Title:
レンズ保持用治具およびこれを用いたレンズ基材の製造方法
Document Type and Number:
Japanese Patent JP5286368
Kind Code:
B2
Abstract:
A lens holding jig (3) includes a lower holding portion (15) that holds the lower surface of a lens base material (1). The upper surface of the lower holding portion (15) forms support surfaces (16) that support the lower edges (S 1 , S 2 ) of a cut end surface (1a) of the lens base material (1) at two points. An application liquid release portion (17) running downward is provided at the center of the support surfaces (16). The application liquid release portion (17) is formed from a long hole, a long groove, or a projection.
Inventors:
Eiichi Yajima
Shigetoshi Kono
Jun Watanabe
Tsuyoshi Sakurazawa
Toshikazu Hashimoto
Shigetoshi Kono
Jun Watanabe
Tsuyoshi Sakurazawa
Toshikazu Hashimoto
Application Number:
JP2010545761A
Publication Date:
September 11, 2013
Filing Date:
January 05, 2010
Export Citation:
Assignee:
HOYA CORPORATION
International Classes:
G02C13/00; B05C3/09; B05C13/02; G02B1/10; G02B1/14
Domestic Patent References:
| JPH07234301A | 1995-09-05 | |||
| JPH0467101A | 1992-03-03 | |||
| JP2006199387A | 2006-08-03 | |||
| JPH07234301A | 1995-09-05 | |||
| JPH0467101A | 1992-03-03 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa