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:
Jul. 12, 2022
Filed:
Sep. 10, 2020
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Heimanu Niebojewski, Grenoble, FR;
Abstract
A method for manufacturing a mixed substrate having, on a main face of a support substrate, a first region and a second region, includes a) providing a starting substrate which comprises an intermediate layer, consisting of the second material, and the support substrate; b) forming a mask which comprises an aperture delimiting the first region; c) forming a cavity; and d) forming the first region by epitaxially growing the first material in a single crystal form in the cavity The method includes step c1), performed before step d), of forming a protective layer, made of an amorphous material, overlaying the flank of the cavity and leaving the bottom of said cavity exposed to the external environment.