Patent ID: 6197435
Filing Date: 2001-03-06
Classification: H01L,H05K,Y10S,Y10T

Abstract:
An article comprising a metal circuit and/or a heat-radiating metal plate formed on a ceramic substrate, wherein the metal circuit and/or the heat-radiating metal plate comprise either (1) the following first metal-second metal bonded product, wherein the first metal and the second metal are different, or (2) the following first metal-third metal-second metal bonded product, and wherein in (1) and (2) the first metal is bonded to the ceramic substrate;first metal: a metal selected from the group consisting of aluminum (Al), lead (Pb), platinum (Pt) and an alloy containing at least one of these metal components,second metal: a metal selected from the group consisting of copper (Cu), silver (Ag), gold (Au), aluminum (Al) and an alloy containing at least one of these metal components, andthird metal: a metal selected from the group consisting of titanium (Ti), nickel (Ni), zirconium (Zr), molybdenum (Mo), tungsten (W) and an alloy containing at least one of these metal components.