Lamp and manufacturing method thereof

(19)

(11)

EP 0 962 955 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	13.02.2002 Bulletin 2002/07

(43)	Date of publication A2:
	08.12.1999 Bulletin 1999/49

(21)	Application number: 99109885.6

(22)	Date of filing: 20.05.1999

(51)	International Patent Classification (IPC)⁷: H01J 9/32, H01J 61/36, H01J 5/38

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

25.05.1998 JP 14269098
15.04.1999 JP 10778099

(71)	Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
	Kadoma-shi, Osaka 571-8501 (JP)

(72)	Inventors:
	Kaneko, Yuriko Nara-shi, Nara, 631-0804 (JP) Horiuchi, Makoto Sakurai-shi, Nara 633-0062 (JP) Takeda, Mamoru Soraku-gun, Kyoto 619-0237 (JP) Yosida, Masato Takatsuki-shi, Osaka 569-1044 (JP) Kurimoto, Yoshitaka Takatsuki-shi, Osaka 569-1121 (JP)

(74)	Representative: Eisenführ, Speiser & Partner
	Martinistrasse 24 28195 Bremen 28195 Bremen (DE)

(54)	Lamp and manufacturing method thereof

(57) A lamp made of a tube having a light emission portion glass (1) and a side tube portion glass (2) that extends from the light emission portion glass. The lamp has a sealed electrode assembly having an electrical current supply line (3) with one end portion connected to a metal foil (4). A first portion of the side tube portion where an electrical current supply line is located is heated and this portion is compressed by a first pressure. A second portion of the side tube portion where a metal foil is located is heated and this portion is compressed by a second pressure. The second pressure is made larger than the first pressure.

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