NASA NTRS · 19830001847
Ion sputter textured graphite
Abstract
A specially textured surface of pyrolytic graphite exhibits extremely low yields of secondary electrons and reduced numbers of reflected primary electrons after impingement of high energy primary electrons. An ion flux having an energy between 500 eV and 1000 eV and a current density between 1.0 mA/sq cm and 6.0 mA/sq cm produces surface roughening or texturing which is in the form of needles or spines. Such textured surfaces are especially useful as anode collector plates in high efficiency electron tube devices.
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Sovey, J. S., Forman, R., Curren, A. N., Wintucky, E. G.. 1982-09-14. Ion sputter textured graphite. https://ntrs.nasa.gov/citations/19830001847
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