Electrodeless gas discharge lamp assembly and method of manufact

Details Electrodeless gas discharge lamp assembly and method of manufact Electrodeless gas discharge lamp assembly and method of manufact

1998-10-02

1999-12-07

Patel, Vip

Electric lamp and discharge devices

With magnetic device

With envelope

313160, 313607, 445 23, H01J 150

Patent

active

059989149

ABSTRACT:
An electrodeless gas discharge lamp assembly (10) includes a light-transmitting envelope (12) having an illumination gas (14) sealed therein. An induction coil (24) is disposed about the envelope (12) and is operative when driven to excite the gas (14) to inductive discharge illumination. The coil (24) and envelope (12) are prepared as separate components. The coil (24) has an inner circumference which is initially smaller in dimension than a fixed outer circumference of the envelope (12). The two are assembled by extending the envelope (12) into the coil (24). The envelope (12) expands the inner circumference of the coil (24) to the size of the envelope (12), achieving a constricted, intimate contact of the coil (24) about the envelope (12) and assuring that the flux lines generated by the coil (24) will pass through the envelope (12) and act on the gas (14).

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