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:
Apr. 01, 1997
Filed:
May. 31, 1994
Applicant:
Inventors:
Roy L Arldt, Georgetown, TX (US);
Susan H Downey, Austin, TX (US);
Harry J Golden, Austin, TX (US);
Issa S Mahmoud, Apalachin, NY (US);
Clement A Okoro, Round Rock, TX (US);
James Spalik, Kirkwood, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; B23K / ;
U.S. Cl.
CPC ...
228223 ; 427 96 ; 22818021 ; 29840 ; 106311 ; 361743 ; 361767 ; 361808 ; 148 25 ;
Abstract
A new flux composition, as well as corresponding methods for soldering electronic components to printed circuit boards, is disclosed. The new flux composition includes pimelic acid and two organic solvents. Significantly, the new flux composition leaves essentially no ionic residues at the completion of the soldering processes used to mount electronic components onto printed circuit boards.