Tsarin SiCOI mai inci 4 inci 6 HPSI SiC SiO2 Si

SiCOI wafer 4in 6in HPSI SiC SiO2 Si tsarin subatrate Hoto Mai Fitowa

Takaitaccen Bayani:

Wannan takarda ta gabatar da cikakken bayani game da wafers ɗin Silicon Carbide-on-Insulator (SiCOI), musamman ma tana mai da hankali kan wafers ɗin silicon Carbide-on-Insulator (SiCOI), waɗanda ke da layukan inci 4 da inci 6 masu tsarkin semi-insulating (HPSI) silicon carbide (SiC) masu ƙarfi waɗanda aka haɗa su da layukan silicon dioxide (SiO₂) masu rufi a saman substrates ɗin silicon (Si). Tsarin SiCOI ya haɗa halayen lantarki, zafi, da na inji na SiC tare da fa'idodin warewar lantarki na Layer oxide da tallafin injiniya na silicon substrates. Amfani da HPSI SiC yana haɓaka aikin na'ura ta hanyar rage tasirin substrate da rage asarar parasitic, yana sa waɗannan wafers su zama masu kyau ga aikace-aikacen semiconductor mai ƙarfi, mai yawa, da zafi mai yawa. An tattauna tsarin ƙera, halayen kayan aiki, da fa'idodin tsarin wannan tsari mai yawa, yana jaddada mahimmancinsa ga tsarin lantarki na zamani da tsarin microelectromechanical (MEMS). Binciken ya kuma kwatanta halaye da yuwuwar aikace-aikacen wafers ɗin SiCOI mai inci 4 da inci 6, yana nuna yuwuwar haɓakawa da haɗakar na'urorin semiconductor masu ci gaba.

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Tsarin wafer na SiCOI

HPB (Babban Haɗin Aiki) BIC (Haɗin Haɗin ...

Ma'aunin Aiki:

Yana lissafa sigogi kamar daidaito, nau'ikan kurakurai (misali, "Babu kuskure," "Nisan darajar"), da ma'aunin kauri (misali, "Kauri mai Layer kai tsaye/kg").

Tebur mai ƙimomin lambobi (mai yiwuwa sigogin gwaji ko na tsari) a ƙarƙashin kanun labarai kamar "ADDR/SYGBDT," "10/0," da sauransu.

Bayanan Kauri na Layer:

Shigarwa mai yawa masu maimaitawa waɗanda aka yiwa lakabi da "Kauri L1 (A)" zuwa "Kauri L270 (A)" (mai yiwuwa a cikin Ångströms, 1 Å = 0.1 nm).

Yana ba da shawarar tsarin da aka yi da yadudduka da yawa tare da daidaitaccen sarrafa kauri ga kowane layi, wanda aka saba da shi a cikin wafers na semiconductor na zamani.

Tsarin Wafer na SiCOI

SiCOI (Silicon Carbide on Insulator) wani tsari ne na musamman na wafer wanda ya haɗa silicon carbide (SiC) tare da wani Layer mai hana ruwa shiga, kamar SOI (Silicon-on-Insulator) amma an inganta shi don aikace-aikacen mai ƙarfi/zafi mai yawa. Muhimman fasaloli:

Tsarin Layer:

Layi na Sama: Silinda Carbide mai lu'ulu'u ɗaya (SiC) don ƙarfin motsi na lantarki da kwanciyar hankali na zafi.

Abin Rufewa: Yawanci SiO₂ (oxide) ko lu'u-lu'u (a cikin SOD) don rage ƙarfin ƙwayoyin cuta da inganta keɓewa.

Tushen Tushe: Silicon ko polycrystalline SiC don tallafin injiniya

SiCOI wafer kaddarorin

Ƙarfin Wutar Lantarki Faɗin Bandgip (3.2 eV don 4H-SiC): Yana ba da damar ƙarfin lantarki mai ƙarfi (>10× sama da silicon). Yana rage kwararar ruwa, yana inganta inganci a cikin na'urorin wutar lantarki.

Babban Motsi na Electron:~900 cm²/V·s (4H-SiC) idan aka kwatanta da ~1,400 cm²/V·s (Si), amma mafi kyawun aiki a fagen daga.

Ƙananan Juriya:Transistors masu tushen SiCOI (misali, MOSFETs) suna nuna ƙarancin asarar watsawa.

Kyakkyawan Rufi:Iskar oxide da aka binne (SiO₂) ko kuma layin lu'u-lu'u yana rage ƙarfin ƙwayoyin cuta da kuma taɓarɓarewa.

Halayen ZafiBabban Watsawar Zafi: SiC (~490 W/m·K don 4H-SiC) idan aka kwatanta da Si (~150 W/m·K). Lu'u-lu'u (idan an yi amfani da shi azaman mai hana ruwa) zai iya wuce 2,000 W/m·K, wanda ke ƙara yawan zubar zafi.

Kwanciyar Hankali:Yana aiki da inganci a >300°C (idan aka kwatanta da ~150°C idan aka kwatanta da silicon). Yana rage buƙatar sanyaya a cikin na'urorin lantarki masu amfani da wutar lantarki.

3. Kayan Inji da SinadaraiTaurin Kai (~ 9.5 Mohs): Yana jure lalacewa, yana sa SiCOI ya daɗe a cikin mawuyacin yanayi.

Rashin daidaiton sinadarai:Yana jure wa iskar shaka da tsatsa, koda a yanayin acidic/alkaline.

Ƙarancin Faɗaɗawar Zafi:Ya dace da sauran kayan da ke da zafi sosai (misali, GaN).

4. Fa'idodin Tsarin (idan aka kwatanta da Babban SiC ko SOI)

Rage Asarar Substrate:Layer mai hana ɓuɓɓugar ruwa yana hana kwararar ruwa zuwa cikin substrate.

Ingantaccen Aikin RF:Ƙananan ƙarfin ƙwayoyin cuta yana ba da damar sauyawa cikin sauri (yana da amfani ga na'urorin 5G/mmWave).

Zane mai sassauƙa:Babban layin SiC mai sirara yana ba da damar inganta girman na'ura (misali, tashoshi masu siriri sosai a cikin transistor).

Kwatanta da SOI & Bulk SiC

Kadara	SiCOI	SOI (Si/SiO₂/Si)	Girman SiC
Bandgap	3.2 eV (SiC)	1.1 eV (Si)	3.2 eV (SiC)
Tsarin kwararar zafi	Babban (SiC + lu'u-lu'u)	Ƙasa (SiO₂ yana iyakance kwararar zafi)	Babban (SiC kawai)
Wutar Lantarki Mai Rushewa	Mai Girma Sosai	Matsakaici	Mai Girma Sosai
farashi	Mafi girma	Ƙasa	Mafi girma (tsaftataccen SiC)

Aikace-aikacen wafer na SiCOI

Lantarki Mai Lantarki
Ana amfani da wafers na SiCOI sosai a cikin na'urorin semiconductor masu ƙarfin lantarki da ƙarfin lantarki kamar MOSFETs, Schottky diodes, da maɓallan wutar lantarki. Faɗin bandgap da ƙarfin lantarki mai ƙarfi na SiC suna ba da damar canza wutar lantarki mai inganci tare da rage asara da haɓaka aikin zafi.

Na'urorin Mitar Rediyo (RF)
Tsarin rufewa a cikin wafers na SiCOI yana rage ƙarfin ƙwayoyin cuta, yana mai da su dacewa da transistor da amplifiers masu yawan mita da ake amfani da su a fasahar sadarwa, radar, da 5G.

Tsarin Microelectromechanical (MEMS)
Wafers na SiCOI suna samar da dandamali mai ƙarfi don ƙera na'urori masu auna firikwensin MEMS da masu kunna sauti waɗanda ke aiki da aminci a cikin mawuyacin yanayi saboda rashin kuzarin sinadarai na SiC da ƙarfin injina.

Lantarki Mai Zafi Mai Tsayi
SiCOI yana ba da damar na'urorin lantarki waɗanda ke kula da aiki da aminci a yanayin zafi mai yawa, yana amfanar da aikace-aikacen mota, sararin samaniya, da masana'antu inda na'urorin silicon na gargajiya suka gaza.

Na'urorin Photonic da Optoelectronic
Haɗakar halayen gani na SiC da kuma layin rufewa yana sauƙaƙa haɗa da'irorin photonic tare da ingantaccen sarrafa zafi.

Lantarki Masu Taurare a Hasken Radiation
Saboda juriyar radiation da SiC ke da shi, wafers ɗin SiCOI sun dace da aikace-aikacen sararin samaniya da makamashin nukiliya waɗanda ke buƙatar na'urori waɗanda ke jure yanayin radiation mai yawa.

Tambaya da Amsa na SiCOI wafer

T1: Menene wafer ɗin SiCOI?

A: SiCOI yana nufin Silicon Carbide-on-Insulator. Tsarin wafer ne na semiconductor inda aka haɗa siririn Layer na silicon carbide (SiC) akan wani Layer mai hana ruwa (yawanci silicon dioxide, SiO₂), wanda ke samun goyon bayan wani silicon substrate. Wannan tsari yana haɗa kyawawan halayen SiC tare da keɓance wutar lantarki daga insulator.

T2: Menene manyan fa'idodin wafers na SiCOI?

A: Manyan fa'idodin sun haɗa da ƙarfin lantarki mai ƙarfi, faɗaɗɗen bandgip, kyakkyawan yanayin zafi, ƙarfin injina mai ƙarfi, da kuma rage ƙarfin parasitic saboda layin rufewa. Wannan yana haifar da ingantaccen aiki, inganci, da aminci na na'urar.

T3: Menene aikace-aikacen da aka saba amfani da su na wafers na SiCOI?

A: Ana amfani da su a cikin na'urorin lantarki masu ƙarfi, na'urorin RF masu yawan mita, na'urorin firikwensin MEMS, na'urorin lantarki masu yawan zafin jiki, na'urorin photonic, da na'urorin lantarki masu taurare ta hanyar radiation.