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:
May. 16, 2017
Filed:
Jun. 02, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takuya Nakajima, Ushiku, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 1/06 (2006.01); H03L 7/26 (2006.01); G04F 5/14 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); G04F 5/145 (2013.01); H01S 1/06 (2013.01);
Abstract
A gas cell includes an alkali metal, a pair of window parts, a body part provided between the pair of window parts and forming an internal space in which the alkali metal in a gaseous state is enclosed with the pair of window parts, and a space within a recessed part forming a part of the internal space or communicating with the internal space, in which a liquid-state or solid-state alkali metal is placed, and a bottom part as a wall part between the space within the recessed part and an outside has a smaller thickness than the window parts.