An investigation of a variable geometry orbitron ionization gauge

An investigation of a variable geometry orbitron ionization gauge

Biographies of authors Since joining the AAECRE at Lucas Heights in 1961 he has been responsible for all vacuum equipment associated with the 3 MeV a...

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Biographies

of authors Since joining the AAECRE at Lucas Heights in 1961 he has been responsible for all vacuum equipment associated with the 3 MeV accelerator and the application of new developments in vacuum techniques to accelerator requirements and irradiation projects.

An all-metal bakeable ultrahigh vacuum system for nucleation studies John L Robins obtained

a BSc from the University of Western Australia in 1956 and a PhD from the same university in 1961. During the following two years he worked with the National Research Council of Canada where he began an investigation into the kinetics of gas adsorption on refractory metal surfaces under ultrahigh vacuum conditions, with special interest in cases where two different gases were being adsorbed simultaneously. From 1963 to 1965, whilst at Cornell University in the USA, this work was extended to studies of the deposition of metal atoms onto crystalline surfaces and of the early stages of the growth of thin film deposits. Since 1966 he has been with the Physics Department of the University of Western Australia; for two years as a Queen Elizabeth II Fellow and subsequently as a Senior Lecturer. His research interests continue to centre on surface phenomena, particularly those involving the deposition of gas and metal vapour atoms onto defect and defect-free crystal surfaces and the related problem of the bonding of foreign atoms on crystal surfaces.

H G Broe

J L Robins

V N E Robinson, BSc, Grad AIP was born in Australia in 1944. He graduated from the University of Western Australia in 1965 and has since been working towards his PhD at the University. His research topic is “Nucleation of Face-Centred Cubic Metals on the UHV Cleavage Surface of Alkali Halide Crystals.”

V N E Robinson

An investigation of a variable geometry orbitron ionization gauge R Walker, BSc (Hons), M Tech, Grad lnst P was Technical Assistant from 1960 to 1963 in the Physics Department of Birkbeck College, London University and graduated from there in IQ66 with an honours degree in Physics. He extended his interest in vacuum physics by taking a post-graduate degree in that subject at Brunel University. In 1967 he became a Lecturer at the South Australian Institute of Technology in Adelaide. He is at present formulating a post-graduate degree course in Vacuum technology.

R Walker

F R Sellenger

A review of vacuum gauges for measurement in high vacuum systems

R Goldberg was trained as an instrument maker in Germany. Following war service with the British Army, he was employed by the Medical Research Council working on the development of freeze drying equipment and the vacuum system of a mass spectrograph. In 1950 he joined the staff of the Australian National University at first working in Birmingham on the proton synchrotron and later transferring to Canberra in 1951.

Since 1963 he has been a member of the Plasma Physics Group in the Department of Engineering Physics, working on the design and fabrication of UHV equipment.

F Ross Sellenger, BE (Mech),

The vacuum accelerator

system

Harry G Broe joined

of a 3 MeV

the aircraft component company of Bendix Tecnico in 1947, working in the engineering design office on prototype and design development.

Technical Manager of Dynavac High Vacuum Pty Ltd studied Mechanical Engineering at Melbourne University. After graduating in 1963 he joined Dynavac as a Technical Officer. He was promoted through various executive posts to his present position. As Technical Manager Mr Sellenger is in charge of the technical executive. His work includes research, product design and development, and marketing of high vacuum equipment.