Title:
METHOD FOR MANUFACTURING OPTICAL ELEMENT, OPTICAL ELEMENT, AND LIGHT-ASSISTED MAGNETIC RECORDING HEAD, AND MAGNETIC RECORDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/014764
Kind Code:
A1
Abstract:
Provided is a method for manufacturing fine optical elements, whereby the elements can be easily manufactured with simple steps with high mass-productivity. Also provided is a fine optical element having low cost.
The method for manufacturing optical elements has: a step wherein a liquid resin is spread on a flat surface; a step wherein a board-like or film-like base material is placed on the flat surface having the resin spread thereon, and a fillet shape is formed between the wall surface of the base material and the flat surface using the resin; and a step wherein the resin is hardened.
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Inventors:
KAWASHIMA, Hisanori (INC. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
Application Number:
JP2011/066522
Publication Date:
February 02, 2012
Filing Date:
July 21, 2011
Export Citation:
Assignee:
KONICA MINOLTA OPTO, INC. (2970, Ishikawa-machi Hachioji-sh, Tokyo 05, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
International Classes:
G02B5/08; G11B5/02; G11B7/22
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (Nikko Kagurazaka Bldg, 18 Iwatocho, Shinjuku-k, Tokyo 32, 〒1620832, JP)
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Claims:
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