Title:
【発明の名称】光ディスク用対物レンズ
Document Type and Number:
Japanese Patent JPH0748088
Kind Code:
B2
Inventors:
TANAKA YASUHIRO
HARUHARA MASAAKI
NAKAJIMA YASUO
TANAKA SHINICHI
HARUHARA MASAAKI
NAKAJIMA YASUO
TANAKA SHINICHI
Application Number:
JP11732188A
Publication Date:
May 24, 1995
Filing Date:
May 13, 1988
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G02B13/00; G01B13/24; G02B13/18; (IPC1-7): G02B13/00; G02B13/18
Domestic Patent References:
| JP62286009A |
Attorney, Agent or Firm:
Akira Kobiji (2 outside)
Next Patent: 精密投影光学系