Method for cleaning printed circuit boards

Details Method for cleaning printed circuit boards Method for cleaning printed circuit boards

1996-02-26

1998-03-31

Warden, Jill

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 34, 134 42, B08B 704

Patent

active

057333785

ABSTRACT:
The invention is of a methodology for cleaning electronic components, particularly of contaminants which remain after soldering of printed circuit boards. The novel methodology uses a uniquely effective, and heretofore unused solvent which is environmentally benign, lends itself to serving as a measurable indicator of board cleanliness as it cleans, and can be, according to the methodology, regenerated to conserve solvent.

REFERENCES:
patent: 3551204 (1970-12-01), Bolger et al.
patent: 3930879 (1976-01-01), Erickson et al.
patent: 4017343 (1977-04-01), Haas
patent: 4201664 (1980-05-01), Hekal
patent: 4592787 (1986-06-01), Johnson
patent: 5164093 (1992-11-01), Chilton et al.
patent: 5339844 (1994-08-01), Stanford, Jr. et al.
patent: 5486314 (1996-01-01), Wack et al.
patent: 5571420 (1996-11-01), Creeron et al.

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