Hauv thaj tsam ntawm siab - cov ntawv thov zaus, qhov ua tau zoo ntawm Graphite Base Susceptors yog lub ntsiab lus tseem ceeb. Raws li tus neeg muag khoom ntawm Graphite Base Susceptors, Kuv tau pom ua ntej txog qhov muaj peev xwm tshwj xeeb thiab cov teeb meem cov khoom no ntsib nyob rau hauv siab - ib puag ncig zaus.
1. Nkag siab Graphite Base Susceptors
Graphite Base Susceptors yog cov khoom tseem ceeb hauv ntau cov txheej txheem kev lag luam. Lawv feem ntau yog tsim los ntawm siab - cov ntaub ntawv graphite zoo, uas muaj ntau yam khoom zoo. Graphite muaj thermal conductivity zoo, kub tsis kam, thiab hluav taws xob zoo conductivity. Cov khoom no ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv hauv siab - cov ntawv thov zaus.
Nyob rau hauv siab - zaus tshuab, lub susceptor ua hauj lwm raws li ib tug nruab nrab nqus thiab hloov lub zog. Thaum raug rau siab - zaus electromagnetic teb, graphite puag susceptor tuaj yeem hloov hluav taws xob hluav taws xob zoo rau hauv tshav kub. Qhov kev tsim hluav taws xob no yog qhov tseem ceeb rau ntau yam txheej txheem xws li kev tsim khoom semiconductor, qhov twg yuav tsum tau tswj qhov kub thiab txias rau kev loj hlob ntawm cov yeeb yaj kiab nyias thiab doping ntawm cov khoom siv semiconductor.
2. Kev ua tau zoo hauv High - Cua sov zaus
Ib qho ntawm cov haujlwm tseem ceeb ntawm Graphite Base Susceptors nyob rau hauv siab - cov ntawv thov zaus yog lawv cov cua sov ua haujlwm. Hauv siab - zaus induction cua sov tshuab, lub susceptor muab tso rau hauv ib qho chaw sib nqus sib nqus. Lub alternating magnetic teb induces eddy tam sim no nyob rau hauv lub graphite susceptor. Vim qhov hluav taws xob tsis kam ntawm graphite, cov eddy tam sim no ua kom sov raws li txoj cai Joule cua sov (Q=I^{2}Rt), qhov twg (Q) yog cov cua sov tsim, (I) yog tam sim no, (R) yog qhov tsis kam, thiab (t) yog lub sijhawm.
Lub siab thermal conductivity ntawm graphite xyuas kom meej tias cov cua sov tsim tau sai thiab sib npaug sib npaug thoob plaws hauv lub susceptor. Cov cua kub tsis sib xws no yog qhov tseem ceeb hauv kev siv xws li kev sib tsoo ntawm cov hlau, qhov twg cov cua sov tsis sib xws tuaj yeem ua rau cov khoom tsis xws luag. Tsis tas li ntawd, qhov kub thiab txias tsis kam ntawm graphite tso cai rau lub susceptor ua haujlwm ntawm qhov kub thiab txias yam tsis muaj degradation tseem ceeb, uas yog qhov tseem ceeb rau siab - lub zog siab - zaus cua sov txheej txheem.
Txawm li cas los xij, qhov kev ua tau zoo ntawm cov susceptor nyob rau hauv siab - zaus cua sov tuaj yeem cuam tshuam los ntawm cov khoom xws li qhov zaus ntawm qhov sib nqus sib nqus, qhov geometry ntawm lub susceptor, thiab cov khoom ntawm cov khoom siv graphite. Cov zaus siab dua feem ntau ua rau muaj cua sov ntau dua, tab sis lawv kuj xav tau kev tswj xyuas meej dua ntawm qhov chaw sib nqus thiab qhov cuam tshuam txoj hauj lwm. Lub geometry ntawm lub susceptor, xws li nws cov duab thiab qhov loj, tuaj yeem cuam tshuam qhov kev faib tawm ntawm cov eddy tam sim no thiab yog li cov qauv cua sov. Cov qib sib txawv ntawm graphite muaj cov khoom siv hluav taws xob thiab thermal sib txawv, uas tuaj yeem cuam tshuam rau cov cua sov ua haujlwm.
3. Cov khoom hluav taws xob thiab cov teeb liab kev ntseeg siab
Hauv siab - zaus siv hluav taws xob, cov khoom hluav taws xob ntawm Graphite Base Susceptors ua lub luag haujlwm tseem ceeb. Graphite muaj cov khoom siv hluav taws xob zoo heev, uas tso cai rau nws ua cov cim hluav taws xob zoo. Txawm li cas los xij, hauv siab - zaus circuits, teeb liab kev ncaj ncees dhau los ua ib qho kev txhawj xeeb loj.
Thaum lub sij hawm siab, cov nyhuv ntawm daim tawv nqaij ua qhov tseem ceeb. Cov nyhuv ntawm daim tawv nqaij ua rau cov tam sim no muaj concentrated nyob ze ntawm qhov chaw ntawm tus neeg xyuas pib. Nyob rau hauv cov ntaub ntawv ntawm graphite susceptors, qhov no tuaj yeem ua rau muaj zog tiv thaiv thiab teeb liab attenuation. Txhawm rau txo cov nyhuv ntawm daim tawv nqaij, siv cov qauv tshwj xeeb thiab cov khoom siv. Piv txwv li, siv graphite nrog ib tug purity ntau dua yuav txo tau cov hluav taws xob kuj thiab txhim kho lub teeb liab - nqa peev xwm.
Lwm qhov cuam tshuam txog kev ncaj ncees yog qhov cuam tshuam ntawm electromagnetic (EMI). Graphite susceptors tuaj yeem ua raws li ob qho tib si thiab cov ntaub thaiv npog ntawm EMI. Hauv qee qhov kev siv siab - zaus, lub tshuab hluav taws xob tuaj yeem tsim hluav taws xob tsis xav tau hluav taws xob, uas tuaj yeem cuam tshuam nrog lwm cov khoom siv hluav taws xob hauv lub cev. Ntawm qhov tod tes, graphite kuj tuaj yeem siv los ua EMI daim thaiv npog vim nws muaj peev xwm nqus tau thiab dissipate electromagnetic zog. Los ntawm kev ua tib zoo tsim cov duab thiab cov qauv ntawm cov susceptor, EMI tuaj yeem tswj tau kom tau raws li qhov xav tau ntawm daim ntawv thov.
4. Mechanical thiab Thermal stability
High - cov ntawv thov zaus feem ntau cuam tshuam nrog kev hloov pauv sai thiab kev ntxhov siab ntawm cov tshuab. Graphite Base Susceptors yuav tsum muaj cov neeg kho tshuab zoo thiab thermal stability kom ntev - lub sij hawm txhim khu kev qha.
Graphite muaj cov coefficient tsawg ntawm thermal expansion, uas txhais tau hais tias nws nthuav thiab cog lus tsawg dua li ntau lwm cov ntaub ntawv thaum raug kub hloov. Cov cuab yeej no tau txais txiaj ntsig zoo hauv kev siv siab - zaus uas thermal cycling tuaj yeem ua rau lub tshuab tsis ua haujlwm. Piv txwv li, nyob rau hauv cov txheej txheem tsim khoom semiconductor, lub susceptor yuav raug cua sov thiab txias dua. Qhov qis thermal expansion ntawm graphite pab tiv thaiv kev tawg thiab warping ntawm lub susceptor, uas tuaj yeem ua rau kev ua tsis tiav.
Nyob rau hauv cov nqe lus ntawm mechanical zog, graphite susceptors yuav tsum muaj peev xwm tiv taus cov neeg kho tshuab quab yuam cuam tshuam nrog kev tuav thiab kev ua haujlwm. High - cov ntaub ntawv graphite ntom ntom feem ntau yog siv los txhim kho lub zog ntawm lub zog ntawm lub susceptor. Tsis tas li ntawd, kev tsim thiab kev tsim khoom tsim nyog tuaj yeem txhim kho qhov kev ruaj ntseg ntawm cov khoom siv hluav taws xob. Piv txwv li, ntxiv cov khoom siv dag zog los yog siv cov khoom sib xyaw graphite tuaj yeem ua rau muaj kev tiv thaiv kev puas tsuaj.
5. Kev sib piv nrog lwm cov ntaub ntawv Susceptor
Thaum xav txog siab - cov ntawv thov zaus, nws yog ib qho tseem ceeb rau kev sib piv Graphite Base Susceptors nrog rau lwm cov ntaub ntawv susceptor. Lwm cov khoom siv xws li hlau xws li tooj liab thiab txhuas, thiab cov ntaub ntawv ceramic.
Cov hlau zoo li tooj liab thiab txhuas muaj cov hluav taws xob hluav taws xob siab, uas tuaj yeem ua rau muaj cua sov zoo hauv siab - zaus induction systems. Txawm li cas los xij, lawv muaj cov ntsiab lus melting tsawg piv rau graphite. Hauv siab - kub siab - zaus siv, graphite qhov kub tsis kam ua rau nws muaj txiaj ntsig zoo. Tsis tas li ntawd, cov hlau muaj ntau dua rau oxidation ntawm qhov kub thiab txias, uas tuaj yeem degrade lawv cov kev ua tau zoo dhau sijhawm.
Ceramic susceptors muaj cov khoom siv hluav taws xob zoo heev thiab kub ua haujlwm. Txawm li cas los xij, lawv cov thermal conductivity feem ntau qis dua li ntawm graphite. Qhov no tuaj yeem ua rau qeeb cua sov thiab cua txias, uas tej zaum yuav tsis haum rau cov ntawv thov uas yuav tsum tau hloov kub ceev. Graphite kev sib xyaw ua ke ntawm cov thermal conductivity, kub tsis kam, thiab hluav taws xob zoo ua rau nws xaiv rau ntau qhov kev siv ntau zaus -.
6. Cov ntawv thov hauv Kev Lag Luam Tshwj Xeeb
Kev lag luam semiconductor
Hauv kev lag luam semiconductor, Graphite Base Susceptors tau siv dav hauv cov txheej txheem xws li tshuaj vapor deposition (CVD) thiab lub cev vapor deposition (PVD). Nyob rau hauv CVD, lub susceptor muab ib tug rhuab saum npoo uas cov semiconductor nyias films tso. Lub siab - zaus cua sov ntawm lub susceptor xyuas kom meej qhov kub thiab txias, uas yog qhov tseem ceeb rau qhov zoo ntawm cov yeeb yaj kiab tso. Cov cua kub tsis sib xws ntawm cov graphite susceptor pab kom ua tiav cov yeeb yaj kiab tuab thiab muaj pes tsawg leeg thoob plaws lub semiconductor wafer.
PECVD Graphite Boat yog ib daim ntawv thov tshwj xeeb hauv kev lag luam semiconductor. Nws yog siv rau hauv plasma - txhim kho cov tshuaj vapor deposition (PECVD) cov txheej txheem. Lub nkoj graphite tuav lub semiconductor wafers thiab yog cua sov los ntawm siab - zaus induction. Lub siab thermal conductivity ntawm graphite xyuas kom meej tias cov wafers yog rhuab sib npaug, uas yog qhov tseem ceeb rau kev loj hlob ntawm siab - zoo nyias zaj duab xis.
Roj Cell Kev Lag Luam
Hauv kev lag luam roj hluav taws xob, Roj Cell Graphite Bipolar Plate yog ib qho tseem ceeb. Graphite hluav taws xob conductivity thiab tshuaj stability ua rau nws haum rau siv raws li ib tug bipolar phaj nyob rau hauv roj hlwb. Qhov siab - zaus ua tau zoo ntawm graphite hauv cov ntsiab lus no muaj feem xyuam rau nws lub peev xwm los ua hluav taws xob tam sim no zoo ntawm cov anode thiab cathode ntawm cov roj cell. Lub graphite bipolar phaj kuj yuav tsum muaj lub zog zoo txhua yam los tiv thaiv lub siab thiab kev vibrations hauv cov roj cell system.
Aerospace thiab Defense
Hauv kev siv aerospace thiab kev tiv thaiv, siab - cov khoom siv zaus yuav tsum yog lub teeb yuag, txhim khu kev qha, thiab muaj peev xwm ua haujlwm hauv ib puag ncig hnyav. Graphite Base Susceptors yog siv nyob rau hauv siab - zaus sib txuas lus systems, radar systems, thiab hluav taws xob ua tsov ua rog khoom. Qhov kub thiab txias tsis kam thiab cov khoom hluav taws xob zoo ntawm graphite ua rau nws haum rau cov ntawv thov no. Piv txwv li, nyob rau hauv radar systems, lub susceptor yuav siv tau raws li ib feem nyob rau hauv lub kav hlau txais xov los yog lub hwj chim amplifier. Lub peev xwm ntawm graphite los tswj siab - zaus cov cim qhia thiab cov cua sov dissipate zoo yog qhov tseem ceeb rau kev ua haujlwm ntawm cov tshuab no.
7. Xaus thiab Hu Ua Haujlwm
Hauv kev xaus, Graphite Base Susceptors muaj qhov ua tau zoo tshwj xeeb hauv kev siv siab - zaus. Lawv cov thermal conductivity zoo heev, kub tsis kam, thiab hluav taws xob zoo ua rau lawv haum rau ntau yam kev lag luam, suav nrog kev tsim khoom semiconductor, roj hlwb, thiab aerospace. Txawm li cas los xij, txhawm rau txhawm rau ua kom muaj peev xwm ntawm graphite susceptors, ua tib zoo xav txog yam xws li kev ua kom cua sov, kev ncaj ncees, kev siv tshuab thiab thermal stability.
Yog tias koj xav tau siab - Graphite Base Susceptors zoo rau koj daim ntawv thov siab - zaus, peb nyob ntawm no los pab. Peb lub tuam txhab muaj ntau yam khoom siv graphite, suav nrog Graphite Components, uas yog tsim los ua kom tau raws li cov kev cai tshwj xeeb ntawm koj cov haujlwm. Txawm hais tias koj koom nrog hauv kev tsim khoom semiconductor, kev tsim roj cell, lossis kev siv aerospace, peb cov graphite susceptors tuaj yeem muab cov kev ua tau zoo thiab kev ntseeg siab uas koj xav tau. Hu rau peb hnub no los tham txog koj cov kev xav tau thiab tshawb nrhiav seb peb cov khoom tuaj yeem txhim kho koj cov kab ke siab - zaus.
Cov ntaub ntawv
Incropera, FP, & DeWitt, DP (2002). Lub hauv paus ntawm Kev Kub Kub thiab Kev Hloov Loj. John Wiley & Tub.
Pozar, DM (2011). Microwave Engineering. John Wiley & Tub.
Reed, RC (1985). Graphite Fibers thiab lawv cov Composites. Elsevier.