The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 1993
Filed:
Apr. 13, 1992
Applicant:
Inventor:
Treliant Fang, Lawrenceville, NJ (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; B29C / ; C23F / ;
U.S. Cl.
CPC ...
1566591 ; 156655 ; 156656 ; 156668 ; 156904 ; 252 791 ; 430329 ;
Abstract
A bath (19) for stripping a cured electrophoretic resist coating (13) consists of a mixture comprising 0.2-50% of a fluoro-containing acetic acid, less than one percent corrosion inhibitors, and 50-99.8% of an amide solvent, preferably a cyclic amide. The amide solvent is preferably N-methylpyrrolidone, and the acid is preferably trifluoroacetic acid.