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:
Mar. 15, 2011
Filed:
Jun. 28, 2006
Applicants:
Hideki Shimoi, Hamamatsu, JP;
Hiroyuki Sugiyama, Hamamatsu, JP;
Hiroyuki Kyushima, Hamamatsu, JP;
Inventors:
Assignee:
Hamamatsu Photonics K. K., Hamamatsu-shi, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object is to sufficiently keep the airtightness in a vacuum container even when it is made smaller. A photomultiplier tubecomprises a flat sheet-like lower substrate, a casing-like frameerected on the lower substrate, an upper substrateincluding a frameairtightly joined to an opening part of the framewhile holding a low-melting metal therebetween, and a frame-like projectionarranged in parallel with the frameon the inner side of the frameon the lower substrate