{"id":178357,"date":"2026-09-24T13:05:01","date_gmt":"2026-09-24T06:05:01","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=178357"},"modified":"2026-09-24T13:05:04","modified_gmt":"2026-09-24T06:05:04","slug":"cxmt-phat-trien-dram-12nm-the-he-thu-5","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/cxmt-phat-trien-dram-12nm-the-he-thu-5\/","title":{"rendered":"C\u00f4ng ty CXMT Trung Qu\u1ed1c ph\u00e1t tri\u1ec3n DRAM 12nm th\u1ebf h\u1ec7 th\u1ee9 5"},"content":{"rendered":"\n

PV Tech News – CXMT Trung Qu\u1ed1c v\u1eeba ch\u00ednh th\u1ee9c b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u1edbi c\u00f4ng ngh\u1ec7 DRAM th\u1ebf h\u1ec7 th\u1ee9 5 (G5), s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt in th\u1ea1ch b\u1ea3n t\u1ee9 tr\u00f9ng (quadruple-patterning) \u0111\u1ec3 thu nh\u1ecf n\u1eeda b\u01b0\u1edbc s\u00f3ng (half-pitch) v\u00f9ng ho\u1ea1t \u0111\u1ed9ng xu\u1ed1ng c\u00f2n 11,95nm, \u0111\u01b0a c\u00f4ng ngh\u1ec7 DRAM n\u1ed9i \u0111\u1ecba Trung Qu\u1ed1c ti\u1ec7m c\u1eadn nh\u00f3m ti\u1ebfn tr\u00ecnh 10nm-class ti\u00ean ti\u1ebfn tr\u00ean th\u1ebf gi\u1edbi.<\/strong><\/p>\n\n\n\n

Cu\u1ed9c \u0111ua thu nh\u1ecf ti\u1ebfn tr\u00ecnh s\u1ea3n xu\u1ea5t DRAM \u0111ang di\u1ec5n ra ng\u00e0y c\u00e0ng kh\u1ed1c li\u1ec7t khi nhu c\u1ea7u b\u1ed9 nh\u1edb cho smartphone, AI v\u00e0 c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng th\u1ebf h\u1ec7 m\u1edbi li\u00ean t\u1ee5c t\u0103ng cao. Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, CXMT \u2013 nh\u00e0 s\u1ea3n xu\u1ea5t DRAM h\u00e0ng \u0111\u1ea7u Trung Qu\u1ed1c v\u1eeba c\u00f4ng b\u1ed1 c\u00f4ng ngh\u1ec7 ti\u1ebfn tr\u00ecnh th\u1ebf h\u1ec7 th\u1ee9 5, \u0111\u01b0\u1ee3c c\u00f4ng ty g\u1ecdi t\u00ean l\u00e0 G5. \u0110i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 ch\u1ec9 s\u1ed1 half-pitch v\u00f9ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u01b0a xu\u1ed1ng 11,95nm, t\u01b0\u01a1ng \u1ee9ng v\u1edbi pitch v\u00f9ng ho\u1ea1t \u0111\u1ed9ng 23,9nm, \u0111\u01b0a th\u00f4ng s\u1ed1 n\u00e0y v\u00e0o ph\u1ea1m vi t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 DRAM 10nm-class ti\u00ean ti\u1ebfn kh\u00e1c tr\u00ean th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, CXMT l\u01b0u \u00fd con s\u1ed1 n\u00e0y kh\u00f4ng th\u1ec3 quy \u0111\u1ed5i tr\u1ef1c ti\u1ebfp sang c\u00e1c k\u00fd hi\u1ec7u node DRAM truy\u1ec1n th\u1ed1ng m\u00e0 c\u00e1c h\u00e3ng kh\u00e1c th\u01b0\u1eddng d\u00f9ng.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 cao h\u01a1n, CXMT \u0111\u00e3 \u00e1p d\u1ee5ng quy tr\u00ecnh HKMG (high-K metal gate) t\u1ed1i \u01b0u ri\u00eang cho DRAM, gi\u00fap gi\u1ea3m chi\u1ec1u cao c\u1ee7a m\u1ea3ng \u00f4 nh\u1edb l\u00f5i (core cell array) xu\u1ed1ng c\u00f2n 6.762nm. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f4ng ty c\u0169ng \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u m\u1edbi (ch\u01b0a \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9 chi ti\u1ebft) \u0111\u1ec3 t\u1ea1o ra t\u1ee5 \u0111i\u1ec7n l\u01b0u tr\u1eef (storage capacitor) c\u00f3 t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh (aspect ratio) gi\u1eefa \u0111\u1ed9 s\u00e2u v\u00e0 \u0111\u1ed9 r\u1ed9ng \u0111\u1ea1t kho\u1ea3ng 45:1 \u2013 ngh\u0129a l\u00e0 t\u1ee5 \u0111i\u1ec7n s\u00e2u g\u1ea5p 45 l\u1ea7n so v\u1edbi chi\u1ec1u r\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n\n\n\n

\"C\u00f4ng
CXMT c\u00f4ng b\u1ed1 c\u00f4ng ngh\u1ec7 DRAM th\u1ebf h\u1ec7 5 v\u1edbi half-pitch 11,95nm (Ngu\u1ed3n: Internet)<\/em><\/figcaption><\/figure>\n\n\n\n

T\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh c\u00e0ng cao th\u00ec m\u1eadt \u0111\u1ed9 \u00f4 nh\u1edb tr\u00ean m\u1ed7i wafer c\u00e0ng l\u1edbn, gi\u00fap nh\u00e0 s\u1ea3n xu\u1ea5t fit \u0111\u01b0\u1ee3c nhi\u1ec1u m\u1ea3ng b\u1ed9 nh\u1edb h\u01a1n tr\u00ean c\u00f9ng di\u1ec7n t\u00edch, t\u1eeb \u0111\u00f3 t\u0103ng dung l\u01b0\u1ee3ng d\u1ef1 ki\u1ebfn tr\u00ean m\u1ed7i chip. Tuy nhi\u00ean, \u0111\u00e2y c\u0169ng l\u00e0 b\u00e0i to\u00e1n kh\u00f3 v\u1edbi quy tr\u00ecnh kh\u1eafc (etching) v\u00e0 l\u1eafng \u0111\u1ecdng (deposition), v\u00ec t\u1ef7 l\u1ec7 c\u00e0ng cao th\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t v\u1edbi hi\u1ec7u su\u1ea5t (yield) cao c\u00e0ng tr\u1edf n\u00ean th\u00e1ch th\u1ee9c h\u01a1n. \u0110\u1ec3 so s\u00e1nh, SK hynix t\u1eebng cho bi\u1ebft t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh c\u1ee7a t\u1ee5 \u0111i\u1ec7n s\u1ebd c\u1ea7n v\u01b0\u1ee3t m\u1ed1c 100:1 khi k\u00edch th\u01b0\u1edbc DRAM t\u1edbi h\u1ea1n gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 10nm trong t\u01b0\u01a1ng lai, cho th\u1ea5y CXMT v\u1eabn c\u00f2n m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i ph\u00eda tr\u01b0\u1edbc n\u1ebfu mu\u1ed1n theo k\u1ecbp c\u00e1c t\u00ean tu\u1ed5i h\u00e0ng \u0111\u1ea7u.<\/p>\n\n\n\n

S\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 G5 \u0111\u01b0\u1ee3c CXMT c\u00f4ng b\u1ed1 l\u00e0 d\u00f2ng chip LPDDR5X dung l\u01b0\u1ee3ng 24Gb, hi\u1ec7n \u0111\u00e3 b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. So v\u1edbi th\u1ebf h\u1ec7 s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng tr\u01b0\u1edbc \u0111\u00f3 c\u1ee7a ch\u00ednh CXMT, d\u00f2ng chip m\u1edbi c\u00f3 dung l\u01b0\u1ee3ng cao h\u01a1n t\u1edbi 50%, \u0111\u1ed3ng th\u1eddi \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi hai d\u1ea1ng \u0111\u00f3ng g\u00f3i kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Theo c\u00e1c b\u00e1o c\u00e1o t\u1ea1i Trung Qu\u1ed1c, chip LPDDR5X 24Gb m\u1edbi \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c trang b\u1ecb tr\u00ean c\u00e1c m\u1eabu smartphone flagship n\u1ed9i \u0111\u1ecba, \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong n\u1ed7 l\u1ef1c t\u1ef1 ch\u1ee7 chu\u1ed7i cung \u1ee9ng b\u1ed9 nh\u1edb c\u1ee7a n\u01b0\u1edbc n\u00e0y.<\/p>\n\n\n\n

\"C\u00f4ng
Chip LPDDR5X 24Gb s\u1eed d\u1ee5ng ti\u1ebfn tr\u00ecnh G5 \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean smartphone flagship Trung Qu\u1ed1c (Ngu\u1ed3n: Internet)<\/em><\/figcaption><\/figure>\n\n\n\n

Vi\u1ec7c CXMT ti\u1ebfn v\u00e0o nh\u00f3m c\u00f4ng ngh\u1ec7 DRAM 10nm-class ph\u1ea3n \u00e1nh n\u1ed7 l\u1ef1c thu h\u1eb9p kho\u1ea3ng c\u00e1ch v\u1edbi c\u00e1c t\u00ean tu\u1ed5i l\u1edbn nh\u01b0 Samsung, SK hynix hay Micron trong b\u1ed1i c\u1ea3nh Trung Qu\u1ed1c \u0111\u1ea9y m\u1ea1nh t\u1ef1 ch\u1ee7 chu\u1ed7i cung \u1ee9ng b\u00e1n d\u1eabn. D\u00f9 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a G5 kh\u00f3 c\u00f3 th\u1ec3 so s\u00e1nh tr\u1ef1c ti\u1ebfp 1:1 v\u1edbi c\u00e1c ti\u1ebfn tr\u00ecnh c\u1ea1nh tranh do kh\u00e1c bi\u1ec7t trong c\u00e1ch \u0111o l\u01b0\u1eddng v\u00e0 thi\u1ebft k\u1ebf, b\u01b0\u1edbc ti\u1ebfn n\u00e0y v\u1eabn cho th\u1ea5y CXMT \u0111ang d\u1ea7n l\u00e0m ch\u1ee7 nh\u1eefng c\u00f4ng ngh\u1ec7 then ch\u1ed1t nh\u01b0 in th\u1ea1ch b\u1ea3n \u0111a l\u1edbp v\u00e0 t\u1ee5 \u0111i\u1ec7n t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh cao \u2013 v\u1ed1n l\u00e0 r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt l\u1edbn nh\u1ea5t khi ti\u1ebfn tr\u00ecnh DRAM ng\u00e0y c\u00e0ng thu nh\u1ecf.<\/p>\n\n\n\n

V\u1edbi ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng, s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a chip LPDDR5X dung l\u01b0\u1ee3ng cao h\u01a1n t\u1eeb CXMT c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n t\u0103ng ngu\u1ed3n cung b\u1ed9 nh\u1edb gi\u00e1 c\u1ea1nh tranh tr\u00ean th\u1ecb tr\u01b0\u1eddng smartphone Trung Qu\u1ed1c, \u0111\u1ed3ng th\u1eddi l\u00e0 y\u1ebfu t\u1ed1 \u0111\u00e1ng theo d\u00f5i v\u1edbi b\u1ea5t k\u1ef3 ai quan t\u00e2m \u0111\u1ebfn bi\u1ebfn \u0111\u1ed9ng gi\u00e1 linh ki\u1ec7n b\u1ed9 nh\u1edb trong th\u1eddi gian t\u1edbi, do c\u00e1c \u0111\u1ed9ng th\u00e1i \u1edf ph\u00e2n kh\u00fac s\u1ea3n xu\u1ea5t th\u01b0\u1eddng k\u00e9o theo t\u00e1c \u0111\u1ed9ng d\u00e2y chuy\u1ec1n \u0111\u1ebfn gi\u00e1 RAM ti\u00eau d\u00f9ng \u1edf c\u00e1c chu k\u1ef3 sau.<\/p>\n\n\n\n

Hi\u1ec7n CXMT ch\u01b0a c\u00f4ng b\u1ed1 k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng c\u00f4ng ngh\u1ec7 G5 sang c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m DRAM kh\u00e1c ngo\u00e0i LPDDR5X, c\u0169ng nh\u01b0 l\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n ti\u1ebfn tr\u00ecnh th\u1ebf h\u1ec7 ti\u1ebfp theo. Theo d\u00f5i Phong V\u0169 Tech News<\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt nh\u1eefng tin t\u1ee9c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t m\u1ed7i ng\u00e0y nh\u00e9!<\/p>\n\n\n\n

Ngu\u1ed3n: Tomshardware<\/em><\/p>\n\n\n\n

B\u00e0i vi\u1ebft li\u00ean quan:<\/strong> <\/p>\n\n\n\n