Ibikoresho bya semiconductor byagiye bihinduka binyuze mu bisekuru bitatu bihindura:
Itsinda rya mbere ry’abakiri bato (Si/Ge) ryashyizeho urufatiro rw’ibikoresho by’ikoranabuhanga bigezweho,
Itsinda rya kabiri ry’Abana (GaAs/InP) ryaciye mu nzitizi z’ikoranabuhanga n’izikoresha inshuro nyinshi kugira ngo rishyire imbaraga mu mpinduramatwara y’amakuru,
Gen ya 3 (SiC/GaN) ubu ihangana n’ingufu n’ibidukikije bikabije, bigatuma habaho kutagira umwuka uhumanya ikirere ndetse n’igihe cya 6G.
Iri terambere rigaragaza impinduka mu buryo bw’ikigereranyo kuva ku buhanga buhanitse kugera ku buhanga mu bumenyi bw’ibintu.
1. Ibikoresho bya Semiconductors byo mu Gihe cya Mbere: Silicon (Si) na Germanium (Ge)
Amateka y'amateka
Mu 1947, Bell Labs yavumbuye transistor ya germanium, ikimenyetso cy'uko igihe cya semiconductor cyatangiye. Mu myaka ya 1950, silicon yasimbuye germanium buhoro buhoro nk'ishingiro ry'imirongo ihuriweho (ICs) bitewe n'urwego rwayo rwa okiside ruhamye (SiO₂) n'ubwinshi bw'ibidukikije.
Imiterere y'Ibikoresho
ⅠIcyuho:
Germanium: 0.67eV (umugozi muto, ushobora gusohoka mu muyoboro w'amazi, imikorere mibi y'ubushyuhe buri hejuru).
Silikoni: 1.12eV (icyuho kitaziguye, gikwiriye imiyoboro ya logique ariko ntigishobora gutanga urumuri).
Ⅱ,Ibyiza bya Silicon:
Bisanzwe bikora okiside nziza (SiO₂), bigatuma MOSFET ikorwa.
Igiciro gito kandi gikungahaye ku butaka (~ 28% by'ibikomoka ku ruhu).
Ⅲ、Inzitizi:
Uburyo bwo kugenda bwa elegitoroniki buke (cm² 1500 gusa/(V·s)), bugabanya imikorere y'umuvuduko wo hejuru.
Ubushobozi buke bwo kwihanganira ubushyuhe/voltage (ubushyuhe ntarengwa bwo gukora ~ 150°C).
Porogaramu z'ingenzi
Ⅰ,Imiyoboro Ihuriweho (ICs):
CPU, utumashini twa memory chips (urugero: DRAM, NAND) bishingikiriza kuri silicon kugira ngo bigire ubucucike bwinshi mu guhuza porogaramu.
Urugero: Intel's 4004 (1971), microprocessor ya mbere y’ubucuruzi, yakoresheje ikoranabuhanga rya silikoni rya 10μm.
Ⅱ,Ibikoresho by'amashanyarazi:
Thyristors zo mu ntangiriro na MOSFET zifite voltage nke (urugero, ibikoresho by'amashanyarazi bya PC) byari bishingiye kuri silicon.
Imbogamizi n'Ibyashaje
Germanium yagabanutse bitewe no kuva amazi no kudahindagurika k'ubushyuhe. Ariko, imbogamizi za silikoni mu byuma bikoresha optoelectronics no gukoresha ingufu nyinshi byatumye habaho iterambere rya semiconductors zo mu bwoko bwa next-gen.
Ibikoresho bya Semiconductor bya 2-Generation: Gallium Arsenide (GaAs) na Indium Phosphide (InP)
Iterambere ry'Amateka
Mu myaka ya 1970-1980, amashami mashya nka telefoni zigendanwa, imiyoboro ya fibre optique, n'ikoranabuhanga rya satelite byatumye hakenerwa cyane ibikoresho bya optoelectronic bikoresha frequency nyinshi kandi binoze. Ibi byatumye habaho iterambere rya semiconductors zikoresha bandgap nka GaAs na InP.
Imiterere y'Ibikoresho
Imikorere ya Bandgap na Optoelectronic:
GaAs: 1.42eV (icyuho cy’urumuri, gitanga urumuri—ni byiza kuri lazeri/LED).
InP: 1.34eV (ikwiriye cyane gukoreshwa mu burebure bw'umuraba muremure, urugero, itumanaho rya fiber-optic rya 1550nm).
Uburyo bwo kugenda kwa Electron:
GaAs igera kuri cm² 8500/(V·s), irusha cyane silikoni (1500 cm²/(V·s)), bigatuma iba nziza cyane mu gutunganya ibimenyetso bya GHz-range.
Imbogamizi
lSubstrates zigoye gukora: Ziragoye gukora kurusha silikoni; wafer za GaAs zigura 10× zirenzeho.
lNta ogisijeni kavukire: Bitandukanye na SiO₂ ya silikoni, GaAs/InP nta ogisijeni zihamye zihari, bigatuma habaho imbogamizi mu gukora IC ifite ubucucike bwinshi.
Porogaramu z'ingenzi
lImbere ya RF:
Amplifiers zigendanwa (PAs), transceivers za satelite (urugero, transistors za HEMT zishingiye kuri GaAs).
lIkoranabuhanga rya Optoelectronics:
Diode za laser (disiki za CD/DVD), LED (umutuku/infrared), module za fiber-optic (InP lasers).
lUtunyangingo tw'izuba two mu kirere:
Uturemangingo twa GaAs tugira ubushobozi bwa 30% (ugereranyije na ~20% kuri silikoni), ingenzi cyane ku byuma bipima ikirere.
lInzitizi z'ikoranabuhanga
Ibiciro biri hejuru bigabanya GaAs/InP ku bikorwa byo mu rwego rwo hejuru, bikayibuza kwimura silicon mu ikoranabuhanga rya logic chips.
Ibikoresho by'Ingufu bya Gatatu (Ibikoresho by'Ingufu z'Ingufu z'Ingufu): Silicon Carbide (SiC) na Gallium Nitride (GaN)
Abakoresha ikoranabuhanga
Impinduramatwara mu by'Ingufu: Imodoka zikoresha amashanyarazi n'imiyoboro y'amashanyarazi ikoreshwa mu kongera ingufu zikoreshwa mu miyoboro y'amashanyarazi bisaba ibikoresho by'amashanyarazi bikora neza kurushaho.
Ibikenewe ku bwinshi: Itumanaho rya 5G na sisitemu za radar bisaba umurongo wo hejuru n'ubucucike bw'ingufu.
Ibidukikije Bikabije: Ikoreshwa rya moteri mu kirere n'inganda rikenera ibikoresho bishobora kwihanganira ubushyuhe burenga 200°C.
Ibiranga Ibikoresho
Ibyiza bya Bandgap nini:
lSiC: Icyuho cya 3.26eV, ingufu z'amashanyarazi za 10× zihwanye na silikoni, zishobora kwihanganira voltage zirenga 10kV.
lGaN: Icyuho cya 3.4eV, electron mobility ya 2200 cm²/(V·s), ikora neza cyane mu mikorere ya frequency yo hejuru.
Imicungire y'ubushyuhe:
Ubushyuhe bwa SiC bugera kuri 4.9 W/(cm·K), buruta silicon inshuro eshatu, bigatuma iba nziza cyane mu gukoresha ingufu nyinshi.
Imbogamizi z'ibikoresho
SiC: Gukura gahoro gahoro mu buryo bwa kristale imwe bisaba ubushyuhe buri hejuru ya 2000°C, bigatera inenge mu buryo bwa wafer n'ibiciro biri hejuru (wafer ya SiC ya santimetero 6 ihenze cyane kurusha siliconi kuri 20×).
GaN: Ibura substrate karemano, akenshi ikenera heteroepitaxy kuri substrate za safiro, SiC, cyangwa silikoni, bigatuma habaho ibibazo byo kudahuza neza.
Porogaramu z'ingenzi
Ingufu z'amashanyarazi:
Inverters za EV (urugero, Tesla Model 3 ikoresha SiC MOSFETs, ikongera imikorere ku kigero cya 5–10%).
Sitasiyo/adaptateri zishyushya vuba (ibikoresho bya GaN bitanga 100W+ byihuse mu gihe bigabanya ingano yabyo ho 50%).
Ibikoresho bya RF:
Amplifera z'amashanyarazi za 5G base station (GaN-on-SiC PAs zishyigikira frequencies za mmWave).
Radar ya gisirikare (GaN itanga ubucucike bwa GaAs bwa 5×).
Ikoranabuhanga rya Optoelectronics:
UV LEDs (ibikoresho bya AlGaN bikoreshwa mu gupima no gusuzuma ubuziranenge bw'amazi).
Uko inganda zihagaze n'icyerekezo cy'ejo hazaza
SiC niyo yiganje ku isoko ry’ingufu nyinshi, aho modules zo mu rwego rw’imodoka zimaze gukorwa ku bwinshi, nubwo ikiguzi cyazo kikiri imbogamizi.
GaN iri kwaguka vuba mu bikoresho by'ikoranabuhanga (gukoresha amashanyarazi vuba) no mu bikoresho bya RF, ihinduka igana ku byuma bya wafer bya santimetero 20.
Ibikoresho bishya nka gallium oxide (Ga₂O₃, bandgap 4.8eV) na diyama (5.5eV) bishobora gukora "igisekuru cya kane" cya semiconductors, bigatera imipaka y'amashanyarazi arenga 20kV.
Kubana no Guhuza Ibisekuruza bya Semiconductor
Ubwuzuzanye, Si Ubusimbura:
Silikoni ikomeje kuba ingenzi mu bikoresho bya logique chips n'ibikoresho by'ikoranabuhanga (95% by'isoko ry'ibikoresho bya semiconductor ku isi).
GaAs na InP bihariye mu gukora uduce tw’ikoranabuhanga dukoresha ikoranabuhanga rigezweho (high-frequency) n’uduce tw’ikoranabuhanga rigezweho (optoelectronic).
SiC/GaN ntabwo zisimburwa mu ngufu n'inganda.
Ingero zo guhuza ikoranabuhanga:
GaN-on-Si: Ihuza GaN n'ibikoresho bya silikoni bihendutse kugira ngo isharishe vuba kandi ikoreshe RF.
Module za SiC-IGBT hybrid: Kunoza imikorere myiza yo guhindura grid.
Ingendo z'ejo hazaza:
Guhuza ibintu bitandukanye: Guhuza ibikoresho (urugero, Si + GaN) kuri chip imwe kugira ngo bihuze imikorere n'igiciro.
Ibikoresho bya "bandgap" byagutse cyane (urugero, Ga₂O₃, diyama) bishobora gukoresha "voltage" nyinshi cyane (>20kV) na "quantum computing applications".
Ibijyanye n'umusaruro
GaAs laser epitaxial wafer ifite santimetero 4 na santimetero 6
Ifite santimetero 12 za SIC substrate ya silikoni karubide prime grade diameter 300mm nini 4H-N Ikwiriye gukoreshwa mu gukwirakwiza ubushyuhe bwinshi mu gikoresho
Igihe cyo kohereza: Gicurasi-07-2025