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:
Apr. 16, 2013
Filed:
Nov. 11, 2010
Takayuki Yamaguchi, Miyagi, JP;
Satoru Sugawara, Miyagi, JP;
Kazuhiko Adachi, Miyagi, JP;
Masaki Hiroi, Miyagi, JP;
Takayuki Yamaguchi, Miyagi, JP;
Satoru Sugawara, Miyagi, JP;
Kazuhiko Adachi, Miyagi, JP;
Masaki Hiroi, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An optical device including an optical element; a package member in which the optical element is held on a bottom surface of the package member in an area surrounded by walls; and a plate member that seals the area surrounded by the walls and the bottom surface in an airtight manner, the plate member being translucent and joined to the package member with a resin material. The walls have a structure including steps, the plate member is joined onto one of the steps of the walls, and at least a part of the walls facing side surfaces of the plate member includes a positioning part for positioning the plate member and a retaining part for retaining the resin material, in a direction perpendicular to the bottom surface.