Since 1975, B & M Mica Co., Inc. has fabricated high-precision muscovite and phlogopite mica components for demanding scientific, industrial and optical applications. The Flushing, New York company is particularly known for scratch-free mica windows for Geiger-Muller tubes and proportional counters, including custom shapes made to customer drawings and extremely thin material. Its manufacturing system is certified to ISO 9001:2015, and its stated tolerances reach 0.00005 inch.
ISO 9001:2015 Quality Management Systems
certification