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Patent Searching and Data


Title:
OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2010/147185
Kind Code:
A1
Abstract:
A reflective layer can be formed stably with a high position accuracy. An optical element of the invention includes a relief structure formation layer, a first layer made of a first material having a refractive index different from that of the material of the relief structure formation layer, and a second layer made of a second material different from the first material, covering the first layer, and having a feature that the ratio of the quantity of the second material at the location of a second region to the apparent area of the second region is zero or small compared to the ratio of the quantity of the second material at the location of the second sub-region to the apparent area of the second sub-region.

Inventors:
YASHIKI, Kazuhiro (())
屋鋪 一尋 (())
SAWAMURA, Chikara (())
澤村 力 (())
Application Number:
JP2010/060306
Publication Date:
December 23, 2010
Filing Date:
June 17, 2010
Export Citation:
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Assignee:
TOPPAN PRINTING CO., LTD. (5-1 Taito 1-chome, Taito-ku Tokyo, 16, 〒1100016, JP)
凸版印刷株式会社 (〒16 東京都台東区台東一丁目5番1号 Tokyo, 〒1100016, JP)
YASHIKI, Kazuhiro (())
屋鋪 一尋 (())
SAWAMURA, Chikara (())
International Classes:
G02B5/18; B42D15/10; G02B5/32
Foreign References:
JP2009063703A2009-03-26
JP2005524858A2005-08-18
JP2008107472A2008-05-08
JP2009109871A2009-05-21
JP2009075169A2009-04-09
JPH11505046A1999-05-11
JP2002372610A2002-12-26
JP2008275740A2008-11-13
JP2008107470A2008-05-08
JP2004302269A2004-10-28
JPH04212984A1992-08-04
JP2009086211A2009-04-23
JP2005007624A2005-01-13
JP2003255115A2003-09-10
JP2008530600A2008-08-07
JP4194073B22008-12-10
JP2524092Y21997-01-29
JP2007118563A2007-05-17
Other References:
See also references of EP 2444826A1
Attorney, Agent or Firm:
SUZUYE, Takehiko et al. (1-12-9 Toranomon, Minato-k, Tokyo 01, 〒1050001, JP)
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