kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
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nax. 2.3-ze warmodgenilia IBM-is tipiuri<br />
magnitorezistuli Tavaki.<br />
gamyofi<br />
nax. 2.3. magnitorezistuli Tavaki<br />
Tavakis wamkiTxav elements magnitorezistuli<br />
sensori warmoadgens, romelic rkina-nikelis (NiFe)<br />
afskisgan Sedgeba. magnituri velis gavleniT rkinanikelis<br />
afskis winaRoba icvleba.<br />
gverdiTi, an SemTxveviTi magnituri velis<br />
zemoqmedebisgan wamkiTxavi elementis dasacavad maekranirebeli<br />
(gamyofi) fena gamoiyeneba. rkina-nikelis<br />
da maekranirebeli fenebi gamoyofilia maRali eleqtruli<br />
winaaRmdegobis mqone feniT.<br />
Caweris simWidrovis gazrdasTan erTad magnitorezistuli<br />
elementebis zomebic mcirdeba. Tanamedrove<br />
TavakebSi gverdiT kontaqtebs Soris arsebuli<br />
rkina-nikelis afskis sigane 0,5 mikrons ar<br />
aRemateba.<br />
giganturi magnitorezistuli Tavaki<br />
1997 wels firma IBM-is mier warmodgenili<br />
iqna magnitorezistuli Tavakis axali, bevrad ufro<br />
maRali mgrZnobiarobis mqone tipi _ giganturi mag-<br />
43<br />
nitorezistuli Tavaki (Giant Magnitoresistive - GMR) (nax.<br />
2.4).<br />
nax. 2.4. giganturi magnitorezistuli Tavaki<br />
GMR efeqti SemdegSi mdgomareobs: magnituri<br />
velSi moTavsebul, sxvadasxva liTonebis uTxelesi<br />
fenebisgan Semdgar gamtars winaRobis cvlilebis<br />
farTo diapazoni gaaCnia.<br />
giganturi magnitorezistuli TavakebSi gamoiyeneba<br />
magnituri liTonebis ori fena, romelTa SuaSic<br />
moTavsebulia aramagnituri masalisgan damzadebuli<br />
gamyofi fena. erT-erTi magnitur fena fiqsirebulia,<br />
anu mas gaaCnia winaswar arCeuli magnituri<br />
orientacia, xolo meore _ Tavisufalia, rac<br />
orientaciis Tavisufal cvlilebas gulisxmobs.<br />
rodesac Tavisufali da fiqsirebuli magnituri<br />
fenebi erTi da igive magnitur orientacias<br />
iReben, saerTo winaRoba mcirdeba, xolo Tu Tavisufali<br />
magnituri fena iRebs fiqsirebuli magnituri<br />
fenis sawinaaRmdego orientacias, mTliani winaRoba<br />
mniSvnelovnad izrdeba.<br />
gigantur magnitorezistul Tavakze magnituri<br />
diskebisaTvis damaxasiaTebeli susti magnituri ve-<br />
44
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