{"id":8817,"date":"2026-04-10T15:12:59","date_gmt":"2026-04-10T07:12:59","guid":{"rendered":"https:\/\/www.sic-wafers.com\/?p=8817"},"modified":"2026-04-10T15:14:02","modified_gmt":"2026-04-10T07:14:02","slug":"tai-sao-cac-chat-nen-cacbua-silic-lai-tro-thanh-vat-lieu-khong-the-thieu-trong-linh-vuc-nang-luong-moi-va-5g","status":"publish","type":"post","link":"https:\/\/www.sic-wafers.com\/vi\/why-silicon-carbide-substrates-have-become-a-must-have-material-for-new-energy-and-5g\/","title":{"rendered":"T\u1ea1i sao ch\u1ea5t n\u1ec1n cacbua silic l\u1ea1i tr\u1edf th\u00e0nh \u201cv\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu\u201d cho l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng m\u1edbi v\u00e0 5G"},"content":{"rendered":"
<\/div>\n

1. Gi\u1edbi thi\u1ec7u: T\u1eeb nh\u1eefng gi\u1edbi h\u1ea1n c\u1ee7a silicon \u0111\u1ebfn nh\u1eefng b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong c\u00f4ng ngh\u1ec7 d\u1ea3i c\u1ea5m r\u1ed9ng<\/h3>\n\n\n\n

Khi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p to\u00e0n c\u1ea7u \u0111ang \u0111\u1ea9y m\u1ea1nh qu\u00e1 tr\u00ecnh \u0111i\u1ec7n kh\u00ed h\u00f3a v\u00e0 s\u1ed1 h\u00f3a, c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn truy\u1ec1n th\u1ed1ng d\u1ef1a tr\u00ean silicon (Si) \u0111ang d\u1ea7n \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0 hi\u1ec7u su\u1ea5t. C\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 xe \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 truy\u1ec1n th\u00f4ng 5G \u0111\u00f2i h\u1ecfi c\u00e1c thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p cao h\u01a1n, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 t\u1ea7n s\u1ed1 cao h\u01a1n.<\/p>\n\n\n\n

Trong b\u1ed1i c\u1ea3nh n\u00e0y, cacbua silic (SiC), m\u1ed9t lo\u1ea1i ch\u1ea5t b\u00e1n d\u1eabn khe n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng ti\u00eau bi\u1ec3u, \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u quan tr\u1ecdng. Trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn SiC, Substrate SiC<\/a> \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng, l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t v\u00e0 RF hi\u1ec7u su\u1ea5t cao. Ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u c\u1ee7a n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed th\u1ebf h\u1ec7 m\u1edbi.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

2. C\u00e1c t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a ch\u1ea5t n\u1ec1n cacbua silic<\/h3>\n\n\n\n

Cacbua silic l\u00e0 m\u1ed9t ch\u1ea5t b\u00e1n d\u1eabn h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed silic v\u00e0 cacbon trong m\u1ed9t m\u1ea1ng tinh th\u1ec3 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb b\u1ec1n v\u1eefng. C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u v\u1ed1n c\u00f3 c\u1ee7a n\u00f3 gi\u00fap mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi silic truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

Kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng (~3,2 eV)<\/strong>
Kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng c\u1ee7a SiC g\u1ea5p kho\u1ea3ng ba l\u1ea7n so v\u1edbi silicon, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 400\u00b0C. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m b\u1edbt s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ph\u1ee9c t\u1ea1p v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

\u0110i\u1ec7n tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ph\u00e2n r\u00e3 cao<\/strong>
SiC c\u00f3 \u0111i\u1ec7n tr\u01b0\u1eddng t\u1edbi h\u1ea1n cao g\u1ea5p g\u1ea7n 10 l\u1ea7n so v\u1edbi silicon, gi\u00fap c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p cao h\u01a1n nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p thi\u1ebft k\u1ebf c\u00e1c c\u1ea5u tr\u00fac thi\u1ebft b\u1ecb m\u1ecfng h\u01a1n v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed5n th\u1ea5t d\u1eabn \u0111i\u1ec7n.<\/p>\n\n\n\n

\u0110\u1ed9 d\u1eabn nhi\u1ec7t cao<\/strong>
V\u1edbi \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao g\u1ea5p kho\u1ea3ng ba l\u1ea7n so v\u1edbi silicon, SiC c\u00f3 th\u1ec3 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng su\u1ea5t cao.<\/p>\n\n\n\n

M\u1ea5t m\u00e1t chuy\u1ec3n m\u1ea1ch th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 cao<\/strong>
C\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean SiC mang l\u1ea1i t\u1ed1c \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch nhanh h\u01a1n v\u00e0 t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng t\u1ea7n s\u1ed1 cao v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n

Nh\u1eefng \u0111\u1eb7c t\u00ednh k\u1ebft h\u1ee3p n\u00e0y khi\u1ebfn c\u00e1c ch\u1ea5t n\u1ec1n SiC tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed \u0111\u00f2i h\u1ecfi kh\u1eaft khe m\u00e0 silicon kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

3. S\u1ea3n xu\u1ea5t \u0111\u1ebf SiC: M\u1ed9t quy tr\u00ecnh c\u00f3 r\u00e0o c\u1ea3n cao<\/h3>\n\n\n\n

Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m n\u1ec1n cacbua silic l\u00e0 m\u1ed9t quy tr\u00ecnh ph\u1ee9c t\u1ea1p v\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7 v\u00e0 \u0111\u00f2i h\u1ecfi v\u1ed1n \u0111\u1ea7u t\u01b0 l\u1edbn, bao g\u1ed3m nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c:<\/p>\n\n\n\n

1. T\u1ea1o tinh th\u1ec3 \u0111\u01a1n (Ph\u01b0\u01a1ng ph\u00e1p PVT)<\/strong>
K\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p v\u1eadn chuy\u1ec3n h\u01a1i v\u1eadt l\u00fd (PVT), trong \u0111\u00f3 b\u1ed9t SiC c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c th\u0103ng hoa \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 2000\u00b0C v\u00e0 t\u00e1i k\u1ebft tinh l\u00ean m\u1ed9t tinh th\u1ec3 h\u1ea1t gi\u1ed1ng. Vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed9 d\u1ed1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u khuy\u1ebft t\u1eadt.<\/p>\n\n\n\n

2. Ch\u1ebf bi\u1ebfn ph\u00f4i<\/strong>
Tinh th\u1ec3 kh\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt tia X v\u00e0 \u0111\u01b0\u1ee3c gia c\u00f4ng c\u01a1 h\u1ecdc th\u00e0nh h\u00ecnh tr\u1ee5 \u0111\u1ed3ng nh\u1ea5t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u01b0\u1edbng tinh th\u1ec3 nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n

3. C\u1eaft l\u00e1t wafer v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/strong>
Ph\u01b0\u01a1ng ph\u00e1p c\u1eaft b\u1eb1ng d\u00e2y kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eaft kh\u1ed1i tinh th\u1ec3 th\u00e0nh c\u00e1c t\u1ea5m wafer. C\u00e1c c\u00f4ng \u0111o\u1ea1n m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng c\u01a1 h\u00f3a h\u1ecdc (CMP) sau \u0111\u00f3 gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t v\u00e0 t\u1ea1o ra b\u1ec1 m\u1eb7t c\u1ef1c k\u1ef3 m\u1ecbn m\u00e0ng, s\u00e1ng b\u00f3ng nh\u01b0 g\u01b0\u01a1ng \u2013 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 epitaxial.<\/p>\n\n\n\n

4. V\u1ec7 sinh v\u00e0 ki\u1ec3m tra<\/strong>
C\u00e1c quy tr\u00ecnh l\u00e0m s\u1ea1ch ti\u00ean ti\u1ebfn gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t, trong khi c\u00e1c k\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u00e1nh gi\u00e1 c\u00e1c khuy\u1ebft t\u1eadt, \u0111\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a v\u1eadt li\u1ec7u. Ch\u1ec9 nh\u1eefng t\u1ea5m wafer \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t m\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Do \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t kh\u1eafc nghi\u1ec7t v\u00e0 c\u00e1c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t, vi\u1ec7c s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n SiC v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt kh\u00f3 kh\u0103n nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn.<\/p>\n\n\n\n

4. C\u00e1c y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y \u1ee9ng d\u1ee5ng c\u1ed1t l\u00f5i: T\u1ea1i sao ch\u1ea5t n\u1ec1n SiC l\u1ea1i r\u1ea5t quan tr\u1ecdng<\/h3>\n\n\n\n

4.1 Xe \u0111i\u1ec7n (EV)<\/h4>\n\n\n\n

C\u00e1c ch\u1ea5t n\u1ec1n SiC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t nh\u01b0 b\u1ed9 bi\u1ebfn t\u1ea7n, b\u1ed9 s\u1ea1c tr\u00ean xe (OBC) v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i DC-DC. Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a ch\u00fang bao g\u1ed3m:<\/p>\n\n\n\n

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  • Hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n<\/li>\n\n\n\n
  • Gi\u1ea3m t\u1ed5n th\u1ea5t c\u00f4ng su\u1ea5t v\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t sinh ra<\/li>\n\n\n\n
  • C\u00e1c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng nh\u1ecf g\u1ecdn v\u00e0 nh\u1eb9 h\u01a1n<\/li>\n\n\n\n
  • T\u0103ng ph\u1ea1m vi di chuy\u1ec3n v\u00e0 s\u1ea1c nhanh h\u01a1n<\/li>\n<\/ul>\n\n\n\n

    Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y khi\u1ebfn SiC tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 then ch\u1ed1t cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c lo\u1ea1i xe \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n

    4.2 N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n<\/h4>\n\n\n\n

    Trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 b\u1ed9 bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n, b\u1ed9 bi\u1ebfn t\u1ea7n \u0111i\u1ec7n gi\u00f3 v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng, c\u00e1c thi\u1ebft b\u1ecb SiC gi\u00fap c\u1ea3i thi\u1ec7n:<\/p>\n\n\n\n

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    • Hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng<\/li>\n\n\n\n
    • \u0110\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng khi ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i cao<\/li>\n\n\n\n
    • Hi\u1ec7u su\u1ea5t qu\u1ea3n l\u00fd nhi\u1ec7t<\/li>\n<\/ul>\n\n\n\n

      Ch\u00fang c\u0169ng g\u00f3p ph\u1ea7n gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng tr\u00ean c\u00e1c m\u1ea1ng l\u01b0\u1edbi truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i, t\u1eeb \u0111\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c m\u1ee5c ti\u00eau gi\u1ea3m ph\u00e1t th\u1ea3i carbon tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

      4.3 Thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng 5G v\u00e0 thi\u1ebft b\u1ecb t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn<\/h4>\n\n\n\n

      C\u00e1c ch\u1ea5t n\u1ec1n SiC b\u00e1n d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb RF GaN-on-SiC, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c tr\u1ea1m g\u1ed1c 5G. Nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n

        \n
      • M\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao<\/li>\n\n\n\n
      • Kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i<\/li>\n\n\n\n
      • Hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh \u1edf t\u1ea7n s\u1ed1 cao<\/li>\n<\/ul>\n\n\n\n

        Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a t\u00edn hi\u1ec7u trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

        5. Nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee7a ng\u00e0nh v\u00e0 xu h\u01b0\u1edbng trong t\u01b0\u01a1ng lai<\/h3>\n\n\n\n

        M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m, ng\u00e0nh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n SiC v\u1eabn \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c:<\/p>\n\n\n\n

        Ki\u1ec3m so\u00e1t m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt<\/strong>
        C\u00e1c khuy\u1ebft t\u1eadt tinh th\u1ec3 nh\u01b0 \u1ed1ng vi m\u00f4 v\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n tinh th\u1ec3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

        M\u1edf r\u1ed9ng l\u00ean c\u00e1c \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n<\/strong>
        Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb t\u1ea5m wafer 6 inch sang 8 inch \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt cao nh\u01b0ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n

        Chi ph\u00ed s\u1ea3n xu\u1ea5t cao<\/strong>
        Chu k\u1ef3 ph\u00e1t tri\u1ec3n d\u00e0i, n\u0103ng su\u1ea5t th\u1ea5p v\u00e0 quy tr\u00ecnh ch\u1ebf bi\u1ebfn ph\u1ee9c t\u1ea1p l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n l\u00e0m cho chi ph\u00ed c\u1ee7a c\u00e1c t\u1ea5m n\u1ec1n SiC tr\u1edf n\u00ean cao.<\/p>\n\n\n\n

        C\u00e1c h\u01b0\u1edbng ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n\n\n\n

          \n
        • Ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 t\u1ea5m wafer \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (8 inch tr\u1edf l\u00ean)<\/li>\n\n\n\n
        • Gi\u1ea3m m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt th\u00f4ng qua vi\u1ec7c c\u1ea3i ti\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i c\u1ea5y tinh th\u1ec3<\/li>\n\n\n\n
        • N\u00e2ng cao c\u00e1c k\u1ef9 thu\u1eadt \u0111\u00e1nh b\u00f3ng v\u00e0 gia c\u00f4ng<\/li>\n\n\n\n
        • M\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t cao v\u00e0 t\u1ea7n s\u1ed1 cao<\/li>\n<\/ul>\n\n\n\n

          6. K\u1ebft lu\u1eadn: T\u1eeb v\u1eadt li\u1ec7u thay th\u1ebf \u0111\u1ebfn v\u1eadt li\u1ec7u c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/h3>\n\n\n\n

          C\u00e1c ch\u1ea5t n\u1ec1n cacbua silic \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf d\u00e0nh cho th\u1ecb tr\u01b0\u1eddng ng\u00e1ch th\u00e0nh v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed ti\u00ean ti\u1ebfn. C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a ch\u00fang \u0111\u00e3 t\u1ea1o ra nh\u1eefng b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 v\u1ec1 hi\u1ec7u su\u1ea5t, kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

          Khi qu\u00e1 tr\u00ecnh \u0111i\u1ec7n kh\u00ed h\u00f3a v\u00e0 truy\u1ec1n th\u00f4ng t\u1ea7n s\u1ed1 cao ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng tr\u00ean to\u00e0n c\u1ea7u, c\u00e1c ch\u1ea5t n\u1ec1n SiC s\u1ebd \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong vi\u1ec7c th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 th\u1ebf h\u1ec7 m\u1edbi. T\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang kh\u00f4ng c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 t\u00f9y ch\u1ecdn n\u1eefa \u2014 \u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 c\u1ea5u tr\u00fac, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh \u201cv\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu\u201d th\u1ef1c s\u1ef1 trong k\u1ef7 nguy\u00ean n\u0103ng l\u01b0\u1ee3ng m\u1edbi v\u00e0 5G.<\/p>","protected":false},"excerpt":{"rendered":"

          1. Introduction: From Silicon Limits to Wide Bandgap Breakthroughs As global industries accelerate toward electrification and digitalization, conventional silicon (Si)-based semiconductors are approaching their physical and performance limits. Applications such as electric vehicles, renewable energy systems, and 5G communications demand devices that can operate under higher voltages, higher temperatures, and higher frequencies. In this context, […]<\/p>\n","protected":false},"author":2,"featured_media":8818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[27,12],"tags":[1108,1289,1845,2206,1062,2209,2204,1784,2211,1279,2212,2205,2207,1059,1998,1326,1129,1117,2213,1168,1266,2210,1352,1057,1128,1113,2208],"class_list":["post-8817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-companynews","category-news","tag-5g-communication","tag-advanced-materials","tag-cmp-polishing","tag-dc-dc-converter","tag-electric-vehicles","tag-energy-storage-systems","tag-ev-inverter","tag-gan-on-sic","tag-high-frequency-semiconductor","tag-high-voltage-devices","tag-low-switching-loss","tag-onboard-charger-obc","tag-photovoltaic-inverter","tag-power-electronics","tag-pvt-crystal-growth","tag-renewable-energy","tag-rf-devices","tag-semiconductor-materials","tag-semiconductor-processing","tag-sic-substrate","tag-silicon-carbide-wafer","tag-smart-grid","tag-thermal-conductivity","tag-third-generation-semiconductors","tag-wafer-manufacturing","tag-wide-bandgap-semiconductor","tag-wind-power-converter"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G.webp",1536,1024,false],"thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-150x150.webp",150,150,true],"medium":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-300x200.webp",300,200,true],"medium_large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-768x512.webp",768,512,true],"large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-1024x683.webp",800,534,true],"1536x1536":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G.webp",1536,1024,false],"2048x2048":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G.webp",1536,1024,false],"trp-custom-language-flag":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-18x12.webp",18,12,true],"woocommerce_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-300x300.webp",300,300,true],"woocommerce_single":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-600x400.webp",600,400,true],"woocommerce_gallery_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2026\/04\/Why-Silicon-Carbide-Substrates-Have-Become-a-Must-Have-Material-for-New-Energy-and-5G-100x100.webp",100,100,true]},"uagb_author_info":{"display_name":"lydia","author_link":"https:\/\/www.sic-wafers.com\/vi\/author\/lydia\/"},"uagb_comment_info":0,"uagb_excerpt":"1. Introduction: From Silicon Limits to Wide Bandgap Breakthroughs As global industries accelerate toward electrification and digitalization, conventional silicon (Si)-based semiconductors are approaching their physical and performance limits. Applications such as electric vehicles, renewable energy systems, and 5G communications demand devices that can operate under higher voltages, higher temperatures, and higher frequencies. In this context,…","_links":{"self":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/comments?post=8817"}],"version-history":[{"count":1,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8817\/revisions"}],"predecessor-version":[{"id":8819,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8817\/revisions\/8819"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media\/8818"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media?parent=8817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/categories?post=8817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/tags?post=8817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}