Request InfoSpectrum Thin Films Inc.Spectrum Thin Films Corp. has expanded its optical coating capabilities with the addition of a coating machine with a 54-in. box evaporator and five planets for substrates up to 18 in. in diameter and for more complex coatings using pulsed ion beam technology. The custom-designed machine features substrate heaters, an ion source for low-temperature coatings, generic tooling and computer control. It also monitors thickness of metal films and includes an optical monitoring system for high accuracy. 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