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Transition to nanoscale sizes requires fundamentally new methods and equipment with high-resolution capability. Thus the vacuum-plasma etching process optimization becomes a critical task. In this work, the problem of thermal stabilization and fixation of substrates in vacuum-plasma etchers is considered. A configuration of vacuum-plasma etcher of 300mm diameter substrates for experimental studies is described. The original design of the device for studying the uniformity of the substrate temperature is provided. Experimental studies of the substrate temperature uniformity in a vacuum-plasma etcher mounted on a substrate holder with an electrostatic clamp at various plasma processing parameters were carried out. It has been demonstrated that it is possible to control the plate temperature by using plasma processes and changing the pressure of helium supplied under the plate.
Pavel A. Gornostaev
JSC NPP ESTO (Russia, 124498, Moscow, Zelenograd, Georgievsky Ave, 5, bld. 1)
Vladimir M. Menagarishvili
JSC NPP ESTO (Russia, 124498, Moscow, Zelenograd, Georgievsky Ave, 5, bld. 1)
Roman V. Kubrakov
JSC NPP ESTO (Russia, 124498, Moscow, Zelenograd, Georgievsky Ave, 5, bld. 1)

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