Joined bodies, assemblies for high pressure discharge lamps...

Details Joined bodies, assemblies for high pressure discharge lamps... Joined bodies, assemblies for high pressure discharge lamps...

2006-10-24

2006-10-24

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

C313S625000

Reexamination Certificate

active

07126280

ABSTRACT:
The present invention provides a joined body having a first member, a second member and a joining material interposed between the first and second members. The joining material has a porous bone structure with open pores and made of a sintered product of metal powder and impregnated phase impregnated into the open pores. The impregnated phase has polycrystalline substance made from a metal oxide and at least one of a nitride and an oxynitride. The joined body has improved resistance against fatigue and fracture, even when the body is subjected to repeated thermal cycles between high and room temperatures.

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