Title:
SMALL-SIZED XENON ARC LAMP INSTALLED ON COLUMN VIA CATHODE SLOT
Document Type and Number:
Japanese Patent JP3672535
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a xenon lamp made of ceramic at a low cost.
SOLUTION: This arc lamp is constituted by providing a cathode supporting column wherein a cathode is installed on a slot at an end part. Thus, stress by heat is symmetrically applied to an assembly during actuation and discrepancy of a tip of the arc from a center of an anode is substantially dissolved. A finished product comprises nine components. The cathode supporting column is integrally brazed in a single process. The generated article by the brazing process of the column and a window flange and a sapphire window are integrally brazed in an installing cathode brazing process. A tube member made of a copper tube for filling, a Kovar sleeve, a ceramic reflector body, a flange for the anode, and the anode made of tungsten are integrally brazed in a body brazing process. The generated articles by the installation cathode brazing process and the body brazing process are integrally welded by a tungsten inert gas.
Inventors:
Roy Di Roberts
William El Manning
William El Manning
Application Number:
JP2002042322A
Publication Date:
July 20, 2005
Filing Date:
February 19, 2002
Export Citation:
Assignee:
Perkin Elmer Optoelectronics N.C.
International Classes:
H01J9/24; H01J9/02; H01J9/26; H01J61/86; (IPC1-7): H01J61/86; H01J9/02; H01J9/24
Domestic Patent References:
| JP11162408A | ||||
| JP9161727A | ||||
| JP3269949A |
Attorney, Agent or Firm:
Masatake Shiga