发明名称 Selective gas knife for wave soldering
摘要 Selective gas knives for wave soldering provide for targeted gas flow at a particular location on a substrate, such as a printed circuit board. Both the temperature and flow rate of gas through a segment of a gas knife can be independently controlled.
申请公布号 US2004060960(A1) 申请公布日期 2004.04.01
申请号 US20020260944 申请日期 2002.09.30
申请人 BECKER ERIC WAYNE;KIRBY KENNETH 发明人 BECKER ERIC WAYNE;KIRBY KENNETH
分类号 B23K1/08;B23K1/20;B23K3/06;B23K31/02;B23K35/12;(IPC1-7):B23K1/08 主分类号 B23K1/08
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