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Materials for MEMS

저작시기 2006.01 |등록일 2008.03.29 파워포인트파일MS 파워포인트 (pptx) | 48페이지 | 가격 4,000원

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Materials for MEMS
and Microsystems

목차

Introduction
Substrates and Wafers
Active Substrate Materials
Silicon as a Substrate Material
- The Ideal Substrate for MEMS
- Single-Crystal Silicon and Wafers
- Crystal Structure
- The Miller Indices
- Mechanical Properties of Silicon
Silicon Compounds
- Silicon Dioxide
- Silicon Carbide
- Silicon Nitride
- Polycrystalline Silicon
Silicon Piezoresistors
Gallium Arsenide
Quartz
Piezoelectric Crystals
Polymers
- Polymers as Industrial Materials
- Polymers for MEMS and Microsystems
- Conductive Polymers
- The Langmuir-Blodgett (LB) Film
Packaging Materials

본문내용

2. Substrates and Wafers
The frequently used term substrate in microelectronics means a flat macroscopic object on which microfabrication processes take place. In microsystems, a substrate serves an additional purpose : it acts as single transducer besides supporting other transducers that convert mechanical actions to electrical outputs or vice versa.

In semiconductors, the substrate is a crystal cut in slices from a larger piece called a wafer. Wafer can be of silicon or other single crystalline material such as quartz or gallium arsenide.

Substrates in microsystems, however, are somewhat different. There are two types of substrate materials used in microsystems : (1) active substrate materials and (2) passive substrate materials.
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