三维集成中基于薄光解聚合物的超快速临时键合和释放工艺

Tsung-Yen Tsai, Chien-Hung Lin, Chia-Lin Lee, Shan-Chun Yang, Kuan-Neng Chen
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引用次数: 7

摘要

为了提高三维集成性能,研究了一种超快速的临时粘接和释放工艺。该粘接方案由两种不同的聚合物组成,分别为释放层和粘接层。亚微米释放层是一种具有高紫外吸收特性的正性光刻胶,在20 s内被诱导进入脱键过程。此外,粘合剂层为晶圆减薄过程提供了强大的机械强度。基于结果,该结构是三维集成中临时键合和脱键技术的潜在候选者。
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An ultra-fast temporary bonding and release process based on thin photolysis polymer in 3D integration
An ultra-fast temporary bonding and release process was investigated for the improvement of 3D integration. The bonding scheme composes of two different kinds of polymer for release layer and adhesive layer. The submicron release layer is a positive photoresist with the characteristic of high UV absorption induced into the de-bonding procedure within 20 s. In addition, the adhesive layer provides robust mechanical strength for the wafer thinning process. Based on results, this structure is a potential candidate for temporary bonding and de-bonding technique in 3D integration.
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