Title:
A manufacturing method of a lens with a slope
Document Type and Number:
Japanese Patent JP5968033
Kind Code:
B2
Abstract:
An inclined surface-equipped lens includes a first inclined surface and a second inclined surface inclined relative to a plane perpendicular to an optical axis, and a corner portion formed by the first inclined surface and the second inclined surface being in contact with each other. Each inclined surface makes a predetermined inclination angle with the plane perpendicular to the optical axis, and the corner portion is located out of the optical axis and raised outward.
Inventors:
Go Matsumoto
Noriyuki Tamai
Katsunori Kosaka
Noriyuki Tamai
Katsunori Kosaka
Application Number:
JP2012094339A
Publication Date:
August 10, 2016
Filing Date:
April 18, 2012
Export Citation:
Assignee:
ALPS ELECTRIC CO.,LTD.
International Classes:
G02B3/00; G02B3/02; G02B6/42; G02B13/00
Domestic Patent References:
| JP2003167159A | ||||
| JP200357407A | ||||
| JP200493868A | ||||
| JP2004126360A | ||||
| JP10503280A | ||||
| JP2003240960A | ||||
| JP200741512A |
Attorney, Agent or Firm:
野▲崎▼ 照夫