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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.
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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. ... -
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... -
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... -
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 ... -
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... -
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... -
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... -
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... -
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... -
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... -
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 ... -
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... -
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... -
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 ... -
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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