CN112203430A - Production process of green oil board - Google Patents
Production process of green oil board Download PDFInfo
- Publication number
- CN112203430A CN112203430A CN202011156537.9A CN202011156537A CN112203430A CN 112203430 A CN112203430 A CN 112203430A CN 202011156537 A CN202011156537 A CN 202011156537A CN 112203430 A CN112203430 A CN 112203430A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- copper
- green oil
- clad plate
- board
- 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.)
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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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/061—Etching masks
-
- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
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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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0502—Patterning and lithography
- H05K2203/0531—Decalcomania, i.e. transfer of a pattern detached from its carrier before affixing the pattern to the substrate
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention discloses a process for producing a green oil board, which comprises preparing materials for preparing the green oil board, printing a drawn circuit board by transfer paper, manufacturing a whole-course illustration of the circuit board by a light-sensitive plate, polishing an oxide layer on the surface of a copper-clad plate by fine sand paper to ensure that carbon powder on the thermal transfer paper can be firmly printed on the copper-clad plate when the circuit board is transferred, cutting the printed circuit board into a proper size, attaching one surface printed with the circuit board on the copper-clad plate, placing the copper-clad plate into a thermal transfer machine after aligning, checking the printing integrity of the circuit board, repairing a few places without transfer printing by a black oil pen, then corroding the circuit board, drilling holes on the circuit board, polishing off the ink powder covered on the circuit board by the fine sand paper, cleaning the circuit board by clear water, coating rosin water on one surface with a circuit after the circuit board is dried, heating the circuit board by a hot air blower to solidify the rosin, the production process of the green oil board is complete, and the produced green oil board has good quality.
Description
Technical Field
The invention relates to the technical field of green oil board production, in particular to a production process of a green oil board.
Background
The circuit board has the name: ceramic circuit board, green oil board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and the FPC circuit board (the FPC circuit board is also called as a flexible circuit board) is a flexible printed circuit board which is made of polyimide or polyester film as a base material, has high reliability and is excellent in flexibility, and has the characteristics of high wiring density, light weight, thin thickness and good bending property) and a Soft and hard combination board (reechas, Soft and hard combination board) -the birth and development of the FPC and the PCB, and the new product of the Soft and hard combination board is promoted. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.
Along with the continuous development of intellectualization, electronic products are more and more, green oil plates are required to be used in the electronic products, and different electronic products have different requirements on the production process of the green oil plates.
Disclosure of Invention
The invention aims to provide a production process of a green oil plate, which is complete in production process and good in quality of the produced green oil plate, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of a green oil board comprises the following steps:
A. preparing materials: preparing a material for preparing a green oil board;
B. printing the circuit board: printing the drawn circuit board by transfer printing paper;
C. cutting the copper-clad plate: manufacturing a whole-course diagram of the circuit board by using the photosensitive plate;
D. pretreating the copper-clad plate: polishing the oxide layer on the surface of the copper-clad plate by using fine sand paper;
E. transferring the circuit board: cutting the printed circuit board into a proper size, and attaching one surface printed with the circuit board to the copper-clad plate;
F. corroding the circuit board: checking whether a next circuit board is completely transferred and then corroding the circuit board;
G. drilling: selecting different drill pins to drill holes on the circuit board according to the thickness of the pins of the electronic element, and then drilling the holes on the circuit board by using a drilling machine;
H. preprocessing a circuit board: after drilling, the powdered ink coated on the circuit board is ground by fine sand paper, and the circuit board is cleaned by clean water.
Preferably, the printed circuit board is slid upward according to step B.
Preferably, the copper-clad plate is cut into the size of the circuit board according to the circuit board with the copper films coated on the front surface and the back surface of the light-sensitive plate in the step C.
Preferably, according to the step D, the oxide layer on the surface of the copper-clad plate is polished by fine sand paper, so that carbon powder on the thermal transfer paper can be firmly printed on the copper-clad plate, and the polished standard is that the plate surface is bright and has no obvious stain.
Preferably, said step E
a. After aligning, putting the copper-clad plate into a thermal transfer printing machine, and ensuring that the transfer printing paper is not misplaced when putting the copper-clad plate into the thermal transfer printing machine;
b. the thermal transfer machine is preheated in advance, the temperature is set at 160-.
Preferably, said step F
a. If a few places without good transfer printing are available, the circuit board can be repaired by a black oil pen, and then the circuit board is corroded until the exposed copper film on the circuit board is completely corroded;
b. taking out the circuit board from the corrosive liquid and cleaning;
c. the corrosive liquid comprises concentrated hydrochloric acid, concentrated hydrogen peroxide and water in a ratio of 1: 2: 3, when preparing the corrosive liquid, firstly discharging water, and then adding concentrated hydrochloric acid and concentrated hydrogen peroxide.
Preferably, the circuit board must be stable when drilling according to the step G, and the speed of the drilling machine cannot be too slow.
Preferably, after the clear water is dried according to the step G, rosin water is coated on one surface of the circuit, and the circuit board is heated by a hot air blower for 2-3 minutes to solidify the rosin.
Compared with the prior art, the invention has the beneficial effects that:
the production process of the green oil board is complete, and the produced green oil board has good quality.
Drawings
FIG. 1 is a flow chart of the production process of the green oil board of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a production process of a green oil board comprises the following steps:
A. preparing materials: preparing a material for preparing a green oil board;
B. printing the circuit board: printing the drawn circuit board by transfer printing paper;
C. cutting the copper-clad plate: manufacturing a whole-course diagram of the circuit board by using the photosensitive plate;
D. pretreating the copper-clad plate: polishing the oxide layer on the surface of the copper-clad plate by using fine sand paper;
E. transferring the circuit board: cutting the printed circuit board into a proper size, and attaching one surface printed with the circuit board to the copper-clad plate;
F. corroding the circuit board: checking whether a next circuit board is completely transferred and then corroding the circuit board;
G. drilling: selecting different drill pins to drill holes on the circuit board according to the thickness of the pins of the electronic element, and then drilling the holes on the circuit board by using a drilling machine;
H. preprocessing a circuit board: after drilling, the powdered ink coated on the circuit board is ground by fine sand paper, and the circuit board is cleaned by clean water.
Preparing a material for preparing the green oil board, printing the drawn circuit board by using transfer printing paper, and enabling the smooth surface of the printed circuit board to face upwards.
The whole process of manufacturing the circuit board by using the light-sensitive plate is illustrated, the circuit board with copper films covered on the front and back surfaces of the light-sensitive plate is cut into the size of the circuit board, and the copper-clad plate is manufactured into the circuit board.
And (3) polishing the oxide layer on the surface of the copper clad laminate by using fine sand paper, and polishing the oxide layer on the surface of the copper clad laminate by using fine sand paper, so that carbon powder on the thermal transfer paper can be firmly printed on the copper clad laminate, and the polished standard is that the surface of the copper clad laminate is bright and has no obvious stain.
Cutting the printed circuit board into a proper size, attaching the surface printed with the circuit board to a copper-clad plate, placing the copper-clad plate into a thermal transfer machine after aligning, ensuring that the transfer paper is not misplaced when placing the circuit board, preheating the thermal transfer machine in advance, setting the temperature at 160-plus-one-200 ℃, and firmly transferring the circuit board onto the copper-clad plate after placing the copper-clad plate into the thermal transfer machine.
Whether the inspection circuit board rendition is complete, then corrode the circuit board, if there is a minority not to have the good place of rendition to repair with black oily pen, then corrode the circuit board, until the copper film that exposes on the circuit board is corroded completely, take out the cleaning with the circuit board from the corrosive liquid, the composition of corrosive liquid is concentrated hydrochloric acid, concentrated hydrogen peroxide solution, water, the proportion is 1: 2: 3, when preparing the corrosive liquid, firstly discharging water, and then adding concentrated hydrochloric acid and concentrated hydrogen peroxide.
Different drill pins are selected according to the thickness of pins of the electronic component to drill holes on the circuit board, then a drilling machine is used for drilling holes on the circuit board, the circuit board must be stable during drilling, and the drilling machine cannot be opened too slowly.
Selecting different drill pins according to the thickness of pins of the electronic element to drill holes on the circuit board, then using a drilling machine to drill holes on the circuit board, after the clear water is dried, coating rosin water on one surface with the circuit, and heating the circuit board by using a hot air blower for 2-3 minutes to solidify the rosin.
In conclusion, the production process of the green oil board is complete, and the produced green oil board has good quality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The production process of the green oil board is characterized by comprising the following steps: the method comprises the following steps:
A. preparing materials: preparing a material for preparing a green oil board;
B. printing the circuit board: printing the drawn circuit board by transfer printing paper;
C. cutting the copper-clad plate: manufacturing a whole-course diagram of the circuit board by using the photosensitive plate;
D. pretreating the copper-clad plate: polishing the oxide layer on the surface of the copper-clad plate by using fine sand paper;
E. transferring the circuit board: cutting the printed circuit board into a proper size, and attaching one surface printed with the circuit board to the copper-clad plate;
F. corroding the circuit board: checking whether a next circuit board is completely transferred and then corroding the circuit board;
G. drilling: selecting different drill pins to drill holes on the circuit board according to the thickness of the pins of the electronic element, and then drilling the holes on the circuit board by using a drilling machine;
H. preprocessing a circuit board: after drilling, the powdered ink coated on the circuit board is ground by fine sand paper, and the circuit board is cleaned by clean water.
2. The process for producing a green oil sheet as claimed in claim 1, wherein: and B, sliding the printed circuit board to face upwards according to the step B.
3. The process for producing a green oil sheet as claimed in claim 1, wherein: and C, cutting the copper-clad plate into the size of the circuit board according to the circuit board with the copper films coated on the front surface and the back surface of the light-sensitive plate in the step C.
4. The process for producing a green oil sheet as claimed in claim 1, wherein: and D, polishing the oxide layer on the surface of the copper-clad plate by using fine sand paper according to the step D, so that the carbon powder on the thermal transfer paper can be firmly printed on the copper-clad plate, and the polished standard is that the plate surface is bright and has no obvious stain.
5. The process for producing a green oil sheet as claimed in claim 1, wherein: said according to step E
a. After aligning, putting the copper-clad plate into a thermal transfer printing machine, and ensuring that the transfer printing paper is not misplaced when putting the copper-clad plate into the thermal transfer printing machine;
b. the thermal transfer machine is preheated in advance, the temperature is set at 160-.
6. The process for producing a green oil sheet as claimed in claim 1, wherein: according to step F
a. If a few places without good transfer printing are available, the circuit board can be repaired by a black oil pen, and then the circuit board is corroded until the exposed copper film on the circuit board is completely corroded;
b. taking out the circuit board from the corrosive liquid and cleaning;
c. the corrosive liquid comprises concentrated hydrochloric acid, concentrated hydrogen peroxide and water in a ratio of 1: 2: 3, when preparing the corrosive liquid, firstly discharging water, and then adding concentrated hydrochloric acid and concentrated hydrogen peroxide.
7. The process for producing a green oil sheet as claimed in claim 1, wherein: and G, when drilling according to the step G, the circuit board must be stably pressed, and the speed of the drilling machine cannot be too slow.
8. The process for producing a green oil sheet as claimed in claim 1, wherein: and D, after the clear water is dried according to the step G, coating rosin water on one surface with the circuit, and heating the circuit board by using a hot air blower for 2-3 minutes to solidify the rosin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156537.9A CN112203430A (en) | 2020-10-26 | 2020-10-26 | Production process of green oil board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156537.9A CN112203430A (en) | 2020-10-26 | 2020-10-26 | Production process of green oil board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112203430A true CN112203430A (en) | 2021-01-08 |
Family
ID=74011410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011156537.9A Withdrawn CN112203430A (en) | 2020-10-26 | 2020-10-26 | Production process of green oil board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112203430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945245A (en) * | 2022-05-20 | 2022-08-26 | 深圳市优图科技有限公司 | Precision transfer printing circuit board of multi-end-head patch electronic element and production process |
-
2020
- 2020-10-26 CN CN202011156537.9A patent/CN112203430A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945245A (en) * | 2022-05-20 | 2022-08-26 | 深圳市优图科技有限公司 | Precision transfer printing circuit board of multi-end-head patch electronic element and production process |
| CN114945245B (en) * | 2022-05-20 | 2024-04-12 | 深圳市优图科技有限公司 | Precision transfer printing circuit board of multi-end surface mount electronic element and production process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210108 |