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Patterned Dichroic Filters
Dec 2006
Deposition Sciences Inc. (DSI)Request Info
SANTA ROSA, Calif., Dec. 1, 2006 -- Deposition Sciences Inc. (DSI), a manufacturer of highly durable thin-film optical coatings, said its new patterned dichroic filters with coating-deposition capabilities are created in-house, using the latest photolithography equipment and its advanced coating techniques, including MicroDyn sputtering technology.

DSI-Patterned-Filter-PR.jpgThis precision deposition technology permits DSI to apply multiple coatings on a single substrate with dimensions as small as 100 microns, with accuracy of plus or minus one micron (+ /-1 µm), and features placement accuracy of + /- 5 µm.

DSI’s patterned filters can be designed to operate over a wide range of wavelengths and offer superior performance from the near-ultraviolet to the infrared. They can be applied to a variety of substrates in many shapes and sizes, as well as wafer substrates up to 100-mm diameter in materials such as silicon, glass, sapphire and fused silica, making them ideal for use in CCD imaging applications where a single optic is required to perform multiple functions. They feature precise patterning and superior reliability, making them especially suited for use in satellite, aircraft and other tasks that require durable, patterned filters for optoelectronic and optomechanical devices.

DSI said the filters will meet or surpass strict adhesion and durability standards maintaining stability even in extreme temperatures and adverse conditions, and that the highly durable, uniform coating is extremely stable over temperature and humidity changes, meeting the severe abrasion, adhesion, humidity and salt fog tests of Mil-C-675 standards.

For more information, visit:; e-mail:

Deposition Sciences
3300 Coffey Lane
Santa Rosa, CA 95403
Phone: (707) 573-6785
Fax: (707) 573-6748


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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