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:
Sep. 18, 2012
Filed:
Apr. 16, 2009
Yoshihiro Miyawaki, Suita, JP;
Yuji Muraoka, Suita, JP;
Nobuyuki Ando, Tenri, JP;
Junichi Nakamura, Suita, JP;
Yasunori Tsujino, Ibaraki, JP;
Masafumi Yamashita, Takatsuki, JP;
Yukihiro Kasano, Suita, JP;
Yoshihiro Miyawaki, Suita, JP;
Yuji Muraoka, Suita, JP;
Nobuyuki Ando, Tenri, JP;
Junichi Nakamura, Suita, JP;
Yasunori Tsujino, Ibaraki, JP;
Masafumi Yamashita, Takatsuki, JP;
Yukihiro Kasano, Suita, JP;
Komatsulite Mfg. Co., Ltd., Osaka, JP;
Nippon Shokubai Co., Ltd, Osaka, JP;
Abstract
An imaging lens unit configured for processing by a solder reflow process, and includes a lens group of one or more lenses; and a lens tube supporting the lens group. The imaging lens unit comprises one or more cationically-cured epoxy resin lenses formed from an cationically-curable epoxy resin material, the lens tube is formed from a thermoplastic resin material having a deflection temperature under load of at least 200° C. The imaging lens unit has a clearance between the lens tube and at least one of the cationically-cured epoxy resin lenses and has lens supporting portions provided at least three locations inside the lens tube that support the at least one cationically-cured epoxy resin lens. The lens unit can be miniaturized. The imaging lens unit also provides excellent optical characteristics without deteriorating the optical characteristics in alignment of the centers of the lens and the diaphragm.