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. 12, 2008
Filed:
Apr. 05, 2005
Seiji Kumazawa, Kadoma, JP;
Yohei Takechi, Hirakata, JP;
Masahiro Kuwabara, Moriguchi, JP;
Toshiyuki Okada, Toyonaka, JP;
Masami Ito, Moriguchi, JP;
Koji Funami, Kyoto, JP;
Yosuke Kawahito, Osaka, JP;
Seiji Kumazawa, Kadoma, JP;
Yohei Takechi, Hirakata, JP;
Masahiro Kuwabara, Moriguchi, JP;
Toshiyuki Okada, Toyonaka, JP;
Masami Ito, Moriguchi, JP;
Koji Funami, Kyoto, JP;
Yosuke Kawahito, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A ratio of a length of resin flow-in to a radius of an optical component is not larger than 0.25, and gas is blown directly against a laser irradiated part radially and diagonally downward from an upside position corresponding to a center of the optical component. A laser line beam having longer sides extending in a direction along an inner wall is cast by a laser radiation device while being moved in the direction of the longer sides.