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:
Sep. 02, 2025
Filed:
Jan. 12, 2023
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Brigitte Soulier, Grenoble, FR;
Frédéric Voiron, Barraux, FR;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/33 (2006.01); C25D 11/02 (2006.01); C25D 11/04 (2006.01); H10D 1/00 (2025.01); H10D 1/68 (2025.01); H01G 4/10 (2006.01);
U.S. Cl.
CPC ...
H01G 4/33 (2013.01); C25D 11/022 (2013.01); C25D 11/045 (2013.01); H10D 1/043 (2025.01); H10D 1/716 (2025.01); H01G 4/10 (2013.01);
Abstract
An electrical device that includes: a metal barrier layer; an anodic porous oxide region on the metal barrier layer; a trench around the anodic porous oxide region reaching the metal barrier layer; a liner at least on a wall of the trench on a side of the anodic porous oxide region forming an electrical isolation barrier and having an opening onto the anodic porous oxide region; a hard mask arranged above the trenches and the liner having an opening onto the anodic porous oxide region. A corresponding manufacturing method is also disclosed.