Title:
成形レンズ、成形レンズ金型、成形レンズの製造方法及び光ピックアップ装置
Document Type and Number:
Japanese Patent JP4771031
Kind Code:
B2
Abstract:
A molded coupling lens, for use in an optical pickup apparatus, comprises: a first surface including a first optical surface, a second surface located opposite to the first surface and including a second optical surface, and a flat surface section provided substantially in parallel with a plane including an optical axis of the molded coupling lens so as to connect the first surface and the second surface. An outer peripheral shape of the first optical surface is a circle.
Inventors:
Hiroyuki Hattori
Takayuki Yamazaki
Takayuki Yamazaki
Application Number:
JP2001043132A
Publication Date:
September 14, 2011
Filing Date:
February 20, 2001
Export Citation:
Assignee:
Konica Minolta Holdings Co., Ltd.
International Classes:
G02B3/00; G02B13/00; B29C33/42; G02B7/00; G02B9/00; G11B7/135; G11B7/1376; G11B7/1392; G11B7/22; B29L11/00
Domestic Patent References:
| JP2000235728A | ||||
| JP11064606A | ||||
| JP2000304993A | ||||
| JP11095006A | ||||
| JP11249007A | ||||
| JP8290925A | ||||
| JP2000275567A | ||||
| JP11023806A | ||||
| JP61087125A | ||||
| JP10177105A |
Attorney, Agent or Firm:
Mitsuhiro Fukuda