American Polarizers Inc Email Format

ManufacturingPennsylvania, United States11-50 Employees

American Polarizers Inc. is a Reading, Pennsylvania-based manufacturer that designs and produces polarized and non-polarized optical filters for applications including photodetector sensors, avionics, biomedical equipment, and aircraft cabin windows. Founded in 1960 as a division of Smith Kline French, the company operates under an ISO 9001:2015 certified quality system and provides in-house capabilities to support custom engineering and production.

API emphasizes close collaboration with customers, with engineers helping to develop tailored optical solutions. The firm maintains metrology testing and other capabilities to support quality and product development, reflecting its long-standing focus on customer relationships. A concrete recent development is the 2019 introduction of 3M DBEF dual brightness enhancement films to enhance display illumination in a range of devices.

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