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Patent Searching and Data


Title:
ABERRATION CORRECTING ELEMENT, ABERRATION CORRECTING DEVICE AND OPTICAL PICKUP
Document Type and Number:
WIPO Patent Application WO/2007/055188
Kind Code:
A1
Abstract:
Provided is an aberration correcting element which suppresses generation of diffracted light due to a space between electrode segments. The aberration correcting element is provided with first and second transparent substrates facing each other; a first electrode layer composed of a plurality of electrode segments formed on the transparent substrates; a second electrode layer formed on the transparent substrates; and a liquid crystal layer arranged between the first electrode layer and the second electrode layer. The first electrode layer includes an auxiliary electrode layer having an electrode pattern which faces the space between the electrode segments at an interval.

Inventors:
FUJINOKI SHINICHI (JP)
Application Number:
PCT/JP2006/322150
Publication Date:
May 18, 2007
Filing Date:
November 07, 2006
Export Citation:
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Assignee:
PIONEER CORP (JP)
FUJINOKI SHINICHI (JP)
International Classes:
G11B7/135
Foreign References:
JP2005222586A2005-08-18
JP2005222587A2005-08-18
JP2001176108A2001-06-29
Attorney, Agent or Firm:
FUJIMURA, Motohiko (Togeki-Bldg. 1-1, Tsukiji 4-chom, Chuo-ku Tokyo 45, JP)
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