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. 09, 2004
Filed:
Dec. 21, 2001
Kun-Tsan Wu, Tu-Chen, TW;
Chih-Yi Chen, Tu-Chen, TW;
Hon Hai Precision Ind. Co., Ltd., Taipei Hsien, TW;
Abstract
A collimating device ( ) comprises a GRIN lens ( ), a filter ( ) and an outer tube ( ). The GRIN lens and the filter are both secured in the outer tube. The outer tube is made of stainless steel, and has a first receiving portion ( ) and a second receiving portion ( ). The first receiving portion is cylindrical, and defines a cylindrical cavity ( ) therein for receiving the GRIN lens. The second receiving portion is also cylindrical, and defines a generally rectangular cavity ( ) therein for receiving the filter. The GRIN lens and the filter are glued in the outer tube with relatively little epoxy, and with no excess epoxy contaminating optical faces thereof.