美国Moxtek
Moxtek公司成立于1986年，分为X射线部门和光学器件部门，是全球知名的高科技企业，为客户提供创新的产品应用方案。

Moxtek是国际上第一个生产小型X光管的公司之一，另外在X射线部门还提供Sin-PIN探测器、超低噪声结型场效应晶体管(JFET)、铍窗和超薄聚合物X射线光窗等产品。其产品被广泛应用于高性能X射线设备，如EDXRF,WDXRF和XRF等，为XRF客户提供X光管、Si-PIN探测器及数字脉冲发生器的全套解决方案。

Moxtek的光学部门主要生产可见光的光学线栅偏振片，主要应用于全球知名投影仪上
MOXTEK™, Inc. was founded in 1986 with a technology jointly developed with Brigham Young University. MOXTEK has developed a strong presence in the x-ray and optical component markets through a combination of technology excellence and superior customer service.
MOXTEK manufactures several analytical x-ray components including: ultra-thin films, specialty coatings, ultra-low noise electronics, miniature x-ray sources, and Si-PIN x-ray detectors.

MOXTEK is also skilled in the technology and manufacture of specialized optical products. In 2002, MOXTEK introduced the ProFlux™ polarizer. This polarizer exhibits superior performance in high flux projection systems such as those used in business projectors and rear projection HDTV televisions. The ProFlux™ polarizer was awarded the 2002 Silver Award by the Society for Information Display (SID) in recognition of its outstanding contribution. The ProFlux™ polarizer and more recent beam splitter components have achieved wide acceptance in the market.

Moxtek was acquired in 2004 by Polatechno Co., Ltd. (PLC). PLC is headquartered in Niigata, Japan and was established in July 1991 as a joint venture between Nippon Kayaku Co., Ltd. and Arisawa Manufacturing Co., Ltd. PLC is a market leader in optical parts for LCD projectors. PLC has production facilities in Niigata, Japan and Wuxi/Zhuhai, China. PLC has distribution partnerships in Hong Kong, South Korea and Taiwan