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:
Aug. 20, 2013
Filed:
Mar. 30, 2012
Manabu Ochi, Hitachinaka, JP;
Junichi Senga, Yokohama, JP;
Takehiro Hayama, Fujisawa, JP;
Hitachi Media Electronics Co., Ltd, Iwate, JP;
Abstract
An optical pickup having a case made of a resin material reinforced with glass fiber, inorganic filler or the like with polyphenylene sulfide as a base material, and a metal plate formed of a material having a linear expansion coefficient within a range of a linear expansion coefficient of the case in a direction between bearings when a fiber orientation of the case is along the direction between the bearings or random. The metal plate has two rising members bended to the case side at both ends in the direction between the bearings. Two walls of the outer hull of an opening of the case at both ends in the direction between the bearings and the two rising members of the metal plate are alternately opposed, and the opposed walls of the case and the rising members of the metal plate are fixed using adhesives.