{"id":4547,"date":"2025-06-30T11:00:00","date_gmt":"2025-06-30T02:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=4547"},"modified":"2025-12-22T10:47:52","modified_gmt":"2025-12-22T01:47:52","slug":"nv-memory-in-mri","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/nv-memory-in-mri\/","title":{"rendered":"MRI\u306b\u304a\u3051\u308b\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u5f79\u5272\u3068\u6700\u65b0\u6d3b\u7528\u4e8b\u4f8b"},"content":{"rendered":"\n<p>MRI\u88c5\u7f6e\u306b\u304a\u3051\u308b\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u5f79\u5272\u3084\u5fc5\u8981\u3068\u3055\u308c\u308b\u7279\u6027\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u3084FRAM\uff08FeRAM\u3001\u5f37\u8a98\u96fb\u4f53\u30e1\u30e2\u30ea\uff09\u306a\u3069\u306e\u6280\u8853\u306e\u7279\u5fb4\u3001\u533b\u7642\u6a5f\u5668\u8a2d\u8a08\u306b\u304a\u3051\u308b\u5b9f\u7528\u4e8b\u4f8b\u3068\u5b89\u5168\u6027\u306e\u8003\u616e\u70b9\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\"><strong>MRI\u5411\u3051\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u4ee3\u8868\u7684\u6280\u8853\u3068\u7279\u5fb4<\/strong><\/h2>\n\n\n\n<p>MRI\u88c5\u7f6e\u306b\u642d\u8f09\u3055\u308c\u308b\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306b\u306f\u3001NAND\u578b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u65e2\u5b58\u6280\u8853\u3068\u3001MRAM\u3084FRAM\u3068\u3044\u3063\u305f\u6b21\u4e16\u4ee3\u578b\u306e\u30e1\u30e2\u30ea\u6280\u8853\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001\u7528\u9014\u3084\u8a2d\u8a08\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u6700\u9069\u5316\u3055\u308c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u3001\u8010\u74b0\u5883\u6027\u3001\u7701\u96fb\u529b\u6027\u3001\u30c7\u30fc\u30bf\u4fdd\u6301\u6027\u80fd\u3068\u3044\u3063\u305f\u70b9\u3067\u7570\u306a\u308b\u7279\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u7279\u306b\u533b\u7642\u5206\u91ce\u3067\u306f\u3001\u78c1\u5834\u3084\u653e\u5c04\u7dda\u3068\u3044\u3063\u305f\u53b3\u3057\u3044\u6761\u4ef6\u4e0b\u3067\u306e\u4fe1\u983c\u6027\u304c\u554f\u308f\u308c\u308b\u305f\u3081\u3001\u5358\u306a\u308b\u8a18\u61b6\u5bb9\u91cf\u3084\u30b9\u30d4\u30fc\u30c9\u3060\u3051\u3067\u306a\u304f\u3001\u52d5\u4f5c\u306e\u78ba\u5b9f\u6027\u3068\u5b89\u5b9a\u6027\u3082\u91cd\u8996\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NAND\u578b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u5229\u7528\u52d5\u5411<\/strong><\/h3>\n\n\n\n<p>NAND\u578b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u3001\u5927\u5bb9\u91cf\u304b\u3064\u30b3\u30b9\u30c8\u52b9\u7387\u306b\u512a\u308c\u305f\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3068\u3057\u3066\u3001MRI\u88c5\u7f6e\u3067\u3082\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u7528\u9014\u3067\u306f\u3001\u6301\u7d9a\u7684\u306a\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u305f\u9ad8\u8010\u4e45\u30e2\u30c7\u30eb\u304c\u9078\u3070\u308c\u307e\u3059\u3002\u6700\u8fd1\u3067\u306fSLC\uff08Single-Level Cell\uff09\u3084MLC\uff08Multi-Level Cell\uff09\u306e\u4f7f\u3044\u5206\u3051\u306b\u3088\u308a\u3001\u7528\u9014\u306b\u5fdc\u3058\u305f\u6700\u9069\u306a\u6027\u80fd\u304c\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u306f\u66f8\u304d\u63db\u3048\u5bff\u547d\u306e\u5236\u9650\u304c\u3042\u308b\u305f\u3081\u3001\u533b\u7642\u6a5f\u5668\u3078\u306e\u642d\u8f09\u6642\u306b\u306f\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u3001ECC\uff08Error Correction Code\uff09\u306a\u3069\u306e\u6a5f\u69cb\u3068\u3068\u3082\u306b\u8a2d\u8a08\u3055\u308c\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>MRAM\u3084FRAM\u306a\u3069\u6b21\u4e16\u4ee3\u30e1\u30e2\u30ea\u306e\u53ef\u80fd\u6027<\/strong><\/h3>\n\n\n\n<p>\u6b21\u4e16\u4ee3\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u308b\u306e\u304c\u3001MRAM\uff08\u78c1\u6c17\u62b5\u6297\u30e1\u30e2\u30ea\uff09\u3084FRAM\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u7570\u306a\u308a\u3001\u66f8\u304d\u63db\u3048\u8010\u6027\u304c\u9ad8\u304f\u3001\u96fb\u529b\u6d88\u8cbb\u304c\u5c11\u306a\u3044\u70b9\u304c\u5229\u70b9\u3067\u3059\u3002\u7279\u306bFRAM\u306f\u3001\u78c1\u5834\u8010\u6027\u3084\u653e\u5c04\u7dda\u8010\u6027\u306b\u3082\u512a\u308c\u3066\u304a\u308a\u3001MRI\u88c5\u7f6e\u306e\u3088\u3046\u306a\u7279\u6b8a\u74b0\u5883\u4e0b\u3067\u306e\u5229\u7528\u306b\u9069\u3057\u305f\u7279\u6027\u3092\u6301\u3061\u307e\u3059\u3002\u307e\u305f\u3001\u77ac\u6642\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u30fb\u5fa9\u5143\u3067\u304d\u308b\u305f\u3081\u3001\u518d\u8d77\u52d5\u6642\u306e\u30b7\u30b9\u30c6\u30e0\u56de\u5fa9\u6642\u9593\u77ed\u7e2e\u306b\u3082\u8ca2\u732e\u3057\u307e\u3059\u3002\u307e\u3060\u5bb9\u91cf\u9762\u3067\u306f\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5c0f\u5bb9\u91cf\u9818\u57df\u3078\u306e\u9ad8\u4fe1\u983c\u6027\u5b9f\u88c5\u306b\u306f\u6709\u52b9\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u5f97\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8010\u78c1\u6027\u30fb\u8010\u653e\u5c04\u7dda\u6027\u3092\u8003\u616e\u3057\u305f\u69cb\u6210\u306e\u5de5\u592b<\/strong><\/h3>\n\n\n\n<p>MRI\u88c5\u7f6e\u306f\u5f37\u529b\u306a\u78c1\u5834\u3092\u767a\u751f\u3055\u305b\u308b\u305f\u3081\u3001\u88c5\u7f6e\u5185\u90e8\u3067\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30e2\u30ea\u306f\u78c1\u6c17\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u3044\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3084MRAM\u3067\u3082\u5bfe\u7b56\u306f\u53d6\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u8010\u78c1\u6027\u306b\u512a\u308c\u305f\u69cb\u6210\u3068\u3057\u3066FRAM\u304c\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u533b\u7642\u65bd\u8a2d\u306b\u3088\u3063\u3066\u306f\u653e\u5c04\u7dda\u306e\u5f71\u97ff\u304c\u8003\u616e\u3055\u308c\u308b\u5834\u9762\u3082\u3042\u308a\u3001\u8010\u653e\u5c04\u7dda\u6027\u306b\u512a\u308c\u305f\u6027\u80fd\u3084\u30b7\u30fc\u30eb\u30c9\u5bfe\u7b56\u3082\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u9078\u5b9a\u3060\u3051\u3067\u306a\u304f\u914d\u7f6e\u3084\u7b50\u4f53\u8a2d\u8a08\u306e\u5de5\u592b\u3082\u3001\u4fe1\u983c\u6027\u78ba\u4fdd\u306e\u9375\u3092\u63e1\u308b\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u533b\u7642\u73fe\u5834\u306b\u304a\u3051\u308b\u5b9f\u7528\u4e8b\u4f8b\u3068\u8a2d\u8a08\u8981\u70b9<\/strong><\/h2>\n\n\n\n<p>\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306f\u3001MRI\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u591a\u304f\u306e\u533b\u7642\u6a5f\u5668\u306b\u304a\u3044\u3066\u3001\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3084\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\u60c5\u5831\u306e\u4fdd\u6301\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8fd1\u5e74\u306e\u4e8b\u4f8b\u3067\u306f\u3001\u5fc3\u96fb\u56f3\u3084\u8133\u6ce2\u30c7\u30fc\u30bf\u306e\u8a18\u9332\u88c5\u7f6e\u306b\u304a\u3044\u3066\u3082\u3001\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u60a3\u8005\u60c5\u5831\u306e\u4fe1\u983c\u6027\u78ba\u4fdd\u3084\u30c7\u30fc\u30bf\u306e\u518d\u5229\u7528\u6027\u5411\u4e0a\u306b\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u533b\u7642\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u4fdd\u5b58\u8981\u4ef6<\/strong><\/h3>\n\n\n\n<p>\u533b\u7642\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3044\u3066\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u306a\u4fdd\u5b58\u3068\u5b89\u5168\u306a\u53d6\u308a\u6271\u3044\u304c\u6700\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u7279\u306bMRI\u753b\u50cf\u306a\u3069\u306e\u8a3a\u65ad\u60c5\u5831\u306f\u3001\u8a3a\u7642\u8a18\u9332\u3068\u3057\u3066\u9577\u671f\u9593\u4fdd\u5b58\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u8a18\u9332\u5a92\u4f53\u306b\u306f\u9ad8\u8010\u4e45\u304b\u3064\u9ad8\u4fe1\u983c\u6027\u306e\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u4fdd\u5b58\u3055\u308c\u308b\u60c5\u5831\u306e\u6a5f\u5bc6\u6027\u3092\u5b88\u308b\u305f\u3081\u306b\u306f\u3001\u6697\u53f7\u5316\u6a5f\u80fd\u3084\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u5b9f\u88c5\u3082\u5fc5\u9808\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u4fdd\u5b58\u30c7\u30fc\u30bf\u304c\u5f8c\u306e\u89e3\u6790\u3084AI\u6d3b\u7528\u306b\u5229\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3082\u5897\u3048\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u7d71\u4e00\u6027\u3084\u6574\u5408\u6027\u306e\u4fdd\u6301\u3082\u91cd\u8996\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3068\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u904b\u7528\u4e8b\u4f8b<\/strong><\/h3>\n\n\n\n<p>MRI\u88c5\u7f6e\u3067\u306f\u3001\u63ee\u767a\u6027\u30e1\u30e2\u30ea\uff08RAM\uff09\u3068\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u304c\u4e00\u822c\u7684\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u51e6\u7406\u306f\u9ad8\u901f\u306aRAM\u3067\u884c\u3044\u3001\u51e6\u7406\u7d50\u679c\u3084\u753b\u50cf\u30c7\u30fc\u30bf\u306f\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306b\u9010\u6b21\u4fdd\u5b58\u3055\u308c\u308b\u8a2d\u8a08\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u308a\u3001\u6027\u80fd\u3068\u5b89\u5168\u6027\u306e\u4e21\u7acb\u304c\u56f3\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u8fd1\u3067\u306f\u3001\u4e00\u90e8\u306e\u88c5\u7f6e\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u7528\u9014\u306bFRAM\u3092\u63a1\u7528\u3059\u308b\u4e8b\u4f8b\u3082\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001\u9ad8\u901f\u6027\u3068\u30c7\u30fc\u30bf\u4fdd\u6301\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u69cb\u6210\u306e\u5b9f\u73fe\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-heading\"><strong>\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n<h3 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