Vertical and smooth etching of InP by Cl2/Xe inductively coupled plasma

被引:46
作者
Matsutani, A
Ohtsuki, H
Koyama, F
Iga, K
机构
[1] Tokyo Inst Technol, Precis & Intelligence Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[2] Samco Int Inc, Shinagawa Ku, Tokyo 1410031, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1999年 / 38卷 / 7A期
关键词
dry etching; inductively coupled plasma (ICP); InP; Cl-2/Xe;
D O I
10.1143/JJAP.38.4260
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have demonstrated anisotropic and smooth etching of InP by an inductively coupled plasma (ICP) using Cl-2/Xe at high substrate temperatures. We investigated the etching characteristics by varying the substrate temperature, gas pressure, Cl-2 flow rate and rf power. Vertical and smooth dry etching of InP was achieved under a row dc bias of -80 V. The ICP etching process is an effective low-damage dry-etching technique for microfabrication of InP-based optoelectronic devices.
引用
收藏
页码:4260 / 4261
页数:2
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