| 发明名称 |
METHOD FOR MOISTURE PROTECTION OF PRINTED-CIRCUIT BOARDS CARRYING ADD-ON COMPONENTS |
| 摘要 |
FIELD: electrical engineering; printed-circuit board manufacture. ^ SUBSTANCE: novelty is that prior-art method involving cleaning of current-conducting components and degreasing after application of moisture-resistant coating includes in addition immersion of degreased board in solution incorporating cyclohexyl amine and synthetic aliphatic acids with carbon atom number C10-C13 or C17-C20 of 0.5 mass percent, which is brought to boiling point in trifluorotrichloroethane and held in boiling solution for 20-30 minutes. ^ EFFECT: facilitated procedure, enhanced reliability of printed-circuit boards. ^ 1 cl |
| 申请公布号 |
RU1840454(C) |
申请公布日期 |
2007.03.20 |
| 申请号 |
SU19873176968 |
申请日期 |
1987.06.29 |
| 申请人 |
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发明人 |
MAKSIMOV BORIS NIKOLAEVICH;RJABININ NIKOLAJ ALEKSANDROVICH;SAPGIR ELENA VENIAMINOVNA;GORBUNOV VALERIJ ARKAD'EVICH;RASSKAZOV IGOR' DMITRIEVICH;SOKOLOVA MAJJA EVSEEVNA;OVSJANNIKOVA ALLA ANATOL'EVNA;IRISOVA ELENA VALENTINOVNA;RYLEEVA NATALIJA ALEKSANDROVNA;VERSHILOV SERGEJ VJACHESLAVOVICH;MUNGALOV VALERIJ EVGEN'EVICH;DANILIN JURIJ IVANOVICH;IVANENKOV ANATOLIJ GEORGIEVICH;GANKIN EFIM ABRAMOVICH |
| 分类号 |
H05K3/00 |
主分类号 |
H05K3/00 |
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