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:
Jun. 26, 2001
Filed:
May. 19, 1998
Applicant:
Inventors:
Franck Duclos, Tours, FR;
Fabien Rami, Fondettes, FR;
Assignee:
SGS-Thomson Microelectronics S.A., Gentilly, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/974 ;
U.S. Cl.
CPC ...
H01L 2/974 ;
Abstract
The present invention relates to an isolating wall for separating elementary components formed in different wells, a component located in at least one of the wells being capable of operating with a high current density. The isolating wall exhibits in its median portion a concentration of carriers higher than 10,atoms/cm,. Preferably, the width of the openings from which the dopant diffusions are formed in the upper and lower surfaces of the substrate is higher than 1.3 times the half-thickness of the substrate.