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:
Dec. 31, 2019
Filed:
Mar. 16, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yoshiyuki Maki, Suwa, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 17/00 (2006.01); H03L 1/02 (2006.01); H03L 7/26 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); H03B 17/00 (2013.01); H03L 1/02 (2013.01);
Abstract
A quantum interference device includes a base having a mounting surface, an atom cell in which alkali metal atoms are encapsulated, a light source adapted to emit light adapted to excite the alkali metal atoms, a photodetector adapted to detect the light having been transmitted through the atom cell, and a support adapted to support the atom cell, the light source, and the photodetector in a lump with respect to the mounting surface in a state in which the atom cell, the light source, and the photodetector are arranged in a direction along the mounting surface.