COMPOSITION FOR PRINTED CIRCUIT BOARD FINISH WASHING Russian patent published in 2011 - IPC C09D9/00 C09D5/14 C11D3/44

Abstract RU 2417240 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in designing radio-electronic equipment for operation in high humidity and biological contamination conditions, particularly to printed circuit board finish washing. The composition contains 98.5-99.75 wt % alcohol-nefras mixture and 0.25-1.50 wt % biocidal additive. The ratio of ethyl alcohol and nefras in the mixture is 50% ethyl alcohol and 50% nefras.

EFFECT: invention endows printed circuit boards with resistance to biological contamination.

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RU 2 417 240 C2

Authors

Slushkov Aleksandr Mikhajlovich

Malov Valerij Gennad'Evich

Dates

2011-04-27—Published

2009-06-29—Filed