Ceramic Kub dab dej

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Ceramic heat sink feem ntau yog tsim los ntawm cov cua kub dissipation txheej thiab cov txheej txheem cua sov, cov txheej txheem kub dissipation yog siv cov kua theem tshuaj hloov hauv paus ntsiab lus rau latex slurry uneven dispersion, tsim ntawm ceramic hmoov nyias qauv, thiab ua ke nrog sub-micron. hmoov, thiab ces raug rho tawm mus rau hauv hollow siv lead ua kab noj hniav qauv tshav kub dissipation txheej, lub porosity ntawm lub micro kab noj hniav qauv ntawm lub tshav kub dissipation txheej ntawm 5% thiab 40%, Qhov luaj li cas ntawm cov hmoov yog nruab nrab ntawm 90 nm thiab 300 nm.Qhov chaw sib cuag nrog lub tshav kub muaj ib txheej thermal conductivity, uas absorbs thiab conducts lub tshav kub.Los ntawm qhov chaw siab ntawm qhov ntxeem tau ntawm cov txheej txheem cua sov dissipation, lub tshav kub dissipation muaj peev xwm txhim kho los ntawm kev siv cov huab cua raws li qhov nruab nrab kub dissipation.

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Ceramic heat sink yog ib yam khoom uas dissipates cua sov los ntawm cov hluav taws xob hluav taws xob hluav taws xob ntawm cov khoom siv hluav taws xob.Tam sim no, feem ntau siv alumina ceramic ntawv, aluminium nitride ceramic ntawv, silicon carbide ceramic ntawv.

Alumina ceramic ntawv: Nws muaj kev ua haujlwm siab thermal, thermal conductivity: 24W / MK, siab kub / siab siab tsis kam, kub sib npaug, ceev cua sov dissipation.Tsis tas li ntawd, nws muaj cov qauv yooj yim thiab compact, me me, du nto, siab zog thiab nws tsis yooj yim rau tawg, acid thiab alkali corrosion kuj, ruaj.

Aluminium nitride ceramic ntawv: Cov xim yog grey dawb, du nto, tuaj yeem hloov kho rau txhua yam duab lossis loj, yooj yim siv thiab nruab.Lub tshuab hluav taws xob ceramic no muaj cov thermal conductivity siab heev, thermal conductivity yog 7-10 npaug ntawm alumina ceramic daim ntawv, tuaj yeem ncav cuag 180W siab, nws cov hluav taws xob rwb thaiv tsev ua tau zoo heev, dielectric tsis tu ncua thiab nruab nrab poob qis, tuaj yeem tiv taus 1800 degrees Celsius thiab tsis cuam tshuam rau kev ua haujlwm ntawm cov khoom.Nrog rau txoj kev loj hlob sai ntawm cov khoom siv hluav taws xob, qhov kev thov rau cov khoom siv hluav taws xob lossis cov khoom siv pabcuam kuj tseem nce ntxiv, thiab daim ntawv thov tus nqi ntawm cov khoom no yog cov thermal conductivity aluminium nitride ceramic ntawv raws li matrix lossis cov khoom ntim tau dhau los ua ntau thiab ntau dua hauv kev ua lag luam. .

Silicon carbide ceramic ntawv: Nws yog ntsuab ib puag ncig tiv thaiv cov ntaub ntawv, nws belongs rau lub microporous qauv, nyob rau hauv tib lub cheeb tsam yuav ua tau ntau tshaj 30% porosity, zoo heev nce tshav kub dissipation cheeb tsam thiab huab cua sib cuag, txhim khu lub tshav kub dissipation nyhuv.Nyob rau tib lub sijhawm, nws lub peev xwm cua sov yog me me, nws tus kheej cov cua kub cia yog me me, cov cua sov tuaj yeem hloov mus rau lub ntiaj teb sab nraud sai dua, cov yam ntxwv tseem ceeb ntawm cov dab dej kub kub ceramic: kev tiv thaiv ib puag ncig, rwb thaiv tsev thiab kev kub siab ua haujlwm, ua kom muaj cua sov zoo. , kom tsis txhob muaj kev yug me nyuam ntawm EMI teeb meem.Nws tuaj yeem daws tau cov teeb meem ntawm kev siv hluav taws xob thiab hluav taws xob hauv hluav taws xob thiab khoom siv hauv tsev.Nyob rau tib lub sij hawm, nws yog tshwj xeeb tshaj yog haum rau me me thiab nruab nrab wattage zog noj.Qhov chaw tsim qauv them nyiaj rau lub teeb, nyias, luv luv thiab cov khoom me me, uas tuaj yeem muab kev txhawb nqa thiab kev siv rau kev tsim kho tshiab thiab kev tsim cov khoom siv hluav taws xob.

Qhov zoo

1.Ceramic cua sov dab dej tuaj yeem ncaj qha tshav kub dissipation, thiab qhov ceev yog ceev heev, txo qhov cuam tshuam ntawm rwb thaiv tsev txheej ntawm thermal efficiency;

2.Ceramic kub dab dej yog cov qauv polycrystalline, cov qauv no tuaj yeem ntxiv dag zog rau cov cua sov dissipation, dhau ntawm kev ua lag luam feem ntau cov ntaub ntawv thermal rwb thaiv tsev;

3.Ceramic cua sov dab dej tuaj yeem ua tau ntau qhov kev taw qhia cov cua sov, ua kom kub dissipation;

4.Ceramic heat sink lub rwb thaiv tsev, siab thermal conductivity, high voltage kuj, kub tsis kam, hnav tsis kam, siab zog, oxidation kuj, acid thiab alkali tsis kam, ntev kev pab cuam lub neej, tsis tshua muaj thermal expansion coefficient yuav xyuas kom meej stability ntawm ceramic kub dab dej qhov kub thiab txias ib puag ncig lossis lwm qhov chaw hnyav;

5.Ceramic kub dab dej tuaj yeem tiv thaiv kev cuam tshuam (EMI), anti-static;

6.Ceramic kub dab dej siv cov khoom siv ntuj tsim, ua tau raws li qhov yuav tsum tau muaj kev tiv thaiv ib puag ncig;

7.Ceramic kub dab dej lub ntim me me, lub teeb yuag, lub zog siab, tuaj yeem txuag qhov chaw, txuag cov ntaub ntawv, txuag cov khoom thauj, ntau qhov tsim nyog rau kev tsim khoom tsim nyog;

8.Ceramic cua sov dab dej tuaj yeem tiv taus siab tam sim no, siab voltage, tuaj yeem tiv thaiv kom tawg, tsis muaj suab nrov, yuav tsis tsim kev sib txuas parasitic capacitance nrog MOS thiab lwm lub hwj chim raj, thiab yog li ntawd ua kom yooj yim cov txheej txheem lim, nws yuav tsum tau lub creepage nrug yog luv dua. hlau lub cev xav tau, tuaj yeem txuag tau qhov chaw ntawm lub rooj tsavxwm, ntxiv rau kev tsim cov engineers thiab cov ntawv pov thawj hluav taws xob.

Kev Taw Qhia Daim Ntawv Thov

Ceramic heat sink feem ntau yog siv rau hauv cov khoom lag luam uas xav tau cov khoom siv hluav taws xob hluav taws xob, xws li cov khoom siv hluav taws xob, IC MOS raj, IGBT thaj hom hluav taws xob rwb thaiv tsev, hluav taws xob ntau zaus, kev sib txuas lus, cov khoom siv tshuab.Tsis tas li ntawd, ceramic radiator tseem yuav siv tau rau hauv LED teeb pom kev zoo, lub tshuab hluav taws xob siab, lub zog amplifier / suab, lub zog transistor, fais fab module, nti IC, inverter, network / broadband, UPS fais fab mov thiab lwm yam.