COLD MIRROR COATINGS PDF DOWNLOAD

CCCM- Color Correcting Cold Mirror. In the increasingly demanding field of medical lighting, high performance optical coatings are required to correct the color. This can be accomplished with bulk materials or through coatings that are applied to BOROFLOATĀ® glass - ideal for hot and cold mirrors due to its outstanding. Durable Cold-Mirror Coatings for Display Lighting. T.G. Parham and L. Auyang. Introduction. Multilayer interference filters have been used in lighting at least.


COLD MIRROR COATINGS PDF DOWNLOAD

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COLD MIRROR COATINGS PDF DOWNLOAD


A cold mirror can be specified for an cold mirror coatings of incidence ranging from zero to 45 degrees. Learn more Abrisa Technologies provides these heat control filters in thicknesses of 1.

Use of elastomers may be used to impart a number of desirable properties to the cold mirror. Cold mirror coatings example, an elastomeric cold mirror may be deformed to create a variable focal length mirror.

Cold Mirror Optical Coatings for Heat Management

Suitable elastomers for use as alternating polymeric materials in the present invention are described in Schrenk et al, U. The polymeric cold mirrors of the present invention possess major cold mirror coatings over prior art cold mirrors which use expensive and time consuming multilayer dielectric or dichroic coatings which are sequentially deposited on a glass or polymeric substrate by chemical vapor deposition techniques.

The polymeric cold mirrors of the present invention transmit infrared wavelengths of light, reflect visible wavelengths, and can be cold mirror coatings to reflect or absorb ultraviolet wavelengths. Cold mirror coatings, the mirrors can be readily coextruded and can have larger surface areas than prior art cold mirrors.

The mirrors can be formed into simple or complex shapes either during extrusion or by post-forming operations such as thermoforming.

COLD MIRROR COATINGS PDF DOWNLOAD

In addition, they can be laminated to polymeric or nonpolymeric substrates for a variety of applications. As shown schematically n FIG.

Cold Mirrors

Thus, a cold mirror may be formed on any substrate by simply coating the dispersion 26 onto a suitable substrate. Alternatively, as shown schematically in FIG.

COLD MIRROR COATINGS PDF DOWNLOAD

As shown schematically in FIG. A cold mirror may also be formed, as schematically shown in FIG.

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Polymeric cold mirrors in accordance with the present invention cold mirror coatings most advantageously prepared by employing a multilayered coextrusion device as described in U.

Such a device provides a method for preparing multilayered, simultaneously extruded thermoplastic materials, each of which are of a substantially uniform layer thickness.

Cold Mirror coating | near infrared spectrum | infrared - Visible

Preferably, a series of layer multiplying means as are described in U. The feedblock of the coextrusion device receives streams of the diverse thermoplastic cold mirror coatings materials from a source such as a heat plastifying extruder.

The streams of resinous materials are passed to a mechanical manipulating section within the feedblock. This section serves to rearrange the original streams into a multilayered cold mirror coatings having the number of layers desired in the final cold mirror.

Optical Coating Technology - Philip Baumeister - Google Books

Optionally, the multilayered stream may be subsequently passed through cold mirror coatings series of layer multiplying means in order to further increase the number of layers in the final cold mirror. The multilayered stream is then passed into an extrusion die which is so constructed and arranged that streamlined flow is maintained therein.

Such an extrusion device is described in U. The resultant product is extruded to cold mirror coatings a polymeric cold mirror in which each layer is generally parallel to the major surface of adjacent layers.

The configuration of the extrusion die can vary and can be such as to reduce cold mirror coatings thickness and dimensions of each of the layers.

The precise degree of reduction in thickness of the layers delivered from the mechanical orienting section, the configuration of the die, and the amount of mechanical working of the mirror after extrusion are all factors which affect the thickness of the cold mirror coatings layers in the final cold mirror.

Layer thickness gradients may advantageously be introduced into the multilayer body by controlling the volume of heat plastified polymers passing through the feed ports of the co-extrusion device as taught in Schrenk, U.



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