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Title: Titanium sealing glasses and seals formed therefrom

Alkaline-earth lanthanoborate sealing-glass compositions containing CaO, La.sub.2 O.sub.3, B.sub.2 O.sub.3, TiO.sub.2 and Al.sub.2 O.sub.3 in various combinations of mole-% are provided. These sealing-glass compositions are useful for forming hermetic glass-to-metal seals with titanium and titanium alloys that have a high aqueous durability for component or device applications requiring exposure to moisture, water or body fluids. Particular applications of the titanium sealing-glass compositions include forming glass-to-metal seals for lithium batteries and implanted biomedical devices (e.g. batteries, pacemakers, defibrillators, pumps).
Inventors:
 [1];  [1];  [1];  [2]
  1. (Albuquerque, NM)
  2. (Rolla, MO)
Issue Date:
OSTI Identifier:
871258
Assignee:
Sandia Corporation (Albuquerque, NM) SNL
Patent Number(s):
US 5693580
Contract Number:
AC04-94AL85000
Research Org:
SANDIA CORP
Country of Publication:
United States
Language:
English
Subject:
titanium; sealing; glasses; seals; formed; therefrom; alkaline-earth; lanthanoborate; sealing-glass; compositions; containing; cao; various; combinations; mole-; provided; useful; forming; hermetic; glass-to-metal; alloys; aqueous; durability; component; device; applications; requiring; exposure; moisture; water; fluids; particular; lithium; batteries; implanted; biomedical; devices; pacemakers; defibrillators; pumps; sealing-glass compositions; formed therefrom; glass-to-metal seals; sealing glasses; titanium alloy; glass compositions; applications requiring; device applications; particular application; glass composition; lithium batteries; compositions containing; titanium alloys; various combinations; medical device; metal seal; medical devices; sealing glass; particular applications; containing cao; forming hermetic; seals formed; compositions contain; lanthanoborate sealing-glass; glass-to-metal seal; forming glass-to-metal; hermetic glass; metal seals; /501/428/

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