Title:
COMPOSITE OPTICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2007/111077
Kind Code:
A1
Abstract:
A composite optical element (1) is provided with a first optical section (10) having an optical function surface (11), and a second optical section (20) which is bonded to the first optical section (10) on the optical function surface (11). The optical function surface (11) includes a sliding surface section (13) and an uneven surface section (12) adjacent to each other. In an area (NR) close to the boundary between the sliding surface section (13) and the uneven surface section (12), a position (P2), which is in a normal line direction of the sliding surface section (13) of the lowest point in the recessed section of the uneven surface section (12), is positioned closer to the center of the first optical section (10) than a same position (P1) at an end section on the side of the uneven surface section (12) of the slicing surface section (13).
Inventors:
INOUE KENJI
Application Number:
PCT/JP2007/054045
Publication Date:
October 04, 2007
Filing Date:
March 02, 2007
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
INOUE KENJI
INOUE KENJI
International Classes:
G02B1/11; G02B5/18; G02B1/118; G02B3/00; G02B3/02; G02B5/02; G11B7/135; G11B7/1374
Foreign References:
| JP2002182022A | 2002-06-26 | |||
| JP2001249208A | 2001-09-14 | |||
| JP2002062416A | 2002-02-28 | |||
| JP2005305875A | 2005-11-04 | |||
| JP2991455B2 | 1999-12-20 |
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (5-7 Hommachi 2-chome, Chuo-ku, Osaka-sh, Osaka 53, JP)
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