FIELD: microelectronics, namely preparation of copper bodies of transistors with silver coating before soldering semiconductor crystals. SUBSTANCE: method comprises steps of removing sulphide film Ag2S before soldering at annealing in oxygen at temperature (250-350)C for (15 -45) min. EFFECT: simplified preparation process, enhanced quality of cleaning surface, improved quality of soldered joints. 1 ex
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Authors
Dates
2002-12-20—Published
2001-07-18—Filed