講演名 2007/6/18
Selective Epitaxial Growth of SiGe Layers with High Aspect Ratio Mask of Dielectric Films
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抄録(和)
抄録(英) This paper presents the selective epitaxial growth(SEG) properties of reduced pressure chemical vapor deposition (RPCVD) at low temperatures of 675~725℃ with high aspect ratio mask of dielectric films. The SEG process has been investigated to understand the influence of loading effect, mask pattern shape and size dependency, and RPCVD process parameter effects. In order to overcome difficulties associated with high-aspect ratio, it is critical to understand the process pressure in the ranges of a few tens Torr showing intermediate regime of kinetic and molecular flows. SiGe epi layers designed with X_~0.2 and 10~100nm in thickness were adequate as an extrinsic base for self-aligned heterojunction bipolar transistors (HBTs) in order to reduce the parasitic resistance for the higher maximum oscillation frequencies. SEG of SiGe using RPCVD showed considerable advantages for the improvements of parasitic components and operation speed.
キーワード(和)
キーワード(英) SiGe / SEG / aspect ratio / RPCVD
資料番号 ED2007-56,SDM2007-61
発行日

研究会情報
研究会 ED
開催期間 2007/6/18(から1日開催)
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委員長氏名(和)
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講演論文情報詳細
申込み研究会 Electron Devices (ED)
本文の言語 ENG
タイトル(和)
サブタイトル(和)
タイトル(英) Selective Epitaxial Growth of SiGe Layers with High Aspect Ratio Mask of Dielectric Films
サブタイトル(和)
キーワード(1)(和/英) / SiGe
第 1 著者 氏名(和/英) / A-Ram Choi
第 1 著者 所属(和/英)
School of Semiconductor and Chemical Engineering, Semiconductor Physics Research Center, Chonbuk National University
発表年月日 2007/6/18
資料番号 ED2007-56,SDM2007-61
巻番号(vol) vol.107
号番号(no) 110
ページ範囲 pp.-
ページ数 4
発行日