Xov xwm

  • Kev npaj cov txheej txheem ntawm cov khoom siv carbon fiber ntau

    Kev npaj cov txheej txheem ntawm cov khoom siv carbon fiber ntau

    Txheej txheem cej luam ntawm Carbon-Carbon Composite Materials Carbon / carbon (C / C) cov khoom sib xyaw yog cov khoom siv carbon fiber reinforced composite nrog cov khoom zoo heev xws li lub zog siab thiab cov qauv, lub teeb tshwj xeeb, lub zog me me thermal expansion coefficient, corrosion resistance, thermal ...
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  • Daim ntawv thov teb ntawm carbon / carbon composite cov ntaub ntawv

    Daim ntawv thov teb ntawm carbon / carbon composite cov ntaub ntawv

    Txij li thaum nws tsim nyob rau hauv 1960s, cov pa roj carbon-carbon C / C composites tau txais kev saib xyuas zoo los ntawm cov tub rog, aerospace, thiab nuclear zog kev lag luam. Nyob rau theem pib, cov txheej txheem tsim khoom ntawm cov pa roj carbon monoxide yog qhov nyuaj, kev nyuaj, thiab cov txheej txheem npaj wa ...
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  • Yuav ua li cas ntxuav PECVD graphite nkoj?| VET Zog

    Yuav ua li cas ntxuav PECVD graphite nkoj?| VET Zog

    1. Kev lees paub ua ntej kev ntxuav 1) Thaum lub nkoj PECVD graphite siv ntau tshaj 100 mus rau 150 zaug, tus neeg teb xov tooj yuav tsum tau xyuas cov txheej txheem txheej hauv lub sijhawm. Yog tias muaj txheej txheej txawv txav, nws yuav tsum tau ntxuav thiab paub tseeb. Qhov txheej txheej xim ntawm th...
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  • Lub hauv paus ntsiab lus ntawm PECVD graphite nkoj rau hnub ci cell (txheej) | VET Zog

    Lub hauv paus ntsiab lus ntawm PECVD graphite nkoj rau hnub ci cell (txheej) | VET Zog

    Ua ntej tshaj plaws, peb yuav tsum paub PECVD (Plasma Enhanced Chemical Vapor Deposition). Plasma yog qhov kev siv zog ntawm thermal txav ntawm cov khoom molecules. Kev sib tsoo ntawm lawv yuav ua rau cov roj molecules yuav ionized, thiab cov khoom yuav dhau los ua ib qho sib xyaw ntawm fr ...
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  • Yuav ua li cas lub zog tshiab tsheb ua tiav lub tshuab nqus tsev pab braking? | VET Zog

    Yuav ua li cas lub zog tshiab tsheb ua tiav lub tshuab nqus tsev pab braking? | VET Zog

    Lub zog tshiab tsheb tsis tau nruab nrog roj cav, yog li lawv ua li cas thiaj li ua tiav lub tshuab nqus tsev pab thaum lub sijhawm nres? Lub zog tshiab tsheb feem ntau ua tiav kev pab nres los ntawm ob txoj hauv kev: Thawj txoj kev yog siv lub tshuab nqus tsev hluav taws xob lub zog. Qhov system no siv lub tshuab hluav taws xob ...
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  • Vim li cas peb thiaj siv UV daim kab xev rau wafer dicing? | VET Zog

    Vim li cas peb thiaj siv UV daim kab xev rau wafer dicing? | VET Zog

    Tom qab lub wafer tau dhau los ntawm cov txheej txheem dhau los, kev npaj chip tiav, thiab nws yuav tsum tau txiav kom cais cov chips ntawm lub wafer, thiab thaum kawg ntim. wafer txiav txheej txheem xaiv rau wafers ntawm txawv thicknesses kuj txawv: ▪ wafers nrog ib tug tuab ntawm ntau ...
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  • Wafer warpage, yuav ua li cas?

    Wafer warpage, yuav ua li cas?

    Hauv qee cov txheej txheem ntim khoom, cov khoom ntim nrog sib txawv thermal expansion coefficients yog siv. Thaum lub sij hawm ntim cov txheej txheem, lub wafer muab tso rau ntawm lub ntim substrate, thiab tom qab ntawd cov kauj ruam cua sov thiab cua txias yog ua kom tiav cov ntim. Txawm li cas los xij, vim qhov tsis sib haum xeeb ntawm ...
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  • Vim li cas cov tshuaj tiv thaiv ntawm Si thiab NaOH sai dua SiO2?

    Vim li cas cov tshuaj tiv thaiv ntawm Si thiab NaOH sai dua SiO2?

    Vim li cas cov tshuaj tiv thaiv ntawm silicon thiab sodium hydroxide tuaj yeem dhau ntawm silicon dioxide tuaj yeem txheeb xyuas los ntawm cov hauv qab no: Qhov sib txawv ntawm cov khoom siv hluav taws xob hluav taws xob ▪ Cov tshuaj tiv thaiv ntawm silicon thiab sodium hydroxide: Thaum silicon reacts nrog sodium hydroxide, Si-Si daim ntawv cog lus lub zog ntawm silicon yog ...
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  • Vim li cas silicon nyuaj tab sis nkig?

    Vim li cas silicon nyuaj tab sis nkig?

    Silicon yog ib qho atomic siv lead ua, uas nws cov atoms txuas rau ib leeg los ntawm covalent bonds, tsim cov qauv spatial network. Nyob rau hauv cov qauv no, covalent bonds ntawm atoms yog heev directional thiab muaj siab daim ntawv cog lus zog, uas ua rau silicon qhia siab hardness thaum resisting sab nraud rog t ...
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