{"id":32441,"date":"2026-06-25T18:11:00","date_gmt":"2026-06-25T16:11:00","guid":{"rendered":"https:\/\/www.chinasmartbuy.com\/blog\/?p=32441"},"modified":"2026-06-25T15:35:08","modified_gmt":"2026-06-25T13:35:08","slug":"ibm-chip-sotto-1-nanometro-0-7-nm","status":"publish","type":"post","link":"https:\/\/www.chinasmartbuy.com\/blog\/ibm-chip-sotto-1-nanometro-0-7-nm\/","title":{"rendered":"IBM presenta il primo chip sotto 1 nanometro: tecnologia a 0,7 nm con NanoStack"},"content":{"rendered":"\n\n<style>\n  :root {\n    --red: #CC1B1B;\n    --red-light: rgba(204,27,27,0.08);\n    --red-mid: #e84040;\n    --accent-soft-bg: rgba(204,27,27,0.07);\n    --accent-soft-border: rgba(204,27,27,0.18);\n    --text: #1a1a1a;\n    --text-muted: #666;\n    --card: #ffffff;\n    --border: #ebebeb;\n    --page-bg: #ffffff;\n    --surface-soft: #fafafa;\n    --surface-contrast: #f0f0f0;\n    --line-soft: #f5f5f5;\n    --soft-label: #bbb;\n    --muted-label: #999;\n    --copy: #333;\n    --font-head: 'Bebas Neue', sans-serif;\n    --font-body: 'DM Sans', sans-serif;\n    --heading-spacing: 0.04em;\n    --heading-weight: 400;\n    --spec-header-spacing: 0.08em;\n    --quickfacts-shadow: 0 10px 24px rgba(15,23,42,0.06);\n  }\n  .fbp5-wrap,.fbp5-wrap * { box-sizing:border-box; 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flex-shrink:0; }\n  .fbp5-scheda-val { padding:11px 16px; font-size:14px; color:var(--text); font-weight:500; line-height:1.5; }\n  @media(max-width:600px) {\n    .fbp5-wrap { padding:0 14px 60px; gap:40px; }\n    .fbp5-section h2 { font-size:32px; }\n    .fbp5-scheda-row { flex-direction:column; }\n    .fbp5-scheda-key { width:100%; }\n    .rh-phonebox-header { padding:18px 16px; flex-direction:column; align-items:center; }\n    .rh-phonebox-hero { width:150px; height:200px; }\n    .rh-phonebox-highlights { grid-template-columns:repeat(2,minmax(0,1fr)); }\n    .rh-phonebox-colors { padding:16px; }\n    .rh-phonebox-section { grid-template-columns:1fr; }\n    .rh-phonebox-section-label { padding:14px 20px; border-right:none; border-bottom:1px solid var(--border); }\n    .rh-phonebox-section-values { padding:14px 20px; }\n    .rh-affbox-grid { grid-template-columns:1fr; }\n    .rh-affbox-col:not(:last-child) { border-right:none; border-bottom:1px solid var(--line-soft); }\n    .rh-affbox-cta { width:100%; }\n    .rh-downloadbox-head { flex-direction:column; }\n    .rh-downloadbox-link { width:100%; }\n    .rh-offerbox-head { flex-direction:column; }\n    .rh-offerbox-links { grid-template-columns:1fr; }\n    .rh-offer-inline-wrap { flex-direction:column; align-items:flex-start; }\n    .rh-offer-inline-cta { width:100%; }\n  }\n<\/style>\n<div class=\"fbp5-wrap rh-json-article\" id=\"rh-article-mqtjnyvr-eq14h\" data-rh-article-type=\"news\" data-rh-site-profile=\"china-smart-buy\">\n  <div class=\"fbp5-intro\">\n    \n    <p>IBM ha annunciato una svolta importante nel settore dei semiconduttori con la prima tecnologia per chip <strong>sotto 1 nanometro<\/strong>. Il nuovo traguardo porta l&#8217;architettura dei transistor a <strong>0,7 nanometri<\/strong>, indicati anche come 7 angstrom, spingendo la miniaturizzazione verso una scala sempre pi\u00f9 vicina ai limiti atomici.<\/p><p>Il dato pi\u00f9 concreto riguarda la densit\u00e0: su un chip grande quanto un&#8217;unghia si possono integrare quasi <strong>100 miliardi di transistor<\/strong>, con una densit\u00e0 vicina al doppio rispetto al chip IBM a 2 nanometri presentato nel 2021. Per chi guarda all&#8217;evoluzione di AI, cloud e infrastrutture di calcolo, \u00e8 un passo tecnico da seguire con attenzione.<\/p>\n  <\/div><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/06\/ibm-il-primo-chip-sotto-1-nanometro-605b4300-6c7c-4cad-b8b7-58b4-mgbenwdzyd.png\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/06\/ibm-il-primo-chip-sotto-1-nanometro-605b4300-6c7c-4cad-b8b7-58b4-mgbenwdzyd.png\" alt=\"\u534a\u5bfc\u4f53\u884c\u4e1a\u91cd\u5927\u7a81\u7834\uff01IBM \u63a8\u51fa\u5168\u7403\u9996\u4e2a\u4e9a 1 \u7eb3\u7c73\u82af\u7247\u6280\u672f\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n  \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Tecnologia<\/div>\n        <h2>IBM porta i chip a 0,7 nanometri con una <span>nuova architettura 3D<\/span><\/h2>\n        <p>La novit\u00e0 ruota attorno a <strong>NanoStack<\/strong>, una nuova architettura di transistor sviluppata da IBM che adotta un design tridimensionale a nanosheet. Invece di disporre i transistor solo sul piano, la struttura li impila in verticale e li sfasa, cos\u00ec da aumentare il numero di elementi integrabili nella stessa area del chip.<\/p><p>Questo approccio usa l&#8217;integrazione sequenziale 3D e permette anche di impiegare materiali differenti nei vari strati, cos\u00ec da ottimizzare in modo separato prestazioni ed efficienza energetica. IBM descrive NanoStack come il primo design noto nel settore per transistor a nanosheet tridimensionali, evoluzione diretta della propria architettura a nanosheet gi\u00e0 introdotta in precedenza.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Nodo dichiarato di <strong>0,7 nanometri<\/strong>, equivalente a 7 angstrom.<\/li><li>Quasi <strong>100 miliardi di transistor<\/strong> in un chip grande quanto un&#8217;unghia.<\/li><li>Densit\u00e0 di transistor vicina al doppio rispetto al chip IBM a 2 nanometri del 2021.<\/li><li>Struttura 3D con transistor impilati verticalmente per aumentare la capacit\u00e0 a parit\u00e0 di superficie.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Nome architettura<\/div>\n        <div class=\"rh-quickfacts-value\">NanoStack<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Tipo di design<\/div>\n        <div class=\"rh-quickfacts-value\">Transistor a nanosheet tridimensionali<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Obiettivo principale<\/div>\n        <div class=\"rh-quickfacts-value\">Pi\u00f9 densit\u00e0, pi\u00f9 prestazioni e migliore efficienza<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Scala tecnologica<\/div>\n        <div class=\"rh-quickfacts-value\">Sotto 1 nanometro<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Il passaggio pi\u00f9 interessante non \u00e8 solo la riduzione del nodo, ma il cambio di struttura: IBM punta su un design 3D per continuare a scalare anche quando la miniaturizzazione tradizionale si avvicina ai limiti fisici.<\/div>\n        <div class=\"fbp5-info\">Nella nomenclatura moderna dei chip, il nodo non corrisponde pi\u00f9 in modo diretto a una misura fisica esatta, ma rappresenta una generazione tecnologica.<\/div>\n        \n      <div class=\"fbp5-scheda\">\n        <div class=\"fbp5-scheda-header\">Dati tecnici chiave della nuova piattaforma IBM<\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Nodo tecnologico<\/div>\n            <div class=\"fbp5-scheda-val\">0,7 nanometri<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Equivalenza<\/div>\n            <div class=\"fbp5-scheda-val\">7 angstrom<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Densit\u00e0 dichiarata<\/div>\n            <div class=\"fbp5-scheda-val\">Quasi 100 miliardi di transistor per chip grande quanto un&#8217;unghia<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Confronto generazionale<\/div>\n            <div class=\"fbp5-scheda-val\">Densit\u00e0 vicina al doppio del chip IBM a 2 nanometri del 2021<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Architettura<\/div>\n            <div class=\"fbp5-scheda-val\">NanoStack 3D a nanosheet<\/div>\n          <\/div>\n        \n      <\/div>\n    \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Prestazioni<\/div>\n        <h2>Prestazioni ed efficienza migliorano rispetto ai <span>2 nanometri<\/span><\/h2>\n        <p>IBM indica che, rispetto a un chip a 2 nanometri, la nuova tecnologia pu\u00f2 offrire fino al <strong>50% di prestazioni in pi\u00f9<\/strong> oppure fino al <strong>70% di efficienza energetica in pi\u00f9<\/strong>, a seconda del punto di lavoro scelto. \u00c8 un risultato rilevante soprattutto per carichi come AI generativa, data center e cloud infrastructure, dove consumo e throughput hanno un impatto diretto sui costi.<\/p><p>L&#8217;azienda ha anche validato la fattibilit\u00e0 del progetto con diversi esperimenti, tra cui bonding di strati dielettrici ultrasottili nell&#8217;integrazione CMOS, ingegneria a doppio canale e inverter CMOS con comportamento di commutazione in linea con le attese.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Fino al <strong>50%<\/strong> di incremento prestazionale rispetto al nodo a 2 nanometri.<\/li><li>Fino al <strong>70%<\/strong> di miglioramento dell&#8217;efficienza energetica.<\/li><li>SRAM riducibile fino al <strong>40%<\/strong>, con vantaggi per densit\u00e0 e banda nei carichi AI avanzati.<\/li><li>Target d&#8217;uso: AI generativa, infrastrutture cloud e prossima generazione di elettronica.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Ambiti applicativi<\/div>\n        <div class=\"rh-quickfacts-value\">AI, cloud, elettronica avanzata<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Validazione tecnica<\/div>\n        <div class=\"rh-quickfacts-value\">Esperimenti CMOS completati<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Vantaggio strutturale<\/div>\n        <div class=\"rh-quickfacts-value\">Ottimizzazione indipendente dei singoli strati<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Per il mondo dei semiconduttori il punto chiave \u00e8 che IBM prova a migliorare insieme densit\u00e0, potenza di calcolo ed efficienza, tre aspetti che oggi sono decisivi nei sistemi AI.<\/div>\n        <div class=\"fbp5-info\">La riduzione della SRAM \u00e8 particolarmente utile perch\u00e9 libera area sul chip e pu\u00f2 aiutare a sostenere carichi con forte richiesta di trasferimento dati ad alta banda.<\/div>\n        \n      <div class=\"fbp5-scheda\">\n        <div class=\"fbp5-scheda-header\">Benefici attesi rispetto al chip IBM a 2 nanometri<\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Prestazioni<\/div>\n            <div class=\"fbp5-scheda-val\">Fino al 50% in pi\u00f9<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Efficienza energetica<\/div>\n            <div class=\"fbp5-scheda-val\">Fino al 70% in pi\u00f9<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">SRAM<\/div>\n            <div class=\"fbp5-scheda-val\">Fino al 40% pi\u00f9 compatta<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Tecniche validate<\/div>\n            <div class=\"fbp5-scheda-val\">Bonding dielettrico ultrasottile, doppio canale, inverter CMOS<\/div>\n          <\/div>\n        \n      <\/div>\n    \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Tempistiche<\/div>\n        <h2>Quando pu\u00f2 arrivare in produzione la <span>tecnologia NanoStack<\/span><\/h2>\n        <p>IBM ritiene che NanoStack possa essere applicata gi\u00e0 ai primi nodi sotto 1 nanometro e stima un possibile ingresso in produzione entro i prossimi <strong>cinque anni<\/strong>. L&#8217;azienda vede questa piattaforma come una base capace di sostenere almeno un decennio di sviluppo nei processi semiconduttori.<\/p><p>Per ora si tratta di una tecnologia di ricerca avanzata, non di un prodotto commerciale con listino o disponibilit\u00e0 immediata. Proprio per questo il dato pi\u00f9 utile \u00e8 la finestra temporale: se i tempi verranno rispettati, NanoStack potrebbe diventare uno dei riferimenti della prossima generazione di chip ad alte prestazioni.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Possibile ingresso in produzione entro <strong>5 anni<\/strong>.<\/li><li>Applicazione prevista a partire dai nodi sotto 1 nanometro.<\/li><li>Piattaforma considerata utile per almeno <strong>10 anni<\/strong> di evoluzione dei processi.<\/li><li>Nessun prezzo o disponibilit\u00e0 commerciale annunciati al momento.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Stato attuale<\/div>\n        <div class=\"rh-quickfacts-value\">Tecnologia di ricerca avanzata<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Orizzonte strategico<\/div>\n        <div class=\"rh-quickfacts-value\">Almeno 10 anni di sviluppo<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Non c&#8217;\u00e8 ancora un prodotto da acquistare, ma c&#8217;\u00e8 una timeline concreta che colloca questa architettura tra le basi pi\u00f9 promettenti per i chip del prossimo ciclo industriale.<\/div>\n        <div class=\"fbp5-info\">Il salto sotto 1 nanometro conta soprattutto come indicazione di direzione tecnologica: mostra che la miniaturizzazione pu\u00f2 proseguire anche cambiando radicalmente l&#8217;architettura interna del transistor.<\/div>\n        \n      <div class=\"fbp5-scheda\">\n        <div class=\"fbp5-scheda-header\">Tempistiche e posizionamento della tecnologia<\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Maturit\u00e0 attuale<\/div>\n            <div class=\"fbp5-scheda-val\">Dimostrazione tecnologica<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Avvio produzione stimato<\/div>\n            <div class=\"fbp5-scheda-val\">Entro cinque anni<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Durata prevista della piattaforma<\/div>\n            <div class=\"fbp5-scheda-val\">Almeno dieci anni<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Disponibilit\u00e0 commerciale<\/div>\n            <div class=\"fbp5-scheda-val\">Non comunicata<\/div>\n          <\/div>\n        \n      <\/div>\n    \n      <\/section>\n    \n<\/div><div class=\"rh-attribution-pills\" style=\"display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-start;margin:16px 0 0\"><a href=\"https:\/\/www.ithome.com\/0\/968\/648.htm\" target=\"_blank\" rel=\"noopener\" title=\"Via: VIA\" aria-label=\"Via: VIA\" 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