integrated circuits and printed circuit boards increasingly feature copper in place of aluminium because of its superior electrical conductivity; heat sinks and heat exchangers use copper because of its superior heat dissipation properties. electromagnets , vacuum tubes , cathode ray tubes , and magnetrons...
being deployed more and more frequently in russia and ukraine as well. teplotechna's engineers are currently developing a new generation of energy-saving and environmen- tally friendly furnaces featuring high-frequency induction heating technology. the basis for this technology is continuous wave magnetrons...
. he sold slinkys in minutes which was the start of a sensation that continues to this day. [ ] microwave oven a microwave oven with a turntable a microwave oven cooks or heats food by dielectric heating. cooking food with microwaves was discovered by percy spencer on october , , while building magnetrons...
, klystrons, travelling wave tubes, carcinotrons), excluding grid-controlled tubes : -- magnetrons -- klystrons -- other - other valves and tubes : -- receiver or amplifier valves and tubes -- other - parts : -- of cathode-ray tubes -- other diodes, transistors and similar semiconductor devices; photosensitive...
picture iv % . cathode-ray tubes for black and white or other monochrome television picture iv % . television camera tubes; image converters and intensifiers; photo-cathode tubes iv % . other cathode-ray tubes iv % . data / graphic display tubes, other than picture tubes and parts - colour iv % . magnetrons...
colour television picture iv cathode-ray tubes for black and white or other monochrome television picture iv television camera tubes; image converters and intensifiers; photo-cathode tubes iv other cathode-ray tubes iv data / graphic display tubes, other than picture tubes and parts - colour iv magnetrons...