Nyob rau hauv lub sijhawm tam sim no ntawm kev loj hlob ntawm kev txawj ntse txawj ntse, AI servers, raws li lub luag haujlwm tseem ceeb ntawm kev txawj ntse, muaj kev cuam tshuam ncaj qha rau kev ua haujlwm ntawm AI daim ntawv thov. Thiab pcb, qhov tseem ceeb hauv cov khoom siv hluav taws xob, yog qhov tseem ceeb hauv AI servers.
Cov kev ua tau zoo nruj ntawm AI servers rau cov ntawv luam tawm Circuits boardsHigh ceev cov ntaub ntawv xa mus
AI servers yog lub luag haujlwm rau kev ua cov ntaub ntawv loj heev thiab ua cov haujlwm ua haujlwm nyuaj, ua rau cov ntaub ntawv xa mus ceev yog qhov qhia txog kev ua haujlwm tseem ceeb. Siv AI qauv kev cob qhia ua piv txwv, ntau cov ntaub ntawv yuav tsum tau nquag sib pauv ntawm cov chips, nco, thiab cov khoom siv khaws cia hauv lub sijhawm luv luv. Lub sijhawm no, pcb yuav tsum tau ua kom ntseeg tau tias cov ntaub ntawv teeb liab ruaj khov thiab raug thaum lub sijhawm siab - zaus thiab siab - kis tau tus mob ceev, tsis txhob muaj teeb liab attenuation thiab distortion. Yuav kom ua tiav lub hom phiaj no, cov ntawv luam tawm cov ntawv luam tawm yuav tsum muaj cov dielectric tsis tu ncua thiab cov yam ntxwv tsis zoo los txo cov teeb liab kev sib kis. Meanwhile, meej impedance tswj yog indispensable. Tsuas yog los ntawm kev ua kom ntseeg tau impedance sib piv ntawm cov teeb liab kis tau tus mob tuaj yeem tiv thaiv kev cuam tshuam ntawm cov ntaub ntawv thiab cov ntaub ntawv xa mus yuav tsum tau ua kom raug thiab tsis raug.
Cov kev xav tau ntawm cov cua sov dissipation
Ntau qhov siab - cov chips ua haujlwm nyob rau hauv AI server ua kom muaj cua sov ntau thaum ua haujlwm. Yog hais tias lub tshav kub dissipation tsis raws sijhawm, qhov kub ntawm cov nti yuav ua rau kev ua haujlwm tsis zoo thiab txawm tias kho vajtse puas. Piv txwv li, thaum ua haujlwm hauv GPU pawg, ntau lub GPU chips khiav ua ke tuaj yeem ua rau lub zos kub siab tshaj 120 degree. Yog li ntawd, cov ntawv luam tawm Circuits boards yuav tsum tau ua lub luag haujlwm ntawm kev ua kom sov kom zoo. Qhov no yuav tsum tau siv cov khoom siv thermal conductivity, xws li txhuas substrates (nrog rau thermal conductivity txog li 2.0W / m · K), los yog embedded tooj liab blocks los txhim kho cov cua kub dissipation peev xwm. Nyob rau tib lub sijhawm, los ntawm qhov tsim nyog cov cua kub dissipation xws li teeb tsa cov cua kub dissipation qhov, tshav kub dissipation khaubncaws sab nraud povtseg, thiab lwm yam., cov cua sov yog ceev ceev coj mus rau lub dab dej kub kom muaj kev ruaj ntseg ntawm cov nti ntawm ib tug haum kub.
High density circuit layout xav tau
Nrog rau kev txhim kho AI thev naus laus zis, kev sib koom ua ke ntawm cov khoom siv hluav taws xob hauv AI servers txuas ntxiv nce. printed circuits boards yuav tsum ua kom tiav denser Circuit Court layouts nyob rau hauv ib tug txwv qhov chaw kom tau raws li qhov xav tau ntawm kev nce cov khoom suav thiab kev ua haujlwm nyuaj. Qhov no zoo li kev npaj ntau txoj kev thiab cov vaj tse nyob rau hauv ib qho chaw hauv nroog tsawg, kom ntseeg tau tias ob qho tib si compact layout thiab tsis yog - cuam tshuam ntawm ntau cov kab thiab cov khoom. Piv txwv li, me me AI accelerator modules feem ntau siv 4-5 kev txiav txim HDI thev naus laus zis, uas ua rau muaj kev sib txuas zoo heev, txo qhov loj ntawm Circuit Court board, thiab ua kom cov teeb liab kis tau los ntawm micro qhov, qhov muag tsis pom, thiab qhov faus.
Lub luag haujlwm tseem ceeb ntawm pcb hauv AI servers
Kev txhawb nqa lub cev thiab hluav taws xob txuas platform
pcb muab kev txhawb nqa lub cev rau ntau yam khoom siv hluav taws xob hauv AI servers, ib yam li lub hauv paus ntawm lub tsev. Nyob rau tib lub sijhawm, nws tsim kom muaj kev sib txuas hluav taws xob sib txuas ntawm cov khoom sib txuas, sib txuas cov khoom tseem ceeb xws li CPU, GPU, nco, thiab khaws cia kom lawv ua haujlwm ua ke. Los ntawm macro foundations, cov ntaub ntawv teeb liab kis tau tus mob, lub hwj chim faib, thiab kev tswj ntawm ntau yam Cheebtsam nyob rau hauv lub server tag nrho cia siab rau lub pcb. Cov khoom sib txawv muaj cov kev xav tau sib txawv rau cov teeb liab kis tau tus mob, thiab cov ntawv luam tawm Circuits boards ua tau raws li cov kev xav tau sib txawv no los ntawm kev ceev faj txog kev teeb pom kev zoo thiab cov teeb liab kis tau tus mob, ua kom muaj kev sib koom tes ntawm tag nrho cov neeg rau zaub mov.
Cov ntaub ntawv teeb liab kis tau tus mob thiab kev tswj fais fab
Nyob rau hauv cov nqe lus ntawm cov ntaub ntawv teeb liab kis tau tus mob, pcb yog lub luag hauj lwm rau kom meej thiab sai sai xa cov ntaub ntawv teeb liab generated los ntawm txawv Cheebtsam mus rau lub hom phiaj tivthaiv. Piv txwv li, cov ntaub ntawv ua tiav los ntawm CPU yuav tsum tau xa mus rau lub cim xeeb cia los ntawm pcb lossis rau GPU rau kev suav ntxiv. Thaum lub sijhawm ua haujlwm no, pcb yuav tsum ua kom muaj kev ncaj ncees thiab ruaj khov ntawm lub teeb liab. Nyob rau hauv cov nqe lus ntawm kev tswj fais fab, pcb yog lub luag hauj lwm rau stably faib lub hwj chim mus rau ntau yam Cheebtsam, kom ntseeg tau tias txhua feem tau txais qhov tsim nyog voltage thiab tam sim no. Nyob rau tib lub sijhawm, los ntawm kev teeb tsa lub zog thiab cov txheej hauv av kom zoo, lub suab nrov ntawm lub zog thiab kev cuam tshuam ntawm electromagnetic cuam tshuam tuaj yeem txo, tsim kom muaj hluav taws xob zoo rau cov teeb liab kis tau tus mob.
Advanced cov ntaub ntawv thiab thev naus laus zis uas ua tau raws li qhov xav tau
Cov ntaub ntawv thiab cov txheej txheem rau siab - kis tau tus mob ceev
Txhawm rau ua kom tau raws li qhov xav tau ntawm AI servers rau siab -kev xa xov hluav taws xob ceev ntawm cov ntawv luam tawm, kev lag luam tau txais cov khoom siv siab heev. Polytetrafluoroethylene thiab ceramic filling cov ntaub ntawv yog cov kev xaiv zoo tshaj plaws rau siab - cov ntawv thov zaus vim lawv qhov zoo tshaj plaws dielectric tsis tu ncua thiab cov yam ntxwv poob qis. Txawm li cas los xij, tus nqi siab ntawm cov ntaub ntawv no txwv lawv qhov loj - daim ntawv thov. Txog qhov kawg no, qee cov tuam ntxhab tau tsim cov khoom sib xyaw ua ke, xws li kev sib txuas FR-4 nrog PTFE, siv qis- nqi FR-4 cov khoom siv hauv cov teeb liab tsis tseem ceeb, thiab PTFE hauv cov teeb liab tseem ceeb, uas txo cov nqi thaum ua kom muaj kev ua tau zoo. Nyob rau hauv cov nqe lus ntawm technology, laser drilling tshuab tau dav siv. Ib txwm siv tshuab drilling yog nquag tsim cov burrs thaum ua cov apertures qis dua 0.2 hli, uas tuaj yeem cuam tshuam cov conductivity thiab teeb liab kis tau los ntawm qhov. CO ₂ laser drilling tshuab tuaj yeem ua tiav 0.15mm micro qhov ua, nrog rau lub qhov phab ntsa roughness tsawg dua lossis sib npaug li 15 μ m, txhim kho kev ua haujlwm ntawm cov teeb liab ntau zaus. Tsis tas li ntawd, cov txheej txheem etching qib siab tuaj yeem ua tiav cov khoom siv hluav taws xob zoo dua thiab ua tau raws li cov kev xav tau ntawm kev sib txuas siab.
Thaum tshav kub kub dissipation technology thiab cov qauv optimization
Txhawm rau kov yeej qhov teeb meem kub ntxhov, ntxiv rau kev siv cov ntaub ntawv thermal conductivity, cov tuam ntxhab txuas ntxiv tsim kho tshiab hauv pcb qauv optimization. Piv txwv li, siv 6oz tuab tooj liab phaj thev naus laus zis tuaj yeem txo cov cua sov los ntawm 30% thiab ua kom zoo dua cov cua sov. Hauv qee qhov siab - kawg AI server luam tawm Circuits boards, cov phiaj xwm hluav taws xob los yog cov kav dej kub kuj tau kos, uas siv lawv cov thermal conductivity kom sai sai tshem tawm cov cua sov uas tsim los ntawm cov nti mus rau tag nrho pcb, thiab tom qab ntawd siv cov khoom siv hluav taws xob sab nraud xws li cov dab dej kub kom dissipate nws. Nyob rau tib lub sijhawm, ua kom zoo dua ntawm pcb layout los ntawm kev tsom siab siab -cov khoom siv hluav taws xob nyob rau hauv cov cheeb tsam uas muaj cua sov zoo, thiab ua kom muaj pes tsawg tus thiab qhov ntom ntom ntawm cov cua kub dissipation qhov los txhim kho cov cua sov kom zoo. Los ntawm kev siv dav dav ntawm cov thev naus laus zis cua sov no, nws tau ua kom ntseeg tau tias cov nti kub ntawm AI server tseem nyob hauv qhov kev nyab xeeb nyob rau hauv lub sijhawm ntev - lub sijhawm ua haujlwm siab, ua kom muaj kev ruaj ntseg server.
Technological breakthrough nyob rau hauv siab -wiring ceev
Txhawm rau ua kom tau siab - xov hlau ceev, HDI thev naus laus zis tau dhau los ua qhov tseem ceeb. HDI ua tiav kev sib txuas hluav taws xob nruj dua ntawm cov txheej txheem sib txawv los ntawm kev tsim cov vias me me (micro qhov, qhov muag tsis pom kev, thiab qhov faus) nyob rau hauv txheej txheej ntawm pcb. Hauv qee qhov AI server motherboards uas xav tau qhov chaw siab heev, HDI thev naus laus zis nce kev sib txuas xov tooj ntau zaus ntau dua li cov ntawv luam tawm ib txwm muaj. Nyob rau tib lub sijhawm, ntau- txheej txheej luam ntawv Circuit Court boards tau tsim kho tas li, muab ntau qhov chaw rau kev teeb tsa hauv Circuit Court los ntawm kev ua kom cov txheej txheem ntau ntxiv, uas tuaj yeem ua kom haum rau ntau yam khoom thiab ntau qhov kev sib tw. Piv txwv li, pcb txheej ntawm qee cov AI servers tau tshaj 18 txheej, thiab txawm mus txog 32 txheej. Hauv ntau- txheej txheej luam tawm Circuits boards, tsim nyog kev npaj ntawm qhov teeb tsa ntawm lub zog, hauv av, thiab cov teeb liab txheej tau zoo txo cov electromagnetic cuam tshuam thiab teeb liab crosstalk, txhim kho cov teeb liab kev ncaj ncees, thiab ua tau raws li qhov siab -kev ua tau zoo ntawm AI servers.