CN210928151U - PCB with lead wire design is torn to hand - Google Patents
PCB with lead wire design is torn to hand Download PDFInfo
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- CN210928151U CN210928151U CN201921327642.7U CN201921327642U CN210928151U CN 210928151 U CN210928151 U CN 210928151U CN 201921327642 U CN201921327642 U CN 201921327642U CN 210928151 U CN210928151 U CN 210928151U
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Abstract
The utility model discloses a PCB with hand tears lead wire design, including the PCB board, set up a plurality of golden fingers on the PCB board, the lead wire that links to each other with the golden finger, the lead wire includes outer lead wire and the interior lead wire of drawing forth from outer lead wire, and PCB board both sides are provided with the technology limit, and the technology limit is provided with electrically conductive part, is provided with outer pin connection and has connecting portion, is connected through the wire of burying underground at PCB inboard between conductive part and the connecting portion, and interior lead wire links to each other with the golden finger, and interior lead wire sets up to the trapezoidal that diminishes towards being close golden finger direction. The inner lead is towards being close golden finger direction from big diminish, makes and to carry out the hand to the lead wire and tear quick, simply to accomplish when getting rid of, does not produce when getting rid of and drapes over one's shoulders the cutting edge of a knife or a sword. The outer lead is connected with connecting portion, and the technology limit is provided with the conductive part, and the conductive part is connected through burying the wire in PCB inboard with connecting portion underground, reduces the lead wire between golden finger and the technology limit, makes the technology limit not have the wire that links to each other with the golden finger, avoids the golden finger lead wire to remain, improves the product quality.
Description
Technical Field
The utility model belongs to the technical field of the printed circuit board production technique and specifically relates to a PCB with design of lead wire is torn to hand.
Background
The golden finger is electronic product hardware, such as a contact end conductive contact plate for signal transmission between a memory bank and a memory slot, between a display card and a display card slot and the like, and consists of a plurality of golden conductive contact plates. The golden finger on the PCB actually comprises a golden finger body and a golden finger lead. When the PCB is designed, all the gold finger leads are required to be connected to the electroplating edges through the gold finger leads, so that the gold is plated when power is supplied. The gold finger leads need to be removed in a subsequent production process. The existing method for removing the golden finger is mainly an etching lead method, the flow required by the etching lead method for removing the golden finger is complicated, and the golden finger has the risk of being corroded. There is also a method of removing the gold finger manually, but this method has a risk of forming burrs and gold finger lead residues.
SUMMERY OF THE UTILITY MODEL
In order to solve one of the above technical problems, the utility model provides a hand tears lead wire does not form to drape over one's shoulders cutting edge of a knife or a sword, does not cause remaining PCB that has the design of hand tearing lead wire of gold finger lead wire.
The utility model discloses a realize above-mentioned purpose, the technical scheme who adopts is:
the utility model provides a PCB with design of lead wire is torn to hand, including the PCB board, set up a plurality of golden fingers on the PCB board, with the lead wire that the golden finger links to each other, the lead wire includes outer lead wire and follows the interior lead wire that outer lead wire was drawn forth, PCB board both sides are provided with the technology limit, the technology limit is provided with electrically conductive part, is provided with outer pin connection has connecting portion, the conductive part with connect through the wire of burying underground at PCB inboard portion between the connecting portion, interior lead wire with the golden finger links to each other, interior lead wire sets up to the trapezoidal that diminishes towards being close golden finger direction.
Furthermore, the width of the outer lead is more than or equal to 35 mils, and the width of the outer lead is less than or equal to 50 mils.
Further, the width of the long side of the trapezoid connected with the outer lead is greater than or equal to 30 mils, and the width of the short side of the trapezoid connected with the golden finger is greater than or equal to 4 mils.
Further, the conductive part and the connecting part are arranged to be copper-sinking holes.
Further, the leads are uniformly arranged on one side of the golden finger.
Has the advantages that: the utility model discloses PCB with design of lead wire is torn to hand, including PCB board, a plurality of golden fingers of setting on the PCB board, with the lead wire that the golden finger links to each other, the lead wire includes outer lead wire and follows the interior lead wire that outer lead wire was drawn forth, PCB board both sides are provided with the technology limit, the technology limit is provided with electrically conductive part, is provided with outer pin connection has connecting portion, the conductive part with connect through the wire of burying underground at PCB inboard portion between the connecting portion, interior lead wire with the golden finger links to each other, interior lead wire sets up to the trapezoidal that diminishes towards being close golden finger direction. The inner lead diminishes from big towards being close golden finger direction, and the inner lead is less with golden finger junction width, makes to carry out the hand to the lead wire and tear and can accomplish fast, simply when getting rid of, does not produce when getting rid of and drape over one's shoulders the cutting edge of a knife or a sword. The outer lead is connected with connecting portion, and the technology limit is provided with the conductive part, and the conductive part is connected through burying the wire in PCB inboard with connecting portion underground, reduces the lead wire between golden finger and the technology limit, makes the technology limit not have the wire that links to each other with the golden finger, avoids the golden finger lead wire to remain, improves the product quality.
Drawings
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of the PCB with a hand-tearing lead design according to the present invention.
Detailed Description
In the description of the present invention, it should be understood that a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. The terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiments.
Referring to fig. 1, an embodiment of the present invention provides a PCB with a hand tearing lead design, including a PCB board 100, a plurality of golden fingers 200 disposed on the PCB board 100, and a lead connected to the golden fingers 200, the lead includes an outer lead 310 and an inner lead 320 drawn from the outer lead 310, the two sides of the PCB board 100 are provided with a technical edge 110, the technical edge 110 is provided with a conductive portion 111, the outer lead 310 is connected to a connecting portion 311, the conductive portion 111 is connected to the connecting portion 311 through a wire buried in the PCB board 100, the inner lead 320 is connected to the golden fingers 200, and the inner lead 320 is set to a trapezoid that is smaller toward the direction close to the golden fingers 200. The inner lead 320 is smaller from the big towards the direction close to the golden finger 200, the width of the joint of the inner lead 320 and the golden finger 200 is smaller, so that the lead can be quickly and simply torn off by hand, and flash is not generated when the lead is torn off. The outer lead 310 is connected with a connecting portion 311, the process edge 110 is provided with a conductive portion 111, the conductive portion 111 is connected with the connecting portion 311 through a wire embedded in the PCB 100, so that leads between the golden finger 200 and the process edge 110 are reduced, the process edge 110 does not have a wire connected with the golden finger 200, the lead of the golden finger 200 is prevented from being left, and the product quality is improved.
In this embodiment, the width of the outer lead 310 is equal to or greater than 35 mils, and the width of the outer lead 310 is equal to or less than 50 mils. In this embodiment, the width of the long side of the trapezoid connected to the outer lead 310 is greater than or equal to 30 mils, and the width of the short side of the trapezoid connected to the gold finger 200 is greater than or equal to 4 mils. Since the lead of the gold finger 200 in this embodiment needs to be removed in the following process, the lengths or widths of the outer lead 310 and the inner lead 320 are limited, so that the lead of the gold finger 200 can be removed by tearing with a hand on the premise that the lead of the gold finger 200 works normally, burrs and lead residues are avoided, and meanwhile, the material and the cost can be saved.
Further, the conductive portion 111 and the connection portion 311 are disposed as a copper via. The copper deposition hole is simple to process, a conducting wire is arranged between the conducting portion 111 and the connecting portion 311, the conducting wire is connected with the copper deposition hole and embedded in the PCB 100, the lead residue of the golden finger 200 can be reduced, and the product quality is improved.
Further, the leads are uniformly arranged on one side of the gold finger 200. The leads are uniformly arranged on one side of the golden finger 200, so that the product can be inspected after the leads are manually removed, and whether the leads are left or not can be determined.
The above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, as long as it reaches with the same means, the technical effects of the present invention all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a PCB with lead wire design is torn to hand which characterized in that: including the PCB board, set up a plurality of golden fingers on the PCB board, with the lead wire that the golden finger links to each other, the lead wire includes outer lead wire and follow the interior lead wire that outer lead wire was drawn forth, PCB board both sides are provided with the technology limit, the technology limit is provided with electrically conductive portion, is provided with outer pin connection has connecting portion, the conductive portion with connect through the wire of burying underground at PCB inboard between the connecting portion, interior lead wire with the golden finger links to each other, interior lead wire sets up to the trapezoidal that diminishes towards being close golden finger direction.
2. A PCB with hand-tear lead design according to claim 1, wherein: the width of outer lead wire is more than or equal to 35mil, the width of outer lead wire is less than or equal to 50 mil.
3. A PCB with hand-tear lead design according to claim 1, wherein: trapezoidal with the width on the long limit that outer lead wire links to each other is more than or equal to 30 mils, trapezoidal with the width of the minor face that golden finger links to each other is more than or equal to 4 mils.
4. A PCB with hand-tear lead design according to claim 1, wherein: the conductive part and the connecting part are arranged to be copper-sinking holes.
5. A PCB with hand-tear lead design according to claim 1, wherein: the lead wires are uniformly arranged on one side of the golden finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327642.7U CN210928151U (en) | 2019-08-15 | 2019-08-15 | PCB with lead wire design is torn to hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327642.7U CN210928151U (en) | 2019-08-15 | 2019-08-15 | PCB with lead wire design is torn to hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210928151U true CN210928151U (en) | 2020-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921327642.7U Active CN210928151U (en) | 2019-08-15 | 2019-08-15 | PCB with lead wire design is torn to hand |
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| Country | Link |
|---|---|
| CN (1) | CN210928151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260145A (en) * | 2021-04-16 | 2021-08-13 | 珠海杰赛科技有限公司 | PCB (printed circuit board) gold-plated lead structure, printed circuit board and manufacturing method |
| CN113411959A (en) * | 2021-05-31 | 2021-09-17 | 深圳市景旺电子股份有限公司 | Golden finger lead structure, circuit board with same and circuit board manufacturing method |
| CN114423142A (en) * | 2021-12-13 | 2022-04-29 | 湖南省方正达电子科技有限公司 | Three-dimensional assembled ceramic circuit board and preparation method thereof |
-
2019
- 2019-08-15 CN CN201921327642.7U patent/CN210928151U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260145A (en) * | 2021-04-16 | 2021-08-13 | 珠海杰赛科技有限公司 | PCB (printed circuit board) gold-plated lead structure, printed circuit board and manufacturing method |
| CN113260145B (en) * | 2021-04-16 | 2022-08-12 | 珠海杰赛科技有限公司 | PCB (printed circuit board) gold-plated lead structure, printed circuit board and manufacturing method |
| CN113411959A (en) * | 2021-05-31 | 2021-09-17 | 深圳市景旺电子股份有限公司 | Golden finger lead structure, circuit board with same and circuit board manufacturing method |
| CN114423142A (en) * | 2021-12-13 | 2022-04-29 | 湖南省方正达电子科技有限公司 | Three-dimensional assembled ceramic circuit board and preparation method thereof |
| CN114423142B (en) * | 2021-12-13 | 2023-12-12 | 湖南省方正达电子科技有限公司 | Three-dimensional assembled ceramic circuit board and preparation method thereof |
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