CLEMENTINE DOSIMETRY

This paper presents radiation dosimetry results from the radiation and reliability assurance experiments on the Clementine spacecraft and In terstage Adapter Satellite. The dosimetry instruments utilize low-dose -response p-channel field-effect-transistor and proton-sensitive stati c-RAM dosimeters. These dosimeters successfully demonstrated an order- of-magnitude decrease in instrument weight and power from previous sys tems. The data confirm prelaunch predictions of the total-dose effects on charge-coupled-device dark current and on complementary-metal-oxid e-semiconductor 1.2 and 0.8-mu m technology design and process paramet ers in the space environment. A solar proton event during the early ph ases of the mission allowed a comparison between the Clementine measur ed proton fluence and energy spectra and the Geostationary Operational Environmental Satellite 6 measured proton fluence and energy spectra. These data confirmed the proton-spectrometer design and operation.