Photonics Buyers' Guide > Phase Masks
(6 companies)
Phase Masks
  • Gurley Precision Instruments, Inc. - Troy, NYManufactures stock and custom reticles, lenses, prisms, mirrors, resolution targets, step wedges, divided circles, absolute and incremental discs/scales, precision patterns and replications, measuring devices, rotary/linear encoders, engineering and surveying instruments and digital readout systems...
    • Manufacture Custom

  • TERMS
  • mask 1. A framelike structure that serves to restrict the viewing area of the screen whenplaced before a television picture tube. 2 In photolithography, a photomask (or mask) is typically a patterned transparent plate or an opaque plate with patterned...



   


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