Sealing glass for laser glass

• US 3,885,974 A
• Filed: 07/30/1973
• Issued: 05/27/1975
• Est. Priority Date: 10/09/1972
• Status: Expired due to Term

• Current Assignee: Tetsuro Izumitani, Yoshiyuki Asahara
• Original Assignee: Tetsuro Izumitani, Yoshiyuki Asahara
• Inventors: Asahara, Yoshiyuki, Izumitani, Tetsuro
• Primary Examiner(s): Douglas, Winston A.
• Assistant Examiner(s): Bell, Mark
• Application Number:
  US05/383,743
• Time in Patent Office: 666 Days
• Field of Search: 106/47Q,47R 117/124A,125
• US Class Current: 501/46
• CPC Class Codes: C03C 3/16 containing phosphorus
• CPC Class Codes: C03C 3/21 containing titanium, zirconium, vanadium, tungsten or molybdenum
• CPC Class Codes: C03C 4/082 for infrared absorbing glass
• CPC Class Codes: C03C 8/24 Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders

Abstract

A sealing glass for laser glass produced by adding V2O5 0-18 mol.%, Fe2O3 0-18 mol.%, (V2O5+Fe2O3 5-18 mol.%), Co2O3 0-6 mol.% and NiO 0-7 mol.% to a balancing amount of a base glass composed of P2O5 70-30 mol.%, B2O3 0-15 mol.%, Al2O3 0-5 mol.%, (P2O5+B2O3+Al2O3 30-70 mol.%), PbO 0-55 mol.%, Tl2O 0-55 mol.%, ZnO 5-50 mol.%, (PbO+Tl2O 20-55 mol.%; PbO+Tl2O+ZnO 25-60 mol.%) and BaO 0-10 mol.%.

Claims

1. A SEALING GLASS FOR LASER GLASS PRODUCED BY ADDING V2O5 0-18 MOL.%, FE2O3 0-18 MOL.%, (V2O5+FE2O3 5-18 MOL.%), CO2O3 0-6 MOL.% AND NIO 0-7 MOL.% TO A BALANCING AMOUNT OF A BASE GLASS CONSISTING OF P2O5 70-30 MOL.%, B2O3 0-15 MOL.%, AL2O3 0-5 MOL.%, (P2O5+B2O3+AL2O3 30-70 MOL.%), PBO 0-55 MOL.%, TL2O 0-55 MOL.%, ZNO 5-50 MOL.%,

2. A sealing glass for laser glass according to claim 1 which is produced by adding V2O5 in an amount of 5-18 mol.%.

3. A sealing glass for the laser glass according to claim 1 which consists of:

P2O5 45-50 mol.%, PbO 25-35 mol.%;

Tl2O 5-15 mol.%;

ZnO 5-15 mol.%;

Al2O3 1-5 mol.%;

V2O5 5-15 mol.%.