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. 07, 2019
Filed:
Jul. 11, 2016
Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;
Masaharu Muramatsu, Hamamatsu, JP;
Hisanori Suzuki, Hamamatsu, JP;
Yasuhito Yoneta, Hamamatsu, JP;
Shinya Otsuka, Hamamatsu, JP;
Hirotaka Takahashi, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;
Abstract
A back-illuminated solid-state imaging element includes a semiconductor substrate which has a front surface and a back surface provided with a recess, and in which a thinned section, which is a bottom section of the recess, is an imaging area, a signal read-out circuit formed on the front surface of the semiconductor substrate, a boron layer formed on at least the back surface of the semiconductor substrate and a lateral surface of the recess, a metal layer formed on the boron layer, and provided with an opening opposing a bottom surface of the recess, and an anti-reflection layer formed on the bottom surface of the recess.