Hanganga SiCOI wafer 4 inihi 6 inihi HPSI SiC SiO2 Si subatrate

Whakaahuatanga Poto:

E whakaatu ana tēnei pepa i tētahi tirohanga whānui mō ngā anga Silicon Carbide-on-Insulator (SiCOI), e aro nui ana ki ngā paparanga 4-inihi me te 6-inihi e whakaatu ana i ngā paparanga silicon carbide (SiC) haurua-whakamaroke teitei (HPSI) e herea ana ki ngā paparanga whakamahana silicon dioxide (SiO₂) i runga i ngā paparanga silicon (Si). Ka whakakotahi te hanganga SiCOI i ngā āhuatanga hiko, wera, me te hangarau tino pai o te SiC me ngā painga wehewehe hiko o te paparanga waikura me te tautoko hangarau o te paparanga silicon. Mā te whakamahi i te HPSI SiC ka whakarei ake i te mahi a te taputapu mā te whakaiti i te kawe o te paparanga me te whakaiti i ngā ngaronga pirinoa, ka pai ai ēnei anga mō ngā tono semiconductor mana-teitei, auau-teitei, me te pāmahana-teitei. Ka matapakihia te tukanga hanga, ngā āhuatanga rauemi, me ngā painga hanganga o tēnei whirihoranga maha-paparanga, e whakanui ana i tōna hiranga ki ngā hikohiko mana me ngā pūnaha microelectromechanical o te whakatupuranga e whai ake nei (MEMS). Ka whakatauritea hoki e te rangahau ngā āhuatanga me ngā tono pea o ngā anga SiCOI 4-inihi me te 6-inihi, e whakaatu ana i te kaha tauine me ngā tirohanga whakauru mō ngā taputapu semiconductor matatau.

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Ngā Āhuatanga

Te hanganga o te wafer SiCOI

HPB (Hononga Mahi-Teitei) BIC (Porowhita Whakauru Hononga) me te SOD (hangarau Silicon-on-Diamond, Silicon-on-Insulator-rite rānei). Kei roto i tēnei:

Ngā Inenga Mahi:

Ka whakarārangihia ngā tawhā pēnei i te tika, ngā momo hapa (hei tauira, "Kāore he hapa," "Tawhiti uara"), me ngā inenga matotoru (hei tauira, "Matotoru Papa-Tika/kg").

He ripanga me ngā uara tau (tērā pea he tawhā whakamātautau, he tawhā tukanga rānei) i raro i ngā pane pēnei i te "ADDR/SYGBDT," "10/0," me ētahi atu.

Raraunga Matotoru o te Papa:

Ngā tāurunga maha e tāruaruatia ana, kua tapaina ko "Matotoru L1 (A)" ki "Matotoru L270 (A)" (tērā pea i roto i ngā Ångströms, 1 Å = 0.1 nm).

E whakaaro ana ki tētahi hanganga maha-paparanga me te whakahaere matotoru tika mō ia paparanga, he mea noa i roto i ngā paparanga haurua-ira matatau.

Hanganga Angiangi SiCOI

Ko te SiCOI (Silicon Carbide on Insulator) he hanganga papatahi motuhake e whakakotahi ana i te silicon carbide (SiC) me te paparanga ārai, he rite ki te SOI (Silicon-on-Insulator) engari kua arotauhia mō ngā tono mana-teitei/pāmahana-teitei. Ngā āhuatanga matua:

Te Hanganga o te Papa:

Paparanga o Runga: Te Warowaihā Hiraka Tioata-kotahi (SiC) mō te nekenekehanga hiko teitei me te pumau wera.

Ārai i Tāmaki: Ko te SiO₂ (waikura) te taimana rānei (i roto i te SOD) te tikanga hei whakaiti i te kaha o te pirinoa me te whakapai ake i te wehenga.

Papa Tūāpapa: Silicon, polycrystalline SiC rānei hei tautoko ā-ringa

Ngā āhuatanga o te wafer SiCOI

Ngā Āhuatanga Hiko Āputa Whānui (3.2 eV mō te 4H-SiC): Ka whakahohe i te ngaohiko pakaru teitei (>10× teitei ake i te silicon). Ka whakaiti i ngā ia turuturu, ka whakapai ake i te whai huatanga o ngā taputapu hiko.

Te Nekehanga Irahiko Teitei:~900 cm²/V·s (4H-SiC) vs. ~1,400 cm²/V·s (Si), engari he pai ake te mahi mara-teitei.

Ātete-Iti:He iti ake ngā mate ara iahiko o ngā transistors e hangai ana ki te SiCOI (hei tauira, ngā MOSFET).

Āraitanga Pai Rawa:Ka whakaitihia e te waikura tanumia (SiO₂) te paparanga taimana rānei te kaha o te pirinoa me te whakawhitiwhiti kōrero.

Ngā Āhuatanga WeraTe Awe Wera Teitei: SiC (~490 W/m·K mō te 4H-SiC) vs. Si (~150 W/m·K). Ka taea e te taimana (mēnā ka whakamahia hei ārai) te neke atu i te 2,000 W/m·K, ka whakarei ake i te mararatanga wera.

Te Pūmautanga o te Wera:Ka mahi pono i te >300°C (ki te ~150°C mō te silicon). Ka whakaiti i ngā whakaritenga whakamatao i roto i ngā hikohiko mana.

3. Ngā Āhuatanga Ā-Mīhini me te MatūTe Mārō Tino Nui (~9.5 Mohs): Ka ātete ki te pakaru, ka roa ai te SiCOI mō ngā taiao uaua.

Te Āhuakore o te Matū:Ātete ana i te waikura me te waikura, ahakoa i roto i ngā āhuatanga waikawa/kawakore.

Te Whakawhanuitanga Wera Iti:He pai te hono atu ki ētahi atu rauemi pāmahana teitei (hei tauira, GaN).

4. Ngā Painga Hanganga (ki te SiC Papatipu, SOI rānei)

Ngā Ngaronga Papatūānuku i Whakaitihia:Ka ārai te paparanga whakamarumaru i te turuturu o te au ki roto i te papa.

Te Mahi RF Whakapai Ake:Mā te kaha iti o te pūngao ka taea te whakawhiti tere ake (he pai mō ngā taputapu 5G/mmWave).

Hoahoa Ngāwari:Mā te paparanga angiangi o runga o te SiC ka taea te whakapai ake i te tauine o te taputapu (hei tauira, ngā hongere tino angiangi i roto i ngā transistors).

Te whakataurite ki te SOI me te Bulk SiC

Taonga	SiCOI	SOI (Si/SiO₂/Si)	SiC papatipu
Āputaputa	3.2 eV (SiC)	1.1 eV (Si)	3.2 eV (SiC)
Te Arahi Wera	Teitei (SiC + taimana)	Iti (ka whakawhāitihia e te SiO₂ te rere o te wera)	Teitei (SiC anake)
Ngaohiko Pakaru	Tino Teitei	Waenga	Tino Teitei
Utu	Teitei ake	I raro	Teitei rawa (SiC parakore)

Ngā tono a te wafer SiCOI

Hikohiko Mana
E whakamahia whānuitia ana ngā papa SiCOI i roto i ngā taputapu haurua hiko-tiketike me te mana-tiketike pērā i ngā MOSFET, ngā diode Schottky, me ngā pana hiko. Mā te whānui o te āputa roopu me te ngaohiko pakaru teitei o te SiC ka taea te hurihanga hiko whai hua me te whakaiti i ngā mate me te whakapai ake i te mahi wera.

Ngā Pūrere Auautanga Reo Irirangi (RF)
Ka whakaitihia e te paparanga ārai i roto i ngā anga SiCOI te kaha o te pirinoa, kia pai ai mō ngā transistors me ngā whakakaha auau-tiketike e whakamahia ana i roto i ngā hangarau whakawhitiwhiti kōrero, radar, me te 5G.

Ngā Pūnaha Hikohiko Moroiti (MEMS)
He tūāpapa pakari ngā anga SiCOI mō te hanga i ngā pūoko MEMS me ngā kaiwhakaoho e mahi pono ana i roto i ngā taiao uaua nā te koretake o te matū me te kaha ā-ringa o te SiC.

Ngā Hikohiko Pāmahana-Teitei
Mā te SiCOI ka taea e ngā hikohiko te pupuri i te mahi me te pono i ngā pāmahana teitei, ka whai hua mō ngā tono motuka, rererangi, me ngā tono ahumahi ina kore e ranea ngā taputapu silicon tuku iho.

Ngā Pūrere Whakaahua me ngā Pūrere Optoelectronic
Mā te whakakotahitanga o ngā āhuatanga whatu o te SiC me te paparanga ārai ka taea te whakauru i ngā ara iahiko photonic me te whakahaere wera whakarei ake.

Ngā Hikohiko Whakapakari-Irahiko
Nā te ātete ā-irahiko o te SiC, he tino pai ngā anga SiCOI mō ngā tono ā-wāhi me ngā tono karihi e hiahia ana ki ngā taputapu e ātete ana ki ngā taiao irahiko teitei.

Ngā Pātai me ngā Whakautu a te Wafer SiCOI

P1: He aha te wafer SiCOI?

A: Ko te SiCOI he whakarāpopototanga mō te Silicon Carbide-on-Insulator. He hanganga paparua haurua-haurua tēnei e herea ana he paparanga angiangi o te silicon carbide (SiC) ki tētahi paparanga ārai (ko te nuinga he silicon dioxide, SiO₂), e tautokona ana e tētahi papa silicon. Ka whakakotahi tēnei hanganga i ngā āhuatanga pai o te SiC me te wehenga hiko mai i te ārai.

P2: He aha ngā painga matua o ngā papa SiCOI?

A: Ko ngā painga matua ko te ngaohiko pakaru teitei, te āputa whānui, te kawe wera pai rawa atu, te pakeke miihini pai rawa atu, me te kaha pirinoa iti iho nā te paparanga ārai. Ka hua ake tēnei i te mahi pai ake o te taputapu, te whai huatanga, me te pono.

P3: He aha ngā whakamahinga noa o ngā papa SiCOI?

A: E whakamahia ana ēnei i roto i ngā hikohiko mana, ngā taputapu RF auau-tiketike, ngā pūoko MEMS, ngā hikohiko pāmahana-tiketike, ngā taputapu photonic, me ngā hikohiko whakapakeke-ira.