Title:
少なくとも1つのレンズセントレーションマークを有するレンズおよび同レンズの製造方法および使用方法
Document Type and Number:
Japanese Patent JP2007519020
Kind Code:
A
Abstract:
A lens having at least one lens centration mark formed on a major surface of the lens is disclosed. The lens centration mark may be located at the intersection of a first axis and the major surface, where the major surface is symmetrical about the first axis such that the first axis is an axis of revolution of the surface. A method of making a lens having such lens centration mark, as well as a method for measuring the centration of a lens surface utilizing the lens centration mark, are also disclosed.
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Inventors:
Jones, Edward Elle.
Application Number:
JP2006518628A
Publication Date:
July 12, 2007
Filing Date:
May 28, 2004
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
G02C7/02; B24B13/005; B29C45/37; G02C13/00; B29L11/00
Domestic Patent References:
| JP2002178247A | 2002-06-25 | |||
| JP2002018687A | 2002-01-22 | |||
| JPH11108793A | 1999-04-23 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama