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	Electrical Characterization of Sidewall Insulation Layer of TSV
	Sun, Xin ; Ji, Ming ; Ma, Shenglin ; Zhu, Yunhui ; Kang, Wenping ; Miao, Min ; Jin, Yufeng
	2010
关键词	TEOS-PECVD FILMS
英文摘要	This paper presented a method to examine the electrical characteristics of sidewall insulation layer of through silicon via (TSV), including breakdown voltage and sidewall capacitance. Blind via samples were fabricated for the experiment using deep reactive ion etching. 2 mu m SiO2 insulation layer was deposited using PECVD (Plasma enhanced chemical vapor deposition). Ti/W/Cu adhesive/barrier/seed layer was sputtered, and then copper was electroplated to fill vias. The final blind via sample was a MOS capacitor-like structure. To measure the electrical characteristics of the sidewall insulation layer, I-V and C-V test were implemented. As a result, the breakdown voltage of TSV sidewall insulation layer was about 40V, calculated breakdown electrical field strength of oxide layer was about 100V/mu m. C-V test result showed a capacitance of about tens of femto-farads (fF), while substrate parasitic capacitance affected the measured capacitance greatly. Calculation and simulation of via capacitance were also carried out, and the capacitance of sidewall insulation layer was about 1pF in our experiment.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000328124000018&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Engineering, Electrical & Electronic; EI; CPCI-S(ISTP); 1
语种	英语
DOI标识	10.1109/ICEPT.2010.5582360
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/406419]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Sun, Xin,Ji, Ming,Ma, Shenglin,et al. Electrical Characterization of Sidewall Insulation Layer of TSV. 2010-01-01.

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