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:
Nov. 23, 2004
Filed:
May. 14, 2002
Applicant:
Inventors:
Michel Varrot, Bernin, FR;
Guillaume Bouche, Grenoble, FR;
Roberto Gonella, Meylan, FR;
Eric Sabouret, Grenoble, FR;
Assignee:
STMicroelectronics SA, Montrouge, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/3485 ;
U.S. Cl.
CPC ...
H01L 2/3485 ;
Abstract
Each connecting pad includes a continuous top metal layer on the top metallization level and having on its top face an area for welding a connecting wire. Also, the pad has a reinforcing structure under the welding area and includes at least one discontinuous metal layer on the immediately next lower metallization level, metal vias connecting the discontinuous metal layer to the bottom surface of the top metal layer, and an isolating cover covering the discontinuous metal layer and its discontinuities as well as the inter-via spaces between the two metallic layers.