Lamp

Details Lamp Lamp

2007-05-01

2007-05-01

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Having lead-in shield

Reexamination Certificate

active

10536701

ABSTRACT:
A lamp includes a glass bulb2with a concave portion1, a base7attached so as to cover at least part of the concave portion, a lead11for supplying electrical power with an end section located in the concave portion1, and lead-free solder17. The lead free solder17is composed mainly of Sn, and further contains, at least, between 5% and 40% inclusive of Sb and between 0% and 10% inclusive of Cu by mass, and has a solidus temperature of at least 235° C.

REFERENCES:
patent: 4758407 (1988-07-01), Ballentine et al.
patent: 51-85286 (1976-07-01), None
patent: 54-129770 (1979-10-01), None
patent: 2-34295 (1990-02-01), None
patent: 3-255637 (1991-11-01), None
patent: 11-151591 (1999-06-01), None
patent: 2002-1575 (2002-01-01), None
patent: 2002-239781 (2002-08-01), None
patent: 2002-245974 (2002-08-01), None
patent: 2002-321084 (2002-11-01), None

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