Title:
光学ガラス
Document Type and Number:
Japanese Patent JP6806078
Kind Code:
B2
Abstract:
There is provided an optical glass having high infrared transmittance and being useful as an on-vehicle infrared sensor and the like. An optical glass including, in expression of atomic % : Ge + Ga; 6% to 30%; S + Se + Te; 50% to 85%; and Ti; 0.001% to 0.5%, wherein a wavelength (» T10% ) at a long-wavelength side end in which infrared transmittance in a glass plate of the optical glass converted to a thickness of 1 mm becomes 10% is 12 µm or more.
Inventors:
Tatsuo Nagashima
Hiroyasu Miyazawa
Kenji Kitaoka
Hiroyasu Miyazawa
Kenji Kitaoka
Application Number:
JP2017551839A
Publication Date:
January 06, 2021
Filing Date:
November 10, 2016
Export Citation:
Assignee:
AGC Inc.
International Classes:
C03C3/32; C03C4/10; G02B1/00
Domestic Patent References:
| JP53083639A | ||||
| JP5085769A | ||||
| JP2009161374A | ||||
| JP2015129072A | ||||
| JP5004835A | ||||
| JP2002274882A |
Foreign References:
| CN101492249A |
Attorney, Agent or Firm:
Patent business corporation glory patent office