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VACUUM TECHNOLOGY

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  • Thin film coatings
  • Thin film coatings
    • UV Curing
    • Optical Filters
    • Laser Mirrors
    • Anti Reflection Coatings
    • Beam splitters
    • Metallic coatings
    • Optical windows
    • NIR Filters
    • EMI Shielding Coatings
    • Infrared coatings
    • Decorative Coatings
    • Thin Film Circuits
    • ITO Coatings
    • Hard Coatings
    • Operation theatre reflectors
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Thin film coatings

HHV has served over five decades in developing a wide variety of Optical coatings required for all commercial and scientific establishments. A few of the high-tech optoelectronic products for which HHV has developed coating techniques are briefly described here.

  • UV Curing

    Ultraviolet curing (commonly known as UV curing) is a photochemical process in which high-intensity ultraviolet light is used to instantly cure or “dry” inks, coatings or adhesives. ...
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  • Optical Filters

    Optical filters transmits a desired wavelength interval while simultaneously attenuating   all other wavelengths in the range of   UV (200nm) to IR(1100nm).  They find appl...
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  • Laser Mirrors

    Laser Mirrors are the high reflection coatings designed for the use of laser reflection. They are designed for either single line, multi line or broadband type sources. The hard, durable dielectric...
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  • Antireflection coating

    Anti Reflection Coatings

    Anti reflection coatings are transmission enhancement coatings which when deposited on the optics will increase the trhoughput into the system, reduce the stray light, and prevent the back surface ...
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  • Beam spiliter

    Beam splitters

    An optical element which divides the beam in to two different beam in different directions is a beam splitter. Configuration wise they are broadly divided into two types as cube beam splitter and p...
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  • Metallic coatings

    Metallic coatings

    Metallic coatings provide the broadband reflection than the dielectric mirrors. The reflection from the metallic mirror is less sensitive to the angle of incidence and polarization of the input lig...
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  • Optical windows

    Windows are used to allow optical radiation to pass from one environment to another without allowing other components of these environments to mix. Considerations in selecting windows may include t...
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  • NIR Filters

    Near Infrared transmitting filters reflect virtually all visible light while allowing only near infrared photons to pass through them. NIR FILTERS FOR NEAR INFRARED ILLUMINATION A popular a...
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  • EMI Shielding Coatings

    EMI shielding coatings on plastic enclosures EMI is any electrical signal that disturbs the function of a circuit, cable or other electronic component. EMI can originate from other equipment or...
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  • Antireflection coating

    Infrared coatings

    HHV has been a solution provider of infrared technology, including Gold coating on ZnS domes AR Coatings on Germanium Diamond Like Carbon Coatings, etc. GOLD COATINGS ON Z...
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  • Decorative Coatings

    Physical Vapor Deposition (PVD) of thin films has become popular decorative applications, such as decorative items for watch industry, fashion accessories, glass beads, acrylic beads, glass beaded ...
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  • Thin Film Circuits

    Thin film metallization for HMC, thin film circuits, RF/ Microwave etc. Thin film circuit metallization schemes at HHV are deposited by magnetron sputtering method and the deposited metal layer...
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  • ITO Coatings

    THIN FILM CERAMIC HEATERS HHV offers thin film coatings for heating applications where accuracy, precise control and rapid heating are of utmost importance. Temperature can be controlled throug...
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  • Hard Coatings

    In recent times, the silicon dioxide (silica) coating has been found variety of applications ranging from gas diffusion barrier coatings to tribological coatings. In this invention, silica coating ...
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  • Operation theatre reflectors

    The lighting environment in an operation theater should be such that there is brightness and clarity without causing needless heating or eye fatigue. The contrast between the lighted area and the s...
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