发明名称 Forming tool for forming a contoured microelectronic spring mold
摘要 A forming tool with one or more embossing tooth, and preferably, a plurality of such embossing teeth, arranged on a substantially planar substrate, is disclosed. Each embossing tooth is configured for forming a sacrificial layer to provide a contoured surface for forming a microelectronic spring structure. Each embossing tooth has a protruding area corresponding to a base of a microelectronic spring, and a sloped portion corresponding to a beam contour of a microelectronic spring. Numerous methods for making a forming tool are also disclosed. The methods include a material removal method, a molding method, a repetitive-stamping method, tang-bending methods, and segment-assembly methods.
申请公布号 US2005016251(A1) 申请公布日期 2005.01.27
申请号 US20040919151 申请日期 2004.08.16
申请人 FORMFACTOR, INC. 发明人 ELDRIDGE BENJAMIN N.;WENZEL STUART W.
分类号 G01R1/04;G01R1/067;G01R1/073;G01R3/00;H01L21/768;H01L23/48;H01L23/482;H01R13/24;H05K3/40;H05K7/10;(IPC1-7):B21D31/00 主分类号 G01R1/04
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