CN1298202C - Electrostatic discharge protecting conductor - Google Patents
Electrostatic discharge protecting conductor Download PDFInfo
- Publication number
- CN1298202C CN1298202C CNB2003101012436A CN200310101243A CN1298202C CN 1298202 C CN1298202 C CN 1298202C CN B2003101012436 A CNB2003101012436 A CN B2003101012436A CN 200310101243 A CN200310101243 A CN 200310101243A CN 1298202 C CN1298202 C CN 1298202C
- Authority
- CN
- China
- Prior art keywords
- electrostatic discharge
- discharge protective
- protective conductor
- circuit board
- printed circuit
- Prior art date
- 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 present invention relates to an electrostatic discharge protecting conductor which is configured on a printed circuit board and is electrically connected with a ground connecting line of the printed circuit board. The electrostatic discharge protecting conductor comprises a main body part and at least one convex part, wherein the main body part is provided with a welding bottom surface and a side surface, and the welding bottom surface is welded with the surface of the printed circuit board. The convex part is configured on the side surface of the main body part in the mode of being electrically connected with the main body part. The convex part is provided with an acute angle end of which the bottom surface has a height difference with the welding bottom surface.
Description
Technical field
The invention relates to a kind of static discharge (electrostatic discharge, ESD) protector, and particularly import the external static electrification electric charge and the electrostatic charge that is imported is exported to the electrostatic discharge protective conductor of printed circuit board (PCB) with cutting-edge structure about a kind of.
Background technology
In the epoch now that development in science and technology is maked rapid progress, electronic installation has become a part indispensable in modern's daily life.Especially portable (portable) electronic installation, the characteristic that it is compact and Portability is high more allows the modern be so fond that will not let out of one's hand.Wherein, portable electronic devices for example be notebook (notebook), personal digital assistant (personal digital assistant, PDA) and mobile phone etc.
Generally speaking, electronic installation comprises casing, printed circuit board (PCB) and a plurality of electronic component at least, and printed circuit board (PCB) and electronic component are positioned at casing, and these electronic components are disposed on the printed circuit board (PCB).
When electronic installation was invaded by external static, the electronic component in the electronic installation will produce the phenomenon of buildup of static electricity, causes electronic component will produce electrical fault, and the life-span of electronic component also will shorten many.Thus, influence the reliability of electronic installation.In the face of the volume of electronic installation moves towards the trend that downsizing and function are moved towards diversification, the volume of electronic component also will and then dwindle, and electronic component is more and more responsive for static.Therefore, (electrostatic discharge, the ESD) technology of Fang Hu ability will be very urgent and urgent problems how to develop the static discharge that can strengthen electronic installation.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of static discharge (electrostaticdischarge, ESD) guard conductor, the electrostatic charge of the inside of electronic installation can be imported, and export to other earth lead in the ground path of printed circuit board (PCB) or the electronic installation, with the ability of the electrostatic discharge protective of strengthening electronic installation.
According to purpose of the present invention, a kind of electrostatic discharge protective conductor is proposed, be disposed on the surface of a printed circuit board (PCB), and electrically connect with the ground path of printed circuit board (PCB).The electrostatic discharge protective conductor comprises a body and a protuberance at least.Body has welding bottom surface and a side, the welding bottom surface in order to the surface soldered of printed circuit board (PCB).Protuberance is disposed on the side of body in the mode with the body electric connection, and protuberance has an acute ends, and the bottom surface of acute ends and welding bottom surface are at a distance of a difference in height.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Figure 1 shows that stereogram according to the electrostatic discharge protective conductor of preferred embodiment of the present invention.
Figure 2 shows that the end view of the electrostatic discharge protective conductor of being looked along the x direction of Fig. 1.
Figure 3 shows that along Fig. 1-vertical view of the electrostatic discharge protective conductor that the z direction is looked.
The profile of the state when the electrostatic discharge protective solderable conductor that Figure 4 shows that Fig. 2 is connected on the printed circuit board (PCB) in the electronic installation.
The profile of the state of the electrostatic discharge protective conductor that Figure 5 shows that Fig. 2 when staking punch and punching press platform are finished.
Label declaration
10: the electrostatic discharge protective conductor
12: body
12a: welding bottom surface
12b: first side
12c: second side
14: the first protuberances
14a: first acute ends
16: the second protuberances
16a: second acute ends
40: electronic installation
42: printed circuit board (PCB)
52: staking punch
54: the punching press platform
56: shaping groove
Embodiment
Please be simultaneously with reference to Fig. 1～Fig. 3, Figure 1 shows that static discharge (electrostatic discharge according to preferred embodiment of the present invention, ESD) stereogram of guard conductor, and Figure 2 shows that the end view of the electrostatic discharge protective conductor of being looked along the x direction of Fig. 1, and Figure 3 shows that along Fig. 1-vertical view of the electrostatic discharge protective conductor that the z direction is looked.In the 1st～3 figure, electrostatic discharge protective conductor 10 comprises a body 12 and at least one protuberance, and preferred embodiment of the present invention will be that example explains with first protuberance 14 and second protuberance 16.Body 12 has welding bottom surface 12a, one first a side 12b and one second a side 12c, and welding bottom surface 12a connects the relative first side 12b and the second side 12c.
In preferred embodiment of the present invention, first difference in height can equal second difference in height, is all H, as shown in Figure 2.Wherein, the value of H for example is 0.20 millimeter (mm).In Fig. 2, the distance between the tip of the first acute ends 14a and the second acute ends 16a is A, and its value for example is 2.19 millimeters.The length of the welding bottom surface 12a of body 12 is B, and its value for example is 1.00 millimeters.The thickness of body 12 is C, and its value for example is 0.50 millimeter.In addition, in Fig. 3, the width of the end face of body 12 is D,, equal the width of welding bottom surface 12a of the body 12 of Fig. 1, its value for example is 0.80 millimeter.The tip profile that it should be noted that the first acute ends 14a and the second acute ends 16a can have a curvature, as being 0.10 millimeter formed curved profile with radius.
As shown in Figure 4, (printed circuit board is PCB) on 42 the surface for electrostatic discharge protective conductor 10 configurable printed circuit board (PCB)s in an electronic installation 40 of the present invention.The welding bottom surface 12a of body 10 is with surface soldered (surface mount technology, SMT) Process configuration is on the surface of printed circuit board (PCB) 42, and body 10 electrically connects with the ground path of printed circuit board (PCB) 42 or other earth lead of electronic installation 40.When electronic installation 40 is subjected to the static invasion and attack, the first acute ends 14a and the second acute ends 16a are directed into first protuberance 14 and second protuberance 16 with the external static electrification electric charge of electrostatic discharge protective conductor 10 respectively, and body 12 exports to the ground path of printed circuit board (PCB) 10 or other earth lead of electronic installation 40 with the electrostatic charge in the being directed in electrostatic discharge protective conductor 10, makes electronic installation 40 avoid the injury of static.
It should be noted that the integrated structure that electrostatic discharge protective conductor 10 of the present invention is finished with the punch forming method, as shown in Figure 5.In Fig. 5, the present invention utilizes staking punch 52 and punching press platform 54 to finish electrostatic discharge protective conductor 10.Wherein, staking punch 52 has a shaping groove 56, and its volume shape is just corresponding with the planform of electrostatic discharge protective conductor 10.In stamping forming process, its step is roughly as described below: at first, put material on punching press platform 54.Then, flatten material on the punching press platform 54 with staking punch 52, to finish the preliminary structure of electrostatic discharge protective conductor 10.Then, put a little material again, with the smooth action of the preliminary structure of carrying out electrostatic discharge protective conductor 10.At last, the complete structure of electrostatic discharge protective conductor 10 is accused eventually and is finished.
The insider can understand that technology of the present invention is not confined to this, and for example, the material of electrostatic discharge protective conductor 10 is a metal.In addition, the material of electrostatic discharge protective conductor 10 also can be copper alloy, as phosphor bronze and copper-nickel alloy etc.In addition, electronic installation 40 can be Portable (portable) electronic installation, as notebook (notebook), personal digital assistant (personal digital assistant, PDA) and mobile phone etc.
The electrostatic discharge protective conductor that the above embodiment of the present invention is disclosed, its acute ends by protuberance imports electrostatic discharge protective conductor external static electrification electric charge, and the electrostatic charge that is imported is exported to the ground path of printed circuit board (PCB) or other earth lead in the electronic installation by body, to strengthen the electro-static discharge protective ability of electronic installation.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention; any insider; without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (9)
1. electrostatic discharge protective conductor, it is a metal, and is disposed on the surface of a printed circuit board (PCB), and is electrically connected with the ground path of this printed circuit board (PCB), this electrostatic discharge protective conductor comprises at least:
One body has welding bottom surface and one first side, this welding bottom surface in order to the surface soldered of this printed circuit board (PCB); And
One first protuberance is disposed on this first side in the mode that is electrically connected with this body, and this first protuberance has one first acute ends, and the bottom surface of this first acute ends and this welding bottom surface are at a distance of one first difference in height.
2. electrostatic discharge protective conductor as claimed in claim 1, wherein this body also have one with this first side second side surface opposite, this electrostatic discharge protective conductor also comprises:
One second protuberance is disposed on this second side in the mode that is electrically connected with this body, and this second protuberance has one second acute ends, and the bottom surface of this second acute ends and this welding bottom surface are at a distance of one second difference in height.
3. electrostatic discharge protective conductor as claimed in claim 2, wherein this first difference in height equals this second difference in height.
4. electrostatic discharge protective conductor as claimed in claim 2, wherein the end face copline of this body, this first protuberance and this second protuberance.
5. electrostatic discharge protective conductor as claimed in claim 1, wherein the material of this electrostatic discharge protective conductor is a copper alloy.
6. electrostatic discharge protective conductor as claimed in claim 1, wherein the material of this electrostatic discharge protective conductor is a phosphor bronze.
7. electrostatic discharge protective conductor as claimed in claim 1, wherein the material of this electrostatic discharge protective conductor is a copper-nickel alloy.
8. electrostatic discharge protective conductor as claimed in claim 1, wherein this electrostatic discharge protective conductor is the integrated structure of finishing with the punch forming method.
9. electrostatic discharge protective conductor as claimed in claim 1, wherein this electrostatic discharge protective conductor and] this printed circuit board (PCB) is disposed in the electronic installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101012436A CN1298202C (en) | 2003-10-13 | 2003-10-13 | Electrostatic discharge protecting conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101012436A CN1298202C (en) | 2003-10-13 | 2003-10-13 | Electrostatic discharge protecting conductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1607891A CN1607891A (en) | 2005-04-20 |
| CN1298202C true CN1298202C (en) | 2007-01-31 |
Family
ID=34756156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101012436A Expired - Fee Related CN1298202C (en) | 2003-10-13 | 2003-10-13 | Electrostatic discharge protecting conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1298202C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI446662B (en) * | 2012-11-12 | 2014-07-21 | Wistron Corp | Electronic device and conductive board thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633780A (en) * | 1994-12-21 | 1997-05-27 | Polaroid Corporation | Electrostatic discharge protection device |
| US6172496B1 (en) * | 1995-09-18 | 2001-01-09 | James P. Karins | Static event detection/protection device |
| CN1310578A (en) * | 2000-02-22 | 2001-08-29 | 摩托罗拉公司 | Electrostatic discharge protection device for high-density printed circuit board |
| US20020008952A1 (en) * | 2000-07-10 | 2002-01-24 | Samsung Electro-Mechanics Co., Ltd. | Electrostatic discharge device of surface mount type and fabricating method thereof |
-
2003
- 2003-10-13 CN CNB2003101012436A patent/CN1298202C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633780A (en) * | 1994-12-21 | 1997-05-27 | Polaroid Corporation | Electrostatic discharge protection device |
| US6172496B1 (en) * | 1995-09-18 | 2001-01-09 | James P. Karins | Static event detection/protection device |
| CN1310578A (en) * | 2000-02-22 | 2001-08-29 | 摩托罗拉公司 | Electrostatic discharge protection device for high-density printed circuit board |
| US20020008952A1 (en) * | 2000-07-10 | 2002-01-24 | Samsung Electro-Mechanics Co., Ltd. | Electrostatic discharge device of surface mount type and fabricating method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1607891A (en) | 2005-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20070131 Termination date: 20091113 |