Ngā Papa Wafer hei Rauemi Matua i roto i ngā Pūrere Ārahi-Haumaru
Ko ngā papa angiangi ngā kaikawe ā-tinana o ngā taputapu haurua-ira, ā, ko ō rātou āhuatanga rauemi te mea e whakatau tika ana i te mahi a te taputapu, te utu, me ngā mara tono. Kei raro nei ngā momo matua o ngā papa angiangi me ō rātou painga me ō rātou ngoikoretanga:
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Te Wāhanga Mākete:Neke atu i te 95% o te mākete semiconductor o te ao e kapi ana i tēnei.
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Ngā Painga:
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Utu iti:He nui ngā rauemi mata (te hauhāora hiko), ngā tukanga hanga kua pakari, me ngā ōhanga tauine pakari.
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Te hototahitanga o ngā tukanga teitei:He tino pakari te hangarau CMOS, e tautoko ana i ngā pona matatau (hei tauira, 3nm).
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He kounga tioata tino pai:Ka taea te whakatipu i ngā papa angiangi nui te whānui (ko te nuinga he 12-inihi te whānui, 18-inihi kei te whanakehia) me te iti o te mātotoru hapa.
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Ngā āhuatanga ā-pūkaha pumau:He ngāwari ki te tapahi, ki te whakakanapa, me te pupuri.
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Ngā ngoikoretanga:
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Āputa whāiti (1.12 eV):He nui te turuturu o te iahiko i ngā pāmahana teitei, ka whakawhāiti i te whai huatanga o te taputapu hiko.
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Āputa hononga ā-kore:He tino iti te pai o te tukunga mārama, kāore e tika mō ngā taputapu hikohiko pēnei i ngā rama LED me ngā rama taiaho.
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Te nekehanga iti o te irahiko:He iti iho te mahi auau-teitei ki te whakataurite ki ngā haurua-ārahi matū.
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Ngā tono:Ngā taputapu RF auau-tiketike (5G/6G), ngā taputapu hikohiko (ngā rēhia, ngā pūtau rā).
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Ngā Painga:
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Te nekenekehanga teitei o ngā irahiko (5–6× te nekenekehanga o te silicon):He pai mō ngā tono tere-tiketike, auau-tiketike pērā i te whakawhitiwhiti kōrero mirimita-ngaru.
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Āputa whakawhiti tika (1.42 eV):Te tahuritanga hiko whakaahua-teitei, te tūāpapa o ngā taiaho whero me ngā rama LED.
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Te ātete ki te pāmahana teitei me te irahiko:He pai mō ngā mahi rererangi me ngā taiao uaua.
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Ngā ngoikoretanga:
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Te utu nui:He iti ngā rauemi, he uaua te tipu o te tioata (he ngāwari ki te nekeneke), he iti te rahi o te angaanga (6-inihi te nuinga).
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Ngā tikanga pakarukaru:He ngāwari ki te pakaru, ka iti ai te hua tukatuka.
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Paitini:Me tino kaha te whakahaere me te aro turuki i te taiao mō te āheni.
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3. Karāpi Hiraka (SiC)
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Ngā tono:Ngā taputapu hiko pāmahana teitei me te ngaohiko teitei (ngā kaitahuri EV, ngā teihana utu), te rererangi.
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Ngā Painga:
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Te āputa whānui (3.26 eV):He kaha pakaru teitei (10× te kaha o te silicon), he ātete ki te pāmahana teitei (te pāmahana whakahaere >200 °C).
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Te kawe wera teitei (≈3× silicon):He tino pai te torengi wera, e āhei ai te whakanui ake i te mātotoru mana o te pūnaha.
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Te ngaronga whakawhiti iti:Ka whakapai ake i te pai o te hurihanga mana.
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Ngā ngoikoretanga:
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Te whakarite i te papa oneone uaua:He puhoi te tipu o te tioata (>1 wiki), he uaua te whakahaere i ngā hapa (ngā paipa iti, ngā nekehanga), he tino nui te utu (5–10× te silicon).
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Rahi iti o te angaanga:Ko te nuinga he 4–6 inihi; ko te 8-inihi kei te hangaia tonutia.
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He uaua ki te tukatuka:He tino mārō (Mohs 9.5), ā, he roa te wā e pau ana ki te tapahi me te whakakanapa.
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4. Nitride Kariuma (GaN)
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Ngā tono:Ngā taputapu hiko auau-tiketike (te utu tere, ngā teihana turanga 5G), ngā rama LED/reira kikorangi.
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Ngā Painga:
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Te nekenekehanga irahiko tino teitei + te āputa whānui (3.4 eV):Ka whakakotahi i te mahi auau-tiketike (>100 GHz) me te mahi ngaohiko-tiketike.
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He iti te ātete ki te pakaru:Ka whakaiti i te ngaronga hiko o te pūrere.
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Hototahi ki te heteroepitaxy:He mea whakatipu noa i runga i ngā papa hiko, hapaira, SiC rānei, kia iti ake ai te utu.
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Ngā ngoikoretanga:
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He uaua te tipu o te karaihe kotahi:He mea whānui te heteroepitaxy, engari ka puta mai ngā hapa i te kore e taurite te whatunga whatunga.
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Te utu nui:He tino utu nui ngā papa GaN taketake (ka taea e te papa wafer 2-inihi te utu i ngā mano tāra USD).
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Ngā wero mō te pono:Me arotake ngā āhuatanga pēnei i te hinganga o nāianei.
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5. Iniuma Phosphide (InP)
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Ngā tono:Ngā whakawhitiwhiti kōrero whatu tere-teitei (ngā rēseri, ngā taputapu whakaahua), ngā taputapu terahertz.
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Ngā Painga:
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Te nekenekehanga irahiko tino teitei:Ka tautoko i te mahi >100 GHz, ka pai ake i te GaAs.
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Te āputa whakawhiti tika me te taurite o te roangaru:Rauemi matua mō ngā whakawhitiwhiti kōrero muka whatu 1.3–1.55 μm.
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Ngā ngoikoretanga:
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He pakarukaru, he tino utu nui hoki:Neke atu i te 100× te utu o te paparanga i te silicon, he iti noa ngā rahi o te angaanga (4–6 inihi).
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6. Hapira (Al₂O₃)
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Ngā tono:Rama LED (papa epitaxial GaN), karāhe uhi hikohiko kaihoko.
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Ngā Painga:
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Utu iti:He iti ake te utu i ngā papa SiC/GaN.
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Te pumau matū tino pai:Ātete ki te waikura, tino ārai mate.
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Māramatanga:He pai mō ngā hanganga LED poutū.
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Ngā ngoikoretanga:
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Te korenga o te ōritenga o te whatunga ki te GaN (>13%):He nui te mātotoru o ngā hapa, e hiahiatia ana he paparanga ārai.
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Te kawe wera ngoikore (~1/20 o te silicon):Ka whakawhāiti i te mahi a ngā rama LED mana-tiketike.
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7. Ngā Papa Uku (AlN, BeO, me ētahi atu)
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Ngā tono:Ngā hora wera mō ngā waeine mana-tiketike.
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Ngā Painga:
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Ārai wera + kawe wera teitei (AlN: 170–230 W/m·K):He pai mō ngā takai matotoru.
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Ngā ngoikoretanga:
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Kore-kotahi-kiriata:Kāore e taea te tautoko tika i te tipu o te taputapu, ka whakamahia anake hei papa takai.
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8. Ngā Papa Motuhake
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SOI (Hikona i runga i te Ārai):
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Hanganga:Hanawiti silicon/SiO₂/silicon.
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Ngā Painga:Ka whakaiti i te kaha pirinoa, ka whakapakeketia e te irahiko, ka pehi i te turuturu (e whakamahia ana i roto i te RF, MEMS).
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Ngā ngoikoretanga:30–50% te utu nui atu i te silicon papatipu.
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Kuata (SiO₂):Whakamahia ana i roto i ngā kopare whakaahua me ngā MEMS; ātete ki te pāmahana teitei engari he tino pakarukaru.
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Taimana:Ko te papa whakarewa wera teitei rawa atu (>2000 W/m·K), kei raro i te R&D mō te tino marara o te wera.
Ripanga Whakarāpopototanga Whakataurite
| Papa raro | Āputa roopu (eV) | Te Nekehanga Irahiko (cm²/V·s) | Te Arahi Wera (W/m·K) | Rahi Matua o te Wafer | Ngā Taupānga Matua | Utu |
|---|---|---|---|---|---|---|
| Si | 1.12 | ~1,500 | ~150 | 12-inihi | Maramara Arorau / Mahara | Te iti rawa |
| Ngā GaA | 1.42 | ~8,500 | ~55 | 4–6 inihi | RF / Optoelectronics | Teitei |
| SiC | 3.26 | ~900 | ~490 | 6-inihi (R&D 8-inihi) | Ngā taputapu hiko / EV | Tino Teitei |
| GaN | 3.4 | ~2,000 | ~130–170 | 4–6 inihi (heteroepitaxy) | Utu tere / RF / LED | Teitei (heteroepitaxy: waenga) |
| InP | 1.35 | ~5,400 | ~70 | 4–6 inihi | Ngā whakawhitiwhiti kōrero whatu / THz | Tino Teitei |
| Hapira | 9.9 (whakamarumaru) | – | ~40 | 4–8 inihi | Ngā papa LED | Iti |
Ngā Take Matua mō te Kōwhiringa Papatūānuku
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Ngā whakaritenga mahi:GaAs/InP mō te auau-tiketike; SiC mō te ngaohiko-tiketike, pāmahana-tiketike; GaAs/InP/GaN mō ngā hikohiko opto.
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Ngā herenga utu:He pai ake ki ngā hikohiko kaihoko te silicon; ka taea e ngā mara utu nui te whakamana i ngā utu SiC/GaN.
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Te uauatanga o te whakaurunga:Kāore e taea te whakakapi i te silicon mō te hototahitanga CMOS.
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Te whakahaere wera:Ko ngā tono mana-teitei e pai ake ana ki te SiC, ki te GaN rānei e hangai ana ki te taimana.
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Te pakeketanga o te mekameka tuku:Si > Sapphire > GaAs > SiC > GaN > InP.
Auahatanga o te Ao o Mua
Mā te whakaurunga rerekē (hei tauira, GaN-on-Si, GaN-on-SiC) ka whakataurite i te mahi me te utu, ka akiaki i ngā whanaketanga i roto i te 5G, ngā waka hiko, me te rorohiko irahiko.
Wā tuku: 21 o Ākuhata-2025