CN201957339U - Electric golden finger board added with lead teardrop - Google Patents
Electric golden finger board added with lead teardrop Download PDFInfo
- Publication number
- CN201957339U CN201957339U CN2011200775609U CN201120077560U CN201957339U CN 201957339 U CN201957339 U CN 201957339U CN 2011200775609 U CN2011200775609 U CN 2011200775609U CN 201120077560 U CN201120077560 U CN 201120077560U CN 201957339 U CN201957339 U CN 201957339U
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- China
- Prior art keywords
- lead
- golden finger
- wire
- tear
- teardrop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric golden finger board added with a lead teardrop, which comprises a lead (100), a lead teardrop (200) and a golden finger (300), wherein the lead teardrop (200) is trapezoidal, the lead (100) is welded at the upper bottom of the trapezoid, the golden finger (300) is welded at the lower bottom, the length of the lower bottom of the lead teardrop (200) is one fourth to three fourth of the width of the golden finger, and the ratio of the upper bottom length to the lower bottom length to the height of the lead teardrop (200) is 3:4:8. Since the trapezoidal lead teardrop is added at a position adjacent to the golden finger, the lead is firm and the situation that the lead is thrown off when the edges of the lead are beveled is avoided.
Description
Technical field
The utility model relates to a kind of electric gold finger plate, particularly relates to a kind of electric gold finger plate that adds the lead-in wire tear.
Background technology
Golden finger is often referred to and is formed at the link that is used to connect slot on the circuit board, all signals all transmit by golden finger, therefore golden finger is very important for the performance of circuit board, for instance, for the internal storage location in the PC, all data flow of internal memory processing unit, electron stream exchange with contacting with the PC system of memory bank by golden finger just, be the I/O mouth of internal memory, so its manufacture craft connect for internal memory and seem quite important.Golden finger is made up of numerous flavous conductive contact blades, and because of its surface gold-plating and conductive contact blade are arranged as finger-shaped, so be called " golden finger ", because golden non-oxidizability is extremely strong, and conductibility is also very strong.
Golden finger is actually in copper-clad plate and is covered with one deck gold again by plating or chemical plating process, and chemical plating is to form golden finger by deposition of gold on the nickelous sulfate surface by chemical reaction behind deposition nickelous sulfate on the copper face; Plating is to power at copper face finally to form golden finger with the mode of electroplating in nickel table plated with gold again after plating nickel sulfamic acid.Because the nickelous sulfate in the golden finger that generates in the chemical plating process is harder, golden finger ruptures easily in the effect that assembling the time is subjected to external force, cause the product functionality defective, therefore at present under the situation of having relatively high expectations for properties of product, often adopt electroplating process production plug-in type golden finger, the nickel sulfamic acid in its golden finger can rupture because of the effect that assembling the time is subjected to external force hardly.
In the process of the concrete use golden finger of reality, generally be directly the golden finger lead-in wire directly to be connected the probability of fishing line when the lead-in wire that might increase is by hypotenuse like this with golden finger.
The utility model content
At the problems referred to above, main purpose of the present utility model has been to provide a kind of electric gold finger plate that adds the lead-in wire tear.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of electric gold finger plate that adds the lead-in wire tear, described electric gold finger plate comprises lead-in wire, lead-in wire tear and golden finger, described lead-in wire tear is trapezoidal, what this trapezoidal upper base welded is lead-in wire, the golden finger that is of going to the bottom and welding.
In specific embodiment of the utility model, the length of going to the bottom of described lead-in wire tear is 1/4～3/4 of golden finger width.
In one of them specific embodiment of the present utility model, the length of going to the bottom of described lead-in wire tear is 1/2 of golden finger width.
In specific embodiment of the utility model, the upper base length of described lead-in wire tear: the length of going to the bottom: the ratio of height is: 3: 4: 8.
In one of them specific embodiment of the present utility model, the upper base length of described lead-in wire tear, the length of going to the bottom and highly be respectively: 3mm, 4mm, 8mm.
Positive progressive effect of the present utility model is: the interpolation that the utility model provides the electric gold finger plate of lead-in wire tear have the following advantages: the utility model is adding trapezoidal lead-in wire tear near the golden finger place, thereby make lead-in wire firmly, avoid the phenomenon of fishing line when hypotenuse.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Fig. 1 is a structural representation of the present utility model, as shown in Figure 1, electric gold finger plate of the present utility model comprises lead-in wire 100, lead-in wire tear 200 and golden finger 300, and lead-in wire tear 200 is trapezoidal, the welding of this trapezoidal upper base be lead-in wire 100, the welding of going to the bottom be golden finger 300.
In specific embodiment of the utility model, lead-in wire tear 200 also can be other shape.
Be lead-in wire tear 200 below when trapezoidal, the parameter designing of specific embodiment: the length of going to the bottom of lead-in wire tear 200 is 1/4～3/4 of golden finger width, and particularly, the length of going to the bottom of lead-in wire tear 200 can be 1/2 of golden finger width.The upper base length of lead-in wire tear 200: the length of going to the bottom: the ratio of height is: 3: 4: 8.Particularly, the lead-in wire tear 200 upper base length, the length of going to the bottom and highly can be respectively: 3mm, 4mm, 8mm.
In specific embodiment of the utility model, above-mentioned parameter also can be according to client's Demand Design.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. electric gold finger plate that has added the lead-in wire tear, it is characterized in that: described electric gold finger plate comprises lead-in wire (100), lead-in wire tear (200) and golden finger (300), described lead-in wire tear (200) is trapezoidal, the welding of this trapezoidal upper base be lead-in wire (100), the welding of going to the bottom be golden finger (300).
2. the electric gold finger plate that adds the lead-in wire tear according to claim 1, it is characterized in that: the length of going to the bottom of described lead-in wire tear (200) is 1/4～3/4 of golden finger width.
3. the tear electricity gold finger plate that has added lead-in wire according to claim 2, it is characterized in that: the length of going to the bottom of described lead-in wire tear (200) is 1/2 of golden finger width.
4. the tear electricity gold finger plate that has added lead-in wire according to claim 1, it is characterized in that: the upper base length of described lead-in wire tear (200): the length of going to the bottom: the ratio of height is: 3: 4: 8.
5. the tear electricity gold finger plate that has added lead-in wire according to claim 4 is characterized in that: the upper base length of described lead-in wire tear (200), the length of going to the bottom and highly be respectively: 3mm, 4mm, 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200775609U CN201957339U (en) | 2011-03-22 | 2011-03-22 | Electric golden finger board added with lead teardrop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200775609U CN201957339U (en) | 2011-03-22 | 2011-03-22 | Electric golden finger board added with lead teardrop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201957339U true CN201957339U (en) | 2011-08-31 |
Family
ID=44501440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200775609U Expired - Fee Related CN201957339U (en) | 2011-03-22 | 2011-03-22 | Electric golden finger board added with lead teardrop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201957339U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510676A (en) * | 2011-10-20 | 2012-06-20 | 东莞生益电子有限公司 | Method for adding teardrop in printed circuit board (PCB) during computer aided manufacturing (CAM) |
| CN107484354A (en) * | 2017-08-15 | 2017-12-15 | 胜宏科技（惠州）股份有限公司 | A kind of method for manufacturing gold finger of no lead residual |
| WO2020151304A1 (en) * | 2019-01-23 | 2020-07-30 | 华为技术有限公司 | Printed circuit board, power supply, and power supply system |
-
2011
- 2011-03-22 CN CN2011200775609U patent/CN201957339U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510676A (en) * | 2011-10-20 | 2012-06-20 | 东莞生益电子有限公司 | Method for adding teardrop in printed circuit board (PCB) during computer aided manufacturing (CAM) |
| CN102510676B (en) * | 2011-10-20 | 2013-11-27 | 东莞生益电子有限公司 | Method for adding teardrop in printed circuit board (PCB) during computer aided manufacturing (CAM) |
| CN107484354A (en) * | 2017-08-15 | 2017-12-15 | 胜宏科技（惠州）股份有限公司 | A kind of method for manufacturing gold finger of no lead residual |
| WO2020151304A1 (en) * | 2019-01-23 | 2020-07-30 | 华为技术有限公司 | Printed circuit board, power supply, and power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20140322 |