CN215187610U - Hole plugging layout structure of circuit board - Google Patents
Hole plugging layout structure of circuit board Download PDFInfo
- Publication number
- CN215187610U CN215187610U CN202121206239.6U CN202121206239U CN215187610U CN 215187610 U CN215187610 U CN 215187610U CN 202121206239 U CN202121206239 U CN 202121206239U CN 215187610 U CN215187610 U CN 215187610U
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- hole
- circuit board
- screen
- screen plate
- plugging
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Abstract
The utility model relates to a circuit board plug hole typesetting structure, which consists of a plug hole screen plate, a circuit board and non-woven fabrics which are sequentially stacked, wherein the plug hole typesetting structure is arranged on the table surface of a screen printing machine, and the non-woven fabrics are attached on the table surface of the screen printing machine; the hole plugging screen plate is provided with a screen plate pattern hole, the circuit board is provided with a through hole, the hole center of the screen plate pattern hole corresponds to the hole center of the through hole, and the diameter of the screen plate pattern hole is smaller than that of the through hole; the utility model discloses a circuit board consent composing structure is through suitably reducing the otter board graphic hole of otter board, can effective control once only scrape the printing ink volume of going into the via hole, fills up on the silk screen printing mesa and pays the non-woven fabrics, can breathe freely and adsorb unnecessary printing ink, prevents to pollute the silk screen printing machine mesa, makes the downthehole printing ink full and stable of crossing, provides good consent structural basis for circuit board consent preparation, makes the circuit board possess good impedance characteristic and outward appearance performance.
Description
Technical Field
The utility model relates to a circuit board processing technology field especially relates to a circuit board consent composing structure.
Background
Printed Circuit Boards (PCBs), also known as Printed Circuit Boards (PCBs), are important electronic components, which are the basic support for electronic components and the carrier for electrical interconnection of electronic components, and are also known as "Printed" Circuit boards (PCBs) because they are manufactured by electronic printing.
For circuit board products requiring strict control of circuit impedance characteristics and appearance, an ink hole plugging process is generally required to fill via holes of the circuit board with ink to form a flat surface; the hole plugging is generally realized by manufacturing a hole plugging screen plate and scraping ink into the hole through screen printing.
For a circuit board with a via hole with a large aperture, the plugging is easy to cause the problems of oil leakage, incomplete plugging and pollution to the table top of a screen printing machine, so that the phenomena of plugging hole pollution, plugging hole cavities and the like are caused.
Therefore, it is desirable to provide a structure capable of effectively improving the plugging problem of the via hole with a large aperture, so as to achieve a good via hole plugging effect.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the circuit board that has the great via hole in aperture, the consent produces the oil leak easily, emits oil, the not full problem of consent, has provided a neotype circuit board consent composing structure, and concrete technical scheme is as follows:
a circuit board hole plugging and typesetting structure is characterized in that the hole plugging and typesetting structure is composed of a hole plugging screen plate, a circuit board and non-woven fabrics which are sequentially stacked, the hole plugging and typesetting structure is arranged on a screen printer table board, and the non-woven fabrics are attached to the screen printer table board; the plug hole screen plate is provided with a screen plate pattern hole, the circuit board is provided with a via hole, the hole center of the screen plate pattern hole corresponds to the hole center of the via hole, and the diameter of the screen plate pattern hole is smaller than that of the via hole.
Optionally, the thickness of the non-woven fabric is less than the thickness of the circuit board, and the thickness of the non-woven fabric is 20 μm to 50 μm.
Optionally, the non-woven fabric is a dust-free fabric.
Optionally, the difference between the diameter of the via hole and the diameter of the screen pattern hole is 10 μm to 40 μm.
Optionally, the plug hole mesh plate is an aluminum sheet or silk screen gauze.
Optionally, the aluminum sheet has a thickness of 1mm to 2 mm.
Optionally, the mesh number of the silk screen gauze is 70 meshes, or 80 meshes, or 100 meshes.
The utility model discloses a circuit board consent composing structure is through suitably reducing the otter board graphic hole of otter board, can once only scrape the printing ink volume of going into the via hole by the active control, fill up the non-woven fabrics on the silk screen printing mesa, can breathe freely and adsorb unnecessary printing ink, prevent to pollute the silk screen printing machine mesa, make the downthehole printing ink full and stable of mistake, for circuit board consent preparation provides good consent structural foundation, use this structure to carry out the circuit board consent, again to the angle of consent printing ink and silk screen printing scraper, the dynamics is adjusted, can effectively improve the consent quality of great via hole, make the circuit board possess good impedance characteristic and outward appearance performance.
Drawings
Fig. 1 is a schematic cross-sectional view of the plug hole typesetting structure of the circuit board of the present invention.
Description of reference numerals:
10-hole plugging screen plate, 110-screen plate pattern holes, 20-circuit board, 30-non-woven fabric, and 210-through holes on the table surface of a 40-screen printing machine.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a circuit board hole plugging layout structure according to the present invention; the circuit board hole plugging typesetting structure as shown in the figure is composed of a hole plugging screen plate 10, a circuit board 20 and non-woven fabrics 30 which are sequentially stacked, the hole plugging typesetting structure is arranged on a screen printer table-board 40, and the non-woven fabrics 30 are attached to the screen printer table-board 40; the hole plugging screen plate 10 is provided with a screen plate pattern hole 110, the circuit board 20 is provided with a via hole 210, the hole center of the screen plate pattern hole 110 corresponds to the hole center of the via hole 210, and the diameter of the screen plate pattern hole 110 is smaller than that of the via hole 210.
Through setting up the screen plate graphic hole 110 that the aperture is less than via hole 210, when carrying out the consent processing, can make the consent printing ink more accurate and appropriate amount flow in via hole 210 from screen plate graphic hole 210, prevent that the once only flow in via hole 210 of consent printing ink is too much, cause printing ink outflow, excessive scheduling problem to set up non-woven fabrics 30 at the circuit board bottom, can effectively play ventilative, adsorb unnecessary printing ink, prevent to pollute the effect of silk screen printing machine mesa 40, make the consent processing go on smoothly.
In this embodiment, the thickness of the non-woven fabric 30 is smaller than that of the circuit board 20, and the thickness of the non-woven fabric 30 is 20 μm.
In this embodiment, the nonwoven fabric 30 is a dust-free fabric.
In this embodiment, the difference between the diameter of the via hole 210 and the diameter of the screen pattern hole 110 is 10 μm, and in other embodiments, the screen pattern hole 110 may be appropriately matched according to the aperture diameter of the via hole 210 so as to form the best hole plugging effect.
In this embodiment, the hole plugging screen 10 is an aluminum sheet or a silk-screen gauze.
In this example, the aluminum sheet had a thickness of 1 mm.
In this embodiment, the screen mesh is 100 mesh.
It is worth to be noted that the screen pattern holes 110 can be manufactured more accurately by using aluminum sheet hole plugging, and the hole plugging ink flows into the via holes 210 through the screen pattern holes 110 more accurately, so that a good hole plugging effect is formed.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (7)
1. A circuit board hole plugging and typesetting structure is characterized in that the hole plugging and typesetting structure is composed of a hole plugging screen plate, a circuit board and non-woven fabrics which are sequentially stacked, the hole plugging and typesetting structure is arranged on a screen printer table board, and the non-woven fabrics are attached to the screen printer table board; the plug hole screen plate is provided with a screen plate pattern hole, the circuit board is provided with a via hole, the hole center of the screen plate pattern hole corresponds to the hole center of the via hole, and the diameter of the screen plate pattern hole is smaller than that of the via hole.
2. The hole plugging composition structure of circuit board as claimed in claim 1, wherein the thickness of said non-woven fabric is smaller than the thickness of said circuit board, and the thickness of said non-woven fabric is 20 μm to 50 μm.
3. The hole layout structure for circuit boards of claim 1, wherein the non-woven fabric is a dust-free fabric.
4. The hole plugging composition structure of circuit board as claimed in claim 1, wherein the difference between the diameter of said via hole and the diameter of said screen pattern hole is 10 μm to 40 μm.
5. The hole plugging layout structure of circuit board as claimed in claim 1, wherein said hole plugging screen is an aluminum sheet or silk screen gauze.
6. The hole layout structure for circuit boards according to claim 5, wherein the thickness of the aluminum sheet is 1mm to 2 mm.
7. The hole plugging composition structure of circuit board as claimed in claim 5, wherein said silk screen gauze has a mesh size of 70 mesh, 80 mesh or 100 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206239.6U CN215187610U (en) | 2021-06-01 | 2021-06-01 | Hole plugging layout structure of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206239.6U CN215187610U (en) | 2021-06-01 | 2021-06-01 | Hole plugging layout structure of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215187610U true CN215187610U (en) | 2021-12-14 |
Family
ID=79376508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121206239.6U Active CN215187610U (en) | 2021-06-01 | 2021-06-01 | Hole plugging layout structure of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215187610U (en) |
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2021
- 2021-06-01 CN CN202121206239.6U patent/CN215187610U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 341000 south of Weibang Road, industrial park, Xinfeng County, Ganzhou City, Jiangxi Province Patentee after: Ganzhou Kexiang electronic technology second factory Co.,Ltd. Address before: 341000 south of Weibang Road, industrial park, Xinfeng County, Ganzhou City, Jiangxi Province Patentee before: Jiangxi Yurui Electronic Technology Co.,Ltd. |