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. 20, 2021
Filed:
Jan. 31, 2020
Applicant:
Ablic Inc., Chiba, JP;
Inventor:
Koji Tsukagoshi, Chiba, JP;
Assignee:
ABLIC INC., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0203 (2014.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/0203 (2013.01); H01L 31/18 (2013.01);
Abstract
An optical sensor device has an optical semiconductor element fixed into a recessed portion of a base portion, and a pad portion of the optical semiconductor element is electrically connected to a lead portion of the base portion. On an upper surface of a protruding portion provided in an outer region of the base portion, a metallization layer having notch portions, a metal bonding layer, a metallization layer having notch portions, and a lid portion are provided. Through use of the metallization layers and the metal bonding layer, the lid portion can be hermetically bonded to the base portion.