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METHOD FOR SEMICONDUCTOR CHIPS DOWN FOR WELDING IN SURFACE OF A NON-PRECIOUS METALS.
METHOD FOR SEMICONDUCTOR CHIPS DOWN FOR WELDING IN SURFACE OF A NON-PRECIOUS METALS.
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机译:在非贵金属表面焊接的半导体芯片焊接方法。
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摘要
After the support of not-noble metal has suitably been heated and before and during the application of a tablet of soldering material destined to receive the semiconductor chip, the soldering area is engaged by a reducing gas flame (for example, 20% hydrogen and 80% nitrogen at a temperature lower than 570 DEG C.), which eliminates any oxidation products. The soldering is thus of very good quality without using the normal plating of noble metal.
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