APTech's Key R&D Staff

Dr. William Mackie
Dr. Bud Magera
Josh Lovell
Ryan Douglas
Joe Hancock
Dr. Paul Davis (Consultant)
Paul McClelland (Consultant)

Research & Development Capabilities

Applied Physics Technologies Expertise:

*Long history of thermionic and field emission research
*Surface physics and work function analysis as applied to field emission and thermionic emission cathodes
*Field and thermionic emission materials and cathode fabrication
*Structured field emitter array cathode deposition
*Field emission and thermionic cathode testing in UHV, Ar, O₂, CO₂ or other atmospheres
*Coating FE and FEA cathodes with thin films for performance enhancement
*Supplier of oriented single crystals of refractory metals, carbides, and borides

R&D Capabilities:

*Work function measuring systems; photoelectron, thermionic, and absolute (or FERP)
*Custom film deposition system (up to 6" wafer) with multi-component deposition control and monitoring. Film materials include; Mo, Nb, Pt, Hf, Ni, Ni-Nb, Au, Y, Mg, Ti, Si, C, ZrC, HfC, NbC, TiC, LaB6, SnO, and others
*Field emitter array deposition including liftoff layer and multi-part emitter options
*Auger surface analysis
*SEM with EDX - Energy Dispersive X-ray Spectroscopy
*Thermionic emission measurements and surface analysis
*Field emission measurements over large range of currents and operating atmospheres
*Custom electron or ion optical modeling
*Custom electron or ion gun production including focusing and deflection

Please Contact Us if you would like to learn more about APTech's R&D Capabilities.