CN204598464U - A kind of circuit board - Google Patents
A kind of circuit board Download PDFInfo
- Publication number
- CN204598464U CN204598464U CN201520256760.9U CN201520256760U CN204598464U CN 204598464 U CN204598464 U CN 204598464U CN 201520256760 U CN201520256760 U CN 201520256760U CN 204598464 U CN204598464 U CN 204598464U
- Authority
- CN
- China
- Prior art keywords
- pad
- circuit board
- welding resistance
- gap
- utility
- 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.)
- Active
Links
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a kind of circuit board, comprise and be arranged on the first pad on plate face and the second pad; Described in the area ratio of described first pad, the area of the second pad is large; Described first pad around described second pad, in semi-surrounding or entirely surround structure; Have gap between described first pad and described second pad, described gap-fill has welding resistance oil, forms welding resistance bridge.The utility model, by the first pad on plate face and the second pad, can install the element adopting different pad standard respectively, saves sheet material space.Simultaneously by using welding resistance oil the first pad on printed circuit board and the second pad to be separated, avoid size pad to superpose causing part to set up a monument and the generation of the bad phenomenon such as missing solder.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of circuit board.
Background technology
PCB (Printed Circuit Board, printed circuit board) encapsulate the electronic devices and components referred to reality, various parameters (size of such as components and parts, length and width, straight cutting, the paster of chip etc., the size of pad, the length and width, spacing etc. of pin) graphically show, can call when making pcb board.Because different customer demands is different, the device difference to some extent used, in order to avoid there is polylith board, therefore need on same board, use the device replaced mutually, when existing overlapping between the pad of the device of described mutual replacement, existing solution mainly contains separated (as Fig. 1) and simple superposition (as Fig. 2).As shown in Figure 1, according to separated method, the pad A of the first element and the pad B of the second element is separated on PCB C, obviously can take a large amount of spaces, cause the waste of board space.As shown in Figure 2, according to the method for simple superposition, the pad A of the first element and the pad B of the second element directly superposes on PCB C, the pad needed for device is caused not mate with the actual pad on board, set up a monument producing magnetic bead after greatly increasing backflow, offset and the probability of the bad phenomenon such as missing solder, increase maintenance cost, affect the quality of subsequent product.
Utility model content
The purpose of this utility model is, provides a kind of circuit board, reduces the taking of board space, and occurs that magnetic bead is set up a monument, offsets and the probability of the bad phenomenon such as missing solder after reducing backflow.
A kind of circuit board that the utility model embodiment provides, comprises and is arranged on the first pad on plate face and the second pad;
Described in the area ratio of described first pad, the area of the second pad is large;
Described first pad around described second pad, in semi-surrounding or entirely surround structure;
Have gap between described first pad and described second pad, described gap-fill has welding resistance oil, forms welding resistance bridge.
Preferably, described first pad is in " recessed " shape, and described second pad is rectangular, and described second pad is arranged at the gap position of " recessed " shape of described first pad.
Preferably, it is characterized in that, described first pad is in " returning " shape, and described second pad is rectangular, and described second pad is arranged at the medium position of " returning " shape of described first pad.
Preferably, the edge of described first pad and the edge of described second pad are provided with welding resistance and window.
Preferably, described plate face is provided with two described first pads and two described second pads; The center of described first pad and the center of described second pad are on same straight line, and symmetrical in described rectilinear direction.
Preferably, on described first pad, the welding resistance be provided with along described straight line is windowed.
Preferably, described welding resistance oil is green oil.
The circuit board that the utility model embodiment provides, by the first pad on plate face and the second pad, can install the element adopting different pad standard on described circuit board, saves sheet material space.Meanwhile, by using welding resistance oil the first pad on printed circuit board and the second pad to be separated, avoid size pad to superpose causing part to set up a monument and the generation of the bad phenomenon such as missing solder.
Accompanying drawing explanation
Fig. 1 is the structural representation of the separated method of employing that prior art provides;
Fig. 2 is the structural representation of the employing simple superposition method that prior art provides;
Fig. 3 is the structural representation of an embodiment of the circuit board that the utility model provides;
Fig. 4 is the structural representation of another embodiment of the circuit board that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
See Fig. 3, it is the structural representation of an embodiment of the circuit board that the utility model provides.
As shown in Figure 3, described circuit board comprises the first pad 1 and the second pad 2 be arranged on the P1 of plate face; Described first pad is connected by copper sheet with described second pad;
Described in the area ratio of described first pad 1, the area of the second pad 2 is large;
Described first pad 1 around described second pad 2, in semi-surrounding or entirely surround structure;
Have gap 4 between described first pad 1 and described second pad 2, described gap 4 is filled with welding resistance oil, forms welding resistance bridge.Described welding resistance oil is preferably green oil, and the width of the welding resistance oil of filling is generally greater than 6mil.
In the middle of concrete enforcement, described first pad 1 is the pad reserve the position that matches with the second pad 2 on the first standard soldering board basis after, and described second pad 2 is the second standard soldering board; Wherein, the standard soldering board of described first standard soldering board needed for the first element installation, the standard soldering board of described second standard soldering board needed for the second element installation.More specifically, described first element can for meeting the resistive element of the first standard, and described second element can for meeting the inductance element of the second standard.When needs use resistive element, resistive element is arranged on the first pad 1.When needs use inductance element, inductance element is arranged on described second pad 2.
In the middle of a kind of preferred enforcement, as shown in Figure 3, described first pad 1 is in " recessed " shape, and described second pad 2 is rectangular, and described second pad 2 is arranged at the gap position of " recessed " shape of described first pad 1.
In the middle of another kind is preferably implemented, as shown in Figure 4, described first pad 1 is in " returning " shape, and described second pad 2 is rectangular, and described second pad 2 is arranged at the medium position of " returning " shape of described first pad 1.
In actual applications, the edge of described first pad 1 and the edge of described second pad 2 are provided with welding resistance and window 3, described welding resistance window 3 width be preferably 2-8mil.
It should be noted that, those skilled in the art know, and the number of pads needed for can installing according to the first element and the second element, arranges the first pad and second pad of varying number, to meet the needs that element is installed.
As shown in Figure 3 or Figure 4, described plate face P1 is preferably provided with two described second pads 21,22 of described first pad 11,12 and two; The center of described first pad 11,12 and the center of described second pad 21,22 are on same straight line, and symmetrical in described rectilinear direction.In the specific implementation, when needs use the first element, two of a first element pin can be welded in respectively on two described first pads 11,12; When needs use the second element, two of a second element pin can be welded in respectively on two described second pads 21,22.
On described first pad 1, the welding resistance be provided with along described straight line windows 5.By the steel mesh on pcb board after windowing, first pad 1 is divided into symmetrical two parts, make the liquid tin when mounted with electronic components be divided into less and two parts of symmetry, avoid the flowing of liquid tin between first pad 1 two parts, make electronic component not easily produce skew.
The circuit board that the utility model embodiment provides, by the first pad 1 and the second pad 2 on the P1 of plate face, can install the element adopting different pad standard on described circuit board, saves sheet material space.Meanwhile, by using welding resistance oil the first pad 1 on printed circuit board and the second pad 2 to be separated, avoid size pad to superpose causing part to set up a monument and the generation of the bad phenomenon such as missing solder.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (7)
1. a circuit board, is characterized in that, comprises and is arranged on the first pad on plate face and the second pad;
Described in the area ratio of described first pad, the area of the second pad is large;
Described first pad around described second pad, in semi-surrounding or entirely surround structure;
Have gap between described first pad and described second pad, described gap-fill has welding resistance oil, forms welding resistance bridge.
2. circuit board as claimed in claim 1, is characterized in that, described first pad is in " recessed " shape, and described second pad is rectangular, and described second pad is arranged at the gap position of " recessed " shape of described first pad.
3. circuit board as claimed in claim 1, is characterized in that, described first pad is in " returning " shape, and described second pad is rectangular, and described second pad is arranged at the medium position of " returning " shape of described first pad.
4. circuit board as claimed in claim 1, it is characterized in that, the edge of described first pad and the edge of described second pad are provided with welding resistance and window.
5. circuit board as claimed in claim 4, is characterized in that, described plate face is provided with two described first pads and two described second pads; The center of described first pad and the center of described second pad are on same straight line, and symmetrical in described rectilinear direction.
6. circuit board as claimed in claim 5, it is characterized in that, on described first pad, the welding resistance be provided with along described straight line is windowed.
7. the circuit board as described in any one of claim 1 ~ 6, is characterized in that, described welding resistance oil is green oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256760.9U CN204598464U (en) | 2015-04-24 | 2015-04-24 | A kind of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256760.9U CN204598464U (en) | 2015-04-24 | 2015-04-24 | A kind of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204598464U true CN204598464U (en) | 2015-08-26 |
Family
ID=53934567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256760.9U Active CN204598464U (en) | 2015-04-24 | 2015-04-24 | A kind of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204598464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792511A (en) * | 2016-03-30 | 2016-07-20 | 努比亚技术有限公司 | Pad compatible structure and PCB |
| CN106358365A (en) * | 2016-11-28 | 2017-01-25 | 深圳天珑无线科技有限公司 | Semifinished product circuit board, leaf spring circuit board and contact pin circuit board |
| CN108886875A (en) * | 2016-03-31 | 2018-11-23 | Fdk株式会社 | Printed wiring board |
-
2015
- 2015-04-24 CN CN201520256760.9U patent/CN204598464U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792511A (en) * | 2016-03-30 | 2016-07-20 | 努比亚技术有限公司 | Pad compatible structure and PCB |
| CN108886875A (en) * | 2016-03-31 | 2018-11-23 | Fdk株式会社 | Printed wiring board |
| CN108886875B (en) * | 2016-03-31 | 2021-02-26 | Fdk株式会社 | Printed wiring board |
| CN106358365A (en) * | 2016-11-28 | 2017-01-25 | 深圳天珑无线科技有限公司 | Semifinished product circuit board, leaf spring circuit board and contact pin circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204598464U (en) | A kind of circuit board | |
| CN102523696B (en) | Solder resist manufacturing method of thick copper plate | |
| CN102689065A (en) | Method for welding circuit board components | |
| CN103037633B (en) | The anti-welding offset method of surface mount device | |
| CN103096618A (en) | Printed circuit board and electronic apparatus thereof | |
| CN203708620U (en) | Printed circuit board (PCB) with multiple alignment system | |
| CN103052276A (en) | PCB (Printed Circuit Board) welding fixture | |
| CN202310288U (en) | PCB structure of mobile portable device | |
| CN203691749U (en) | Circuit board assembly | |
| CN104735900A (en) | Circuit board with side face metal structure and manufacturing method thereof | |
| CN205566802U (en) | Circuit board | |
| CN203368905U (en) | Printed circuit board | |
| CN203761673U (en) | PCB (printed circuit board) having secondary solder resistant protective layer | |
| CN203056147U (en) | Welding pin structure of electronic component | |
| CN202374560U (en) | Chip attachment printed circuit board (PCB) | |
| CN102984890B (en) | A kind of component mounter location structure and localization method | |
| CN102892256B (en) | The method of printed circuit board surface mounted with electronic components | |
| CN104363700A (en) | Printed circuit board | |
| CN201773691U (en) | Current transformer | |
| CN203608449U (en) | A printed circuit board repairing copper foil | |
| CN203596975U (en) | PCB with PIN connecting pin | |
| CN104363698B (en) | The row leaded package and encapsulation design method and wiring board of wiring board | |
| CN203104959U (en) | Printed circuit board pad | |
| CN205283935U (en) | PCB board with position circle protective layer | |
| CN204482164U (en) | A kind of novel I C plate link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |