Title:
OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2018/025479
Kind Code:
A1
Abstract:
Provided is an optical lens that allows easy checking of a position thereof during implementation and that has excellent long-term stability. An optical lens 1 having an optical axis direction y is characterized by being provided with: a substrate 2 having a first lens forming surface 2a, an upper surface 2d and a bottom surface 2c that are connected to the first lens forming surface 2a, and a first lens part 3 formed on the first lens forming surface 2a; and a metallization layer 5 formed on the bottom surface 2c of the substrate 2, wherein the bottom surface 2c of the substrate 2 has first and second edge parts 2c1, 2c2 opposing each other in a direction x perpendicular to the optical axis direction y, and the metallization layer 5 is not formed, on the bottom surface 2c and in the vicinities of the first and second edge parts 2c1, 2c2.
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Inventors:
TOMITA MITSURU (JP)
Application Number:
PCT/JP2017/020030
Publication Date:
February 08, 2018
Filing Date:
May 30, 2017
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
G02B3/00; G02B7/02
Domestic Patent References:
| WO2012098808A1 | 2012-07-26 |
Foreign References:
| JP2008203418A | 2008-09-04 | |||
| JPH05216021A | 1993-08-27 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
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