Hi, Just wondering, How do micro machines function in that harsh environment? Even Jupiter has very strong magnetic field Voyager I and II passed beyond of it many years ago. As much as I recall, they are still operating further the solar system at minus 200C degrees. What made that possible? (Special shielding?, unique manufacturing technique?, rare pcb designs?) Besides, I remember that one or two year ago a PIC18F family MCU was used in a satellite, any news about the satellite and the MCU? Thanks, G=F6khan SEVER. PS: In fact, I should have asked these questions to a NASA specialist, but I don't know anybody from the NASA. Maybe we have someone here :) -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist