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. 17, 2025
Filed:
Mar. 16, 2021
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Soitec, Bernin, FR;
François-Xavier Darras, Apprieu, FR;
Vincent Larrey, Grenoble, FR;
Commissariat A L'énergie Atomique Et Aux Énergies Alternatives, Paris, FR;
Soitec, Bernin, FR;
Abstract
A detachable structure comprises at least two interfaces including an assembly interface and a favored-detachment interface, a receiver substrate, and a donor substrate comprising a working layer that is to be transferred, arranged on an initial substrate. The favored-detachment interface is situated between the working layer and the initial substrate, and the assembly interface is situated between the working layer and the receiver substrate. The assembly interface has an assembly-interruption zone comprising at least one cavity present in the receiver substrate or in the working layer, and the assembly-interruption zone is located in a peripheral region of the detachable structure.