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:
May. 12, 2026
Filed:
Aug. 31, 2020
Azur Space Solar Power Gmbh, Heilbronn, DE;
Alexander Frey, Heilbronn, DE;
Azur Space Solar Power GmbH, Heilbronn, DE;
Abstract
A passivation method for a passage opening of a wafer, at least having the steps of: providing a wafer having a top, a bottom and comprising a plurality of solar cell stacks, wherein each solar cell stack has a Ge substrate that forms the bottom of the wafer, a Ge sub-cell, at least two III-V sub-cells, in the named order, and at least one passage opening extending from the top to the bottom of the wafer, with a contiguous side wall and a circumference that is oval in cross section, and applying a dielectric insulating layer by means of chemical vapor deposition to the top of the wafer, the bottom of the wafer and the side wall of the passage opening.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile