发明名称 CIRCUIT BOARD AND METHOD OF MOUNTING ELECTRONIC COMPONENT
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a circuit board and a method of mounting an electronic component, wherein damage to the circuit board during mounting can be reduced. <P>SOLUTION: The method of mounting the electronic component includes the processes of: forming preliminary solder 1 having a projecting top surface on the electrode pad 3 of the circuit board 1; forming a resin pedestal 31a having a flat or recessed top surface on the preliminary solder 11; mounting a semiconductor element 20 with a solder bump 22 formed on the resin pedestal 31a with the solder bump 22 facing downward; and joining the preliminary solder 11 and solder bump 22 together by the preliminary solder 11, resin pedestal 31a, and solder bump 22 reflow. <P>COPYRIGHT: (C)2010,JPO&INPIT</p>
申请公布号 JP2010118547(A) 申请公布日期 2010.05.27
申请号 JP20080291296 申请日期 2008.11.13
申请人 FUJITSU LTD 发明人 AKAMATSU TOSHIYA
分类号 H05K3/34;H01L21/60 主分类号 H05K3/34
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