thin film ferrite coilthin film inductive read write headthin film magnetoresistorthin film materialthin film resistorthin film transistorthin quad fiat packagethin window counter tubethird harmonicthomson coefficientthomson effectthomson scatteringthomson voltagethoriated tungsten filamentthoriumthreethree dimensionalthree gun color picture tubethree level laserthree phasethree phase asynchronous motorthree phase circuitthree phase currentthree phase generatorthree phase induction generatorthree phase induction motorthree phase installationthree phase linethree phase loadthree phase machinethree phase motirthree phase powerthree phase rectifierthree phase synchronous motorthree phase transformerthree phase windingthree pole switchthree terminal regulatorthree way handshakethree way systemthree wirethree wire controlthrelhod wavelengththremal photographthresholdthreshold currentthreshold effectthreshold energythreshold extension fmthreshold frequency