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:
Sep. 21, 2021
Filed:
Jan. 10, 2018
Applicant:
Soitec, Bernin, FR;
Inventors:
Walter Schwarzenbach, Saint Nazaire les Eymes, FR;
Oleg Kononchuk, Theys, FR;
Ludovic Ecarnot, Grenoble, FR;
Christelle Michau, Bernin, FR;
Assignee:
Soitec, Bernin, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14643 (2013.01); H01L 27/1203 (2013.01); H01L 27/14629 (2013.01); H01L 27/14683 (2013.01);
Abstract
A substrate for a front-side-type image sensor includes, successively, a supporting semiconductor substrate, an electrically insulating layer, and a semiconductor layer, known as the active layer. The active layer is an epitaxial layer of silicon-germanium having a germanium content of less than 10%. The disclosure also relates to a method for the production of such a substrate.