发明名称 Wafer-processing tape and method of producing the same
摘要 A wafer-processing tape, which has an adhesive layer and a removable adhesive layer formed on a surface of a base film, and which has an area where B>A, and an area where A>B, in which a peeling force between the base film and the adhesive layer is designated as A, and peeling forces between a target to be bonded and the adhesive layer and between a target to be bonded and the removable adhesive layer are designated as B, wherein the adhesive layer is transferred onto the chip side during pickup in the area where B>A, and the removable adhesive layer is not transferred onto the target to be bonded in the area where A>B during peeling off the tape.
申请公布号 US8545979(B2) 申请公布日期 2013.10.01
申请号 US20060370835 申请日期 2006.03.09
申请人 KITA KENJI;MORISHIMA YASUMASA;ISHIWATA SHINICHI;THE FURUKAWA ELECTRIC CO., LTD. 发明人 KITA KENJI;MORISHIMA YASUMASA;ISHIWATA SHINICHI
分类号 B32B7/12;B32B7/10;C09J7/02;H01L21/301;H01L21/58;H01L21/68 主分类号 B32B7/12
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