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The Langmuir isotherm and the standard model of ion-assisted etching

M A Lieberman

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Langmuir is lured to the General Electric Research Laboratory, where he creates a new science—surface chemistry—and christens another—plasma. His atomistic views of gas–surface interactions are extended 65 years later to describe ion-assisted plasma etching, an indispensable process in modern semiconductor device manufacturing.


PACS

52.77.Bn Etching and cleaning

85.30.-z Semiconductor devices

68.43.Mn Adsorption kinetics

81.65.Cf Surface cleaning, etching, patterning

82.65.+r Surface and interface chemistry; heterogeneous catalysis at surfaces

Subjects

Electronics and devices

Semiconductors

Surfaces, interfaces and thin films

Plasma physics

Chemical physics and physical chemistry

Dates

Issue 1 (February 2009)

Received 16 June 2008, in final form 16 July 2008

Published 14 November 2008



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