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2 suppliers

Optical Disks

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Henan UM Optics Ltd. (Umoptics)
Henan UM Optics Ltd. (Umoptics) - Xinyang, China
Provides customized materials for low stress, high purity, and high uniformity infrared crystals to customers in over 60 countries and regions around the world.
Custom Manufacturer
Cadmet Inc. - Malvern, PA
Glossary
  • optical disc A rigid medium, generally a polycarbonate substrate coated with a reflective aluminum layer, that stores information (such as audio, video or data) as digital bits in the form of variations in the reflective surface, and that modulates a laser beam...
  • CD-ROM (compact disc read-only memory) An adaptation by Philips and Sony of their audio compact disc technology for optical disc data storage and retrieval. Current capacity of a disc is 0.5 to 0.6 gigabytes of information.
  • scanning disc In field-sequential color television, the rotating tricolor disc placed between the subject and the lens, or between the picture tube and the viewer.
  • disc A piece of glass that eventually becomes the bifocal segment as it appears prior to being fused to the blank.
Optical Disks Suppliersoptical disksoptical discsdiskcompact discencodes binary dataCDDVDrewritableaudio datavideo datadigital bitsCD-ROMscanning discoptics

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