More than 50 pages longer than the previous edition, Sign Gallery 6 presents recent Signs of the Times competition winners, honorable mentions, and others in this expanded edition of electric ...
For temperature control of optical, lens and display assemblies
Dontech (Doylestown, PA) is offering Therma Klear™ transparent heaters, which provide the warmth necessary to extend the operating temperature of LCDs in cold environments (e.g., from 0° to below -40° C) and for the anti-fog, anti-icing, and de-icing of optics and optical camera, sensor and display assemblies.
A Therma Klear™ heater comprises an electrically conductive, thin-film coating on a visually transparent substrate. When current flows across the coating, it generates heat. Dontech manufactures heaters using different types of crystalline materials (e.g., zinc sulfide or germanium), glass, acrylic, and polycarbonate substrates. Applications include avionics displays, vehicle displays, mobile computers, kiosks, and handheld devices. Custom shapes are available in sizes up to 24 inches in diameter.
(215) 348-5010; www.dontech.com
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