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:
Oct. 27, 1992
Filed:
Sep. 03, 1991
Applicant:
Inventors:
Kathleen L Covert, Kirkwood, NY (US);
Charles C Emmons, Endicott, NY (US);
Elizabeth Foster, Friendsville, PA (US);
Richard W Malek, Johnson City, NY (US);
Voya R Markovich, Endwell, NY (US);
Stephen L Tisdale, Vestal, NY (US);
Charyl L Tytran, Vestal, NY (US);
Assignee:
International Business Machines, Inc., Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; C23F / ;
U.S. Cl.
CPC ...
156645 ; 156656 ; 1566591 ; 1566611 ; 156666 ; 156902 ;
Abstract
A strippable thin film of Cu is applied above the surface features of a microelectronic circuit package to protect the features during mechanical working, for example drilling, the panel. The thin film is then stripped off of the panel. The thin film may be stripped off of the panel either prior to or after circuitization.