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:
Jan. 17, 2023
Filed:
Jan. 23, 2019
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventors:
Stephan Borel, Crolles, FR;
Lucas Duperrex, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 21/768 (2006.01); H01L 23/48 (2006.01); G01N 21/95 (2006.01);
U.S. Cl.
CPC ...
H01L 23/573 (2013.01); G01N 21/9505 (2013.01); H01L 21/76802 (2013.01); H01L 23/481 (2013.01);
Abstract
An electronic chip includes at least an electronic circuit disposed on a front face of a substrate; and an embrittlement structure comprising at least blind holes, each extending through a rear face of the substrate and a portion of the thickness of the substrate and each having a section, in a plane parallel to the rear face of the substrate, of surface area S and having a closed outer contour, the shape of which includes at least one radius of curvature R, such that S>π·R.