Aluminum alloyed layered structure for an optical device

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...

Reexamination Certificate

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C257S432000, C257S762000, C257S765000, C257S768000, C257S771000, C313S503000, C313S509000

Reexamination Certificate

active

07078733

ABSTRACT:
A layered structure of wire(s) comprising a wiring layer made of a low resistance metal containing aluminum, copper or silver; and an alloy layer made of an intermediate phase containing the low resistance metal and a refractory metal. The refractory metal is molybdenum. There is also formed a layered structure of wire(s) made of an aluminum alloy containing a lanthanoid, wherein a number average crystal grain size is 16.9 nm or more. Crystal grain size may be larger than a mean free path of electrons to provide a layered structure of wire(s) with a reduced resistance.

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