CN102306892B - Manufacturing method for high-frequency high-speed data connector - Google Patents
Manufacturing method for high-frequency high-speed data connector Download PDFInfo
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- CN102306892B CN102306892B CN 201110177558 CN201110177558A CN102306892B CN 102306892 B CN102306892 B CN 102306892B CN 201110177558 CN201110177558 CN 201110177558 CN 201110177558 A CN201110177558 A CN 201110177558A CN 102306892 B CN102306892 B CN 102306892B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 2
- 238000003490 calendering Methods 0.000 abstract 1
- 206010039509 Scab Diseases 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001404 mediated effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
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Abstract
The invention discloses a manufacturing method for a high-frequency high-speed data connector. The manufacturing method comprises the steps of: (1) manufacturing a high-frequency high-speed data transmission cable: pressing and molding an insulation layer which forms a signal wire on two conductors arranged into one row; pressing and molding one insulation layer which forms a null line on four conductors arranged into one row; providing conductors to form a ground wire; arranging one null line in the center of the high-frequency high-speed data transmission cable, symmetrically arranging the four signal wires on both sides of the null line, symmetrically arranging the two ground wires at outmost side, arranging the signal wires, the null lines and the conductors as the ground wires into one row; cladding a metal layer on the signal wires, the null lines and the ground wires to form a total shielding layer; attaching the total shielding layer to the null lines and the ground wires through vacuum calendaring; and (2) providing two connectors, and welding the two ends of the high-frequency high-speed data transmission cable to the two connectors respectively. The method comprises fewer steps, and is simple; and the manufactured product has high anti-interference performance and a simple structure, and is applied to Mini serial attached small computer system interfaces (SAS).
Description
Technical field
The present invention relates to a kind of connector manufacturing method, relate in particular to a kind of high-frequency high-speed data connector manufacture method.
Background technology
Mini SAS is used for the sata standard interface of hard disk, can be referred to as mini SAS hard disk connector, be mainly used in SATA(serial advanced technology attachment, the serial ATA standard interface) and SAS(serial attached Small Computer System Interface, serial SCSI standard interface).
With reference to figure 1 and Fig. 2, traditional mini SAS hard disk connector 100 comprises data line 110, the insulation crust 140 that is connected to the circuit board 130 at data line 110 two ends and described circuit board 130 is installed, described data line 110 has two and coated outside that insulation braid 120 is arranged, described data line 110 is formed by some wire parallel arranged, described wire comprises four holding wires 111,112,113,114 and zero lines 115, described holding wire 111,112,113,114 include the insulating barrier 102 of four conductors that are arranged in a row 101 and described four conductors of coating, described holding wire 111,112,113, four conductors of 114 are respectively two earthing conductors that are arranged in two middle signal conductors and are arranged in both sides, described insulating barrier 102 outsides are coated with sub-shield 116, described sub-shield 116 is coated with wheat and draws layer 117, described zero line 115 comprises four conductors that are arranged in a row 101 and coats the insulating barrier 102 of described four conductors, described holding wire 111,112,113,114 are symmetrically distributed in described zero line 115 both sides, and the conductor row in the described wire is in a row; With reference to figure 3, traditional circuit board 130 1 ends are formed with and the conveying terminal 132 that is electrically connected with the connector of outside, the other end is formed with the splicing ear 131 that is electrically connected with described data line 110, described splicing ear 131 is totally 36 up and down both sides that are evenly distributed on circuit board 130, every side has 18 splicing ears, and 18 splicing ears are electrically connected with 20 conductors of a single data transmission line 110 respectively.When making above-mentioned mini SAS hard disk connector 100, make first corresponding wire in the data line 110, and above-mentioned wire is carried out winding displacement composition data line 110; Weld (with reference to figure 3) with sequencing 20 conductors of line and 18 splicing ears of circuit board 130 upper sides in the single data transmission line 110; Weld sequencing 20 conductors of line and 18 splicing ears 131 of circuit board 130 downsides in another data line 110 again; Use some wire harness to tie up two data lines 110, again at two data lines, the 110 outer claddings insulation braid 120 of tying up, and the interface pressing of the braid 120 that will insulate; Form connector at circuit board 130 outer injection moulding insulation crusts 140 at last, finish the manufacturing of mini SAS hard disk connector 100.
Yet, on the one hand, owing to when receiving 20 solderable conductors in the data line 110 on the splicing ear 131, need carry out winding displacement to the conductor in the data line 110 first, make mistakes easily during operation, and the large efficient of difficulty is low; On the other hand, as shown in Figure 3, because every side of circuit board 130 has 18 splicing ears 131, and have 20 conductors in the data line 110, when splicing ear 131 and conductor are carried out the correspondence welding, two adjacent earthing conductors in holding wire 111,112 adjacent two earthing conductors and the holding wire 112,113 need to be mediated and be welded on the earth terminal 131, so that technique is loaded down with trivial details and error rate is high, not only affect the rate of finished products of mini SAS hard disk connector 100, and reduced the production efficiency of mini SAS hard disk connector 100.
Therefore, need a kind of operation few easy to operate, the high-frequency high-speed data connector manufacture method that the production efficiency high finished product rate is high.
Summary of the invention
It is few easy to operate to the purpose of this invention is to provide a kind of operation, the high-frequency high-speed data connector manufacture method that the production efficiency high finished product rate is high.
For on realizing purpose is arranged, the invention discloses a kind of high-frequency high-speed data connector manufacture method, it may further comprise the steps: (1) makes the high-frequency high-speed data transmission cable; (2) provide two connectors, the two ends of high-frequency high-speed data transmission cable are welded on respectively on the two described connectors; Wherein step (1) specifically may further comprise the steps: (A1) extrusion molding one layer insulating forms holding wire on two conductors that are arranged in a row; (A2) extrusion molding one layer insulating forms zero line on four conductors that are arranged in a row; (A3) provide conductor to form ground wire; (A4) a described zero line is arranged in the central authorities of described high-frequency high-speed data transmission cable, four described holding wires are the symmetrical described zero line both sides that are arranged in, two ground wires are the symmetrical outermost that is arranged in described high-frequency high-speed data transmission cable, and the conductor row of described holding wire, zero line and ground wire is in a row; (A5) metal level is coated on the total screen of formation on described holding wire, zero line and the ground wire; (A6) roll so that described total screen and described holding wire, zero line and ground wire fit by vacuum.
The preferably, step (2) specifically may further comprise the steps: two circuit boards (B1) are provided, with the conductor at described high-frequency high-speed data transmission cable two ends respectively with two welding circuit boards; (B2) outside two described circuit boards respectively the injection moulding insulation crust form two connectors.Insulation crust is directly injection-moulded on the circuit board, so that the stabilized structure of connector is easy to connect.
Particularly, one end of described circuit board is formed with some conveying terminals that link to each other with external interface, the other end is formed with the splicing ear of the conductor welding of some and described high-frequency high-speed data transmission cable, some described splicing ears are evenly distributed on upper side and the downside of described circuit board, two described high-frequency high-speed data transmission cables respectively with the welding of the splicing ear of upper side and downside.
Preferably, before the two ends with the high-frequency high-speed data transmission cable are welded on respectively two described connectors, further comprising the steps of: (C1) the described high-frequency high-speed data transmission cable of cutting makes it reach predetermined length; C2) divest total screen at described high-frequency high-speed data transmission cable two ends; (C3) thawing has divested the insulating barrier at the high-frequency high-speed data transmission cable two ends of total screen.Because the total screen of employing of the high-frequency high-speed data transmission cable that the present invention makes as screen, therefore can adopt peeling machine to divest screen is disposable, and is convenient to operation.
Preferably, step (1) also comprises step (A7), insulation film is coated on described total screen forms insulating thin layer outward, and roll so that described insulating thin layer and described total screen fit by vacuum.
Preferably, described total screen is aluminium foil layer, and described insulating thin layer is laminated polyester film.
Compared with prior art, the present invention has removed the earthing conductor in the holding wire, adopts conductor as ground wire, and fits by total screen and ground wire.On the one hand, so that be electrically connected between ground wire and the total screen, and holding wire and zero line wrapped up by the total screen that is electrically connected with ground wire, thereby prevent the interference of outer bound pair holding wire and the interference between the holding wire, and shield effectiveness is good; On the other hand, reduced conductor total number in the high-frequency high-speed data transmission cable by the earthing conductor that removes in the holding wire, solved owing to earthing conductor adjacent in the cable must be mediated the problem of welding in traditional mini SAS hard disk connector less than the conductor number of cable owing to the link subnumber of circuit board, not only simplified the structure of high-frequency high-speed data transmission cable, so that the present invention is simple in structure, rationally distributed, and reduced manufacturing process and the technology difficulty of high-frequency high-speed data connector, improve production efficiency of the present invention and rate of finished products; Again on the one hand, because making the high-frequency high-speed data transmission cable, the present invention is banded, when welding with connector, the operations such as the bound harness in the traditional handicraft, wrap insulate braid and interface pressing have been reduced, direct wielding neck, manufacturing process is few, and production efficiency is high.To sum up, production process of the present invention is few, and technique is simple, and the production efficiency high finished product rate is high, and the anti-tampering property of the high-frequency high-speed data connector of making is good, is applicable to multiple occasion, and simple in structure rationally distributed.
Description of drawings
Fig. 1 is the structural representation of traditional mini SAS hard disk connector.
Fig. 2 is the cutaway view that Fig. 1 cuts open along the A-A line.
Fig. 3 is the welding schematic diagram of data line and circuit board in traditional mini SAS hard disk connector.
Fig. 4 is the structural representation of the high-frequency high-speed data connector that produces of high-frequency high-speed data connector manufacture method of the present invention.
Fig. 5 is the flow chart of high-frequency high-speed data transmission cable manufacture method of the present invention.
Fig. 5 a-Fig. 5 c carries out pretreated schematic diagram to the high-frequency high-speed data transmission cable before the high-frequency high-speed data transmission cable of the present invention welding.
Fig. 6 is the sectional view of the high-frequency high-speed data transmission cable that produces of high-frequency high-speed data connector manufacture method of the present invention.
Fig. 7 is the welding schematic diagram of high-frequency high-speed data transmission cable of the present invention and circuit board.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, below in conjunction with execution mode and cooperate that accompanying drawing is detailed to give explanation.
With reference to figure 4-Fig. 7, high-frequency high-speed data connector manufacture method of the present invention may further comprise the steps: (S1) make high-frequency high-speed data transmission cable 33; (S2) provide two connectors, the two ends of high-frequency high-speed data transmission cable 31 are welded on respectively on the two described connectors, make high-frequency high-speed data connector 100.
With reference to figure 5, step (S1) specifically may further comprise the steps: (A1) extrusion molding one layer insulating forms holding wire on conductor, particularly, extrusion molding one layer insulating forms holding wire on four conductors that are arranged in a row, described holding wire is four, and four described holding wires are the symmetrical zero line both sides that are arranged in; (A2) extrusion molding one layer insulating forms zero line on conductor, and particularly, extrusion molding one layer insulating forms zero line on four conductors that are arranged in a row, and described zero line is one and is arranged in the central authorities of described high-frequency high-speed data transmission cable; (A3) provide conductor to form ground wire, particularly, described ground wire is two, two described ground wires are the symmetrical outermost both sides that are arranged in described high-frequency high-speed data transmission cable, wherein in the step (A1)-(A3), described conductor is aluminium material, and described insulating barrier is soluble poly tetrafluoroethene material; (A4) described holding wire, zero line and ground wire are carried out winding displacement and make the conductor row of described holding wire, zero line and ground wire in a row; (A5) metal level is coated on the total screen of formation on described holding wire, zero line and the ground wire, wherein said total screen is aluminium foil layer; (A6) roll so that described total screen and described holding wire, zero line and ground wire fit by vacuum, thereby make high-frequency high-speed data transmission cable 33.The preferably comprises that also step (A7) is coated on described total screen with insulation film and forms insulating thin layer outward, and rolls so that described insulating thin layer and described total screen fit by vacuum, and wherein said insulating thin layer is laminated polyester film.
Continuation is with reference to figure 5, and step (S2) specifically may further comprise the steps: two circuit boards (B1) are provided, with the conductor at described high-frequency high-speed data transmission cable two ends respectively with two welding circuit boards; (B2) outside two described circuit boards respectively the injection moulding insulation crust form two connectors.
With reference to figure 4-Fig. 7, describe the concrete structure of the high-frequency high-speed data connector 300 that high-frequency high-speed data connector manufacture method of the present invention produces: described high-frequency high-speed data connector 300 comprises high-frequency high-speed data transmission cable 33 and is connected to the connector at described high-frequency high-speed data transmission cable 33 two ends, described connector comprises circuit board 31 and the insulation crust 32 of described circuit board 31 is installed, during use, only the connector at high-frequency high-speed data transmission cable 33 two ends need be inserted respectively corresponding external apparatus interface and get final product.
With reference to figure 6, described high-frequency high-speed data transmission cable 33 comprises ground wire 23, holding wire 21, zero line 22 and total screen 24, described holding wire 21 comprises conductor 201 and coats the insulating barrier 202 of described conductor, described zero line 22 comprises conductor 201 and coats the insulating barrier 202 of described conductor 201, described ground wire 23 is made of conductor 201, described holding wire 21, zero line 22 and ground wire 23 are arranged in a row, and described holding wire 21, the conductor 201 of zero line 22 and ground wire 23 is arranged in a row, described total screen 24 coats described holding wire 21, zero line 22 and ground wire 23 and with holding wire 21, zero line 22 and ground wire 23 fit, and described total screen 24 is coated with insulating thin layer 25.Wherein, described holding wire 21 is four, be respectively holding wire 211,212,213,214, whenever the conductor 201 with holding wire 21 is two, four holding wires 211,212,213,214 symmetric arrays are in described zero line 22 both sides, holding wire 211,212 is arranged side by side in zero line 22 left sides like this, and holding wire 213,214 is arranged side by side in zero line 22 right sides.Described zero line 22 is one, and the conductor 201 of described zero line 22 is four, and described zero line 22 is arranged in the central authorities of described high-frequency high-speed data transmission cable 33.Described ground wire 23 is two, and two ground wires 23 are symmetric arrays in the outermost both sides of described high-frequency high-speed data transmission cable 33, and holding wire 21 has been played better shielding action, prevent the interference of outer bound pair holding wire 21 and the interference between the holding wire 21.
With reference to figure 7, the some conveying terminals 312 that link to each other with external interface that are formed with of one end of described circuit board 31, the splicing ear 311 that other end conductor some and high-frequency high-speed data transmission cable 33 welds, some described splicing ears 311 are evenly distributed on the up and down both sides of described circuit board 31, described high-frequency high-speed data transmission cable 33 has two and parallel arranged, the conductor 201 of two described high-frequency high-speed data transmission cables 33 and the up and down splicing ear 311 corresponding connections of both sides.Particularly, circuit board 31 every sides have 18 splicing ears 311,18 splicing ears 311 are divided into four zero terminals that link to each other with the conductor 201 of zero line 22,2, four data terminal that link to each other with the conductor 201 of holding wire 21 of two earth terminals that link to each other with the conductor 201 of ground wire 23 and four dead end, when high-frequency high-speed data transmission cable 100 is welded with circuit board 31, first that 14 conductors 201 in the high-frequency high-speed data transmission cable 100 are relative with corresponding splicing ear 311 positions, re-use the welding equipment welding.
With reference to figure 5a-Fig. 5 c, with high-frequency high-speed data transmission cable 33 14 conductors 201 be welded on splicing ear 311 before, need high-frequency high-speed data transmission cable 33 is carried out preliminary treatment, specifically may further comprise the steps: cut described high-frequency high-speed data transmission cable 33 and make it reach predetermined length (with reference to figure 5a); Divest total screen 24 at described high-frequency high-speed data transmission cable 33 two ends, so that the holding wire 211,212,213 and 214 at described high-frequency high-speed data transmission cable 33 two ends, zero line 22 and ground wire 23 exposed (with reference to figure 5b); Melt the insulating barrier 202 at high-frequency high-speed data transmission cable 33 two ends that divested total screen 24, so that the conductor 201 at described high-frequency high-speed data transmission cable 33 two ends is exposed.Wherein, use cutting machine to cut described high-frequency high-speed data transmission cable 33, use disposable total screen 24, the use laser thawing insulating barrier 202 peeled off of peeling machine.
Compared with prior art, because the high-frequency high-speed data transmission cable 33 of manufacturing of the present invention has been removed the earthing conductor in the classical signal line, and adopt conductor 201 as ground wire 23, and fit 3 by total screen 24 and ground wire 23, so that be electrically connected between ground wire 23 and the total screen 24, and holding wire 21 wraps up by the total screen that links to each other with ground wire 23 with zero line 22, prevents the interference of outer bound pair holding wire 21 and the interference between the holding wire 21, and shield effectiveness is good; On the other hand, the present invention has reduced conductor 201 total numbers in the cable by the earthing conductor of having removed in the holding wire 21, solved owing to earthing conductor adjacent in the cable must be mediated the problem of welding among traditional Mini SAS less than the conductor number of cable owing to the link subnumber of circuit board, so that the present invention is when being welded on high-frequency high-speed data transmission cable 33 on the connector, the operations such as traditional bound harness, wrap insulate braid and interface pressing have been reduced, manufacturing process is few, and production efficiency is high.
Material and parameter that high-frequency high-speed data connector manufacture method of the present invention is related are all decided according to actual conditions, for well known to those of ordinary skill in the art, no longer are described in detail at this.
Above disclosed only is the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (7)
1. a high-frequency high-speed data connector manufacture method may further comprise the steps: (1) manufacturing high-frequency high-speed data transmission cable; (2) provide two connectors, the two ends of high-frequency high-speed data transmission cable are welded on respectively on the two described connectors; It is characterized in that step (1) specifically may further comprise the steps:
(A1) extrusion molding one layer insulating forms holding wire on two conductors that are arranged in a row;
(A2) extrusion molding one layer insulating forms zero line on four conductors that are arranged in a row;
(A3) provide conductor to form ground wire;
(A4) a described zero line is arranged in the central authorities of described high-frequency high-speed data transmission cable, four described holding wires are the symmetrical described zero line both sides that are arranged in, two ground wires are the symmetrical outermost that is arranged in described high-frequency high-speed data transmission cable, and the conductor row of described holding wire, zero line and ground wire is in a row;
(A5) metal level is coated on the total screen of formation on described holding wire, zero line and the ground wire;
(A6) roll so that described total screen and described holding wire, zero line and ground wire fit by vacuum.
2. high-frequency high-speed data connector manufacture method as claimed in claim 1 is characterized in that, step (2) specifically may further comprise the steps:
(B1) provide two circuit boards, with the conductor at described high-frequency high-speed data transmission cable two ends respectively with two welding circuit boards;
(B2) outside two described circuit boards respectively the injection moulding insulation crust form two connectors.
3. high-frequency high-speed data connector manufacture method as claimed in claim 2, it is characterized in that, one end of described circuit board is formed with some conveying terminals that link to each other with external interface, the other end is formed with the splicing ear that conductor some and the high-frequency high-speed data transmission cable welds, some described splicing ears are evenly distributed on upper side and the downside of described circuit board, two described high-frequency high-speed data transmission cables respectively with the splicing ear welding of upper side and downside.
4. high-frequency high-speed data connector manufacture method as claimed in claim 1 is characterized in that, and is before the two ends with the high-frequency high-speed data transmission cable are welded on respectively two described connectors, further comprising the steps of:
(C1) the described high-frequency high-speed data transmission cable of cutting makes it reach predetermined length;
(C2) divest total screen at described high-frequency high-speed data transmission cable two ends;
(C3) thawing has divested the insulating barrier at the high-frequency high-speed data transmission cable two ends of total screen.
5. high-frequency high-speed data connector manufacture method as claimed in claim 1, it is characterized in that, step (1) also comprises step (A7): insulation film is coated on described total screen forms insulating thin layer outward, and roll so that described insulating thin layer and described total screen fit by vacuum.
6. high-frequency high-speed data connector manufacture method as claimed in claim 5 is characterized in that, described insulating thin layer is laminated polyester film.
7. high-frequency high-speed data connector manufacture method as claimed in claim 1 is characterized in that, described total screen is aluminium foil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110177558 CN102306892B (en) | 2011-06-28 | 2011-06-28 | Manufacturing method for high-frequency high-speed data connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110177558 CN102306892B (en) | 2011-06-28 | 2011-06-28 | Manufacturing method for high-frequency high-speed data connector |
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| Publication Number | Publication Date |
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| CN102306892A CN102306892A (en) | 2012-01-04 |
| CN102306892B true CN102306892B (en) | 2013-10-30 |
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| CN 201110177558 Active CN102306892B (en) | 2011-06-28 | 2011-06-28 | Manufacturing method for high-frequency high-speed data connector |
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| CN103700448B (en) * | 2013-12-25 | 2016-05-25 | 镇江市华银仪表电器有限公司 | A kind of preparation method of telescopic power line |
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| US4308421A (en) * | 1978-01-18 | 1981-12-29 | Virginia Plastics Company | EMF Controlled multi-conductor cable |
| JP2001351443A (en) * | 2000-06-07 | 2001-12-21 | Nec Corp | Flat cable with shield |
| US8946558B2 (en) * | 2009-06-19 | 2015-02-03 | 3M Innovative Properties Company | Shielded electrical cable |
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