CN108235599A - A kind of carbon oil interdigital space of hand is less than the production method of 0.60mmPCB plates and outer graphics data - Google Patents
A kind of carbon oil interdigital space of hand is less than the production method of 0.60mmPCB plates and outer graphics data Download PDFInfo
- Publication number
- CN108235599A CN108235599A CN201711421721.XA CN201711421721A CN108235599A CN 108235599 A CN108235599 A CN 108235599A CN 201711421721 A CN201711421721 A CN 201711421721A CN 108235599 A CN108235599 A CN 108235599A
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- China
- Prior art keywords
- carbon oil
- hand
- carbon
- finger
- interdigital space
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/032—Materials
- H05K2201/0323—Carbon
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention discloses a kind of carbon oil interdigital space of hand to be less than the production method of 0.60mmPCB plates and outer graphics data,By improving outer graphics data,Increase the figure of the barrier structure between carbon oil finger structure between the adjacent line width of carbon oil finger figure,According to sawing sheet → inner figure → internal layer AOI → pressing → drilling → heavy copper,The flow of plate electricity → outer graphics → graphic plating → alkali etching → outer layer AOI → welding resistance → character → surface treatment → molding → silk-screen carbon oil → test → FQC → packaging makes,After silk-screen carbon oil,The barrier structure torn between carbon oil finger structure after carbon oil curing,It can be formed in carbon oil interdigital space of hand without carbon oil region,Ensure between the adjacent line width of carbon oil finger structure to be not in electric conduction phenomena,The limit capacity of the carbon oil interdigital space of hand of silk-screen carbon oil pcb board is increased into 0.35mm.
Description
Technical field
The present invention relates to printed wiring board manufacturing fields, are less than more particularly, to a kind of carbon oil interdigital space of hand
The production method of 0.60mmPCB plates and outer graphics data.
Background technology
With the fast development of PCB technologies, for electric conductive carbon printing printed wiring board because its production procedure is simple, cost is relatively low
It is honest and clean, while also there is wear-resistant and etch-proof effect, it is still pursued by some PCB clients, in occupation of certain market share.
So-called electric conductive carbon printing printed wiring board is printing carbon oil formation carbon oil finger knot on the part solder joint or pad of assist side
Structure, printing carbon oil in the circuit board can make printing carbon oil partially electronically conductive.
With wiring board design constantly to high-accuracy figure develop, when need silk-screen carbon oil circuit board pattern adjacent and
Away from it is nearer when, traditional design method because in manufacturing process carbon oil leakage generate short circuit, and then occur conductive, influence electrical spy
Property.The spacing limit capacity that the electric conductive carbon printing printed wiring board of traditional approach production needs silk-screen carbon oil figure adjacent in the industry can only
Accomplish 0.60mm.This limits the trend for causing electric conductive carbon printing printed wiring board that can not keep up with wiring board, can not such as improve system
Cheng Nengli, electric conductive carbon printing printed wiring board will be in the near future in the conditions being eliminated.
Invention content
It is an object of the invention to improve electric conductive carbon printing printed wiring board to need the adjacent spacing limit of silk-screen carbon oil figure
Ability makes it be increased to 0.35mm by current 0.60mm, improves electric conductive carbon printing printed wiring board in high-accuracy figure market
Occupation rate.
To achieve the above object, technical scheme is as follows：
The production method that a kind of carbon oil interdigital space of hand is less than 0.60mmPCB plates, which is characterized in that include the following steps：
S1：The outer graphics of design work plate increase between the adjacent line width of the carbon oil finger figure of carbon oil finger structure
Add the carbon oil interdigital space of hand figure of carbon oil interdigital space of hand structure；
S2：Outer graphics are transferred to by mask on the working plate after plate electricity, conductive pattern, carbon oil finger figure and
Above carbon oil interdigital space of hand figure, electro-coppering basal layer and copper-based bottom protective layer, move back film, etch away the copper below mask successively
Layer；
S3：Welding resistance bridge and character are made on working plate；
S4：Working plate is cut into the profiled sheeting of customer demand size；
S5：Carbon oil silk-screen is carried out to profiled sheeting with silk-screen carbon oil halftone, the silk-screen carbon oil above carbon oil finger structure；
S6：Removal carbon oil interdigital space of hand structure is to basal layer after carbon oil curing, the shape between the adjacent line width of carbon oil finger
Into the gap of no carbon oil.
In step S1, the line width of the carbon oil interdigital space of hand figure is 0.15mm~0.19mm.
In step S1, gap between the carbon oil finger figure and the carbon oil interdigital space of hand figure for 0.08mm~
0.10mm。
In step S4, the line width of the carbon oil finger figure on the silk-screen carbon oil halftone is than the line width list of carbon oil finger structure
The big 0.10mm in side.
A kind of carbon oil interdigital space of hand is less than the outer graphics data of 0.60mmPCB plates, which is characterized in that in carbon oil finger figure
Increasing carbon oil interdigital space of hand figure between the adjacent line width of shape, the carbon oil finger figure corresponds to the carbon oil finger structure of pcb board,
The carbon oil interdigital space of hand figure corresponds to the carbon oil interdigital space of hand structure of pcb board, and the line width of the carbon oil interdigital space of hand figure is
0.15mm~0.19mm, gap between the carbon oil finger figure and the carbon oil interdigital space of hand figure for 0.08mm~
0.10mm。
It can be seen from the above technical proposal that the present invention in the design of outer graphics by increasing carbon oil interdigital space of hand figure
Shape keeps existing pcb board production process constant, such as undergoes sawing sheet successively, inner figure, internal layer AOI, pressing, drilling, sinks
The processes such as copper/plate electricity, outer graphics, graphic plating, alkali etching, outer layer AOI, welding resistance, character, surface treatment, make carbon oil hand
Refer to more extra than the prior art carbon oil interdigital space of hand for including copper-based bottom and copper-based bottom protective layer between the adjacent line width of structure
Structure after the carbon oil curing of silk-screen, tears carbon oil interdigital space of hand structure, you can in the phase of carbon oil finger structure along copper-based bottom
The gap without carbon oil is formed between adjacent line is wide, it is ensured that between the adjacent line width of carbon oil finger structure be not in conduction after silk-screen carbon oil
Phenomenon solves and occurs the exception that carbon oil penetrates into short circuit because gap is small, and then raising electric conductive carbon printing printed wiring board needs silk-screen
The adjacent spacing limit capacity of carbon oil figure.
Description of the drawings
Fig. 1 is the flow diagram that a kind of carbon oil interdigital space of hand of the present invention is less than the production method of 0.60mmPCB plates；
Fig. 2 is the structure diagram of the carbon oil finger figure in the outer graphics of design of the prior art；
Fig. 3 is the structural representation of the carbon oil finger figure in the outer graphics of the design in the specific embodiment of the present invention
Figure.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in further detail.
It should be noted that in following specific embodiments, when embodiments of the present invention are described in detail, in order to clear
Ground represents the structure of the present invention in order to illustrate, special not draw to the structure in attached drawing according to general proportion, and carried out part
Amplification, deformation and simplified processing, therefore, should avoid in this, as limitation of the invention to understand.
The existing flow for making electric conductive carbon printing printed wiring board (pcb board) is as follows：
Sawing sheet → inner figure → internal layer AOI → pressing → drilling → heavy copper, plate electricity → outer graphics → graphic plating →
Alkali etching → outer layer AOI → welding resistance → character → surface treatment → molding → silk-screen carbon oil → test → FQC → FQA → packet
Dress.
Carbon oil is printed on the part solder joint or pad of assist side and forms carbon oil finger structure, during silk-screen carbon oil,
Carbon oil can easily overlap to exosmosis, if carbon oil interdigital space of hand is too small to the carbon oil of exosmosis, carbon oil be caused to penetrate into short
Road influences electric property.
The present invention is improved the prior art, and specific process is referring to Fig. 1, mainly include the following steps that：
The outer graphics of design work plate, please refer to Fig. 2 and Fig. 3, in the carbon oil finger figure 01 of carbon oil finger structure
Increase the carbon oil interdigital space of hand figure 02 of carbon oil interdigital space of hand structure between adjacent line width.Usual outer graphics include conductive pattern
Part needs to form copper wire on conductive pattern, is used to implement electric property, and carbon oil finger figure 01 is corresponded on pcb board
Carbon oil finger structure, carbon oil finger structure are also copper wire, and carbon oil interdigital space of hand figure 02 corresponds to the carbon oil finger knot on pcb board
Middle section (carbon oil interdigital space of hand structure) between the adjacent finger of structure, is regarded as conductive pattern, i.e., in the making of pcb board
In technique, it is also required to form copper wire above carbon oil interdigital space of hand figure.
In the present invention, it is preferred to the line width of carbon oil interdigital space of hand figure 02 is 0.15mm~0.19mm, carbon oil finger figure
Gap between shape 01 and carbon oil interdigital space of hand figure 02 is 0.08mm~0.10mm.
Outer graphics data is made according to the outer graphics of above-mentioned design, outer graphics are transferred in film data, i.e.,
Outer graphics data.
It keeps existing pcb board production process constant, such as undergoes sawing sheet, inner figure, internal layer AOI, pressing, brill successively
The processes such as hole, heavy copper/plate electricity, outer graphics, graphic plating, alkali etching, outer layer AOI, welding resistance, character, surface treatment.It is above-mentioned
The operating condition of each process is same as the prior art, and details are not described herein.
In the outer graphics production process of pcb board, outer graphics are transferred to by mask on the working plate after plate electricity,
Above conductive pattern, carbon oil finger figure 01 and carbon oil interdigital space of hand figure 02, electro-coppering basal layer and copper-based bottom are protected successively
Sheath moves back film, etches away the layers of copper below mask, i.e., conducting wire is formed on pcb board and carbon oil is formed on pcb board
Finger structure and carbon oil interdigital space of hand structure.
Unlike the prior art, the present invention just cuts into working plate (pad plates) after surface treatment procedure
Then the profiled sheeting (set plates) that client needs, i.e. moulding process are directed at the work for carrying out silk-screen carbon oil to profiled sheeting by positioning
Sequence, this method can ensure the accuracy of positioning alignment to the greatest extent, control carbon oil silk-screen deviation.
Next enter silk-screen carbon oil process, make carbon oil wire mark data first, include silk-screen carbon in carbon oil wire mark data
Oily finger figure, can be by silk-screen carbon oil finger graphic designs into than that need to cover in order to which carbon oil is allowed to cover all carbon oil finger structure
The unilateral big 0.1mm of carbon oil finger structure of lid.Using carbon oil wire mark data by silk-screen carbon oil finger pattern transfer to silk-screen carbon oil
On halftone.
Carbon oil silk-screen, i.e., the silk-screen above the carbon oil finger structure of profiled sheeting are carried out to profiled sheeting using silk-screen carbon oil halftone
Carbon oil.
Existing skill is compared in the middle section of carbon oil finger structure by the pcb board that the manufacture craft of above-mentioned pcb board obtains
The extra carbon oil interdigital space of hand structure of art tears the structure to basal layer along copper sheet layer, positioned at the superstructure carbon oil also by
Remove together, i.e., between the adjacent line width of carbon oil finger formed the gap without carbon oil, it is ensured that carbon oil finger structure it is adjacent
It is not in electric conduction phenomena between line width.
It, will to the precision of silk-screen halftone when carrying out silk-screen using the prior art when carbon oil interdigital space of hand is less than 0.60mm
Craft precision requirement of summing is all very harsh, so that being not in short-circuit caused by permeability between being unable to absolute guarantee's carbon oil finger
Phenomenon.Method using the present invention, during silk-screen carbon oil, required precision and silk-screen carbon oil craft precision to silk-screen halftone
It is required that can moderately relax, therefore, the improvement that the present invention carries out the prior art, not only without increasing technology difficulty, but also
The limit capacity of carbon oil interdigital space of hand is greatly improved, there is important application value.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. the production method that a kind of carbon oil interdigital space of hand is less than 0.60mmPCB plates, which is characterized in that include the following steps：
S1：The outer graphics of design work plate increase carbon between the adjacent line width of the carbon oil finger figure of carbon oil finger structure
The carbon oil interdigital space of hand figure of oily interdigital space of hand structure；
S2：Outer graphics are transferred to by mask on the working plate after plate electricity, in conductive pattern, carbon oil finger figure and carbon oil
Above interdigital space of hand figure, electro-coppering basal layer and copper-based bottom protective layer, move back film, etch away the layers of copper below mask successively；
S3：Welding resistance bridge and character are made on working plate；
S4：Working plate is cut into the profiled sheeting of customer demand size；
S5：Carbon oil silk-screen is carried out to profiled sheeting with silk-screen carbon oil halftone, the silk-screen carbon oil above carbon oil finger structure；
S6：Removal carbon oil interdigital space of hand structure forms nothing to basal layer between the adjacent line width of carbon oil finger after carbon oil curing
The gap of carbon oil.
2. production method according to claim 1, which is characterized in that in step S1, the carbon oil interdigital space of hand figure
Line width is 0.15mm~0.19mm.
3. production method according to claim 1, which is characterized in that in step S1, the carbon oil finger figure and described
Gap between carbon oil interdigital space of hand figure is 0.08mm~0.10mm.
4. production method according to claim 1, which is characterized in that in step S4, the carbon on the silk-screen carbon oil halftone
The line width big 0.10mm more unilateral than the line width of carbon oil finger structure of oily finger figure.
5. a kind of carbon oil interdigital space of hand is less than the outer graphics data of 0.60mmPCB plates, which is characterized in that in carbon oil finger figure
Adjacent line width between increase carbon oil interdigital space of hand figure, the carbon oil finger figure corresponds to the carbon oil finger structure of pcb board, institute
The carbon oil interdigital space of hand structure that carbon oil interdigital space of hand figure corresponds to pcb board is stated, the line width of the carbon oil interdigital space of hand figure is
0.15mm~0.19mm, gap between the carbon oil finger figure and the carbon oil interdigital space of hand figure for 0.08mm~
0.10mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421721.XA CN108235599B (en) | 2017-12-25 | 2017-12-25 | Manufacturing method of PCB with carbon oil finger gap smaller than 0.60mm and outer layer graphic data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421721.XA CN108235599B (en) | 2017-12-25 | 2017-12-25 | Manufacturing method of PCB with carbon oil finger gap smaller than 0.60mm and outer layer graphic data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108235599A true CN108235599A (en) | 2018-06-29 |
| CN108235599B CN108235599B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421721.XA Active CN108235599B (en) | 2017-12-25 | 2017-12-25 | Manufacturing method of PCB with carbon oil finger gap smaller than 0.60mm and outer layer graphic data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698838A (en) * | 2020-06-19 | 2020-09-22 | 奥士康精密电路（惠州）有限公司 | Method for controlling micro-short of carbon oil plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827499A (en) * | 2010-04-30 | 2010-09-08 | 深圳崇达多层线路板有限公司 | Circuit board printing method for preventing carbon oil leakage short circuit and circuit board |
| CN102802363A (en) * | 2012-08-27 | 2012-11-28 | 长沙牧泰莱电路技术有限公司 | Printed circuit board and manufacturing method thereof |
| US20160164171A1 (en) * | 2014-12-04 | 2016-06-09 | Chung-Ping Lai | Wireless antenna made from binder-free conductive carbon inks |
-
2017
- 2017-12-25 CN CN201711421721.XA patent/CN108235599B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827499A (en) * | 2010-04-30 | 2010-09-08 | 深圳崇达多层线路板有限公司 | Circuit board printing method for preventing carbon oil leakage short circuit and circuit board |
| CN102802363A (en) * | 2012-08-27 | 2012-11-28 | 长沙牧泰莱电路技术有限公司 | Printed circuit board and manufacturing method thereof |
| US20160164171A1 (en) * | 2014-12-04 | 2016-06-09 | Chung-Ping Lai | Wireless antenna made from binder-free conductive carbon inks |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698838A (en) * | 2020-06-19 | 2020-09-22 | 奥士康精密电路（惠州）有限公司 | Method for controlling micro-short of carbon oil plate |
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| CN108235599B (en) | 2023-08-18 |
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