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. 30, 2012
Filed:
Jun. 08, 2010
Timothy H. Daubenspeck, Colchester, VT (US);
Ekta Misra, Fishkill, NY (US);
Marie-claude Paquet, Bromont, CA (US);
Francis Santerre, Chambly, CA (US);
Wolfgang Sauter, Hinesburg, VT (US);
Timothy H. Daubenspeck, Colchester, VT (US);
Ekta Misra, Fishkill, NY (US);
Marie-Claude Paquet, Bromont, CA (US);
Francis Santerre, Chambly, CA (US);
Wolfgang Sauter, Hinesburg, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Embodiments of the invention provide a semiconductor chip having a passivation layer extending along a surface of a semiconductor substrate to an edge of the semiconductor substrate, and methods for their formation. One aspect of the invention provides a semiconductor chip comprising: a semiconductor substrate; a passivation layer including a photosensitive polyimide disposed along a surface of the semiconductor substrate and extending to at least one edge of the semiconductor substrate; and a channel extending through the passivation layer to the surface of the semiconductor substrate.