CN101287337A - Circuit board protecting method and used protection solution - Google Patents
Circuit board protecting method and used protection solution Download PDFInfo
- Publication number
- CN101287337A CN101287337A CNA2008103019396A CN200810301939A CN101287337A CN 101287337 A CN101287337 A CN 101287337A CN A2008103019396 A CNA2008103019396 A CN A2008103019396A CN 200810301939 A CN200810301939 A CN 200810301939A CN 101287337 A CN101287337 A CN 101287337A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- solution
- rosin
- protecting method
- banana oil
- 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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Abstract
The invention discloses a circuit board protection method and a protecting solution adopted by the protection method, wherein, the surface of the circuit board is coated with the insulating substance solution having antisepsis performance and humidity resistance, and then dried with dry and hot wind to cause the solvent of the solution to be vaporized, thereby the solute of the solution forms a layer of an insulating film with the antisepsis performance and humidity resistance on the surface of the circuit board so as to prolong the service life of the circuit board. Furthermore, the invention has simple usage method and easy product configuration, low cost and good usage result.
Description
Technical field
The present invention relates to a kind of circuit maintaining method and instrument, especially relate to a kind of circuit board protecting method and used protection solution.
Background technology
At present, circuit board can be subjected to the influence of materials such as dust contained in the air, oil smoke and carbon monoxide under different environments for use.Dust and oil smoke savings because it contains the water of trace, will cause circuit board surface slight conduction to occur, and electronic component is damaged when circuit board surface; Electronic component great majority on the circuit board are to adopt copper or iron as circuit and accessory pin, carbon monoxide has stronger corrosiveness to copper and iron, and under the effect of carbon monoxide, the electronic component spoilage is than higher, so circuit board is subjected under the situation of environmental impact, useful life is not long.
Summary of the invention:
The objective of the invention is: a kind of circuit board protecting method and used protection solution are provided, and its electronic component on can the protective circuit plate reduces the influence of environment, improves its useful life, to overcome the deficiencies in the prior art.
The present invention is achieved in that circuit board protecting method; apply earlier the solution of megohmite insulant with anticorrosion, humidity resistance at circuit board surface; use dry hot blast drying again, make the solvent evaporates of solution, its solute forms anticorrosion, the moistureproof dielectric film of one deck at circuit board surface.
Described with dry hot blast drying, be with 35～45 ℃ dry heat wind circuit board surface 20～30 minutes.
The circuit board protection solution that circuit board protecting method adopted, it comprises rosin and banana oil, at normal temperatures rosin is joined in the banana oil, is stirred to rosin and is dissolved in the banana oil fully.
Best is rosin and banana oil is the set of dispense ratio by weight, and its ratio is 1: 3.
Banana oil has another name called Tianna solution, and main component is a dimethylbenzene, is the volatile liquid of a kind of water white transparency, can be dissolved in various organic solvents; Rosin is that the inner oil that flows out of pine tree trunk becomes watery through high temperature melting, becomes blocks of solid after dry and hard, and its color is sallow dark red, the scaling powder when being mainly used in the electronic circuit welding.Because at normal temperatures, rosin is solid matter, it can not be coated in circuit board surface usually, even rosin is arranged once in a while helping postwelding to remain on the circuit board, also it can be removed.But the present invention is dissolved rosin with banana oil, and utilizes the effumability of banana oil, makes rosin form film like structures in banana oil volatilization back, covers circuit board surface, circuit board is played anticorrosion, moistureproof, and the effect of insulation.
Owing to adopted technique scheme, compared with prior art, the present invention adopts simple painting way, the solution that will have the megohmite insulant of anticorrosion, humidity resistance is coated in circuit board surface, and make the solute after the solvent evaporates form one deck dielectric film at circuit board surface, to improve the useful life of circuit board; And using method of the present invention is simple, and the product configuration easily, and is with low cost, has good result of use.
Embodiment
Embodiments of the invention 1: circuit board protecting method; elder generation is anticorrosion with being stained with, the brush of the solution of the megohmite insulant of humidity resistance; brush at circuit board surface; be set to 40 ℃ hair dryer again with temperature; circuit board surface was blown 25 minutes; make the solvent evaporates of solution, make its solute form anticorrosion, the moistureproof dielectric film of one deck at circuit board surface.
Circuit board protection solution, it comprises rosin and banana oil, and rosin and banana oil is the set of dispense ratio by weight, and its ratio is 1: 3, at normal temperatures rosin is joined in the banana oil, is stirred to rosin and is dissolved in the banana oil fully.
Claims (4)
1. circuit board protecting method; it is characterized in that: the solution that applies earlier megohmite insulant with anticorrosion, humidity resistance at circuit board surface; use dry hot blast drying again, make the solvent evaporates of solution, its solute forms anticorrosion, the moistureproof dielectric film of one deck at circuit board surface.
2. circuit board protecting method according to claim 1 is characterized in that: described with dry hot blast drying, and be with 35～45 ℃ dry heat wind circuit board surface 20～30 minutes.
3. the circuit board that circuit board protecting method as claimed in claim 1 adopted is protected solution, and it is characterized in that: it comprises rosin and banana oil, at normal temperatures rosin is joined in the banana oil, is stirred to rosin and is dissolved in the banana oil fully.
4. circuit board according to claim 3 protection solution is characterized in that: rosin and banana oil is the set of dispense ratio by weight, and its ratio is 1: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103019396A CN101287337A (en) | 2008-06-03 | 2008-06-03 | Circuit board protecting method and used protection solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103019396A CN101287337A (en) | 2008-06-03 | 2008-06-03 | Circuit board protecting method and used protection solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101287337A true CN101287337A (en) | 2008-10-15 |
Family
ID=40059223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008103019396A Pending CN101287337A (en) | 2008-06-03 | 2008-06-03 | Circuit board protecting method and used protection solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101287337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415140A (en) * | 2013-08-06 | 2013-11-27 | 鑫茂电子（昆山）有限公司 | Novel circuit board |
-
2008
- 2008-06-03 CN CNA2008103019396A patent/CN101287337A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415140A (en) * | 2013-08-06 | 2013-11-27 | 鑫茂电子（昆山）有限公司 | Novel circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081015 |