CN109725505A - A kind of printed wiring board developer solution and preparation method thereof - Google Patents
A kind of printed wiring board developer solution and preparation method thereof Download PDFInfo
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- CN109725505A CN109725505A CN201910145671.XA CN201910145671A CN109725505A CN 109725505 A CN109725505 A CN 109725505A CN 201910145671 A CN201910145671 A CN 201910145671A CN 109725505 A CN109725505 A CN 109725505A
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- developer solution
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Abstract
The present invention relates to the technical fields of dry film development can shorten development and expend the time, improve development effect, while can reduce the usage amount of clear slot agent, the cylinder period is changed in extension more particularly to a kind of printed wiring board developer solution and preparation method thereof；A kind of printed wiring board developer solution of the invention, the raw material including following ratio: potassium carbonate 0.5-0.7%；Sodium carbonate 1.3-1.5%；Acrylic acid sylvite 0.1-0.5%；Sodium alginate 0.2-0.4%；Defoaming agent 0.5-1.0%；Deionized water surplus；Preparation method, comprising the following steps: (1) incorporated in deionized water after mixing sodium carbonate and potassium carbonate, being stirred dissolves sodium carbonate and potassium carbonate sufficiently；(2) acrylic acid sylvite and sodium alginate are added into mixed solution obtained in step (1), and stirred and evenly mixed；(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity；(4) defoaming agent is added into the mixed liquor after adjusting pH and is uniformly mixed, obtains developer solution.
Description
Technical field
The present invention relates to the technical fields of dry film development, more particularly to a kind of printed wiring board developer solution and its preparation
Method.
Background technique
Printed circuit board, i.e. PCB circuit board, also known as printed circuit board are the suppliers of electronic component electrical connection, show
Shadow is the essential step of printed circuit board in process of production, is related to for circuit diagram being transferred in PCB copper-clad plate, in development
Circuit diagram is printed upon on transparent film paper first, PCB copper-clad plate is cut to suitable size, and on PCB copper-clad plate surface
Photosensitive dry film is covered, film paper is overlayed on into PCB copper-clad plate surface and carries out photosensitive processing under quartz burner irradiation, and will sense
The good PCB copper-clad plate of light is immersed in developer solution, and the transfer of line map can be realized, and traditional developer solution is 2% frequently with concentration
Aqueous sodium carbonate carry out development treatment, but existing sodium carbonate liquor developer in use, its development expend time compared with
It is long, and its development effect is poor, while it needs that a large amount of clear slot agent is cooperated to be used together when in use, and needs frequent
It carries out changing cylinder.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can shorten the development consuming time, development effect is improved, together
When can reduce the usage amount of clear slot agent, the printed wiring board developer solution in cylinder period and preparation method thereof is changed in extension.
A kind of printed wiring board developer solution of the invention, the raw material including following ratio:
Potassium carbonate 0.5-0.7%；
Sodium carbonate 1.3-1.5%；
Acrylic acid sylvite 0.1-0.5%；
Sodium alginate 0.2-0.4%；
Defoaming agent 0.5-1.0%；
Deionized water surplus.
A kind of a kind of printed wiring board developer solution of the invention, it is preferred that the raw material including ratio:
Potassium carbonate 0.57-0.62%；
Sodium carbonate 1.38-1.43%；
Acrylic acid sylvite 0.2-0.3%；
Sodium alginate 0.28-0.32%；
Defoaming agent 0.7-0.8%；
Deionized water surplus.
A kind of printed wiring board developer solution of the invention, the defoaming agent are n-butanol.
A kind of preparation method of printed wiring board developer solution of the invention, comprising the following steps:
(1) it is incorporated in deionized water after mixing sodium carbonate and potassium carbonate, being stirred keeps sodium carbonate and potassium carbonate abundant
Dissolution；
(2) acrylic acid sylvite and sodium alginate are added into mixed solution obtained in step (1), and stirred and evenly mixed；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity；
(4) defoaming agent is added into the mixed liquor after adjusting pH and is uniformly mixed, developer solution is obtained after filtering.
A kind of preparation method of printed wiring board developer solution of the invention, mixing of the step (1) into step (4)
Temperature is 30 DEG C ± 3 DEG C.
A kind of preparation method of printed wiring board developer solution of the invention is stirred revolving speed in the step (2)
For 60-70r/min, the revolving speed that stirs and evenly mixs in the step (3) is 40-50r/min, being stirred in the step (4)
Revolving speed is 30-40r/min.
A kind of preparation method of printed wiring board developer solution of the invention, regulating step (3) obtains in the step (3)
Mixed liquor pH value to pH=8-9.
Compared with prior art the invention has the benefit that compared to for the sodium carbonate developer solution of transmission, the present invention
A kind of printed wiring board use developer solution using sodium carbonate and potassium carbonate as development host agent, and add acrylic acid sylvite, alginic acid
As adjuvant, the stability of developer entirety is can be improved in sodium alginate and acrylic acid sylvite for sodium and defoaming agent, is mixed and is adopted
When the developer solution obtained after being diluted with deionized water carries out development treatment to printed wiring board under alkaline condition, can obviously it contract
Short development expends the time, and development effect can be improved, simultaneously because the present invention adopts with the neat degree of route after development treatment
It is formulated with a variety of good raw materials of water solubility, can adequately reduce the usage amount of clear slot agent, after using 2 months, slot
Body is integrally clean, and cleannes are good, does not need to change the cylinder period so as to extend, and then can save and change cylinder using clear slot agent
Period improves production capacity.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
Embodiment 1
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.3% sodium carbonate and 0.5%, 60-70r/min's
Being stirred under revolving speed dissolves sodium carbonate and potassium carbonate sufficiently, and mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.1% acrylic acid sylvite and 0.2% sodium alginate are added to mixed solution obtained in step (1)
In, and stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.5% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 2
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.34% sodium carbonate and 0.53%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.15% acrylic acid sylvite and 0.24% sodium alginate are added molten to mixing obtained in step (1)
It in liquid, and is stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.6% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 3
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.38% sodium carbonate and 0.57%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.2% acrylic acid sylvite and 0.28% sodium alginate are added to mixed solution obtained in step (1)
In, and stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.7% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 4
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.40% sodium carbonate and 0.60%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.25% acrylic acid sylvite and 0.30% sodium alginate are added molten to mixing obtained in step (1)
It in liquid, and is stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.75% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 5
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.43% sodium carbonate and 0.62%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.3% acrylic acid sylvite and 0.32% sodium alginate are added to mixed solution obtained in step (1)
In, and stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.8% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 6
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.47% sodium carbonate and 0.66%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.4% acrylic acid sylvite and 0.8% sodium alginate are added to mixed solution obtained in step (1)
In, and stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.9% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Embodiment 7
A kind of preparation method of printed wiring board developer solution, comprising the following steps:
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.5% sodium carbonate and 0.7%, 60-70r/min's
Being stirred under revolving speed dissolves sodium carbonate and potassium carbonate sufficiently, and mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.5% acrylic acid sylvite and 0.4% sodium alginate are added to mixed solution obtained in step (1)
In, and stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 1.0% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Comparative example 1
(1) 2.0% sodium carbonate is incorporated in deionized water, being stirred under the revolving speed of 60-70r/min makes sodium carbonate
It is sufficiently dissolved with potassium carbonate, mixing temperature is 30 DEG C ± 3 DEG C；
(2) 0.25% acrylic acid sylvite and 0.30% sodium alginate are added molten to mixing obtained in step (1)
It in liquid, and is stirred and evenly mixed under the revolving speed of 40-50r/min, mixing temperature is 30 DEG C ± 3 DEG C；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(4) 0.75% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
Comparative example 2
(1) it is incorporated in deionized water after mixing the potassium carbonate of 1.40% sodium carbonate and 0.60%, in 60-70r/min
Revolving speed under be stirred and dissolve sodium carbonate and potassium carbonate sufficiently, mixing temperature is 30 DEG C ± 3 DEG C；
(2) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity, mixing temperature is to pH=8-9
30℃±3℃；
(3) 0.75% n-butanol is added into the mixed liquor after adjusting pH and is stirred under the revolving speed of 30-40r/min mixed
It closes uniformly, developer solution is obtained after filtering, mixing temperature is 30 DEG C ± 3 DEG C.
The developer solution that above-described embodiment and comparative example are prepared is used for the development treatment of printed wiring board, by circuit diagram
It is printed upon on transparent film paper, PCB copper-clad plate is cut to suitable size, and cover photosensitive dry film on PCB copper-clad plate surface,
Film paper is overlayed on into PCB copper-clad plate surface and carries out photosensitive processing under quartz burner irradiation, and photosensitive good PCB is covered into copper
Plate immerses in developer solution, and the transfer of line map can be realized, detected to obtain following data to the product obtained after development:
Soft board is anti-welding, and due to being using first, butter into having slight greasy dirt inside board slot groove body, groove body is integrally clean, after
Very clean in 2,3 slots in face, no greasy dirt adheres to cell wall, now using developer solution 2 months it is not necessary at the clear slot agent that develop
Reason；
The anti-welding aspect of hardboard, there are different anti-solder pastes by client, and hardboard is anti-welding at present uses the time 2 months, observe slot
Body cleaning does not need to go to handle using clear slot agent of developing, and sees the developer solution of addition potassium carbonate in the cleanliness side of groove body from this point
Face is better than sodium carbonate developer solution.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of printed wiring board developer solution, which is characterized in that the raw material including following ratio:
Potassium carbonate 0.5-0.7%；
Sodium carbonate 1.3-1.5%；
Acrylic acid sylvite 0.1-0.5%；
Sodium alginate 0.2-0.4%；
Defoaming agent 0.5-1.0%；
Deionized water surplus.
2. a kind of printed wiring board developer solution as described in claim 1, which is characterized in that it is preferred, including a kind of ratio
Raw material:
Potassium carbonate 0.57-0.62%；
Sodium carbonate 1.38-1.43%；
Acrylic acid sylvite 0.2-0.3%；
Sodium alginate 0.28-0.32%；
Defoaming agent 0.7-0.8%；
Deionized water surplus.
3. a kind of printed wiring board developer solution as described in any one of claim 1 and 2, which is characterized in that the defoaming
Agent is n-butanol.
4. a kind of preparation method of printed wiring board developer solution, which comprises the following steps:
(1) it is incorporated in deionized water after mixing sodium carbonate and potassium carbonate, being stirred dissolves sodium carbonate and potassium carbonate sufficiently；
(2) acrylic acid sylvite and sodium alginate are added into mixed solution obtained in step (1), and stirred and evenly mixed；
(3) pH value for the mixed liquor that regulating step (3) obtains makes mixed liquor in alkalinity；
(4) defoaming agent is added into the mixed liquor after adjusting pH and is uniformly mixed, developer solution is obtained after filtering.
5. a kind of preparation method of printed wiring board developer solution as claimed in claim 4, which is characterized in that the step
(1) mixing temperature into step (4) is 30 DEG C ± 3 DEG C.
6. a kind of preparation method of printed wiring board developer solution as claimed in claim 4, which is characterized in that the step
(2) revolving speed that is stirred in is 60-70r/min, and the revolving speed that stirs and evenly mixs in the step (3) is 40-50r/min, described
The revolving speed that is stirred in step (4) is 30-40r/min.
7. a kind of preparation method of printed wiring board developer solution as claimed in claim 4, which is characterized in that the step
(3) pH value for the mixed liquor that regulating step (3) obtains in is to pH=8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145671.XA CN109725505A (en) | 2019-02-27 | 2019-02-27 | A kind of printed wiring board developer solution and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145671.XA CN109725505A (en) | 2019-02-27 | 2019-02-27 | A kind of printed wiring board developer solution and preparation method thereof |
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| CN109725505A true CN109725505A (en) | 2019-05-07 |
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ID=66300733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910145671.XA Pending CN109725505A (en) | 2019-02-27 | 2019-02-27 | A kind of printed wiring board developer solution and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101133366A (en) * | 2005-04-22 | 2008-02-27 | 东京应化工业株式会社 | Developer composition, process for producing the same, and method of forming resist pattern |
| CN103207544A (en) * | 2012-01-13 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Dry film development process |
| CN105589304A (en) * | 2016-03-04 | 2016-05-18 | 苏州晶瑞化学股份有限公司 | Developing liquid for photoresist as well as preparation method and application thereof |
| CN107340693A (en) * | 2017-09-04 | 2017-11-10 | 惠州威尔高电子有限公司 | A kind of dry film developer solution for printed circuit board and preparation method thereof |
-
2019
- 2019-02-27 CN CN201910145671.XA patent/CN109725505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101133366A (en) * | 2005-04-22 | 2008-02-27 | 东京应化工业株式会社 | Developer composition, process for producing the same, and method of forming resist pattern |
| CN103207544A (en) * | 2012-01-13 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Dry film development process |
| CN105589304A (en) * | 2016-03-04 | 2016-05-18 | 苏州晶瑞化学股份有限公司 | Developing liquid for photoresist as well as preparation method and application thereof |
| CN107340693A (en) * | 2017-09-04 | 2017-11-10 | 惠州威尔高电子有限公司 | A kind of dry film developer solution for printed circuit board and preparation method thereof |
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Application publication date: 20190507 |