Title:
【発明の名称】一体的なリフレクタを具備するランプバルブ
Document Type and Number:
Japanese Patent JP2001527693
Kind Code:
A
Abstract:
An improved electrodeless discharge lamp bulb includes an integral ceramic reflector as a portion of the bulb envelope. The bulb envelope further includes two pieces, a reflector portion or segment is cast quartz ceramic and a light transmissive portion is a clear fused silica. In one embodiment, the cast quartz ceramic segment includes heat sink fins or stubs providing an increased outside surface area to dissipate internal heat. In another embodiment, the quartz ceramic segment includes an outside surface fused to eliminate gas permeation by polishing.
Inventors:
Levin, israil
Shanks, Bruce
Sumner, Thomas El.
Shanks, Bruce
Sumner, Thomas El.
Application Number:
JP55039098A
Publication Date:
December 25, 2001
Filing Date:
May 05, 1998
Export Citation:
Assignee:
Fusion Lighting, Incorporated
International Classes:
H01J5/48; H01J9/26; F21S2/00; H01J61/02; H01J61/30; H01J61/52; H01J65/04; (IPC1-7): H01J65/04; F21S2/00
Attorney, Agent or Firm:
Kazuo Kobashi (1 person outside)