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Review of Scientific Instruments
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A system for determining the mass and energy of particles incident on a substrate in a planar diode sputtering system

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Abstract

A bakable ultrahigh vacuum system has been constructed to sample the particle flux incident on the substrate of a planar diode sputtering system. A beam of particles from the discharge is extracted into a long mean free path environment where it passes through a 90° deflection electrostatic analyzer into a quadrupole residual gas analyzer. The mass spectra of positive ions incident on a substrate during dc sputtering of copper and aluminum bronze are shown and the influence of hydrogen contamination is illustrated. The energy distribution of the Ar+ ions is presented for several values of the substrate bias. © 1970 The American Institute of Physics.

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Review of Scientific Instruments

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