Ingota SiC momo 4H Dia 4 inihi 6 inihi Matotoru 5-10mm Rangahau / Tauira Tauira
Ngā Āhuatanga
1. Hanganga me te Aronga o te Karaihe
Momo maha: 4H (hanganga hexagonal)
Ngā Pūmau Whakarewa:
a = 3.073 Å
c = 10.053 Å
Te Aronga: Ko te tikanga [0001] (papa-C), engari kei te wātea hoki ētahi atu aronga pēnei i te [11\overline{2}0] (papa-A) mēnā ka tonoa.
2. Ngā Ahu ā-Tino
Diameter:
Ngā kōwhiringa paerewa: 4 inihi (100 mm) me 6 inihi (150 mm)
Matotoru:
Kei te wātea mai i te 5-10 mm te whānui, ka taea te whakarite kia rite ki ngā whakaritenga o te tono.
3. Ngā Āhuatanga Hiko
Momo Tāpiri: Kei te wātea i roto i te ā-roto (haurua-whakamaroke), te momo-n (kua tāpirihia ki te hauota), te momo-p rānei (kua tāpirihia ki te konumohe, ki te boron rānei).
4. Ngā Āhuatanga Wera me te Āhuatanga Ā-Mīhini
Aroturuki Wera: 3.5-4.9 W/cm·K i te pāmahana rūma, e āhei ai te tuku wera pai rawa atu.
Te pakeketanga: Ko te tauine Mohs he 9, ko te SiC te tuarua o te pakeketanga i muri i te taimana.
| Tawhā | Ngā Taipitopito | Wāhanga |
| Tikanga Whakatipu | PVT (Te Kawenga Kohu Tinana) | |
| Diameter | 50.8 ± 0.5 / 76.2 ± 0.5 / 100.0 ± 0.5 / 150 ± 0.5 | mm |
| Momo maha | 4H / 6H (50.8 mm), 4H (76.2 mm, 100.0 mm, 150 mm) | |
| Te whakatakotoranga o te mata | 0.0˚ / 4.0˚ / 8.0˚ ± 0.5˚ (50.8 mm), 4.0˚ ± 0.5˚ (ētahi atu) | tohu |
| Momo | Momo-N | |
| Matotoru | 5-10 / 10-15 / >15 | mm |
| Te whakatakotoranga papatahi tuatahi | (10-10) ± 5.0˚ | tohu |
| Roa Papatahi Tuatahi | 15.9 ± 2.0 (50.8 mm), 22.0 ± 3.5 (76.2 mm), 32.5 ± 2.0 (100.0 mm), 47.5 ± 2.5 (150 mm) | mm |
| Te whakatakotoranga papatahi tuarua | 90˚ CCW mai i te aronga ± 5.0˚ | tohu |
| Roa Papatahi Tuarua | 8.0 ± 2.0 (50.8 mm), 11.2 ± 2.0 (76.2 mm), 18.0 ± 2.0 (100.0 mm), Kāore (150 mm) | mm |
| Tau | Rangahau / Tauira |
Ngā tono
1. Rangahau me te Whakawhanake
He tino pai te anga 4H-SiC taumata-rangahau mō ngā taiwhanga mātauranga me ngā taiwhanga ahumahi e arotahi ana ki te whakawhanake i ngā taputapu e hangai ana ki te SiC. Nā tōna kounga tioata teitei ka taea te whakamātautau tika i ngā āhuatanga SiC, pēnei i:
Ngā rangahau mō te nekenekehanga o ngā kaikawe.
Ngā tikanga tautuhi me te whakaiti i te hapa.
Te arotau i ngā tukanga tipu epitaxial.
2. Papanga Tauira
He whānuitia te whakamahinga o te ingota tauira rūpahu i roto i ngā mahi whakamātautau, whakatikatika, me te hanga tauira. He huarahi utu iti tēnei hei whakakapi mō:
Te whakatikatika i ngā tawhā tukanga i roto i te Whakatakotoranga Kohu Matū (CVD) me te Whakatakotoranga Kohu Tinana (PVD).
Te aromatawai i ngā tukanga whakairo me te whakakanapa i roto i ngā taiao hangahanga.
3. Ngā Hikohiko Mana
Nā te whānui o te āputa ira me te kawe wera nui, he tūāpapa te 4H-SiC mō ngā hikohiko mana, pērā i:
Ngā MOSFET ngaohiko-tiketike.
Ngā Diode Ārai Schottky (SBD).
Ngā Pūwhakawhiti Pānga-Wāhi Hononga (JFET).
Kei roto i ngā tono ko ngā kaitahuri waka hiko, ngā kaitahuri pūngao rā, me ngā whatunga atamai.
4. Ngā Pūrere Auau-Teitei
Nā te nui o te nekenekehanga irahiko me te iti o ngā ngaronga kaha o te rauemi, he mea pai mō:
Ngā pūwhakawhiti Auautanga Reo Irirangi (RF).
Ngā pūnaha whakawhitiwhiti kōrero ahokore, tae atu ki te hanganga 5G.
Ngā tono rererangi me te ārai e hiahia ana ki ngā pūnaha radar.
5. Ngā Pūnaha Ātete-Irahiko
Nā te ātete ā-roto o te 4H-SiC ki te kino o te irahiko, he mea nui tēnei i roto i ngā taiao uaua pēnei i:
Ngā taputapu tūhuratanga ātea.
Ngā taputapu aroturuki tipu hiko karihi.
Ngā hikohiko taumata hōia.
6. Ngā Hangarau Hou
I te whanaketanga haere o te hangarau SiC, ka tipu haere tonu ōna tono ki ngā mara pēnei i:
Te rangahau i te hangarau whakaahua me te rorohiko irahiko.
Te whakawhanaketanga o ngā pūoko LED me ngā pūoko UV kaha-tiketike.
Te whakaurunga ki roto i ngā hanganga rerekē o te haurua whakawhiti whānui-rohe.
Ngā Painga o te Ingota 4H-SiC
Teitei o te Parakore: I hangaia i raro i ngā tikanga tino pakari hei whakaiti i ngā poke me te matotoru o ngā hapa.
Āhuatanga Tauine: E wātea ana i ngā diameter 4-inihi me te 6-inihi hei tautoko i ngā hiahia paerewa ahumahi me ngā hiahia rangahau.
Ngā Mahi Whānui: Ka taea te urutau ki ngā momo tāpiringa me ngā aronga rerekē kia tutuki ai ngā whakaritenga tono motuhake.
Mahi Pakari: Tino pumau te pāmahana me te ā-pūkaha i raro i ngā āhuatanga mahi tino kino.
Whakamutunga
Ko te ingota 4H-SiC, me ōna āhuatanga tino pai me ōna tono whānui, kei mua i te auahatanga rauemi mō ngā hikohiko me ngā optoelectronics o te whakatupuranga e whai ake nei. Ahakoa e whakamahia ana mō te rangahau mātauranga, te tauira ahumahi, te hanga taputapu matatau rānei, ka whakaratohia e ēnei ingota he tūāpapa pono mō te pana i ngā rohe o te hangarau. Me ngā inenga, te tāpiringa, me ngā whakatakotoranga ka taea te whakarite, ka hangaia te ingota 4H-SiC kia tutuki ai ngā hiahia e whanake haere ana o te umanga semiconductor.
Mena kei te hiahia koe ki te ako atu, ki te tuku ota rānei, tēnā whakapā mai ki a mātou mō ngā taipitopito me ngā kōrero hangarau.
Kauwhata Taipitopito
