Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
Patent
1991-02-13
1992-08-11
Yusko, Donald J.
Electric lamp and discharge devices
With gas or vapor
Having electrode lead-in or electrode support sealed to...
313318, 313624, 313625, 313634, H01J 1718
Patent
active
051382261
ABSTRACT:
A miniature incandescent lamp assembly has an elongated substantially cylindrical glass envelope having a first end and a second end. A substantially cylindrical first metal end member seals the first end of the glass envelope with a seal of substantially cylindrical configuration where the glass of the envelope is in glass-to-metal contact with the first metal end member. A substantially cylindrical second metal end member seals the second end of the glass envelope with another seal of substantially cylindrical configuration. In this seal also, the glass of the envelope is in glass-to-metal contact with the second metal end member. An incandescent filament is disposed between the first and second metal end members within the interior of the glass envelope in electrical contact with the first and second metal end members. Each of the first and second metal end members has a metal cap attached to the outside of the glass envelope, with the metal caps being larger in diameter than the glass envelope. The metal caps serve as a surface mountable electric contacts for the miniature incandescent lamp.
REFERENCES:
patent: 3060344 (1962-10-01), Scholes
patent: 3346751 (1967-10-01), Lienhard
patent: 4537323 (1985-08-01), Ditihek et al.
patent: 4713580 (1987-12-01), Shoene
patent: 4952838 (1990-08-01), Dunah
patent: 4970428 (1990-11-01), Hayakawa
Hamadi Diab
Illumination Technology, Inc.
Yusko Donald J.
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