发明名称 Ball grid array x-ray orientation mark
摘要 An apparatus and method for inspecting electronic component orientation along with x-ray verification of connection integrity is presented. An exemplary method comprises providing an electronic component 100 for surface mount integration and providing an x-ray visible orientation indicator 300, 402, 500, 600 for the electronic component 100 such that proper orientation of the electronic component 100 is verifiable by x-ray inspection after performing surface mount integration of the electronic component. The x-ray inspection also makes connection integrity of the electronic component 100 verifiable.
申请公布号 US6777821(B2) 申请公布日期 2004.08.17
申请号 US20020313401 申请日期 2002.12.06
申请人 QUALCOMM INCORPORATED 发明人 PRIMROSE PAUL W.
分类号 H01L21/60;H01L23/498;H01L23/544;H05K1/02;H05K3/30;(IPC1-7):H01L23/544 主分类号 H01L21/60
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