Development of low-temperature bonding platform using ultra-thin area selective deposition for heterogeneous integration

Mu Ping Hsu, Chi Yu Chen, Hsin Chi Chang, Zhong Jie Hong, Ming Wei Weng, Kuan Neng Chen

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

The Cu-Cu bonding technology is an indispensable vehicle for achieving heterogeneous integration, providing architects and designers with a new solution to address the limitations of transistor miniaturization. In this study, a next-generation efficient-process passivation bonding technology has been developed and investigated. The area-selective passivation bonding platform enables chips to be bonded at ambient temperatures below 200 ℃, while mitigating potential patterning issues and simplifying the complex conventional passivation process. The surface exploration of the area-selective films and their bonding mechanism have been thoroughly investigated through the use of transmission electron microscope (TEM) analyses. The results demonstrate exceptional film quality and the bonded reliability of the area-selective films. Furthermore, devices bonded using an optimized process exhibit more reliable mechanical strength than those bonded using conventional passivation methods.

原文English
文章編號157645
期刊Applied Surface Science
635
DOIs
出版狀態Published - 30 10月 2023

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