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. 02, 2001
Filed:
Oct. 29, 1999
Applicant:
Inventors:
Nicolas Changey, Montigny-le-Roi, FR;
Alain Petitbon, Arnoult-en-Yvelines, FR;
Sophie Crouzy, Bures-sur-Yvette, FR;
Eric Ranchy, Villejuif, FR;
Assignee:
Alstom Holdings, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/1332 ;
U.S. Cl.
CPC ...
H01L 2/1332 ;
Abstract
This method of electrically connecting insulated-gate bipolar transistor chips mounted on an integrated-circuit wafer (,), consists in welding the collector, emitter and gate-control electrodes (,) to corresponding connection locations (,) of the chips. At least some of the emitter electrodes (,) are made in a single piece in the form of a plate (,) of electrically conducting material which, on one of its large faces, has protruding parts which define connection pads that are welded to the corresponding connection locations.