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Optical glass - Bulgaria

Bulgaria
  1. CRYSTAL TON 2

    Bulgaria

    The replication of optical discs creation of a glass master from a client original master. creation of a nickel stamper from that glass master. injection molding of clear optical-grade polycarbonate substrates (clear discs) from that stamper. metallizing and lacquering of those substrates to produce compact discs and DVDs. DVD mastering-digital optimization process that readies a DVD project for replication or duplication. Commonly packaged with related services such as label and sleeve printing, DVD mastering encompasses both audio and audiovisual work. Copy protection, also known as content protection, copy obstruction, copy prevention and copy restriction, is a technology for preventing the reproduction of software, films, music, and other media (usually copyrighted). Many different systems and software have been tested in the constant “cat and mouse” game between producers and pirates. Verifying a disc after recording helps to maintain an appropriate quality level.

  2. OPSIL LTD

    Bulgaria

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    Opsil LTD is a successor of the traditions of production of semiconductor materials dating back to the 1980s. The initial production has been of gallium arsenide (GaAs) monocrystal, sawed and polished wafers. Subsequently the production of Gallium phosphite (GaP) and Indium phosphite (InP) monocrystal, sawed and polished wafers has been promoted. From the mid-80s of the last century the production of monocrystalline Silicon for electronics, optics and photovoltaics has started. OPSIL Ltd. currently has got 3 pulling machines for monocrystalline Silicon, sawing machine , machines for external grinding; inside sliding machines; annealing furnace, faceting machine, measuring equipment for input and output control. The staff consists of highly qualified workers with many years of experience in this production field. Our company products are being sold in Israel, Germany, France, Sweden, UK, South Korea and USA.