Triton and alpha-particle contribution from LiF converter for neutron dosimeter

A personnel neutron dosimeter prototype based on chemical and electrochemic al etched CR-39 detector, combined with LiF converter, has been calibrated using an ICRP-like phantom, under a heavy-water moderated Californium sourc e neutron spectra; A conversion factor of 1.052+/-126 spots cm(-2) mSv(-1) was obtained. The sealing properties of the detector holder showed a ten-fo ld reduction in radon background when it was tested in a high radon atmosph ere. A convenient mechanical shock resistance was achieved in LiF converter s by sintering to 11 tons pressure LiF powder at 650 degrees C, during one hour.