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:
Mar. 11, 2014
Filed:
Oct. 19, 2010
Markus Hammer, Pielenhofen, DE;
Guenther Ruhl, Regensburg, DE;
Andreas Strasser, Regensburg, DE;
Michael Melzl, Neutraubling, DE;
Reinhard Goellner, Regensburg, DE;
Doerthe Groteloh, Regensburg, DE;
Markus Hammer, Pielenhofen, DE;
Guenther Ruhl, Regensburg, DE;
Andreas Strasser, Regensburg, DE;
Michael Melzl, Neutraubling, DE;
Reinhard Goellner, Regensburg, DE;
Doerthe Groteloh, Regensburg, DE;
Infineon Technologies AG, Neubiberg, DE;
Abstract
An integrated circuit includes a substrate. A surface region of the substrate includes a contact pad region. A passivation layer stack includes at least one passivation layer. The passivation layer stack is formed over the surface region and adjacent to the contact pad region. An upper portion of the passivation layer stack is removed in, in a portion of the passivation layer stack proximate the contact pad region.