11 Dec 2006 Patented Process Enables Micron-scale Precision Patterning of Optical Thin Film Coatings. Dunedin, Fla., November 2006 - Ocean Optics’ novel optical coatings production method combines optical thin film deposition techniques with microlithographic procedures. This patented process enables micron-scale precision patterning of dichroic coatings on a single substrate, and can be integrated into products such as coated envelopes for architectural lighting, color wheels for entertainment applications, spectral imaging filters for scientific instrumentation, and multi-layer RGB filters - or multi-layer filters in an unlimited number of colors as a single filter array - for devices such as CCD camera detectors and LCD panels.
What’s more, with the patterning process we can create multi-patterned arrays of different optical filters for use in dense wavelength division multiplexers, micromechanical devices and optical waveguide-based devices. The process also can be applied to multi-part bonded filter applications common to the manufacture of digital data projectors.
In fact, a wide variety of optical coatings can be patterned, including dielectric multi-layer reflectors, bandpass filters, dichroic edge filters and broadband anti-reflection coatings. In addition, the Ocean Optics technique can be used to deposit enhanced metal reflectors, low-reflectivity opaque metals and electrically conductive transparent patterns.
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