Qhov sib txawv ntawm ceramic circuit board thiab pa PCB board

Piv nrog rau cov ntawv luam tawm ib txwm siv hluav taws xob (PCB), ceramic circuit boards muaj ntau yam zoo. Vim tias nws cov thermal conductivity thiab qhov tsawg kawg nkaus expansion coefficient (CTE), ceramic circuit boards muaj ntau lub zog, yooj yim zog thiab kev ua tau zoo dua piv rau cov pa PCB. Koj puas xav nkag siab cov ntaub ntawv ntau ntxiv txog ceramic PCB, thiab lawv muaj kev cuam tshuam zoo li cas rau tag nrho cov nqi ntawm koj lub tuam txhab? Hauv tsab xov xwm no, peb hais txog txhua yam kev paub txog ceramic PCB, ntau hom muaj thiab lawv tus kheej siv rooj plaub.

Qhov zoo thiab qhov tsis zoo ntawm ceramic PCB

Qhov zoo: 1. Cov thermal conductivity zoo heev; 2. Cov tshuaj tiv thaiv corrosion; 3. Tau tshaj txhua yam muaj zog; 4. Yooj yim paub txog kev ceev ceev ceev; 5.CTA Cheebtsam compatibility

Qhov tsis zoo: 1. tus nqi siab dua tus qauv PCB; 2. Muaj tsawg tsawg; 3. Kev kho tsis taus

Hom ntawm ceramic PCB

Kub kub

Tej zaum qhov nrov tshaj plaws ceramic PCB hom yog high-temperature PCB. Tsim los rau high-temperature ceramic circuit boards feem ntau hu ua high-temperature co-burning ceramics (HTCC) circuits. Cov kab hluav taws xob no yog tsim los ntawm cov nplaum nplaum, cov roj nplaum, cov kuab tshuaj, cov yas yas, thiab txhuas alumina los ua cov ceramics.

Siv cov ntaub ntawv tsim los ntawm cov khoom siv ceramic, tom qab ntawd cov khoom siv, thiab taug qab kev ntsuas hluav taws xob ntawm tungsten lossis molybdenum hlau. Tom qab qhov kev siv, qhov ci ci yog mus txog 48 teev ntawm 1600 thiab 1700 degrees Celsius. Tag nrho HTCC ci yog ua nyob rau hauv cov roj ib puag ncig, xws li hydrogen.

Tsawg kub

Tsis zoo li HTCC, qis-temperature co-burning ceramic PCB yog tsim los ntawm kev sib xyaw cov iav siv lead ua nrog cov nplaum rau ntawm cov phaj hlau nrog cov xim kub. Tom qab ntawd, ua ntej muab lub voj voog rau hauv lub qhov cub gaseous ntawm li 900 degrees Celsius, txiav lub voj voog thiab nias txheej. Tsawg-temperature co-burning ceramic PCB tau txais txiaj ntsig tsawg dua tshem tawm thiab txhim kho shrinkability. Hauv lwm lo lus, lawv muaj lub zog zoo heev thiab thermal conductivity piv rau HTCC thiab lwm hom ceramic PCB. Thaum siv cov khoom cua kub dissipation xws li LED teeb, LTCC lub tshav kub dissipation kom zoo dua muab qhov zoo dua.

Thick zaj duab xis ceramics

Cov tuab-membrane ceramic circuit muaj xws li kub thiab hluav taws xob pulp ua tiav ntawm cov khoom siv ceramic. Thaum ua tiav lawm, ci lub ncuav ntawm 1, 000 degrees Celsius lossis qis dua. Vim yog tus nqi siab ntawm cov neeg xyuas pib kub slurry, hom PCB no nrov heev ntawm cov tuam txhab luam ntawv loj loj.

Piv nrog rau cov tsoos PCB, lub ntsiab kom zoo dua ntawm tuab zaj duab xis ceramic cov ntaub ntawv yog cov tuab membrane ceramics tuaj yeem tiv thaiv tooj liab oxidation. Yog li, yog tias cov chaw tsim khoom ceramic PCB txhawj xeeb txog oxidation, nws tuaj yeem tau txais txiaj ntsig los ntawm kev xaiv cov tuab-membrane ceramic circuits. Qee cov neeg feem ntau nug peb, "Puas muaj pes tsawg txheej ntawm ceramic PCB?" Txawm li cas los xij, cov lus teb nyob ntawm seb hom ceramic PCB siv. Qhov tsawg kawg nkaus txheej siv hauv ceramic PCB yog ob txheej, tab sis raws li kev ua tau zoo ntawm cov khoom, nws tuaj yeem nce ntau txheej. Kev ntsuas ntsuas dav dav tuaj yeem pab cov tuam txhab nkag siab txog lawv cov qauv tsim PCB.

Ceramic PCB siv cov ntaub ntawv

Nco module

Ib qho ntawm cov ntawv thov tseem ceeb ntawm ceramic PCB yog cuam tshuam nrog kev cia khoom. Cov PCB no muaj lub cim xeeb sib xyaw ua ke thiab feem ntau yog siv los tsim DDR SDRAM thiab lwm yam khoom siv hauv computer ntsig txog kev nco. Txhua RAMs siv nyob rau hauv ib tug neeg lub computer yuav tsum muaj ib tug ceramic substrate PCB nrog ib tug integrated nco module.

Txais thiab kis tau tus mob module

Ceramic PCB ua rau kev tsim cov radar technology ua tau. WestingHouse yog thawj lub tuam txhab tsim kev tshaj tawm thiab tau txais cov qauv nrog ntau txheej txheej ceramic PCB vim tias lawv muaj cov thermal thermal thiab sib xws CTEs. Tsis zoo li cov qauv PCB, cov kab hluav taws xob ceramic yog tib lub voj voog uas tuaj yeem siv los tsim cov kis tau tus mob.

Multi-layer interconnection board

Ib qho ntawm cov ntsiab lus muag tseem ceeb ntawm ceramic PCB yog tias lawv lub peev xwm ntau dua li cov khoom siv hluav taws xob. Hauv lwm lo lus, piv nrog cov tsoos PCB, ceramic PCB siv tib qhov chaw kom haum rau ntau yam khoom. Yog li ntawd, nws muaj peev xwm siv tau ntau dua cov txheej txheem ceramic PCB.

Simulation / Digital PCB

Ntau lub tuam txhab suav siv cov khoom siv hluav taws xob qis qis (LTCC) boards los tsim cov kev sim siab tshaj plaws thiab cov laug cam nrog kev ua haujlwm zoo hauv Circuit Court. Cov tuam txhab lag luam ntawm tus kheej tau siv LTCC los tsim ntau lub teeb yuag, yog li txo qhov hnyav tag nrho ntawm cov khoom thiab txo qhov bruises.

Hnub ci vaj huam sib luag

Ob lub HTCC thiab LTCC yog siv los ua cov hnub ci vaj huam sib luag thiab lwm yam photovoltaic (PV) hluav taws xob panels. Lub vaj huam sib luag photovoltaic siv ntau txheej txheej ceramic phaj los xyuas kom meej lub neej thiab txaus thermal conductivity.

Hluav taws xob transmitter

Kev xa xov hluav taws xob wireless thiab them nyiaj modules tau dhau los ua ntau dua, dhau los ua cov khoom siv hluav taws xob. Cov cuab yeej no tau tsim nrog cov thev naus laus zis ceramic PCB vim lawv qhov tshwj xeeb thermal kev ua tau zoo thiab kub dissipation ceramic substrates.

Lub rooj tsavxwm ceramic yog siv los tsim cov khoom siv hluav taws xob, thiab lub zog kis tau los ntawm lub receiver thiab transmitter los ntawm electromagnetic teb. Lub inductive coil pab xa hluav taws xob los ntawm qhov qub electromagnetic teb thiab hloov mus rau hauv ib qho tam sim no rau lub receiver circuit. Feem ntau, lub receiver Circuit Court yog ua los ntawm ceramic puag PCB khoom.

Semiconductor txias

Ntau thiab ntau cov khoom siv hluav taws xob tau dhau los ua me me. Tom qab lub miniaturization ntawm cov neeg siv khoom siv hluav taws xob yog semiconductor chips, thiab semiconductor chips tau dhau los ua me thiab me dua txhua xyoo. Semiconductor chips siv micro-manufacturing thev naus laus zis kom ua tiav kev sib xyaw ua ke siab dua thaum tswj xyuas qhov muaj peev xwm taug qab zoo tshaj plaws. Traditional PCB tsis tuaj yeem ua tau raws li lub zog hluav taws xob uas xav tau los ntawm cov khoom siv niaj hnub semiconductor. Txawm li cas los xij, qhov tshwm sim ntawm ceramic-based semiconductor circuits tau ua rau kev sib koom ua ke zoo heev thiab kev ua haujlwm ntawm micro-circuit Cheebtsam. Yog li ntawd, ceramic PCB substrates feem ntau suav hais tias yog yav tom ntej ntawm semiconductor technology.

High-power LED

Ceramic substrate muab lub hauv paus zoo tshaj plaws rau high-power LED teeb. Tsis zoo li ib txwm siv PCB, ceramic Circuit Court siv cov tshuab tuab tuab los ua kom thermal efficiency. Yog li ntawd, lub tshav kub tsim los ntawm LED teeb (kwv yees li 70 feem pua ​​​​ntawm cov calories ntawm LEDs) tsis cuam tshuam rau kev ua haujlwm ntawm lub voj voog. Hauv lwm lo lus, tsuas yog cov kab hluav taws xob ceramic tuaj yeem muab cov thermal efficiency theem uas yuav tsum tau rau LED ci. Thaum LED tau tsim los ntawm cov kab hluav taws xob ceramic, tsis muaj cov khoom siv hluav taws xob (tseem hu ua radiator). Yog li ntawd, yog tias cov chaw tsim khoom siv cov khoom siv hluav taws xob ceramic, cov ntaub ntawv xav tau los tsim thiab tswj cov teeb ci LED yuav tsawg dua.

Ceramic PCB hom

Alumina

Kuj hu ua AL2O3 thiab hlau puag PCB. Alumina yog ib hom PCB. Nws siv lub diesel thermal conductivity thiab hluav taws xob rwb thaiv tsev khoom ntawm txhuas hlau thiab tooj liab txheej. Nws yog qhov nyiam PCB uas muaj cov cua sov dissipation thiab tag nrho qhov kub thiab txias tswj thiab tswj. Cov qauv txhuas feem ntau yog tsim los ntawm peb txheej. Ib txheej tooj liab txheej ntawm li 1 mus rau 10 ooj. Thick, txheej rwb thaiv tsev ua los ntawm thermal conductivity thiab hluav taws xob rwb thaiv tsev cov ntaub ntawv, thiab lub hauv paus txheej ua los ntawm tooj liab los yog txhuas puag. Muaj ntau hom aluminium PCB. Muaj ntau hom kev hloov pauv, hom sib xyaw, ntau txheej txheej thiab hom pore.

Ain

Ain, tseem hu ua aluminium nitride, yog cov khoom siv tshiab thiab tau tsim los ua cov khoom lag luam. Hauv ob xyoos dhau los, nws muaj cov yam ntxwv ntawm kev rov ua dua thiab kev tswj xyuas. Ain yog qhov kev xaiv zoo vim tias nws muaj kev ua tau zoo dielectric, qis thermal expansion coefficient, siab thermal conductivity, thiab tsis-reactivity rau cov khoom siv hluav taws xob zoo tib yam semiconductor crafts. Aluminium nitride PCB feem ntau yog siv rau lub tshuab hluav taws xob, cov khoom siv microwave ntim, cov khoom siv hlau yaj, cov khoom ntim hluav taws xob, thiab cov khoom siv hluav taws xob ua cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob.