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:
Aug. 16, 2022
Filed:
Mar. 19, 2021
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Kazuyuki Hozawa, Tokyo, JP;
Taiichi Takezaki, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/24 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14661 (2013.01); G01T 1/247 (2013.01); H01L 27/1469 (2013.01); H01L 27/14636 (2013.01);
Abstract
A technique capable of improving a performance of a semiconductor detector is provided. The semiconductor detector is made based on injection of an underfill into a gap between a first semiconductor chip and a second semiconductor chip in a flip-chip connection state, but the underfill is not formed in periphery of a connection structure connecting a reading electrode pad and a gate terminal through a bump electrode.