Arctube for high pressure discharge lamp

Details Arctube for high pressure discharge lamp Arctube for high pressure discharge lamp

1996-01-29

1999-02-02

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313493, 313573, 313623, H01J 6130

Patent

active

058669825

ABSTRACT:
A high pressure discharge lamp utilizing an improved ceramic arctube. The arctube has a ceramic central portion, a first ceramic leg extending from one end of the central portion and in some embodiments a second ceramic leg extending from the other end of the central portion. The arctube has reinforcing means where one or both of the legs joins the central portion to reinforce and strengthen the connection between each leg and the central portion. The reinforcing means is preferably seal glass or a layer of seal glass adjacent a ceramic ring.

REFERENCES:
patent: 3363133 (1968-01-01), Harris et al.
patent: 4076991 (1978-02-01), Datta
patent: 4208605 (1980-06-01), McVey et al.
patent: 4409517 (1983-10-01), Fan Der Sande et al.
patent: 4766347 (1988-08-01), Janssen et al.
patent: 4780646 (1988-10-01), Lange
patent: 5140227 (1992-08-01), Dakin et al.
patent: 5321335 (1994-06-01), Klug et al.
patent: 5352952 (1994-10-01), Juengst
patent: 5484315 (1996-01-01), Juengst et al.

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