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Patent Searching and Data


Title:
光線反射防止用シボの形成方法および該方法によってシボが形成されたレンズ鏡筒
Document Type and Number:
Japanese Patent JP5669126
Kind Code:
B2
Abstract:
A method of turning the surface of a die, which is used to make a product, into an antireflective roughened one includes the steps of: a) producing a first roughness on the surface of the die; and b) producing a second roughness, which is smaller than the first roughness, on the surface of the die on which the first roughness has already been produced.

Inventors:
平林 晃一郎
宇野 哲哉
朴 一武
河村 敬之
Application Number:
JP2010135843A
Publication Date:
February 12, 2015
Filing Date:
June 15, 2010
Export Citation:
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Assignee:
パナソニックIPマネジメント株式会社
International Classes:
B29C33/38; B29C33/42; G02B7/02; H04N5/225
Attorney, Agent or Firm:
Seiji Okuda
Shuichi Kita
Yoshimichi Kajitani
Akiko Miyake
Okabe Hidetaka
Toru Kawakita