HIGH PRESSURE DISCHARGE LAMP AND PRODUCTION METHOD THEREOF

Title:

HIGH PRESSURE DISCHARGE LAMP AND PRODUCTION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/1996/021940

Kind Code:

A1

Abstract:

A high pressure discharge lamp includes a ceramic discharge tube (11) having an ionization light-emitting substance and a starting gas filled in the internal space (13) thereof, a closing member (50A) equipped with a through-hole (14a, 15a), at least a part of which is fixed to the inside of end portion (12) of the ceramic discharge lamp (11), a current conductor (5) equipped with an electrode system (9) and inserted into the through-hole (14a, 15a) of the closing member (50A), and a sealing material layer (16A) so formed as to be bonded to the closing member (50A) at portions other than the through-hole (14a, 15a) and to the current conductor (5). Preferably, the sealing material layer (16A) comprises a metallized layer.

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Inventors:

SUZUKI GO (JP)
NIIMI NORIKAZU (JP)
KONDO TSUTOMU (JP)

Application Number:

PCT/IB1996/000027

Publication Date:

July 18, 1996

Filing Date:

January 12, 1996

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
SUZUKI GO (JP)
NIIMI NORIKAZU (JP)
KONDO TSUTOMU (JP)

International Classes:

H01J9/26; H01J9/32; H01J61/36; (IPC1-7): H01J61/36; H01J9/26

Foreign References:

JPS63143738A	1988-06-16
JPH06168703A	1994-06-14
JPS61147448A	1986-07-05
JPS4897385A	1973-12-12
JPS63184258A	1988-07-29
JPH06318435A	1994-11-15
JPH05198285A	1993-08-06
JPS62234841A	1987-10-15

Other References: