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:
Jan. 07, 2025
Filed:
Feb. 21, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takuya Miyakawa, Matsumoto, JP;
Yasushi Tsuchiya, Fujimi, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04F 5/14 (2006.01);
U.S. Cl.
CPC ...
G04F 5/145 (2013.01);
Abstract
An atomic cell filled with an alkali metal includes: a substrate; a first coating layer provided on an inner wall of the substrate and derived from a first molecule; a second coating layer provided on the first coating layer, and derived from a second molecule having a non-polar group and a reactive group that undergoes a desorption reaction with the first molecule; and a third coating layer provided on the second coating layer and derived from a non-polar third molecule. The third coating layer has a degree of crystallinity of 70% or more.