Tsav los ntawm "tshiab plaub modernizations", kev ua haujlwm ceev ntawm cov tshuab hluav taws xob hauv cov tsheb tshiab lub zog yog nce ntxiv, ua rau muaj kev nce ntxiv hauv kev siv hluav taws xob ntawm semiconductor chips. Lub teeb yuag thiab kev sib koom ua ke siab tau dhau los ua cov ntsiab lus tseem ceeb ntawm kev tsim kho kev lag luam, thaum tshav kub dissipation maj mam dhau los ua ib qho tseem ceeb ntawm cov fwj tseem ceeb cuam tshuam rau kev ruaj ntseg thiab lub neej ntawm cov khoom siv hluav taws xob.
Tawm tsam qhov teeb meem no, cov ntaub ntawv ceramic, nrog rau lawv cov thermal conductivity, rwb thaiv tsev, thiab kev ntseeg siab, tau maj mam los rau pem hauv ntej thiab sib sib zog nqus ua ke nrog ceramic metallization thev naus laus zis, dhau los ua cov khoom tseem ceeb hauv thermal tswj kev daws teeb meem rau lub zog tshiab.
Cov Khoom Siv Ceramic: Cov Khoom Siv Hluav Taws Xob rau Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob
Ceramics tau dhau los ua cov khoom ntim tseem ceeb rau cov khoom siv hluav taws xob vim lawv qhov sib xyaw ua ke ntawm cov thermal conductivity, tsis tshua muaj dielectric poob, zoo rwb thaiv tsev, siab kub tsis kam, thiab thermal expansion coefficient uas zoo sib xws rau cov nti. Cov khoom no ua rau metallized ceramics, metallized alumina, thiab metallized alumina ceramics cov ntaub ntawv tseem ceeb rau cov khoom siv hluav taws xob siab tam sim no.
Ntawm lawv, alumina ceramic Cheebtsam xws li AlN thiab Al₂O₃, vim lawv lub cev ruaj khov, tau siv dav hauv cov khoom siv fais fab, ntim LED, relays, thiab lub zog modules ntawm lub zog tshiab. Nrog rau kev txhim kho txuas ntxiv ntawm qhov kev sib txuas ntawm cov txheej txheem ceramic thiab hlau, qhov nkag mus ntawm metalized ceramics hauv hluav taws xob tsheb hluav taws xob hluav taws xob txuas ntxiv nce ntxiv.
Metallization Technology Drives Breakthroughs hauv Ceramic Applications
Txawm hais tias ceramics muaj cov rwb thaiv tsev zoo thiab thermal zog, lawv tsis yog conductive. Yuav kom ua tiav kev ua haujlwm hauv Circuit Court, ceramic metallization yog tsim nyog. Cov txheej txheej metallization yuav tsum tsis yog tsuas yog muaj cov khoom siv zoo xwb tab sis kuj tseem ruaj khov rau cov ceramic, tiv taus cov xwm txheej nyuaj xws li kev caij tsheb kauj vab, kev ntxhov siab, thiab ntev - nqi nqa.
Qhov laj thawj tseem ceeb vim li cas ceramics thiab hlau tsis yooj yim rau kev sib txuas ncaj qha yog qhov sib txawv tseem ceeb hauv lawv cov khoom siv tshuaj, coefficients ntawm thermal expansion, thiab wettability. Yog li ntawd, cov ceramic - mus rau - txheej txheem hloov hlau feem ntau xav tau kev tsim kho ntawm cov qauv kev sib txuas ruaj khov los ntawm cov tshuaj tiv thaiv metallurgical, interface modulation, lossis metallization ntawm nyias zaj duab xis.
Tam sim no, ceramic metallization feem ntau poob rau hauv ob pawg loj:
1. Solid-state bonding metallization technologies
Cov no suav nrog kev sib txuas ncaj qha tooj liab (DBC), ncaj qha aluminium bonding, thiab tuab - zaj duab xis txoj kev. Cov txheej txheem no sim ua kom tiav cov khoom ncaj nraim- lub xeev kev sib raug zoo ntawm cov ceramics thiab hlau, tab sis cov hom hlau uas tuaj yeem cuam tshuam ncaj qha nrog ceramics muaj tsawg, thiab lawv feem ntau xav tau cov xwm txheej hnyav xws li kub thiab lub tshuab nqus tsev. Hauv kev tsim khoom tiag tiag, cov khoom siv sib txuas ntxiv yog feem ntau xav tau kom ua tiav kev sib raug zoo.
2. Nyias -film metallization hloov txheej txheej
Los ntawm sputtering, evaporation, thiab electroless plating, metallized nyias zaj duab xis yog tsim nyob rau hauv ceramic nto los txhim kho wettability thiab interface qauv, npaj rau tom ntej hlau txheej deposition thiab vuam. Hom kev siv no yog siv dav hauv cov khoom siv hlau metallized ceramics, metallized alumina ceramics, thiab ceramic ntim, thiab tshwj xeeb tshaj yog tsim rau siab -kev ntseeg siab thiab precision electronic modules.
Kev soj ntsuam ntawm Hom Ceramic Metallization Technologies
1. Thick -film metallization (TPC)
Thick- zaj duab xis tshuab siv kev tshuaj ntsuam luam ntawv ntawm cov khoom siv tshuaj thiab siab -kub sintering los ua ib zaj duab xis. Cov txheej txheem yog yooj yim thiab muaj feem xyuam rau ntau yam khoom siv metallized ceramic. Txawm li cas los xij, txoj kev xaim raug txwv los ntawm qhov tseeb ntawm cov xaim mesh, ua rau nws haum rau loj - cov khoom siv loj nrog cov kev xav tau ntawm lub zog nruab nrab, tab sis tsis tuaj yeem hloov mus rau siab -cov khoom ntim cov khoom siv los yog nplua alumina ceramic machining.
2. Thin Film Metallization (TFC)
Siv cov txheej txheem vapor deposition xws li lub tshuab nqus tsev sputtering thiab evaporation, ib tug siab - hlau zaj duab xis yog tsim nyob rau hauv ceramic nto. Nws boasts muaj zog adhesion, zoo kev pab them nqi, thiab yuav siv tau rau deposit films ntawm ntau yam ntaub ntawv hlau. Nyias zaj duab xis metallization yog tshwj xeeb tshaj yog haum rau siab - ceev integrated circuits, precision lead qauv, thiab siab -kev ntseeg siab metallized ceramics, tab sis nws cov nqi yog siab, yuav tsum tau zoo tom qab txheej txheem xws li photolithography thiab etching.
3. Direct Copper Lamination (DBC)
DBC cuam tshuam nrog cov ntawv ci tooj liab nrog cov ceramic ntawm qhov kub thiab txias los tsim ib daim ntawv cog lus muaj zog, tsim cov txheej hlau nrog cov thermal conductivity thiab muaj zog adhesion. Nws cov txiaj ntsig muaj xws li thermal conductivity zoo, muaj zog rwb thaiv tsev, thiab cov khoom siv zoo tshaj plaws, ua rau nws siv dav hauv cov khoom siv hluav taws xob thiab hluav taws xob tsheb tsav. Txawm li cas los xij, cov ntawv ci tooj liab tuab txwv qhov tseeb ntawm cov tshuaj etching tom ntej, txwv tsis pub tsim cov khoom siv ultra- zoo circuits.
4. Active Hlau Brazing (AMB)
AMB ua tiav qhov siab - lub zog sib txuas ntawm cov hlau txheej thiab cov khoom siv ceramic los ntawm kev ua haujlwm ntawm cov khoom siv uas muaj cov khoom siv nrog cov ceramic los ua ib qho kev sib txuas ntawm cov dej. Cov thev naus laus zis no ua haujlwm zoo siab - qhov kub thiab txias thiab yog ib txoj hauv kev metallization tseem ceeb rau nruab nrab - mus rau - siab - kawg fais fab modules, tshwj xeeb tshaj yog tsim rau cov thermal conductivity ceramics xws li metallized AlN qauv.
5. Co-firing (HTCC/LTCC)
HTCC thiab LTCC tsim cov qauv kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke los ntawm kev sib koom ua ke ntawm cov txheej txheem ceramic nrog cov xov hlau sab hauv, ua rau lawv cov thev naus laus zis tseem ceeb rau ntau - txheej txheej ceramic ntim. Cov ntawv thov HTCC raug txo qis vim nws qhov kub thiab txias, thaum LTCC tau dav siv hauv siab - zaus, siab- kev sib txuas lus ceev thiab cov khoom siv hluav taws xob hauv tsheb vim nws tsis tshua muaj dielectric poob thiab muaj peev xwm ua tiav ntau- txheej thaiv.
6. Tshuaj Plating Metallization
Chemical plating deposits ib txheej hlau los ntawm cov tshuaj txo cov txheej txheem tsis siv tam sim no, ua rau nws siv tau rau complex-zoo li tus metallized aluminium thiab tsis xwm yeem aluminium ceramic machining qauv. Nws lub zog daim ntawv cog lus yog nyob ntawm qhov roughness, ua rau nws haum rau hauv zos metallization los yog siab - qhov xav tau ntim ntim.
7. Laser Metallization
Laser cua sov ua rau thermal decomposition ntawm AlN nto, ncaj qha ua ib tug conductive hlau txheej. Txoj kev no yog tus cwj pwm los ntawm nws cov txheej txheem yooj yim, tus nqi qis, thiab kev ua haujlwm siab, ua rau nws tsim nyog rau kev tsim cov metallization sai ntawm qee cov khoom siv hluav taws xob.
Daim ntawv thov ntawm Ceramic Metallization Technology nyob rau hauv Tshiab Zog Tsheb
1. Siab -Voltage DC Relays
Lub tshuab nqus tsev relays siv metallized ceramics ua tiav arc- hloov pauv dawb nyob rau hauv qhov hluav taws xob siab dhau los ntawm cov qauv hluav taws xob ceramic, txhim kho kev ntseeg tau thiab kev nyab xeeb. Lawv ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv thermal runaway los ntawm hluav taws xob arcs. Ceramic vaj tse qauv yog irreplaceable nyob rau hauv kev tswj cov rwb thaiv tsev, tswj hluav taws xob arcs, thiab withstanding hluav taws xob shocks.
2. IGBT thiab SiC MOSFET Fais Fab Modules
Ceramic tooj liab-clad substrates (DBC/AMB) yog suav tias yog cov khoom tseem ceeb rau lub ntsiab tsav inverters ntawm lub zog tshiab tsheb vim lawv cov rwb thaiv tsev siab, siab kub dissipation, muaj zog mechanical zog, thiab zoo heev thermal expansion txuam. AMB, tshwj xeeb, ua tau zoo hauv kev sib txuas lub zog thiab kev ntseeg siab ntawm cov hlau txheej thiab ceramic interface, thiab tau dhau los ua txoj hauv kev tseem ceeb rau ntau qhov kev ua haujlwm siab - lub zog ua haujlwm.
3. LED ntim thiab Automotive teeb pom kev zoo
Feem ntau ntawm lub zog nyob rau hauv LED chips yog hloov mus rau hauv tshav kub, ua kom thermal conductivity ceramic substrate, xws li AlN, zoo tagnrho tshav kub dissipation cov ntaub ntawv rau siab - brightness thiab ultraviolet LEDs. Nrog rau kev nce ntxiv hauv lub zog ntawm lub tsheb teeb pom kev zoo, metalized ceramics tau nkag mus sai heev -lub zog LED modules.
Cov Kev Sib Tw Yav Tom Ntej: Siab Thermal Conductivity Ceramic Metallization Tseem Muaj Txoj Kev Mus Ntev
Txawm hais tias muaj ntau txoj hauv kev metallization, qhov sib txawv tseem nyob ntawm cov txheej txheem sib txawv raws li tus nqi, kev sib khi lub zog, kev ruaj khov ntau lawm, thiab loj - nplai tsim muaj peev xwm. Yuav ua li cas los tsim cov txheej txheem hlau muaj zog thiab tawv ntawm cov thermal conductivity ceramics thiab ua kom ntev - lub sij hawm kev ntseeg siab thaum lub sij hawm kub thiab qis kub cycling yog lub ntsiab lus tseem ceeb rau yav tom ntej hauv - kev tshawb fawb tob rau hauv ceramic metallization technology.
Lub zog ceev ceev, kev tsav tsheb tsis siv neeg lub tshuab xam phaj, thiab kev hloov kho txuas ntxiv mus rau lub tshuab hluav taws xob tsav yuav tag nrho cov tsav tshebmetalized ceramics, metallized alumina ceramics, ceramic ntim, thiab precision alumina ceramic machining rau hauv ntau yam kev siv.
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