
Daim ntawv Composite Substrate yog hais txog cov khoom siv hauv paus, feem ntau hauv daim ntawv, uas yog tsim los ntawm ob lossis ntau qhov sib txawv ntawm lub cev lossis tshuaj lom neeg ua ke los tsim cov khoom tshiab nrog cov khoom zoo dua piv rau nws tus kheej cov khoom. Hauv cov ntsiab lus kev lag luam siab heev, qhov no feem ntau suav nrog kev sib koom ua ke ntawm cov tawv tawv, cov khoom siv hluav taws xob (xws li cov hlau lossis polymer) nrog lub zog, txhawb zog theem (xws li ceramic hais los yog fibers) kom ua tiav qhov sib npaug ntawm lub zog, toughness, thiab lwm yam kev ua haujlwm tshwj xeeb.
Cov substrates no yog tsim los ua lub hauv paus platform rau kev ua haujlwm ntxiv lossis ua cov txheej txheem tseem ceeb hauv kev thov.
Tailored Properties: Qhov tseem ceeb tshaj plaws yog lub peev xwm los tsim cov khoom siv nrog cov khoom tshwj xeeb uas tsis pom hauv ib qho khoom siv. Qhov no suav nrog optimizing rau:
High Strength-rau-Weight Ratio: Tshwj xeeb tshaj yog nyob rau hauv polymer los yog hlau matrix composites reinforced nrog carbon los yog ceramic fibers.
Txhim khu kev hnav tsis kam: Ua tiav los ntawm kev sib xyaw cov khoom nyuaj xws li tungsten carbide lossis ceramic rau hauv cov hlau matrix.
Txhim kho Thermal lossis Hluav Taws Xob Conductivity: Los ntawm kev sib xyaw cov khoom siv hluav taws xob lossis cov khoom siv.
Tswj Thermal Expansion: Qhov tseem ceeb hauv cov khoom siv hluav taws xob kom haum rau kev nthuav dav ntawm semiconductors.
Multi-Functionality: Ib daim ntawv sib xyaw tuaj yeem tsim los ua ntau lub luag haujlwm, xws li muab kev txhawb nqa, hnav tsis kam, thiab kev tswj xyuas thermal ib txhij.
Anisotropy: Cov khoom tuaj yeem tsim kho kom muaj kev taw qhia (anisotropic), xws li muaj zog nyob rau hauv ib qho kev taw qhia vim muaj cov fibers ua ke, uas yog qhov zoo tagnrho rau cov ntawv thov kev thauj khoom tshwj xeeb.
Lub "composite sheet substrate" yog ib pawg dav. Hom tseem ceeb muaj xws li:
Hlau Matrix Composites (MMC): Lub hauv paus hlau (piv txwv li, txhuas, tooj liab) ntxiv dag zog nrog cov khoom siv ceramic (piv txwv li, silicon carbide, boron carbide) lossis fibers.
Ceramic Matrix Composites (CMC): Ceramic matrix (piv txwv li, silicon carbide) ntxiv dag zog nrog cov ceramics, muab qhov tshwj xeeb kub-kub lub zog thiab tawg toughness piv rau monolithic ceramics.
Polymer Matrix Composites (PMC): Ib qho polymer resin (piv txwv li, epoxy) ntxiv nrog cov fibers txuas ntxiv (xws li, carbon, iav, aramid). Cov no yog cov ntawv "composite" classic siv hauv aerospace thiab cov khoom ua si.
Laminated Composites: Ntau txheej ntawm cov ntaub ntawv sib txawv (xws li hlau, polymers) tau sib koom ua ke los tsim ib daim ntawv nrog cov khoom tau los ntawm txhua txheej.
Composite sheet substrates yog lub hauv paus hauv kev lag luam high-tech:
Electronics Ntim: Siv los ua substrates rau semiconductor chips thiab circuits. Piv txwv li:
Direct Bonded Copper (DBC): Ib daim ntawv ceramic (xws li Al₂O₃ lossis AlN) nrog tooj liab sib txuas rau ob sab, siv rau cov khoom siv fais fab.
Hlau Core PCBs: Lub hauv paus hlau (zoo li txhuas) nrog ib txheej dielectric thiab txheej txheej, siv rau LED teeb pom kev zoo.
Aerospace & Defense: Raws li cov qauv vaj huam sib luag rau cov tawv nqaij dav hlau, cov khoom siv satellite, thiab cov cuab yeej ua tub rog, qhov hnyav thiab lub zog siab yog qhov tseem ceeb.
Hnav-Resistant Liners: MMC cov ntawv uas muaj tungsten carbide los yog lwm cov theem nyuaj yog siv los ua cov khoom siv hauv mining, kev ua liaj ua teb, thiab kev tuav cov khoom.
Kev Tswj Thermal: Raws li cov dab dej kub lossis cov khoom sib kis hauv cov khoom siv hluav taws xob muaj zog, siv cov khoom sib xyaw nrog cov thermal conductivity (piv txwv li, Al-SiC).
Cov lus hauv qab no qhia txog cov yam ntxwv tseem ceeb rau kev saib xyuas sai:
| Feature | Kev piav qhia | Qhov zoo |
| Core tswvyim | Ib daim ntawv hauv paus ua los ntawm kev sib txuas ob lossis ntau yam khoom sib txawv. | Ua kom tsim cov ntaub ntawv nrog cov cuab yeej sib txuas ua tsis tau rau ib qho khoom siv. |
| Ntsiab Cai | Synergy. Lub matrix thiab kev txhawb zog ua haujlwm ua ke los tsim cov khoom zoo dua. | Ua tiav qhov kev pom zoo sib npaug, piv txwv li, toughness los ntawm matrix thiab hardness los ntawm qhov ntxiv dag zog. |
| Common Reinforcements | Particles (Carbide, Ceramic), Fibers (Carbon, iav). | Imparts cov khoom tshwj xeeb xws li hnav tsis kam lossis siab zog. |
| Common Matrices | Hlau (Al, Cu), Polymers (Epoxy), Ceramics (SiC). | Muab cov theem tas mus li, muab qhov toughness, thiab khi lub zog. |
| Thawj Tsav Tsheb | Kev ua haujlwm thiab kev ua haujlwm. | Tso cai rau lub teeb yuag, ua haujlwm tau zoo, thiab ruaj khov tsim hauv kev tsim kho qib siab. |
| Kev lag luam tseem ceeb | Electronics, Aerospace, Automotive, Defense, High-end Manufacturing. | Cov khoom siv rau kev txhim kho thev naus laus zis hauv cov haujlwm no. |
Hauv cov ntsiab lus, a Composite Sheet Substrate yog ib qho khoom siv hauv paus zoo heev. Nws tsis yog ib qho yooj yim raw khoom tab sis ib tug sophisticated platform tsim los ntawm atomic qib mus rau muab tej yam kev kho tshuab, thermal, thiab hluav taws xob zog, ua rau nws indispensable rau niaj hnub high-kev ua tau zoo daim ntaub ntawv.