发明名称 Method and Apparatus for Fabricating Uniform Fine Solder Ball using Electric Field
摘要 The purpose of the present invention is to provide an apparatus and a method of continuously fabricating a solder ball at low costs which simplify a fabrication process and improves yield by a method which controls the size of a liquid drop generated by using the magnitude of voltage and frequency, and generates uniform liquid drops which are smaller than a nozzle pipe by applying AC voltage to a Taylor-cone-type liquid generated by an electric field without applying mechanical vibration to a melting chamber.
申请公布号 KR101435367(B1) 申请公布日期 2014.08.28
申请号 KR20130007777 申请日期 2013.01.24
申请人 发明人
分类号 H01L21/60;H01L23/488 主分类号 H01L21/60
代理机构 代理人
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