Basic Characteristics of a Simultaneous Double-Side CMP Machine, Housed in a Sealed, Pressure-Resistant Container

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Abstract:

We designed and manufactured a prototype of a unique CMP machine, which can perform double-side CMP simultaneously in a sealed and pressure container as regarding effective action of the processing atmosphere around workpieces as important. Polishing experiments with single crystal silicon (Si) wafers (100) are performed by charging the container with various gases. As a result, the removal rates increased by up to 25% under high pressure oxygen gas atmosphere.

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Periodical:

Key Engineering Materials (Volumes 447-448)

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61-65

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Online since:

September 2010

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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[1] T.K. DOI et al. A new Bell-Jar Type Controlled Atmosphere Polishing (CAP) Machine and Its Characteristics, Journal of the Japan Society for Precision Engineering Vol. 70, No. 5, ( 2004) p.72.

DOI: 10.2493/jspe.70.726

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