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纭洡纾侀牠
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宸ヤ綔鎬ц唱(zh矛)
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鏈�鍒濈闋槸璁�銆佸鍔熻兘涓�璧风殑锛岄�欏皪纾侀牠鐨勫埗閫犲伐钘�銆佹妧琛�(sh霉)閮借姹傚緢楂橈紝鑰屽皪浜庡�嬩汉闆昏叇渚嗚锛屽湪鑸囩‖鐩や氦鎻涙暩(sh霉)鎿�(j霉)鐨勯亷绋嬩腑锛岃畝鍙栨暩(sh霉)鎿�(j霉)閬�(yu菐n)閬�(yu菐n)蹇簬瀵叆鏁�(sh霉)鎿�(j霉)锛岃畝銆佸鎿嶄綔浜岃�呯殑鐗规�т篃瀹屽叏涓嶅悓锛岄�欎篃灏卞皫(d菐o)鑷翠簡璁�銆佸鍒嗛洟鐨勭闋�锛屼簩鑰呭垎鍒ュ伐浣�銆佸悇涓嶅共鎿俱��
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钖勮啘鎰熸噳(y墨ng)(TFI)纾侀牠
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鍚勫悜鐣版�х闃�(AMR)纾侀牠
鍦�1991骞达紝IBM鎻愬嚭浜嗗畠鍩轰簬纾侀樆(MR)鎶�琛�(sh霉)鐨勮畝纾侀牠鎶�琛�(sh霉)鈥曗�曞悇闋呯暟鎬х锛岀闋湪鍜屾棆杞�(zhu菐n)鐨勭鐗囩浉鎺ヨЦ閬庣▼涓�锛岄�氶亷鎰熸噳(y墨ng)纰熺墖涓婄鍫寸殑璁婂寲渚嗚畝鍙栨暩(sh霉)鎿�(j霉)銆傚湪纭洡涓紝纰熺墖鐨勫柈纰熷閲忓拰纾侀牠鎶�琛�(sh霉)鏄浉浜掑埗绱�銆佺浉浜掍績閫茬殑銆俒1]
AMR(Anisotropic Magneto Resistive)90骞翠唬涓湡锛屽笇鎹峰叕鍙告帹鍑轰簡浣跨敤AMR纾侀牠鐨勭‖鐩ゃ�侫MR纾侀牠浣跨敤TFI纾侀牠渚嗗畬鎴愬鎿嶄綔锛屼絾鐢ㄨ杽姊濈殑纾佹�ф潗鏂欎締浣滅偤璁�鍏冧欢銆傚湪鏈夌鍫村瓨鍦ㄧ殑鎯呮硜涓嬶紝钖勬鐨勯浕闃绘渻闅ㄧ鍫磋�岃畩鍖�锛岄�茶�岀敘(ch菐n)鐢熷緢寮风殑淇¤櫉銆傜‖鐩よ瑙ｇ敱浜庣鍫存サ鎬ц畩鍖栬�屽紩璧风殑钖勬闆婚樆璁婂寲锛屾彁楂樹簡璁�闈堟晱搴︺�侫MR纾侀牠閫蹭竴姝ユ彁楂樹簡闈㈠瘑搴�锛岃�屼笖娓涘皯浜嗗厓鍣ㄤ欢鏁�(sh霉)閲�銆傜敱浜嶢MR钖勮啘鐨勯浕闃昏畩鍖栭噺鏈変竴瀹氱殑闄愬害锛孉MR鎶�琛�(sh霉)鏈�澶у彲浠ユ敮鎸�3.3GB/骞虫柟鑻卞鐨勮閷勫瘑搴�锛屾墍浠MR纾侀牠鐨勯潏鏁忓害涔熷瓨鍦ㄦサ闄�銆傞�欏皫(d菐o)鑷翠簡GMR纾侀牠鐨勭爺鐧�(f膩)銆�
GMR(Giant Magneto Resistive锛屽法纾侀樆)
GMR纾侀牠绻兼壙浜員FI纾侀牠鍜孉MR纾侀牠涓噰鐢ㄧ殑璁�/瀵妧琛�(sh霉)銆備絾瀹冪殑璁�纾侀牠灏嶄簬纾佺洡涓婄殑纾佹�ц畩鍖栬〃鐝�(xi脿n)鍑烘洿楂樼殑闈堟晱搴︺�侴MR纾侀牠鏄敱4灞ゅ皫(d菐o)闆绘潗鏂欏拰纾佹�ф潗鏂欒杽鑶滄(g貌u)鎴愮殑锛氫竴鍊嬪偝鎰熷堡銆佷竴鍊嬮潪灏�(d菐o)闆讳腑浠嬪堡銆佷竴鍊嬬鎬х殑鏍撳堡鍜屼竴鍊嬩氦鎻涘堡銆侴MR鍌虫劅鍣ㄧ殑闈堟晱搴︽瘮AMR纾侀牠澶�3鍊�锛屾墍浠ヨ兘澶犳彁楂樼洡鐗囩殑瀵嗗害鍜屾�ц兘銆俒1]
纭洡鐨勭闋暩(sh霉)鍙栨焙浜庣‖鐩や腑鐨勭鐗囨暩(sh霉)锛岀洡鐗囨鍙嶅叐闈㈤兘瀛樺劜钁楁暩(sh霉)鎿�(j霉)锛屾墍浠ヤ竴鍊嬬洡鐗囧皪鎳�(y墨ng)鍏╁�嬬闋墠鑳芥甯稿伐浣�銆傛瘮濡傜附?c猫)钀�?0GB鐨勭‖鐩�锛岄噰鐢ㄥ柈纰熷閲�80GB鐨勭洡鐗�锛岄偅鍙湁涓�寮电洡鐗囷紝瑭茬洡鐗囨鍙嶉潰閮芥湁鏁�(sh霉)鎿�(j霉)锛屽墖灏嶆噳(y墨ng)鍏╁�嬬闋�;鑰屽悓妯ｇ附?c猫)钀�?20GB鐨勭‖鐩�锛岄噰鐢ㄤ簩寮电洡鐗囷紝鍓囧彧鏈変笁鍊嬬闋�锛屽叾涓竴寮电洡鐗囩殑涓�闈㈡矑鏈夌闋�銆�
纾佸付閷勯煶姗熺殑纾侀牠
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