2006
DOI: 10.1143/jjap.45.1018
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Fabrication of a Micromachined Tunable Capacitor Using the Complementary Metal–Oxide–Semiconductor Post-Process of Etching Metal Layers

Abstract: In this study, we investigate the fabrication of a micromechanical tunable capacitor using the commercial complementary metal–oxide–semiconductor (CMOS) process and the post-process of maskless wet etching metal layers. The post-process has merits of easy execution and low cost. The post-process uses two etchants to etch the metal layers to release the suspended structures of the tunable capacitor. The comb-drive actuator is employed to change the position of the movable plate in the parallel capacitor, such t… Show more

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“…The technique is known as CMOS-MEMS. 15) Many micro devices have been manufactured using the CMOS-MEMS technique, such as tunable capacitors, 16) micromirror arrays 17) and micro suspended inductors. 18) The advantage of micromachined devices fabricated by the CMOS-MEMS technique is the capability of integration with readout circuits as a system on chip (SOC) due to their compatibility with the CMOS process.…”
Section: Introductionmentioning
confidence: 99%
“…The technique is known as CMOS-MEMS. 15) Many micro devices have been manufactured using the CMOS-MEMS technique, such as tunable capacitors, 16) micromirror arrays 17) and micro suspended inductors. 18) The advantage of micromachined devices fabricated by the CMOS-MEMS technique is the capability of integration with readout circuits as a system on chip (SOC) due to their compatibility with the CMOS process.…”
Section: Introductionmentioning
confidence: 99%