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:
May. 06, 2014
Filed:
Apr. 25, 2012
Applicants:
Laurent Gay, Le Cheylas, FR;
Francois Guyader, Montbonnot, FR;
Frederic Diette, Bernin, FR;
Inventors:
Assignees:
STMicroelectronics S.A., Montrouge, FR;
STMicroelectronics (Crolles 2) SAS, Crolles, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01); H01L 23/52 (2006.01); H01L 23/043 (2006.01); H01L 23/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Microelectronic chip including a semiconductor substrate; at least one area of its surface which is suitable to be electrically connected to a metal frame designed to accommodate the chip; at least one interconnect area formed by a copper-based conductive layer and comprising a connecting device, the interconnect area being connected to the area by a conductor, wherein the area is formed by a layer forming a copper diffusion barrier inserted between interconnect area and the substrate.