Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR MANUFACTURING GRADED INDEX OPTICAL ELEMENT HAVING IR ABSORBING ABILITY
Document Type and Number:
Japanese Patent JP2007047310
Kind Code:
A
Abstract:

To provide a method for easily manufacturing a graded index optical element having IR absorption power by easily producing a graded index state in a desired position of a glass substrate having IR absorption power without requiring a specified process environment and without using a fused salt.

The graded index optical element having IR absorption power is manufactured by applying a paste containing at least one kind selected from a group consisting of lithium compounds, potassium compounds, rubidium compounds, cesium compounds, silver compounds, copper compounds, and thallium compounds, an organic resin and an organic solvent on a glass substrate containing an alkali metal component and at least one kind selected from a group consisting of iron, copper, cobalt and vanadium, and having an iron content of over 3 wt.% in terms of Fe2O3 with respect to 100 wt.% of the entire glass when single iron is included in iron, copper, cobalt, and vanadium.


Inventors:
SUETSUGU TATSUYA
KIMURA KAZUHISA
OTANI GOJI
KAGA NAOKO
KIKUCHI NAOKI
YAMASHITA NAOTO
MORISANE YUKIKO
EIZAI TOSHIHIKO
SUMINO KOHEI
Application Number:
JP2005229846A
Publication Date:
February 22, 2007
Filing Date:
August 08, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ISUZU SEIKO GLASS KK
NAT INST OF ADV IND & TECHNOL
International Classes:
G02B3/00; C03C3/17; C03C3/19; C03C3/21; C03C21/00; G02B1/00; G02B5/22; C03C3/087; C03C3/089; C03C3/247
Domestic Patent References:
JPH0250103A1990-02-20
JPH08187461A1996-07-23
JP2004191907A2004-07-08
JPH11100215A1999-04-13
JP2004083408A2004-03-18
Foreign References:
WO2003054597A22003-07-03
Attorney, Agent or Firm:
Eiji Saegusa
Kakehi Yuro