4D Technology Corporation - Tucson, AZDesigns and manufactures dynamic laser interferometers and optical profilers, and surface defect gauges. Applications include precision machined surfaces, optics, astronomy, aerospace, space-based telescopes, flexible electronics, automotive, and in-line production measurement.
Fil-Tech Inc. - Boston, MAFil-Tech supplies electron beam gun and ion source replacement parts, sensor heads and feedthroughs, INFICON rate monitors and controllers and Quality Crystals in Gold and Stress Relieving Alloy for the thin-film industry. We stock FT704, hydrocarbon oils and Krytox oils and greases, and ionization, thermocouple, INFICON and InstruTech vacuum gauges.
MKS/Newport - Franklin, MAMKS/Newport designs and manufactures high performance optical filters and replicated mirrors in the UV, VIS, and NIR. Filters include bandpass, dichroic, edge, fluorescence, neutral density, and notch filters, as well as optomechanical and electro-optical assemblies based on filter technology. Mirrors include retroreflector, aspheric, and spherical.