central bulge and is provided with a step-shaped member with through holes distributed in an array manner at the bulge, a dent is arranged at the bottom of the sleeve base corresponding to the central bulge, through holes corresponding to the positions of the through holes of the sleeve base are formed in the signal conversion block, the through holes corresponding to the through holes embedded in the dent of the sleeve base are communicated with each other, the spring sleeve is sleeved outside the spring needle, and the tail part of the spring needle is welded with a signal wire or a grounding wire at one end of the coaxial cable after passing through the through holes of the sleeve base and the signal conversion block.
Furthermore, at least one bolt through hole is respectively formed in two sides of the central bulge of the sleeve base, and the sleeve base is fixedly connected with other equipment through bolts.
Further, the internal resistance of the coaxial cable is 50-75 ohms, the sleeve is a soft rubber tube, and a plurality of cross-shaped plastic frameworks are arranged in the sleeve and used for separating and protecting the coaxial cable.
Further, both ends of the coaxial cable are connected with the connector modules, and epoxy resin glue is poured into the welding connection position of the tail part of the spring needle and the coaxial cable by using a die, so that a solid protection layer is formed, and the impedance of each coaxial cable welding point is unified.
Further, one end of the coaxial cable is connected with the connector module, epoxy resin glue is poured into the welding joint of the tail part of the spring needle and the coaxial cable by using a die, a solid protection layer is formed, the impedance of each coaxial cable welding point is unified, and the other end of the coaxial cable is directly connected with equipment or other kinds of interfaces according to the requirement.
Further, through holes in the signal conversion block are divided into an insulating hole and a grounding hole, spring pins inserted into the grounding holes are grounding probes, the spring pins inserted into the insulating holes are signal probes, the insulating holes and the grounding holes are distributed at intervals, the periphery of each insulating hole is provided with the grounding holes, 4 grounding probes which are grounded in total surround the periphery of each signal probe, signals are not easy to interfere, the inner diameter of each grounding hole is consistent with the outer diameter of the tail part of each spring pin, all the grounding holes are communicated with each other, and the inner diameter of each insulating hole is slightly larger than the outer diameter of the tail part of each spring pin, so that glue can smoothly flow into the insulating holes during glue filling.
Further, the signal conversion block is a multi-layer PCB board in which copper is plated in the ground hole and is connected to each other through a layer of PCB board.
Furthermore, the signal conversion block is made of a whole piece of conductive metal, the spring pins penetrating through the grounding holes are in close contact with the grounding holes, the grounding grid is formed by connecting the conductive metal with each other, the spring pins penetrating through the insulating holes are not in contact with the insulating holes, and gaps between the spring pins penetrating through the insulating holes are insulated by the injected epoxy resin glue.
The beneficial effects are that:
1) The invention ensures that the ground connection between coaxial cables forms an optimal ground loop by arranging the signal conversion block, solves the problems of easy interference and uncontrollable single end of the high-speed transmission cable under the high-frequency condition, and can obviously improve the signal transmission quality of the high-speed signal line.
2) The grounding holes and the insulating holes of the signal conversion block are arranged to ensure that four grounding probes are arranged around each signal receiving probe to form shielding.
3) The signal conversion block enables the spring needle to be welded with the coaxial cable by adopting a machine, and reduces the requirement on the level of workers during manual welding.
4) The signal conversion block is used for forming a supporting point, so that the mechanical strength is improved, the defect that the spring probe is not supported and is easy to deform can be avoided, the firmness of the welding point between the spring probe and the coaxial cable can be ensured after the epoxy resin is filled, the damage is difficult to occur, and a uniform impedance environment is formed.
Drawings
FIG. 1 is a schematic diagram of a high-speed signal transmission cable according to the present invention;
FIG. 2 is a schematic view of a connector module;
FIG. 3 is a schematic view of the structure of the back of the base of the kit;
FIG. 4 is a schematic diagram of a signal conversion block embedded in the back of the base of the kit;
Wherein 1 is a connector module, 11 is a sleeve base, 111 is a spring sleeve, 112 is a spring pin, 12 is a bolt, 13 is a signal conversion block, 131 is a grounding hole, 132 is an insulating hole, 14 is a bolt through hole, 2 is a cable bundle, and 21 is a coaxial cable.
Detailed Description
The invention is described in detail below with reference to the attached drawings and the specific embodiments:
As shown in fig. 1 to 3, a high-speed signal transmission cable includes a cable bundle 2 and at least one connector module 1, wherein the cable bundle 2 is composed of a plurality of groups of coaxial cables 21 and a sleeve covering the coaxial cables, the connector module 1 includes a spring pin 112, a spring sleeve 111, a sleeve base 11 and a signal conversion block 13, the sleeve base 11 is a central protrusion and is provided with a step-shaped member with through holes arranged in an array at the protrusion, a recess is arranged at the bottom of the sleeve base 11 corresponding to the central protrusion, the signal conversion block 13 is provided with a through hole corresponding to the position of the through hole of the sleeve base 11, the through holes corresponding to the rear two of the recess are mutually communicated, the spring sleeve 111 is sleeved outside the spring pin 112, and the tail of the spring pin 112 is welded with a signal wire or a ground wire at one end of the coaxial cable 21 after passing through the through holes of the sleeve base 11 and the signal conversion block 13.
At least one bolt through hole 14 is formed on two sides of the central bulge of the sleeve base 11, and the sleeve base is fixedly connected with other equipment through bolts 12.
The internal resistance of the coaxial cable 21 is 50-75 ohms, the sleeve is a soft rubber tube, and a plurality of cross-shaped plastic frameworks are arranged in the sleeve and used for separating and protecting the coaxial cable 21.
Both ends of the coaxial cable 21 are connected with the connector module 1, and epoxy resin glue is poured into the welded connection part of the tail part of the spring pin 112 and the coaxial cable 21 by using a die, so that a solid protection layer is formed.
One end of the coaxial cable 21 is connected with the connector module 1, and epoxy resin glue is poured into the welding connection position of the tail part of the spring pin 112 and the coaxial cable 21 by using a mould to form a solid protection layer, and the other end is directly connected with equipment or other kinds of interfaces according to the requirement.
As shown in fig. 4, the through holes of the signal conversion block 13 are divided into insulating holes 132 and grounding holes 131, the insulating holes 132 and the grounding holes 131 are distributed at intervals, the grounding holes 131 are arranged around each insulating hole 132, the inner diameter of each grounding hole 131 is consistent with the outer diameter of the tail part of the spring needle 112, the grounding holes 131 are communicated with each other, and the inner diameter of each insulating hole 132 is slightly larger than the outer diameter of the tail part of the spring needle 112.
The signal conversion block 13 is a multi-layer PCB board in which copper is plated in the ground hole and is connected to each other by a layer of PCB board.
The signal conversion block 13 is made of a monolithic conductive metal, the spring pins 112 passing through the grounding holes 131 are closely contacted with the grounding holes 131, a grounding net is formed by interconnecting the conductive metals, the spring pins 112 passing through the insulating holes 132 are not contacted with the insulating holes 132, and gaps between the spring pins 112 and the grounding net are insulated by the injected epoxy resin glue.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The high-speed signal transmission cable is characterized by comprising a cable bundle (2) and at least one connector module (1), wherein the cable bundle (2) is composed of a plurality of groups of coaxial cables (21) and sleeves wrapped outside the coaxial cables, the connector module (1) comprises a spring needle (112), a spring sleeve (111), a sleeve base (11) and a signal conversion block (13), the sleeve base (11) is a central bulge and is provided with a step-shaped member with through holes distributed in an array mode at the bulge, the bottom of the sleeve base (11) is provided with a concave corresponding to the central bulge, the signal conversion block (13) is provided with through holes corresponding to the through holes of the sleeve base (11), the through holes corresponding to the through holes of the sleeve base (11) are mutually communicated after the through holes are embedded in the concave of the sleeve base (11), the spring sleeve (111) is sleeved outside the spring needle (112), and the tail of the spring needle (112) penetrates through the through holes of the sleeve base (11) and the signal conversion block (13) and then is welded with a signal wire or a grounding wire at one end of the coaxial cable (21).
2. The high-speed signal transmission cable according to claim 1, wherein at least one bolt through hole (14) is formed on each side of the central boss of the sleeve base (11), and the sleeve base is fixedly connected with other devices through bolts (12).
3. The high-speed signal transmission cable according to claim 1, wherein the internal resistance of the coaxial cable (21) is 50-75 ohms, the sleeve is a soft rubber tube, and a plurality of cross-shaped plastic frameworks are arranged in the sleeve and used for separating and protecting the coaxial cable (21).
4. The high-speed signal transmission cable according to claim 1, wherein both ends of the coaxial cable (21) are connected with the connector module (1), and epoxy resin glue is poured into the welded connection part of the tail part of the spring pin (112) and the coaxial cable (21) by using a die to form a solid protection layer.
5. The high-speed signal transmission cable according to claim 1, wherein one end of the coaxial cable (21) is connected with the connector module (1), and epoxy resin glue is poured at the welding connection position of the tail part of the spring pin (112) and the coaxial cable (21) by using a die to form a solid protection layer, and the other end is directly connected with equipment or other types of interfaces according to requirements.
6. The high-speed signal transmission cable according to claim 1, wherein the through holes of the signal conversion block (13) are divided into insulating holes (132) and grounding holes (131), the insulating holes (132) and the grounding holes (131) are distributed at intervals, the grounding holes (131) are arranged around each insulating hole (132), the inner diameter of each grounding hole (131) is consistent with the outer diameter of the tail part of the spring needle (112), the grounding holes (131) are communicated with each other, and the inner diameter of each insulating hole (132) is slightly larger than the outer diameter of the tail part of the spring needle (112).
7. The high-speed signal transmission cable according to claim 6, wherein the signal conversion block (13) is a multi-layer PCB board in which copper is plated in the ground hole and is connected to each other through a layer of PCB board.
8. The high-speed signal transmission cable according to claim 6, wherein the signal conversion block (13) is made of a monolithic piece of conductive metal, the spring pins (112) penetrating through the grounding holes (131) are in close contact with the grounding holes (131) and are connected with each other through the conductive metal to form a grounding grid, the spring pins (112) penetrating through the insulating holes (132) are not in contact with the insulating holes (132), and gaps between the spring pins and the grounding holes are insulated through the injected epoxy resin glue.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850051.9A CN112003086B (en) | 2020-08-21 | 2020-08-21 | A high-speed signal transmission cable |
| TW110117290A TWI759204B (en) | 2020-08-21 | 2021-05-13 | High speed signal transmission wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850051.9A CN112003086B (en) | 2020-08-21 | 2020-08-21 | A high-speed signal transmission cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112003086A CN112003086A (en) | 2020-11-27 |
| CN112003086B true CN112003086B (en) | 2025-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010850051.9A Active CN112003086B (en) | 2020-08-21 | 2020-08-21 | A high-speed signal transmission cable |
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| Country | Link |
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| CN (1) | CN112003086B (en) |
| TW (1) | TWI759204B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114914760A (en) * | 2022-06-10 | 2022-08-16 | 东莞市正合普力生电子有限公司 | High-frequency connector |
| CN116249263B (en) * | 2023-02-10 | 2025-08-26 | 苏州浪潮智能科技有限公司 | EVB module and EVB module processing method |
| CN116879586A (en) * | 2023-07-28 | 2023-10-13 | 上海捷策创电子科技有限公司 | Coaxial high-speed interface device for semiconductor test |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000049651A (en) * | 2000-04-20 | 2000-08-05 | 우상엽 | Test fixture for PCB |
| CN205960275U (en) * | 2016-08-31 | 2017-02-15 | 深圳市富方达科技有限公司 | Corrosion -resistant connector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6686732B2 (en) * | 2001-12-20 | 2004-02-03 | Teradyne, Inc. | Low-cost tester interface module |
| US7404718B2 (en) * | 2003-11-05 | 2008-07-29 | Tensolite Company | High frequency connector assembly |
| US9645172B2 (en) * | 2014-10-10 | 2017-05-09 | Samtec, Inc. | Cable assembly |
| CN107078442A (en) * | 2014-11-06 | 2017-08-18 | 安达概念股份有限公司 | Controlled Impedance Cable Termination Using Compliant Interconnect Components |
| JP6605228B2 (en) * | 2015-05-08 | 2019-11-13 | 富士通コンポーネント株式会社 | connector |
| DE102016205586A1 (en) * | 2016-04-05 | 2017-10-05 | Voith Patent Gmbh | Data bus connector for high data rates |
| WO2018218248A1 (en) * | 2017-05-26 | 2018-11-29 | Smiths Interconnect Americas, Inc. | Impedance controlled test socket |
| JP7240317B2 (en) * | 2017-07-24 | 2023-03-15 | 株式会社ヨコオ | Inspection jig |
| CN212908364U (en) * | 2020-08-21 | 2021-04-06 | 胜达克半导体科技(上海)有限公司 | High-speed signal transmission cable |
-
2020
- 2020-08-21 CN CN202010850051.9A patent/CN112003086B/en active Active
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2021
- 2021-05-13 TW TW110117290A patent/TWI759204B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000049651A (en) * | 2000-04-20 | 2000-08-05 | 우상엽 | Test fixture for PCB |
| CN205960275U (en) * | 2016-08-31 | 2017-02-15 | 深圳市富方达科技有限公司 | Corrosion -resistant connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112003086A (en) | 2020-11-27 |
| TW202209762A (en) | 2022-03-01 |
| TWI759204B (en) | 2022-03-21 |
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| CB02 | Change of applicant information |
Address after: 201799 1st floor, building 1, 1130 qinghewan Road, Qingpu District, Shanghai Applicant after: Sundak Semiconductor Technology (Shanghai) Co.,Ltd. Address before: 201799 1st floor, building 1, 1130 qinghewan Road, Qingpu District, Shanghai Applicant before: Sundec semiconductor technology (Shanghai) Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |