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:
Feb. 07, 2012
Filed:
Oct. 09, 2007
Hiroya Kobayashi, Hamamatsu, JP;
Yasuhito Miyazaki, Hamamatsu, JP;
Masaharu Muramatsu, Hamamatsu, JP;
Hiroya Kobayashi, Hamamatsu, JP;
Yasuhito Miyazaki, Hamamatsu, JP;
Masaharu Muramatsu, Hamamatsu, JP;
Hamamatsu Photonics K.K., Hamamatsu-shi, Shizuoka, JP;
Abstract
In a photodetecting device, positional alignment marksA,B to serve as positional references of a photodetecting elementare formed at the front surface side of the photodetecting element. Moreover, a pin baseis provided with a threaded fitting pinto be fitted with a cold plate, and the threaded fitting pinis accurately positionally aligned with respect to the photodetecting elementvia a positioning portionpositioned with respect to the positional alignment marksA,B exposed from a slit portionand a cutaway portionof a wiring board. Accordingly, in the photodetecting device, by only fitting the threaded fitting pinwith a recess portionof the cold plate, the photodetecting elementis accurately positionally aligned with respect to the cold plate