CN209534442U - One kind is for improving the remaining halftone shelves point of VIA through-hole ink - Google Patents

One kind is for improving the remaining halftone shelves point of VIA through-hole ink Download PDF

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Publication number
CN209534442U
CN209534442U CN201822039273.3U CN201822039273U CN209534442U CN 209534442 U CN209534442 U CN 209534442U CN 201822039273 U CN201822039273 U CN 201822039273U CN 209534442 U CN209534442 U CN 209534442U
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China
Prior art keywords
hole
shelves
improving
aperture
point
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CN201822039273.3U
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Chinese (zh)
Inventor
封海峰
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Gaode Jiangsu Electronic Technology Co ltd
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GAODE (WUXI) ELECTRONICS CO Ltd
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Priority to CN201822039273.3U priority Critical patent/CN209534442U/en
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Publication of CN209534442U publication Critical patent/CN209534442U/en
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Abstract

The utility model relates to one kind for improving the remaining halftone shelves point of VIA through-hole ink.The edge of shelves point is evenly arranged with 8 shelves mouths, and shelves mouth is triangle, and rectangle washer is set as between two neighboring shelves mouth, and the width of washer is a, and the length of symmetrical two washers is that the size of b, a and b are related with the aperture D of VIA through-hole, and the value range of a is b+2.The utility model structure is simple, compact to design, and the size of the rice word shelves point used can be modified by adjusting rectangular aspect, adjustable, designs simple easy processing, so that the design of product has bigger extension, and then the diversity of product VIA through-hole may be implemented.

Description

One kind is for improving the remaining halftone shelves point of VIA through-hole ink
Technical field
The utility model relates to one kind for improving the remaining halftone shelves point of VIA through-hole ink, belong to wiring board design skill Art field.
Background technique
With the high speed development of electronic product, many special products are in requisition for special demand, traditional wiring board Design is difficult to meet some specific demands, such as: the heat dissipation of QFN chip, the welding of plug-in unit part, according to traditional shelves point side Formula makes the VIA through-hole of small-bore, and general diameter is in 9.8 ~ 15.7mil, and plate thickness is in 60mil or more, if needing common shelves point Design, can make has a large amount of ink in the hole VIA, is unfavorable for punching of developing, if the diameter of common shelves point design is increased, at aperture The problems such as will cause leakage copper.
Utility model content
Purpose of the utility model is to solve problem, provide that a kind of structure is simple, it is compact to design for improving The remaining halftone shelves point of VIA through-hole ink.
The utility model adopts the following technical solution: one kind is described for improving the remaining halftone shelves point of VIA through-hole ink The edge of shelves point is evenly arranged with 8 shelves mouths, and the shelves mouth is triangle, is set as rectangle shelves between the two neighboring shelves mouth Piece, the width of the washer are a, and the length of symmetrical two washers is the size of b, a and b and the aperture D of VIA through-hole It is related, and the value range of a is b+2.
Further, the shelves are selected in rice font.
Further, when VIA through-hole aperture D is less than 9.8 mil, b 4mil, a 6mil.
Further, as 9.8 < D≤14.8 of VIA through-hole aperture, b 5mil, a 7mil.
Further, as 14.8 < D≤19.8 of VIA through-hole aperture, b is 6 mil, a 8mil.
Further, as 19.8 < D≤24.8 of VIA through-hole aperture, b is 7 mil, a 9mil.
Further, as 24.8 < D≤29.8 of VIA through-hole aperture, b 8mil, a 10mil.
Further, as 29.8 < D≤34.8 of VIA through-hole aperture, b 9mil, a 11mil.
Further, as 34.8 < D≤39.8 of VIA through-hole aperture, b 10mil, a 12mil.
Further, the design process of shelves point includes the following steps:
(1) need to be arranged halftone shelves point as aspect ratio >=8:1 according to the aspect ratio in the section of VIA through-hole first, when vertical Horizontal ratio does not need then when being less than 8:1;
(2) the width a and length b of shelves point are set according to the aperture D of VIA through-hole;
(3) select the halftone of corresponding mesh number for substrate according to the size of shelves point;
(4) several grade of point is plotted on halftone respectively, carries out production printing.
The utility model structure is simple, compact to design, the size of the rice word shelves point used can by adjust rectangular aspect into Row modification, it is adjustable, simple easy processing is designed, so that the design of product has bigger extension, and then product may be implemented The diversity of VIA through-hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: shelves mouth 1, washer 2.
Specific embodiment
Below in conjunction with attached drawing, the utility model will be further described.
As shown in Figure 1, a kind of for improving the remaining halftone shelves point of VIA through-hole ink, the edge of shelves point is evenly arranged with 8 shelves mouths 1, shelves mouth 1 are triangle, are set as rectangle washer 2 between two neighboring shelves mouth 1, and the width of washer 2 is a, and symmetrical two The length of a washer 2 is that the size of b, width a and length b are related with the aperture D of VIA through-hole, and the value range of a is b+2;
When VIA through-hole aperture D is less than 9.8 mil, b 4mil, a 6mil;As 9.8 < D≤14.8, b 5mil, A is 7mil;When 14.8 < D≤19.8, b is 6 mil, a 8mil;When 19.8 < D≤24.8, b is 7 mil, a 9mil; When 24.8 < D≤29.8, b 8mil, a 10mil;When 29.8 < D≤34.8, b 9mil, a 11mil;34.8 < D≤ When 39.8, b 10mil, a 12mil.
Design procedure is as follows:
A, confirm VIA through-hole minimum-value aperture on substrate, calculate whether its aspect ratio is more than or equal to 8:1;Pass through client's Gerber data, finds out that its minimum VIA through-hole aperture is 9.8mil, finished product plate thickness requirement is 78.4mil, calculates aspect ratio For 8:1, judgement needs to enable such design;
B, the design of rice font shelves point calculates the length and width of each rectangle of composition rice font shelves point according to VIA through-hole aperture Are as follows: 11.8milX4mil;
C, it according to the minimum aperture VIA, calculates the minimum of halftone mesh number and requires to be 110 mesh;
D, by designed rice font shelves point-rendering to selected halftone, production printing is carried out.

Claims (9)

1. one kind is for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: the edge of the shelves point is uniformly arranged There are 8 shelves mouths (1), the shelves mouth (1) is triangle, is set as rectangle washer (2), institute between the two neighboring shelves mouth (1) The width for stating washer (2) is a, and the length of symmetrical two washers (2) is the size of b, a and b and the aperture of VIA through-hole D is related, and the value range of a is b+2.
2. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: the shelves point In rice font.
3. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When aperture D is less than 9.8 mil, b 4mil, a 6mil.
4. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 9.8 < D≤14.8 of aperture, b 5mil, a 7mil.
5. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 14.8 < D≤19.8 of aperture, b is 6 mil, a 8mil.
6. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 19.8 < D≤24.8 of aperture, b is 7 mil, a 9mil.
7. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 24.8 < D≤29.8 of aperture, b 8mil, a 10mil.
8. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 29.8 < D≤34.8 of aperture, b 9mil, a 11mil.
9. as described in claim 1 for improving the remaining halftone shelves point of VIA through-hole ink, it is characterised in that: when VIA through-hole When 34.8 < D≤39.8 of aperture, b 10mil, a 12mil.
CN201822039273.3U 2018-12-06 2018-12-06 One kind is for improving the remaining halftone shelves point of VIA through-hole ink Active CN209534442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822039273.3U CN209534442U (en) 2018-12-06 2018-12-06 One kind is for improving the remaining halftone shelves point of VIA through-hole ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822039273.3U CN209534442U (en) 2018-12-06 2018-12-06 One kind is for improving the remaining halftone shelves point of VIA through-hole ink

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CN209534442U true CN209534442U (en) 2019-10-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109466164A (en) * 2018-12-06 2019-03-15 高德(无锡)电子有限公司 One kind is for improving the remaining halftone shelves point of VIA through-hole ink

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109466164A (en) * 2018-12-06 2019-03-15 高德(无锡)电子有限公司 One kind is for improving the remaining halftone shelves point of VIA through-hole ink
CN109466164B (en) * 2018-12-06 2023-12-12 高德(江苏)电子科技股份有限公司 Screen printing plate blocking point for improving VIA through hole ink residue

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Effective date of registration: 20230831

Address after: No. 32 Chunhui Middle Road, Yunlin Street, Xishan District, Wuxi City, Jiangsu Province, 214101

Patentee after: Gaode (Jiangsu) Electronic Technology Co.,Ltd.

Address before: Jiangsu province Wuxi Chunhui road 214101 Xishan City Economic Development Zone No. 32

Patentee before: Gultech (Wuxi) Electronics Co.,Ltd.