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:
Oct. 06, 2020
Filed:
Dec. 22, 2017
Applicant:
Aledia, Grenoble, FR;
Inventor:
Eric Pourquier, Grenoble, FR;
Assignee:
ALEDIA, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/24 (2010.01);
U.S. Cl.
CPC ...
H01L 33/0093 (2020.05); H01L 33/007 (2013.01); H01L 33/24 (2013.01);
Abstract
The invention relates to a method for manufacturing an optoelectronic device (), comprising the following steps: a) providing a growth substrate () made from a semiconductor material; b) forming a plurality of diodes () each comprising a lower face (); c) removing at least a portion () of the substrate so as to free the lower face (); wherein: step a) involves producing a lower part and an upper part of the substrate, the upper part () having a uniform thickness (e) and a level of doping less than that of the lower part; step c) involving removal of the lower part () by selective chemical etching with respect to the upper part ().