PTFE Emulsion: Cov Tub Ntxhais Raw Khoom rau Tom ntej-Gen AI Server Siab-Speed ​​PCB

Ntiaj teb no AI xam infrastructure tab tom hloov kho qhov bandwidth tsis tau muaj dua. Cov ntaub ntawv kis tau tus mob ceev ntawm GPUs, orthogonal backplanes, thiab optical modules tau nce nrawm heev los ntawm 112Gbps rau 224Gbps, nrog 448Gbps PAM4 interfaces dhau los ua tus qauv rau Rubin Ultra thiab GB300 AI server platforms. Ib txwm siv hydrocarbon resin (M8 / M9) thiab FR-4 PCB substrates cuam tshuam lub cev tsis muaj zog ntawm cov zaus siab tshaj 30GHz, ua rau muaj teeb meem loj heev attenuation, jitter, thiab thermal drift uas degrade AI pawg stability.

Polytetrafluoroethylene (PTFE)muab kev lag luam- ua thawj coj ultra- tsis tshua muaj dielectric tas li (Dk 2.0–2.1) thiab dissipation factor (Df 0.0001–0.0005), ua rau nws tsuas yog cov khoom siv hluav taws xob ua lag luam ua tau raws li Nvidia M10 ultra- cov khoom siv tsawg tsawg. Thaum ntau tus neeg yuav khoom tsis meej pem PTFE hmoov thiab PTFE emulsion rau PCB kev tsim khoom, hluav taws xob -qib PTFE aqueous dispersion (PTFE emulsion) sawv ua cov khoom lag luam tseem ceeb rau kev tsim khoom loj ntawm AI server siab -ceev tooj liab clad laminates (CCF) thiab prepregs, suav txog 8% ntawm cov khoom siv raw khoom. siab- zaus electronics sector.

PTFE emulsion yog ib qho stabilized aqueous ncua kev kawm ntawv ntawm nano -sized PTFE hais (100–500nm) nrog cov ntsiab lus ntawm 40% mus rau 60%, engineered tshwj xeeb rau kev nruam fiberglass daim ntaub impregnation kab - cov txheej txheem mainstream rau multi{gplane manufacturing. Qhuav PTFE hmoov cia siab rau kev sib xyaw qhuav thiab compression molding, uas tsis tuaj yeem txhawb nqa loj - nplai, txheej txheej ntawm ultra- nyias 106/1080 hluav taws xob iav los yog quartz daim ntaub, tsim kom tsis txhob muaj huab hwm coj ntau- cov fwj ntau lawm rau siab -ceev AI PCBs.

Qhov tseem ceeb tshaj plaws, PTFE emulsion enables homogeneous dielectric txheej faib. Thaum sib xyaw nrog nano ceramic fillers (SiO₂, BN) thiab viscosity modifiers, cov kua dispersion tau nkag mus rau txhua qhov filament ntawm woven fiberglass thaum dip impregnation. Tom qab theem ci thiab siab -kub sintering, nws ua ib qho tsis muaj dab tsi- pub dawb txuas ntxiv PTFE matrix xauv rau iav fibers. Cov qauv zoo li no ua kom muaj txiaj ntsig Dk / Df zoo ib yam thoob plaws cov ntawv prepreg, tshem tawm cov teeb meem tsis sib haum xeeb uas ua rau lub qhov muag kaw thiab xa cov teeb meem ntawm 40-80 txheej AI orthogonal backplanes.

Ib qho kev xav tsis zoo hauv kev lag luam siab -PCB zaus yog tias PTFE hmoov thiab PTFE emulsion hloov pauv tau rau AI server substrate ntau lawm. Qhov tseeb, lawv daim ntawv thov scenarios, ntau lawm efficiency, thiab zaum kawg board kev ua tau zoo sib txawv heev, txhais lawv lub luag hauj lwm tshwj xeeb hauv AI hardware mov saw.

PTFE emulsion ua lub luag haujlwm tseem ceeb rau cov khoom loj - tsim M10 ultra- tsis tshua muaj prepreg thiab tooj liab clad laminates. Nws txhawb nqa txuas txuas ntxiv - mus rau - yob kev tsim khoom, uas tau txais los ntawm sab saum toj -tier CCL cov tuam txhab rau kev tsim khoom 24/7. Cov khoom thauj khoom uas tswj tau (300–400g / m²) muab cov tuab prepreg zoo ib yam, cov ntsiab lus tseem ceeb rau ntau yam -txheej txheej-nce tsim nyob rau hauv siab - ceev GPU interconnect substrates. Tsis tas li ntawd, emulsion-raws li cov laminates ua tau zoo daws cov PTFE qhov tsis xws luag, suav nrog cov thermal expansion, tsis zoo tooj liab foil adhesion, thiab kev ntxhib los mos, zoo heev txhim kho PCB qhov ruaj khov thaum rov qab siab dua -kub reflow cycles.

Hauv qhov sib piv, qhuav PTFE hmoov zoo yog txwv rau me me -batch, compression-cov ntawv dielectric molded, feem ntau yog siv rau tub rog radar thiab niche millimeter-wave li, es tsis yog mainstream AI server PCBs. Qhuav hmoov blending yooj yim ua rau muab tub lim agglomeration thiab micro huab cua hnab ris, ua rau tsis ruaj tsis khov dielectric kev ua tau zoo uas tsis tuaj yeem ua tau raws li 224G / 448Gbps siab- cov qauv kev sib kis ceev. Nws tsuas yog siv los ua ib qho kev pabcuam ntxiv hauv cov qauv emulsion los txhim kho zaj duab xis compactness, tsis yog lub ntsiab raw khoom rau loj AI PCB ntau lawm.

Tiv tauj peb kom paub ntau ntxiv PTFE

Nkag siab txog kev lag luam ua haujlwm ntawm PTFE emulsion-raws li prepreg ntau lawm pab kho vajtse engineers thiab procurement specialists paub lub cim tus nqi ntawm hluav taws xob-qib PTFE aqueous dispersion nyob rau hauv AI server PCB manufacturing. Cov txheej txheem loj- cov txheej txheem tsim khoom nruj me ntsis ua raws li M10 cov khoom tshwj xeeb:

 Qhov thib ib yog formulation mixing. High-purity, PFOA-dawb qib hluav taws xob PTFE emulsion yog compounded nrog nto- hloov ceramic fillers, eco-phooj ywg surfactants, thiab dej-raws li thickeners los kho viscosity thiab precisely tune Dk / Df tsis 4 pss, piv rau qhov yuav tsum tau muaj {8 ps siab -ceev backplanes.

 Qhov thib ob yog fiberglass impregnation. Ultra- cov ntaub iav hluav taws xob nyias nyias tau ntim rau hauv PTFE dispersion dip tank, ua tiav cov khoom sib xws thiab tswj kev nqus ntawm PTFE cov kua ua kua, uas ua rau lub hauv paus rau kev ua haujlwm zoo ib yam ntawm cov substrate kawg.

 Qhov thib peb yog segmented thermal sintering. Multi-zone industrial ovens sequentially evaporate residual water, remove low-molecular additives, and fuse PTFE nanoparticles into a dense, continuous dielectric film tightly bonded to glass fibers, forming qualified semi-cured prepreg sheets.

 Cov kauj ruam kawg yog lub tshuab nqus tsev siab -kub lamination thiab PCB fabrication. Ntau cov txheej prepreg yog stacked nrog dov tooj liab ntawv ci thiab nias nyob rau hauv 370℃lub tshuab nqus tsev tej yam kev mob los tsim tiav PTFE CCL panels. Cov vaj huam sib luag no tau ua tiav los ntawm ntau- txheej txheej lamination, laser micro-drilling, thiab circuit patterning los tsim high-PCBs ceev rau AI server backplanes thiab GPU kev sib txuas tshuab.

Kev siv dav dav ntawm PTFE emulsion rau AI server PCB cov ntaub ntawv yog los ntawm nws cov hluav taws xob tsis sib xws thiab kev ua haujlwm ntev - kev ntseeg tau, uas cov tsoos FR-4 thiab M8 / M9 hydrocarbon resin substrates tsis tuaj yeem rov ua dua.

 Ua ntej, nws muab ultra- ruaj khov qis Dk/Df hla tag nrho GHz spectrum. Emulsion-sintered PTFE composite tuav ib tug ruaj khov dielectric tas li (Dk=2.0-2.1) thiab ultra-tsawg dissipation yam (Df < 0.0007) los ntawm 1GHz mus rau 100GHz, nrog yuav luag tsis muaj kev ua tau zoo drift nyob rau hauv ntev -lub sij hawm 111}degree servers. Piv nrog M9 resin (Df ≈ 0.0015), nws txiav siab-frequency signal attenuation los ntawm ntau tshaj 50%, txo cov teeb liab jitter thiab kis tsis raug rau 224G/448Gbps SerDes raws.

 Qhov thib ob, nws nta ze rau - xoom noo noo nqus. Lub sintered PTFE zaj duab xis muaj qhov nqus dej tsawg dua 0.01%, zam qhov kev ua haujlwm ntawm dielectric degradation los ntawm cov av noo nyob rau hauv ib puag ncig cov neeg rau zaub mov kaw, kom ntseeg tau ntev - lub sij hawm ruaj khov teeb liab kis ntawm AI pawg kho vajtse.

 Thib peb, nws muab superior thermal endurance. Nrog rau kev khiav hauj lwm kub mus txog 260 degree, lub emulsion -raws li PTFE substrate withstands ntau cov hlau lead-dawb reflow soldering cycles tsis softening, warpage, los yog txheej delamination, ua tau raws li qhov siab - kev ntseeg siab ntawm siab -power AI server motherboards thiab backplanes.

Tsis tas li ntawd, cov qauv ntawm PTFE emulsion tuaj yeem hloov kho tau yooj yim los hloov kho substrate CTE thiab dielectric zog, txhawb kev tsim khoom rau peb cov tub ntxhais AI PCB scenarios: orthogonal siab-ceev backplanes, GPU interconnect carrier boards, thiab 1.6T / 3.2T optical module substrates

Kev loj hlob thoob ntiaj teb hauv AI cov ntaub ntawv chaw tsim kho tau ua rau muaj kev loj hlob loj heev hauv kev thov rau ultra- tsis tshua muaj PCB substrates, ua hluav taws xob-qib PTFE emulsion yog ib qho ceev tshaj plaws - loj hlob fluorochemical raw cov ntaub ntawv nyob rau hauv siab -frequency electronics kev lag luam. Kev lag luam kev kwv yees qhia tau hais tias lub ntiaj teb no PTFE dispersion kev ua lag luam rau siab - zaus CCL yuav muaj kev loj hlob sai mus txog 2030, tag nrho tsav los ntawm iteration ntawm 224G / 448Gbps AI server interconnection technology.

Ua ntej huab xam OEMs thiab cov chaw tsim khoom kho vajtse tau txais tag nrho Nvidia M10 ultra- cov qauv khoom poob qis, hloov tag nrho cov khoom siv siab - poob resin cov ntaub ntawv hauv cov tub ntxhais siab - ceev teeb liab txheej. Rau cov kws tshaj lij fluorochemical lwm tus neeg, PTFE emulsion yog cov tub ntxhais siab - ntim khoom rau kev pabcuam CCL cov tuam txhab loj, thaum PTFE micro hmoov tsuas yog ua haujlwm pab txhawb cov khoom siv thiab cov khoom siv tub rog substrate raw khoom.

Raws li AI pawg txuas ntxiv txhim kho bandwidth thiab nthuav dav kev xa tawm, kev lag luam xav tau siab -purity, qis-hlau- ion, PFOA- dawb PTFE emulsion yuav nce ntxiv, nqa lub sijhawm ntev - kev txiav txim siab ruaj khov rau cov neeg muag khoom tsim nyog hauv cov khoom lag luam.

Kev hloov kho ntawm AI neeg rau zaub mov sib cuam tshuam los ntawm 112Gbps mus rau 224Gbps thiab 448Gbps tau tawg tag nrho cov kev txwv ntawm cov tsoos siab - ceev PCB substrates. Raws li tsuas yog pawg -cov khoom siv raw rau M10 ultra- tsis tshua muaj prepreg thiab tooj liab clad laminates, hluav taws xob-qib PTFE aqueous emulsion tau dhau los ua cov khoom tseem ceeb uas tsis tuaj yeem hloov pauv rau tom ntej - tiam AI server siab -ceev PCBs thiab sib cuam tshuam.

Sib txawv ntawm PTFE hmoov uas yog txwv rau me me -batch tshwj xeeb scenarios, PTFE emulsion txhawb loj -scale, nruam, thiab standardized industrial ntau lawm, nrog uniform dielectric kev ua tau zoo, zoo thermal stability, thiab customizable formula zoo. Rau PCB thiab CCL cov tuam txhab nrhiav siab - kev ntseeg siab ultra- siab- ceev cov teeb liab kis tau tus mob, siab - zoo PTFE emulsion tau dhau los ua tus qauv teeb tsa rau tshiab - tiam AI xam cov khoom siv hluav taws xob substrate.

Nrog rau kev nthuav dav ntxiv ntawm thoob ntiaj teb AI suav cov txheej txheem, PTFE emulsion yuav nkag mus rau qhov siab - zaus PCB kev lag luam, dhau los ua qhov tseem ceeb ntxiv rau cov khoom siv fluorochemical hauv kev lag luam hluav taws xob.

Ib qho - nres siab - purity fluorochemicals los ua lub zog rau koj cov saw hlau tsim khoom AI tag nrho.

Peb muab ib qho - nres fluorochemical cov kev daws teeb meem rau AI kev lag luam: hluav taws xob- qib PTFE emulsion rau siab -ceev AI server PCBs, PFPE txias kua rau cov ntaub ntawv chaw thermal tswj, thiab hluav taws xob- qib hydrofluoric acid rau precision AI tivthaiv tu.

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