美国Amptek 
美国Amptek公司 XR-100CR X射线探测器
Amptek是一家成立于1977年的高科技公司，致力于设计并制造核检测仪表，在该领域处于世界领先水平。公司产品广泛用于人造卫星、X射线和伽玛射线的探测、实验室、分析仪以及工业上的便携式检测仪器。
公司建立之初是为现阶段的空间仪表提供高性能、高稳定性、体积小以及低功耗的仪器和部件。随后，公司的混合前置放大器成为航天工业的配置标准，并在全球范围内用于地表卫星和外层空间探测器。Amptek已经开发出一系列产品如等离子分析器、电子离子探测器以及辐射监控器等，这些产品被广泛用于军事、科研和商贸等领域。
Amptek is a high technology company and a recognized world leader in the design and manufacture of state-of-the-art nuclear instrumentation for the satellite, x-ray and gamma ray detection, laboratory, analytical, and portable instrumentation industries.

Background
Amptek was founded in 1977 by Alan C. Huber and John A. Pantazis to fulfill the needs of space instrumentation for off-the-shelf, high performance, high reliability, small size and low power dissipation instruments and components. Shortly thereafter, Amptek hybrid preamplifiers became the standard for the space industry as they were used worldwide by instrument makers in both Earth satellites and deep space probes. Numerous plasma analyzers, electron and ion detectors, and radiation monitors have been developed by Amptek and flown in both military, research, and commercial spacecraft.

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Space Related Products
Space applications of Amptek's products include hybrid preamplifiers and front-end electronics, plasma analyzers (ESA), and radiation monitors/dosimeters (CEASE). Some examples of space missions in which Amptek's products have been included or have been selected for flight are:

The Space Shuttle
GIOTTO
AMPTE
SUISEI
GALILEO
CRRES
DMSP
FAST
CHAMP
ASTRO-SPAS
METEOSAT
CHANDRA (AXAF)
NEAR
TSX-5
STRV-1C
PATHFINDER Mission to Mars (U.S.A)
PLANET-B Mission to Mars (Japan)
MUSES-C
MIR
TIROS
GOES
SOLAR
WIND
SOHO
CLUSTER
GEOTAIL
ROSETTA
INTEGRAL
APEX
CASSINI
DSP
Spacebus 4000 for SES Americom Communication Satellites
MESSENGER
Mars Polar Lander
Mars Exploration Rovers
Mars Express/Beagle 2
NOZOMI
THEMIS