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:
Sep. 08, 2009
Filed:
Jul. 26, 2007
Minoru Niigaki, Hamamatsu, JP;
You Wang, Hamamatsu, JP;
Yujin Zheng, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Minoru Niigaki, Hamamatsu, JP;
You Wang, Hamamatsu, JP;
Yujin Zheng, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Hamamatsu Photonics K.K., Hamamatsu-shi, Shizuoka, JP;
Abstract
An alkali-encapsulated cell internally having an alkali metal vapor G encapsulated is provided with first and second heaters. The alkali-encapsulated cellhas first and second end facesopposed to each other, and a side faceconnecting the two end faces. Each of the first and second heatershas a covering portionB,B and an extending portionC,C. Some portions of the alkali-encapsulated cellare inserted in the covering portionsB,B. On the other hand, the extending portionsC,C extend in directions away from the alkali-encapsulated cell. The first and second heatersare separated from each other with a distance dbetween them in an opposing direction of the first and second end faces