Welcome to Proportional Technologies, Inc.
Proportional Technologies, Inc. (PTI) is introducing a line of neutron detection products based on its patented boron-coated straw (BCS) detector (U.S. Patent 7,002,159). The BCS is a low-cost, reliable technology that converts neutrons in boron (B-10), a material that is high in natural abundance, and has easy, economical isotopic separation methodology.
- Intrinsically insensitive to gamma radiation; requires no signal processing to reject gammas
- Achieves >70% intrinsic efficiency, higher than any other technology
- Very long 30-year lifetime (99%) estimated from rigorous ALT. No scintillators or photomultipliers, known to have lifetime issues
- Advantages over competing technologies (follow link for an overview)
The BCS is an excellent alternative to 3He-based detectors in large-scale / wide-deployment applications, such as portal monitoring, long-range detection, and portable or handheld devices. The following products are currently available in customized configurations:
PTI is continuing development of its large-scale, BCS-based detector panels for neutron scattering instruments. Our new design addresses the need for 3He-free, large detector coverage at the Spallation Neutron Source at Oak Ridge National Laboratory, and other neutron science facilities worldwide:
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