Surface mountable miniature incandescent light

Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...

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Details

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

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