APT

Cathode materials and components, namely, grid cap assemblies, grid cap and anode assemblies, electron gun assemblies, and electron columns for use with microscopy, lithography, metrology, tomography and non-scale displays; specialized neutral-charged electron devices for use in space propulsion acceleration systems, advanced metal fabrication systems, free electronic lasers, x-ray generators and microwave generators, namely, thermionic and field emission cathodes, lanthanum hexaboride and cerium hexaboride cathodes, transition metal carbide thermionic and field emission cathodes, cathodes for plasma light sources, and guard ring cathodes made of pyrolytic carbon, graphite or colloidal carbon coating on transition metal carbides; deposited, structured field emitter array cathodes; field emitters, namely, single-crystal carbide and refractory metal, single-crystal etched cathodes for thermal and field electron emitters, STM (Scanning Tunnel Microscopes) probes, and Schottky electron sources; tungsten wire electrodes for use in electron emission sources; single-crystal carbide probes for STM (Scanning Tunneling Microscopes) probes; scientific apparatus in the nature of liquid metal ion sources (LMIS) for microscopes, namely, liquid-metal ion sources and plasma sources; ion gun assemblies for use in mass Spectrometry; ion columns for use with microscopy, lithography, metrology, tomography, and nanofabrication

Scientific and technological research and development related to electron emission testing and new product development and transition metal carbides, thermionic electron emission cathodes, and field electron sources; providing expert advice and consultation to others on the subject of scientific and technological research and development related to emission testing and new product development of transition metal carbides, thermionic electron emission cathodes, and field electron sources; custom design and development of electron emitting materials and electron emission sources; research for others in the field of fundamental electron emissions, and preparing reports in connection therewith; scientific analysis of auger surfaces and field emission measurements over a large range of currents and operating atmospheres