Method of removing sealant used for the protection of...

Details Method of removing sealant used for the protection of... Method of removing sealant used for the protection of...

2006-08-01

2006-08-01

Carrillo, Sharidan (Department: 1746)

Cleaning and liquid contact with solids

Processes

Miscellaneous

C134S002000, C134S040000

Reexamination Certificate

active

07083684

ABSTRACT:
A sealant used for the protection of an electric or electronic part is removed by contacting the sealant with tetramethylammonium hydroxide, tetrabutylammonium fluoride or the like for thereby dissolving the sealant. The method is capable of removing only the protective sealant from the electric or electronic part without causing damage to other components of the part.

REFERENCES:
patent: 4089704 (1978-05-01), Heiss et al.
patent: 5747624 (1998-05-01), Rubinsztajn et al.
patent: 5965240 (1999-10-01), Blackburn et al.
patent: 6652665 (2003-11-01), Sachdev et al.
patent: 2002/0000239 (2002-01-01), Sachdev et al.
patent: 2001-72772 (1999-03-01), None
patent: 11-116685 (1999-04-01), None
patent: 11-181288 (1999-07-01), None

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