Manufacturing Industry

Self-tinting glass

Advanced Ceramics Report, August, 1994

A method of making self-tinting glass and self-dimming mirrors which is based on the use of suspended particles has been developed by Research Frontiers Inc, a US research company based in Woodbury, New York. This technique should allow components to be made at a lower cost than current electrochromic-based systems, the company says. According to Automotive News (Detroit, Michigan, USA), the devices are made by sandwiching a liquid or film with encapsulated suspended particles of polyiodide crystals between positively and negatively charged coatings and two glass plates. When the electric current is switched on between the coatings, the light absorbing particles align with the positive and negative charges and so light can pass through the glass easily. When the current...

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