发明名称 Negative Thermal Expansion System (NTES) Device for TCE Compensation in Elastomer Composites and Conductive Elastomer Interconnects in Microelectronic Packaging
摘要 A method for fabricating a negative thermal expanding system device includes coating a wafer with a thermally decomposable polymer, patterning the decomposable polymer into repeating disk patterns, releasing the decomposable polymer from the wafer and forming a sheet of repeating patterned disks, suspending the sheet into a first solution with seeding compounds for electroless decomposition, removing the sheet from the first solution, suspending the sheet into a second solution to electrolessly deposit a first layer material onto the sheet, removing the sheet from the second solution, suspending the sheet into a third solution to deposit a second layer of material having a lower TCE value than the first layer of material, separating the patterned disks from one another, and annealing thermally the patterned disks to decompose the decomposable polymer and creating a cavity in place of the decomposable polymer.
申请公布号 US2011034047(A1) 申请公布日期 2011.02.10
申请号 US20100906690 申请日期 2010.10.18
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 HOUGHAM GARETH GEOFFREY;CHEY S. JAY;DOYLE JAMES PATRICK;LIU XIAO HU;JAHNES CHRISTOPHER V.;LAURO PAUL ALFRED;LABIANCA NANCY C.;ROOKS MICHAEL J.
分类号 H01L21/02;H01R4/58;B81B3/00;B81C99/00 主分类号 H01L21/02
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