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. 26, 2022
Filed:
Aug. 21, 2019
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventor:
Toru Shiragami, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/48 (2010.01); H01L 31/0203 (2014.01);
U.S. Cl.
CPC ...
H01L 33/483 (2013.01); H01L 31/0203 (2013.01);
Abstract
The present invention provides a hermetic package, including a ceramic base and a glass cover hermetically integrated with each other via a sealing material layer, wherein the ceramic base includes 0.1 mass % to 10 mass % of a black pigment, and wherein a difference between: a light absorption rate of the ceramic base at a wavelength of 808 nm when converted to 0.5 mm; and a light absorption rate of the sealing material layer at a wavelength of 808 nm when converted to 0.005 mm is 30% or less.