Ningbo Sibranch Microelectronics Technology Co., Ltd.:Koj Trustworthy 300mm Silicon Wafer Chaw tsim tshuaj paus!
Founded hauv 2006 los ntawm cov ntaub ntawv science thiab engineering kws tshawb fawb nyob rau hauv Ningbo, Tuam Tshoj, Sibranch Microelectronics aims muab semiconductor wafer thiab kev pab cuam thoob plaws lub ntiaj teb no. Peb cov khoom tseem ceeb suav nrog cov txheej txheem silicon wafers SSP (ib sab polished), DSP (ob sab polished), sim silicon wafers thiab prime silicon wafers, SOI (Silicon ntawm Insulator) wafer thiab npib yob wafers nrog txoj kab uas hla mus txog 12 nti, CZ / MCZ / FZ / NTD, yuav luag tsis muaj kev cuam tshuam, yuav luag txhua qhov kev txiav txim siab. ultra-paj, ultra-nyias, tuab wafers thiab lwm yam.
Kev Pabcuam
Peb tau cog lus los tsim kho peb cov khoom lag luam tas li los muab cov neeg siv khoom txawv teb chaws nrog ntau cov khoom siv siab- zoo tshaj plaws kom dhau cov neeg siv khoom txaus siab. Peb tseem tuaj yeem muab cov kev pabcuam customized raws li cov neeg siv khoom xav tau xws li qhov loj me, xim, zoo li, thiab lwm yam. Peb tuaj yeem muab tus nqi zoo tshaj plaws thiab siab - cov khoom zoo.
Zoo Guaranteed
Peb tau txuas ntxiv tshawb fawb thiab tsim kho tshiab kom tau raws li qhov xav tau ntawm cov neeg siv khoom sib txawv. Nyob rau tib lub sijhawm, peb ib txwm ua raws li kev tswj hwm nruj kom ntseeg tau tias txhua yam khoom zoo raws li cov qauv thoob ntiaj teb.
Kev muag khoom thoob plaws lub tebchaws
Peb tsom rau kev muag khoom hauv kev lag luam txawv teb chaws. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Amelikas, Southeast Asia, Middle East thiab lwm thaj chaw, thiab tau txais txiaj ntsig zoo los ntawm cov neeg siv khoom thoob ntiaj teb.
Ntau hom khoom
Peb lub tuam txhab muab cov kev pabcuam silicon wafer ua haujlwm raws li cov kev xav tau tshwj xeeb ntawm peb cov neeg siv khoom. Cov no suav nrog Si Wafer BackGrinding, Dicing, DownSizing, Ntug Sib Tsoo, nrog rau MEMS ntawm lwm tus. Peb siv zog xa cov kev daws teeb meem uas tshaj qhov kev cia siab thiab ua kom cov neeg siv khoom txaus siab.
Yam khoom
CZ Silicon Wafers raug txiav los ntawm ib leeg siv lead ua silicon ingots rub siv Czochralski CZ txoj kev loj hlob, uas yog feem ntau siv hauv kev lag luam hluav taws xob kom loj hlob silicon crystals los ntawm loj cylindrical silicon ingots siv los tsim cov khoom siv semiconductor. Nyob rau hauv cov txheej txheem no, ib tug elongated crystalline silicon noob nrog meej orientation kam rau ua yog nkag mus rau hauv lub silicon molten pas dej ua ke nrog precisely tswj kub. Cov noob siv lead ua maj mam rub los ntawm cov yaj ntawm qhov kev tswj hwm nruj, thiab crystal solidification ntawm cov kua theem atoms tshwm sim ntawm lub interface. Thaum lub sij hawm rub cov txheej txheem no, cov noob siv lead ua thiab cov crucible tig nyob rau hauv cov lus qhia sib txawv, tsim ib qho loj siv lead ua silicon nrog cov qauv siv lead ua zoo meej ntawm cov noob.
Silicon oxide wafer yog cov khoom siv qib siab thiab tseem ceeb siv hauv ntau yam siab - thev naus laus zis kev lag luam thiab kev siv. Nws yog ib qho siab -purity crystalline cov khoom tsim los ntawm kev ua haujlwm siab - cov ntaub ntawv zoo silicon, ua rau nws yog ib qho zoo tagnrho substrate rau ntau hom kev siv hluav taws xob thiab photonic.
Dummy wafers (tseem hu ua test wafers) yog wafers tsuas yog siv rau kev sim thiab sim thiab txawv ntawm cov wafers rau cov khoom. Raws li, reclaimed wafers feem ntau yog siv raws li dummy wafers (test wafers).
Kub-coated silicon wafers, thiab kub-coated silicon chips yog siv dav ua substrates rau kev txheeb xyuas cov yam ntxwv ntawm cov ntaub ntawv. Piv txwv li, cov ntaub ntawv tso rau hauv kub-coated wafers tuaj yeem txheeb xyuas los ntawm ellipsometry, Raman spectroscopy lossis infrared (IR) spectroscopy vim qhov siab -reflectivity thiab cov khoom zoo ntawm qhov muag kub.
Silicon Epitaxial Wafers muaj ntau yam thiab tuaj yeem tsim nyob rau hauv ntau qhov ntau thiab tsawg thiab thicknesses kom haum rau kev lag luam sib txawv. Lawv kuj tau siv ntau yam kev siv, suav nrog kev sib xyaw ua ke, microprocessors, sensors, hluav taws xob hluav taws xob, thiab photovoltaics.
Thermal Oxide qhuav thiab ntub
Tsim los siv cov thev naus laus zis tshiab thiab tsim los muab kev ntseeg siab tsis sib xws thiab sib xws hauv kev ua haujlwm. Thermal Oxide Qhuav thiab ntub dej yog cov cuab yeej tseem ceeb rau cov tuam txhab semiconductor thoob ntiaj teb vim nws muab txoj hauv kev ua tau zoo los tsim cov khoom zoo siab -wafers zoo uas ua tau raws li txhua qhov kev xav tau ntawm kev lag luam.
Lub wafer no muaj ib txoj kab uas hla ntawm 300 millimeters, ua rau nws loj dua li cov wafer ib txwm muaj. Qhov loj dua no ua rau nws raug nqi ntau dua - ua haujlwm tau zoo thiab ua haujlwm tau zoo, tso cai rau cov khoom tsim tawm ntau dua yam tsis muaj kev cuam tshuam zoo.
Lub 100mm silicon wafer yog ib yam khoom zoo - uas tau siv dav hauv cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Qhov wafer no yog tsim los muab kev ua tau zoo, kev ua tau zoo, thiab kev ntseeg siab uas yog qhov tseem ceeb hauv kev tsim cov khoom siv semiconductor.
Lub 200mm silicon wafer kuj muaj ntau yam hauv nws daim ntawv thov, nrog rau kev siv hauv kev tshawb fawb thiab kev tsim kho, nrog rau hauv siab - ntim khoom. Nws tuaj yeem ua raws li koj qhov tshwj xeeb tshwj xeeb, nrog rau cov kev xaiv rau nyias lossis tuab wafers, polished lossis unpolished nto, thiab lwm yam nta raws li koj qhov kev xav tau tshwj xeeb.
Dab tsi yog Silicon Wafer Substrate
Silicon wafer substrates yog ib qho tseem ceeb ntawm kev tsim khoom semiconductor integrated circuits thiab khoom siv. Ntawm lawv lub hauv paus, lawv tsuas yog muab lub hauv paus ruaj khov- hais txog lub substrate - raws li cov microelectronic circuits tuaj yeem tsim los ntawm kev sib txuam photolithography thiab cov txheej txheem tsim.
Txawm li cas los xij, silicon substrates cuam tshuam ntau dua li tsuas yog muab ICs ib qho chaw tiaj tus los tsim. Lub crystalline thiab hluav taws xob cov khoom ntawm lub substrate wafer nws tus kheej yog qhov tseem ceeb hauv kev txiav txim siab qhov ua tau zoo tshaj plaws ntawm cov cuab yeej tsim tawm saum toj. Cov yam ntxwv xws li siv lead ua orientation, tshuaj purity, lattice defect ntom ntom, thiab hluav taws xob resistivity yam ntxwv yuav tsum nruj tswj thiab optimized thaum lub sij hawm tsim substrate.
Cov khoom ntawm Silicon Wafer Substrate
Kev tiv thaiv
Resistivity qhia ntau npaum li cas lub wafer impedes electron ntws. Cov cuab yeej siv feem ntau xav tau cov substrates nrog cov kev tiv thaiv qhov tseeb. Qhov no yog ua tiav los ntawm doping silicon nrog impurities - feem ntau boron (rau p- hom) lossis phosphorus (rau n- hom).
Hom Silicon Wafer Substrate Resistivities:
- 1-30 Ω·cm - tsawg resistivity, siv rau CMOS logic
- 30-100 Ω·cm - epitaxial substrates
- 1000 Ω·cm - siab resistivity, siv rau RF li
Flatness / Smoothness
Nto flatness ntsuas li cas planar lub substrate nto yog, thaum smoothness qhia roughness. Ob leeg yog ib qho tseem ceeb rau kev huv huv photolithography qauv thiab xyuas kom meej cov cuab yeej tsim kom raug.
- Flatness yog suav tias siv Total Thickness Variation (TTV). Cov wafers zoo feem ntau muaj TTV <10 μm thoob plaws lub wafer.
- Smoothness (roughness) yog ntsuas siv hauv paus Mean Squared (RMS) roughness. High-end substrates muaj RMS roughness < 0.5 nm.
Kev tsim khoom ntawm Silicon Wafer Substrate
Kev tsim cov qib siab - zoo silicon wafer substrates yog ib qho kev sib tw loj heev uas yuav tsum tau siv cov txheej txheem tsim khoom. Ntawm no yog ib tug ceev txheej txheem cej luam:
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Ingot Kev Loj Hlob
Txhua yam pib nrog kev loj hlob loj ib zaug - crystal ingots siv Czochralski txoj kev. Nyob rau hauv cov txheej txheem no, chunks ntawm ultrapure polysilicon yog loaded rau hauv quartz crucible thiab melted. Ib qho me me siv lead ua "noob" txo qis kom txog thaum nws tsuas yog kov lub molten nto, ces maj mam thim rov qab. Raws li cov noob siv lead ua tau rub tawm, cov kua silicon solidifies rau nws, tso cai rau ib qho loj loj loj tuaj.
impurity atoms yog ua tib zoo ntxiv rau dope lub ingot mus rau qhov teev resistivity. Feem ntau cov dopants yog boron thiab phosphorus. Kev txias txias yog tswj xyuas kom meej kom muaj qhov tsis xws luag -dawb siv lead ua loj hlob.
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Txiav
Qhov loj ib leeg siv lead ua ingot yog hlais rau hauv ib tus neeg wafers siv sab hauv txoj kab uas hla. Pob zeb diamond- cov hniav sib txuas txuas ntxiv hlais nyias nyias los ntawm tag nrho cov khoom siv ib txhij. Cov kua dej txias yog siv los txo kev puas tsuaj los ntawm kev sib txhuam thiab cua sov.
Slicing yuav tsum yog qhov tseeb heev los xyuas kom meej cov wafer tuab thiab flatness. Lub hom phiaj thickness feem ntau yog nyob ib ncig ntawm 0.7 hli rau tus qauv kab wafers.
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Lapping
Tom qab slicing, wafers muaj me ntsis ntxhib qhov chaw. Cov txheej txheem abrasive lapping yog siv los ua kom lawv. Qhov no suav nrog kev yuam txhua wafer nto tiv thaiv lub cam khwb cia hlau lapping phaj npog nrog cov slurry abrasive. Lub phaj rotates thaum precisely tswj siab yog siv rau lub wafer nto.
Lapping tshem tawm cov khoom sib npaug ntawm qhov chaw thaum flattening tej protrusions los yog ridges sab laug ntawm slicing. Qhov no pab txhim kho tag nrho wafer flatness.
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Etching
Lapping tuaj yeem ua rau qee qhov chaw puas tsuaj mus txog 10-15 μm tob. Qhov kev puas tsuaj no raug tshem tawm los ntawm etching saum npoo siv cov khoom sib tov ntawm cov tshuaj acidic lossis alkaline. Etching dissolves silicon ntawm tus nqi tswj kom tshem tawm kev puas tsuaj, tawm hauv qhov huv si, tsis muaj kev puas tsuaj rau qhov kawg polishing.
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Polishing
Cov kauj ruam kawg ua rau ultrasmooth, kev puas tsuaj -dawb nto siv cov txheej txheem tshuaj kho tshuab polishing. Qhov no siv cov tshuab zoo sib xws rau lapping tab sis nrog alkaline colloidal silica polishing slurry es tsis txhob coarse abrasives. Cov kauj ruam polishing tshem tawm kev puas tsuaj los ntawm cov txheej txheem ua ntej.
Polishing txuas ntxiv mus kom txog rau thaum qhov kev xav tau nto RMS roughness specification yog mus txog. Ntau lub voj voog ntawm precision polishing yuav xav tau kom ua tiav ib qho -digit angstrom roughness.
Hom Kev Ua Tsis Zoo nrog Silicon Wafer Substrates
Kev ntxhov siab ntau dhau thiab tawg
Kev ntxhov siab ntau dhau los ntawm kev sau ntawv, kev sib txuas ntawm hlau, kev sib cais tuag, thiab kev ntim khoom tuaj yeem ua rau silicon wafer ua nkig lossis tawg. Hom kev ua tsis tiav lossis kev puas tsuaj no tuaj yeem cuam tshuam rau lub zog ntawm lub wafer thiab yuav ua rau nws tsis muaj txiaj ntsig.
Thermal Expansion Mismatch
Thermal expansion yog hais txog qhov nyiam ntawm qhov teeb meem los nthuav lossis hloov nws lub ntim, zoo li, lossis thaj chaw vim qhov kub hloov pauv. Thaum lub substrate raug cua sov tshaj qhov nws tuaj yeem dais, nws tuaj yeem ua rau tawg lossis tawg, tshwj xeeb tshaj yog thaum ua ke nrog cov khoom tsis sib xws.
Crystallographic Defects
Cov teeb meem crystallographic uas twb muaj lawm-xws li dislocations, oxygen precipitates, thiab stacking faults- nyob rau hauv ob qho tib si silicon wafer thiab epitaxial txheej tuaj yeem cuam tshuam wafer zoo thiab ua rau cov cuab yeej tsis ua haujlwm. Cov teeb meem no tuaj yeem ua rau muaj qhov txawv txav tsis zoo los yog tsim kom tsawg - txoj kev tiv thaiv uas tuaj yeem luv - cov kab hluav taws xob.
Diffusion thiab Ion Implantation Anomalies
Kev tsis sib haum xeeb tshwm sim txuas nrog cov siv lead ua tshwj xeeb lossis dopant -kev sib xyaw ua ke thiab cov hlau tsis huv tuaj yeem cuam tshuam rau wafer zoo thiab ua rau cov cuab yeej tsis ua haujlwm.
Tej yam uas yuav tsum tau xav txog thaum tuav thiab khaws cia Silicon Wafer Substrates
Tswj Lub Chaw Ua Haujlwm Ib puag ncig: Ua kom zoo tshaj plaws
Hauv kev tsim cov khoom siv hluav taws xob semiconductor, qhov chaw huv huv tau tswj xyuas kom zoo kom txo qis kev pheej hmoo kis kab mob thiab lav qhov zoo tshaj plaws ntawm silicon wafer substrates. Cov cheeb tsam no feem ntau ua raws li cov qauv kev huv huv nruj, xws li ISO Class 1 lossis Chav Kawm 10 chav huv, qhov twg cov pa hauv huab cua yog tswj nruj me ntsis hauv ib lub cubic meter ntawm huab cua.
Cov chav huv huv muaj cov tshuab lim tshwj xeeb uas tsis tu ncua tshem tawm cov khoom hauv huab cua kom tswj tau qhov kev pom zoo. High-efficiency particulate air (HEPA) filters thiab ultra-low particulate air (ULPA) filters capture particles mes as 0.3 microns and 0.12 microns, respectively.
Mitigating Electrostatic Discharge Risks: Tiv thaiv kev puas tsuaj
Electrostatic paug (ESD) ua rau muaj kev hem thawj rau silicon wafer substrates thaum tuav thiab khaws cia. Cov chaw semiconductor siv cov kev tswj zoo li qub xws li cov hlua hauv av, ionizing cua tshuab, thiab cov khoom siv hauv pem teb kom dissipate static nqi thiab tiv thaiv kev puas tsuaj rau wafers.
Cov neeg ua haujlwm hnav cov hlua hauv av kom muaj kev nyab xeeb tawm hluav taws xob zoo li qub los ntawm lawv lub cev, thaum lub tshuab cua ionizing tsis cuam tshuam cov nqi zoo li qub ntawm qhov chaw wafer. Cov khoom siv hauv pem teb tso cai rau cov nqi hluav taws xob zoo li qub kom dissipate harmlessly rau hauv av, txo qhov kev pheej hmoo ntawm electrostatic paug cov xwm txheej.
Kev Tiv Thaiv Kev Tiv Thaiv Kev Tiv Thaiv: Kev Tiv Thaiv Tiv Thaiv Kev Ua Phem
Kev ntim khoom kom zoo yog qhov tseem ceeb rau kev tiv thaiv silicon wafer substrates los ntawm kev puas tsuaj rau lub cev, kis kab mob, thiab ya raws thaum thauj thiab khaws cia. Semiconductor cov chaw siv ntau yam kev tiv thaiv ntim kev daws teeb meem los tiv thaiv wafers thiab tswj lawv txoj kev ncaj ncees thoob plaws hauv cov khoom siv.
Ib qho kev daws teeb meem yog lub tshuab nqus tsev vacuum- ntim ntim, qhov uas silicon wafers muab tso rau hauv lub hnab ntim lossis lub thawv thiab lub tshuab nqus tsev- kaw kom tshem tawm huab cua, tsim kom muaj kev tiv thaiv kev tiv thaiv kab mob thiab ya raws. Cov pob khoom desiccant feem ntau suav nrog hauv cov ntim kom nqus cov dej seem seem thiab tswj qhov chaw qhuav.
Ua raws li Kev Tswj Xyuas Cov Cai: Precision thiab Care
Kev ua raws li kev coj ua nruj me ntsis yog qhov tseem ceeb kom txo qis kev pheej hmoo thaum lub sij hawm wafer fabrication thiab sib dhos. Cov chaw semiconductor tsim cov txheej txheem tuav kom ntxaws thiab cov txheej txheem uas qhia txog cov kev coj ua zoo tshaj plaws rau kev thauj mus los kom nyab xeeb, tswj xyuas, thiab ua cov khoom siv silicon wafers.
Cov txheej txheem tuav no feem ntau suav nrog ntau yam kev ua ub no, suav nrog wafer thauj khoom thiab tshem tawm, kev tshuaj xyuas wafer, kev ua tshuaj lom neeg, thiab kev siv tshuab. Lawv muab cov kauj ruam -los ntawm- cov lus qhia kauj ruam rau txhua txoj haujlwm, qhia meej cov cuab yeej siv, cov txheej txheem tsim nyog yuav tsum ua raws, thiab kev ceev faj txog kev nyab xeeb yuav tsum tau ua.
Tracking thiab Tracing Systems: Ua kom muaj kev lav phib xaub thiab traceability
Kev txheeb xyuas ruaj khov thiab taug qab cov tshuab muab kev lav phib xaub thiab traceability thoob plaws hauv cov txheej txheem tsim khoom semiconductor. Cov tshuab no muab tus cim tshwj xeeb rau txhua qhov silicon wafer substrate, muaj cov ntaub ntawv hais txog nws keeb kwm, kev ua keeb kwm, thiab kev soj ntsuam zoo.
Ib txoj kev txheeb xyuas wafer siv cov barcodes lossis xov tooj cua -frequency identification (RFID) tags, siv rau wafers ntawm ntau theem ntawm kev tsim khoom. Cov cim qhia no raug txheeb xyuas thiab sau tseg ntawm txhua kauj ruam ntawm cov txheej txheem tsim khoom, tso cai rau cov chaw semiconductor los taug qab cov kev txav thiab cov xwm txheej ntawm wafers hauv lub sijhawm.
Optimal Storage Conditions: khaws cia zoo dhau sijhawm
Kev khaws cia kom zoo yog qhov tseem ceeb rau kev tswj xyuas qhov zoo thiab kev ncaj ncees ntawm silicon wafer substrates thoob plaws hauv kev tsim khoom semiconductor. Cov chaw semiconductor tuav cov chaw khaws cia tshwj xeeb hauv ib puag ncig huv huv, nruab nrog huab cua- tswj cov txee thiab cov khib nyiab kom khaws cov wafers nyob rau hauv cov xwm txheej zoo.
Kev tswj kub thiab av noo yog qhov tseem ceeb rau kev tiv thaiv kev degradation thiab ua kom muaj kev ruaj ntseg ntawm silicon wafers thaum khaws cia. Cov chaw semiconductor feem ntau tswj qhov kub thiab txias ntawm 18℃thiab 22℃thiab cov av noo ntawm 40% thiab 60% kom txo qis kev pheej hmoo ntawm ya raws - cuam tshuam txog kev puas tsuaj thiab kev sib kis.
Cov lus nug nquag
Q: Yuav ua li cas tuab silicon wafer substrate?
A: Feem ntau, Si wafers muaj qhov tuab ntawm 0.4 hli (400 microns) thiab 0.5 hli. Thinner wafers ntawm 2 thiab 25 microns nyob rau hauv thickness yuav tsum tau rau ib co tshwj xeeb scientific thiab MEMS daim ntaub ntawv.
Q: Dab tsi yog qhov txawv ntawm wafer thiab substrate?
A: Lub wafer yog ib daim nyias nyias ntawm cov khoom siv, feem ntau yog ua los ntawm silicon, uas yog lub platform rau kev tsim cov khoom siv hluav taws xob. Lub substrate yog cov khoom siv los ua lub hauv paus rau kev tso tawm ntawm lwm cov khoom, xws li cov yeeb yaj kiab nyias lossis cov khoom siv semiconductor txheej. Nyob rau hauv feem ntau cov ntsiab lus ntawm semiconductor, "silicon wafer" thiab "silicon substrate" yog siv sib hloov, nrog rau cov substrate hais txog nws lub luag hauj lwm raws li cov khoom siv rau kev ua ntxiv.
Q: Vim li cas silicon siv los ua substrate?
A: Silicon yog cov khoom tseem ceeb ntawm cov khoom siv sib xyaw ua ke vim nws muaj ntau, crystalline zoo, zoo - nkag siab txog cov txheej txheem tsim khoom, thiab cov khoom siv hluav taws xob zoo thiab thermal. Nws zoo thermal conductivity pab dissipate cua sov los ntawm kev khiav hauj lwm pab kiag li lawm, txhim khu tag nrho cov kev ua tau zoo thiab kev ntseeg tau.
Q: Qhov txawv ntawm iav substrate thiab silicon substrate yog dab tsi?
A: Cov iav cab iav wafers siv thoob plaws ntau daim ntawv thov, xws li MEMS thiab semiconductors, tshwj xeeb tshaj yog rau kev sib txuas ib ntus. Nyob rau hauv kev sib piv rau silicon, iav substrate muaj peev xwm yuav ua tau flatter thiab stiffer, thiab muab superior thermal stability kom cov cuab yeej wafers yuav ua tau zoo los ntawm kev ua cov kauj ruam. Iav kuj tseem muaj hluav taws xob insulating, uas tuaj yeem ua tau zoo rau qee yam kev siv.
Q: Dab tsi yog qhov hardness ntawm silicon wafer substrate?
A: Silicon muaj Mohs hardness ntawm 7. Nws hardness siab pab txhawb rau nws cov neeg kho tshuab stability thaum lub sij hawm tsim khoom thiab ntaus ntawv ua hauj lwm.
Q: Dab tsi yog qhov zoo ntawm silicon wafer substrate?
A: Ib leeg-crystal silicon yog cov khoom siv substrate nyiam rau MEMS thiab cov khoom siv semiconductor rau ntau qhov laj thawj: - Cov khoom siv hluav taws xob siab - Kev yooj yim ntawm kev sib xyaw cov khoom siv hluav taws xob rau tib lub substrate - Young's modulus zoo ib yam li hlau (kwv yees 200 GPa) - ua kom qis dua (hlau, ntau qhov sib txawv) - Siab melting point (1414 degree)
Q: Yuav ua li cas yog silicon wafers doped?
A: Doping yog cov txheej txheem ntawm kev qhia txog kev tswj cov nqi ntawm impurity atoms rau hauv silicon los hloov nws cov hluav taws xob tiv thaiv. Cov txheej txheem doping feem ntau suav nrog: - Diffusion: wafers raug rau qhov chaw dopant ntawm qhov kub thiab txias, tso cai rau impurities kom diffuse rau hauv silicon - Ion implantation: Dopant ions tau nrawm thiab cog rau hauv silicon substrate nrog meej tswj qhov tob thiab concentration - Nyob rau hauv kev loj hlob ntxiv: {4} tag nrho ingot
Q: Dab tsi yog qhov resistivity ntau ntawm silicon wafer substrate?
A: High-Resistivity Silicon (HRS) substrates yog qhov tseem ceeb rau qis- poob, siab-kev ua tau zoo microwave thiab millimeter nthwv dej hauv high-frequency telecommunication systems. Qhov siab tshaj plaws resistivity - txog ~ 10,000 Ω·cm- yog ua tiav nrog Float Zone (FZ) zus silicon, uas yog tsim nyob rau hauv me me thiab nruab nrab wafer diameters.
Q: Dab tsi yog qhov txawv ntawm silicon thiab germanium substrate?
A: Germanium nthuav tawm qhov kub siab dua hauv nws cov khoom hluav taws xob piv rau silicon. Cov yam ntxwv no tuaj yeem siv tau rau qee qhov kev siv ntsuas, tab sis nws kuj txhais tau tias silicon feem ntau ruaj khov nyob rau hauv ib puag ncig sib txawv, ua rau nws nyiam rau feem ntau cov khoom siv semiconductor.
Q: Dab tsi yog qhov thermal conductivity ntawm silicon wafer substrate?
A: Lub thermal conductivity ntawm silicon yog kwv yees li 156 W·m⁻¹·K⁻¹. Thermal conductivity yog ib qho ntawm cov khoom tseem ceeb ntawm semiconductors. Nws yog ib qho tseem ceeb los tsim cov thermal zog ntawm IC nyob rau hauv ib txoj kev uas txo cov thermal kev nyuaj siab, raws li silicon chips tsim ib tug tseem ceeb npaum li cas ntawm tshav kub thaum lub sij hawm ua hauj lwm.
Q: Dab tsi yog qhov roughness ntawm silicon wafer substrate?
A: Si wafer nto roughness yog ua tiav los ntawm kev rov ua cov txheej txheem Chemical Mechanical Planarization (CMP) polishing. Rau sab polished ntawm tiav wafers, tus nqi RMS roughness tus nqi yog<0.5 nm.
Q: Dab tsi yog qhov ua haujlwm ntawm substrate hauv cov khoom siv semiconductor?
A: Substrates yog lub hauv paus ntawm cov khoom siv hluav taws xob- cov khoom siv lossis cov qauv tsim los ntawm cov khoom siv hluav taws xob. Lawv muab kev txhawb nqa kev tsim kho, pab txhawb kev sib txuas hluav taws xob, thiab ua cov ntaub ntawv rau cov kev sib txuas sib txuas uas ua rau peb lub ntiaj teb niaj hnub no.
Q: Puas yog silicon wafer substrate conductive?
A: Silicon yog ib qho semiconductor- nws cov hluav taws xob conductivity tuaj yeem tswj tau los ntawm doping, xws li los ntawm ze li ntawm insulating (siab resistivity) mus rau high conductive (tsis tshua muaj resistivity). Nws kuj muaj cov thermal conductivity zoo heev, uas pab kom cov cua sov hauv cov khoom siv ua haujlwm.
Q: Vim li cas silicon yog cov khoom siv zoo tshaj plaws substrate?
A: Ib leeg-crystal silicon yog cov khoom siv substrate nyiam rau MEMS thiab cov khoom siv semiconductor vim: - Kev ruaj ntseg siab txhua yam - Yooj yim ntawm kev sib xyaw cov khoom siv hluav taws xob ntawm Si substrate - Young's modulus zoo ib yam li cov hlau (kwv yees 200 GPa) - Kev ua kom qis, ua kom pom tseeb li 6. zoo heev thermal stability
Vim Li Cas Xaiv Peb
Peb cov khoom yog sourced tshwj xeeb los ntawm lub ntiaj teb no sab saum toj tsib manufacturers thiab ua domestic factories. Kev txhawb nqa los ntawm cov kws tshaj lij hauv tsev thiab thoob ntiaj teb cov kws tshaj lij pab pawg thiab kev tswj xyuas nruj.
Peb lub hom phiaj yog los muab cov neeg siv khoom nrog kev txhawb nqa ib leeg rau ib leeg, ua kom cov kev sib txuas lus zoo uas muaj kev tshaj lij, raws sijhawm, thiab ua haujlwm tau zoo. Peb muab qhov tsawg kawg nkaus txiav txim kom muaj nuj nqis thiab lav kev xa khoom sai hauv 24 teev.
Factory Show
Peb cov khoom lag luam loj muaj 1000+ cov khoom, kom ntseeg tau tias cov neeg siv khoom tuaj yeem xaj kom tsawg li ib thooj. Peb tus kheej cov khoom siv rau dicing & backgrinding, thiab tag nrho kev koom tes nyob rau hauv lub ntiaj teb no kev lag luam saw pab kom peb sai li sai tau cov zaub mov xa tuaj kom ntseeg tau tias cov neeg siv khoom txaus siab thiab yooj yim.
Peb Daim Ntawv Pov Thawj
Peb lub tuam txhab txaus siab rau ntau daim ntawv pov thawj peb tau txais, suav nrog peb daim ntawv pov thawj patent, ISO9001 daim ntawv pov thawj, thiab daim ntawv pov thawj National High-Tech Enterprise. Cov ntawv pov thawj no sawv cev rau peb txoj kev mob siab rau kev tsim kho tshiab, kev tswj xyuas zoo, thiab kev cog lus rau kev ua tau zoo.
Cim npe nrov: Tuam Tshoj silicon wafer substrate manufacturers, lwm tus neeg, Hoobkas
