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METHOD FOR PRODUCING TIN-SILVER ALLOY PLATING FILM, THE TIN-SILVER ALLOY PLATING FILM AND LEAD FRAME FOR ELECTRONIC PARTS HAVING THE FILM
METHOD FOR PRODUCING TIN-SILVER ALLOY PLATING FILM, THE TIN-SILVER ALLOY PLATING FILM AND LEAD FRAME FOR ELECTRONIC PARTS HAVING THE FILM
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机译:制备锡银合金镀膜的方法,锡银合金镀膜和具有该膜的电子零件的铅骨架
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摘要
THE PRESENT INVENTION RELATES TO A METHOD F OR PRODUCING A TIN-SILVER ALLOY PLATING FILM (8) HAVING AN EXCELLENT WETTABILITY AND IMPROVED IN SOLCIERABILITY AND SAID METHOD COMPRISES A STEP OF HEAT TREATING THE SURFACE OF THE TIN-SILVER ALLOY PLATING FILM (8) PREFERABLY THE HEAT TREATING TEMPERATURE IS 70-210°C. FIGURE 2.
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