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. 19, 2013
Filed:
Apr. 22, 2010
Masayuki Okamura, Fujisawa, JP;
Akiko Mizushima, Yokohama, JP;
Hidenao Saito, Yokohama, JP;
Jun Hato, Fujisawa, JP;
Kazumi Takahashi, Toyokawa, JP;
Masayuki Okamura, Fujisawa, JP;
Akiko Mizushima, Yokohama, JP;
Hidenao Saito, Yokohama, JP;
Jun Hato, Fujisawa, JP;
Kazumi Takahashi, Toyokawa, JP;
Hitachi Media Electronics Co., Ltd., Iwate, JP;
Abstract
There is provided a low-cost and reliable optical pickup device, wherein an objective lens is in contact with an adhesive at least one or more portions and fixed to the adhesive and also the height of the adhesive for fixing the objective lens is higher than the surface of the objective lens or the end of the objective lens, thereby a sufficient adhesive strength is secured between the objective lens and a member to which the objective lens is adhered and further this adhesive serves also as a disc protector.