发明名称 Method of recovering lead-free solder from printed circuit boards
摘要 Discarded printed circuit boards are sorted according to the alloying elements in solder used on the printed circuit boards. After sorting, the printed circuit boards are heated to melt the solder, and the molten solder is collected.
申请公布号 US2003178470(A1) 申请公布日期 2003.09.25
申请号 US20020103572 申请日期 2002.03.22
申请人 TADA SAKARI;HASEGAWA EIETSU 发明人 TADA SAKARI;HASEGAWA EIETSU
分类号 B23K1/018;C22B7/00;H05K1/02;H05K3/34;(IPC1-7):B23K31/02 主分类号 B23K1/018
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