Title:
レンズ加工方法およびレンズ加工装置
Document Type and Number:
Japanese Patent JP5039129
Kind Code:
B2
Abstract:
The optical surface of a lens (21) held and rotated by the rotating shaft (12) of a lathe is cut or ground into an aspherical surface from a direction perpendicular to the axis of the rotating shaft (12) and the axial direction of the rotating shaft (12) while a processing locus (t) which is concentric or spiral about the rotating shaft (12) as the center is formed. In processing, the lens (21) is arranged in a grinding region (20) at a position spaced apart from the turning center (Zo) of the processing locus (t).
More Like This:
| JPS57156161 | LENS AND ITS MANUFACTURE |
| JPS56146654 | LENS SEPARATOR |
| JP2007111821 | POLISHING DEVICE |
Inventors:
Keigo Hasegawa
Yoshihiro Kikuchi
Shigeru Takizawa
Yoshihiro Kikuchi
Shigeru Takizawa
Application Number:
JP2009507503A
Publication Date:
October 03, 2012
Filing Date:
March 27, 2008
Export Citation:
Assignee:
HOYA CORPORATION
International Classes:
B24B13/00; B23B1/00; B23B5/36; B24B13/005; B24B13/06
Domestic Patent References:
| JPH11146607A | 1999-05-28 | |||
| JPH11295668A | 1999-10-29 | |||
| JP2005001100A | 2005-01-06 | |||
| JP2002120109A | 2002-04-23 | |||
| JP2002036083A | 2002-02-05 |
Foreign References:
| WO2006015761A1 | 2006-02-16 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa