Automotive HDI PCB Classification thiab Application

Txoj kev loj hlob sai ntawm kev lag luam hluav taws xob tau txhawb txoj kev loj hlob sai ntawm ntau qhov kev lag luam. Nyob rau hauv xyoo tas los no, cov khoom siv hluav taws xob tau dhau los siv ntau dua hauv kev lag luam tsheb. Kev lag luam tsheb ib txwm muaj kev siv zog ntau dua hauv kev siv tshuab, lub zog, hydraulics thiab kis tau tus mob. Txawm li cas los xij, kev lag luam tsheb niaj hnub no vam khom ntau dua ntawm cov ntawv siv hluav taws xob uas ua lub luag haujlwm tseem ceeb thiab muaj peev xwm hauv tsheb. Kev siv hluav taws xob tsis siv neeg yog txhua yam hais txog kev ua, kev paub, cov ntaub ntawv hloov chaw thiab kaw, ib yam dab tsi uas lub rooj tsav xwm luam tawm (PCB) tsis tuaj yeem ua tiav. Vim yog cov kev xav tau ntawm lub tsheb niaj hnub thiab digitization, nrog rau cov neeg xav tau kev nyab xeeb ntawm lub tsheb, kev nplij siab, kev ua haujlwm yooj yim thiab digitization, PCBs tau siv dav hauv kev lag luam tsheb, los ntawm cov txheej txheem ib leeg-txheej PCBs, ob-txheej PCBs mus rau ntau txoj kev. - Txheej PCBs. Txheej PCB los yog High Density Interconnect (HDI) PCB, tejzaum nws nrog cross-layer blind vias los yog dual tsim txheej.

Txhawm rau kom ua tiav kev ntseeg siab thiab kev nyab xeeb ntawm tsheb HDI PCBs, cov cai nruj thiab ntsuas yuav tsum tau ua raws li HDI PCB cov tuam txhab, uas yuav yog qhov tseem ceeb ntawm tsab xov xwm no.

Automotive PCB Hom

Nyob rau hauv automotive circuit boards, ib txwm ib-txheej PCB, ob-txheej PCB thiab ntau-txheej PCB muaj, thaum lub dav daim ntawv thov ntawm HDI PCB nyob rau hauv xyoo tas los no tau dhau los ua thawj xaiv rau automotive electronic khoom. Muaj qhov sib txawv tseem ceeb ntawm HDI PCBs zoo tib yam thiab automotive HDI PCBs: yav dhau los hais txog kev ua tau zoo thiab kev ua haujlwm ntau, ua haujlwm rau cov neeg siv khoom siv hluav taws xob, thaum kawg siv zog rau kev ntseeg siab, kev nyab xeeb, thiab kev ua haujlwm siab.

Nws yog ib qho tsim nyog yuav tsum tau hais tias vim tias lub tsheb npog ntau qhov kev faib tawm ntawm cov tsheb xws li tsheb, tsheb thauj khoom lossis cov tsheb thauj khoom uas xav tau cov kev xav tau sib txawv rau cov kev cia siab thiab kev ua haujlwm sib txawv, cov kev cai thiab kev ntsuas uas yuav tau tham hauv tsab xov xwm no tsuas yog qee qhov kev siv dav dav tshaj. cov xwm txheej tshwj xeeb no. txoj cai.

Automotive HDI PCB Classification thiab Application

HDI PCBs tuaj yeem muab faib ua ib txheej HDI PCBs, ob txheej txheej tsim-up PCBs thiab triple-txheej tsim-up PCBs. Ntawm no, txheej yog hais txog txheej prepreg.

Automotive electronics feem ntau muab faib ua ob pawg:

a. Automotive electronic controls tsis tuaj yeem ua haujlwm tau zoo kom txog thaum lawv koom tes nrog cov tshuab tshuab hauv lub tsheb (xws li lub cav, chassis thiab lub tsheb digital tswj), tshwj xeeb tshaj yog cov tshuab hluav taws xob hluav taws xob, cov tshuab tiv thaiv kev kaw lus (ABS), tiv thaiv kev sib tsoo (ASC) ), Traction Control, Electronically Controlled Suspension (ECS), Electronic Automatic Transmission (EAT) thiab Electronic Power Steering (EPS).

b. Cov khoom siv tsheb hauv tsheb uas tuaj yeem siv nws tus kheej hauv ib puag ncig hauv tsheb thiab tsis muaj dab tsi cuam tshuam nrog kev ua haujlwm ntawm tsheb muaj xws li tsheb cov ntaub ntawv xov xwm lossis cov khoos phis tawj hauv tsheb, GPS systems, automotive video systems, hauv tsheb sib txuas lus, thiab Internet. Cov haujlwm no yog siv los ntawm cov khoom siv txhawb nqa los ntawm HDI PCB, lub luag haujlwm rau kev xa cov teeb liab thiab ntau yam kev tswj hwm.

Yuav tsum tau rau Automotive HDI PCB Manufacturers

Vim muaj kev ntseeg siab thiab kev nyab xeeb ntawm automotive HDI PCBs, automotive HDI PCB manufacturers yuav tsum ua tau raws li cov kev cai siab:

a. Automotive HDI PCB cov tuam txhab yuav tsum ua raws li kev tswj hwm kev tswj hwm thiab kev tswj xyuas zoo uas ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab lossis txhawb nqa qib kev tswj hwm ntawm PCB cov tuam txhab. Qee lub tshuab tsis tuaj yeem yog tus tswv los ntawm PCB cov chaw tsim khoom kom txog rau thaum pom los ntawm cov ntawv pov thawj thib peb. Piv txwv li, automotive PCB manufacturers yuav tsum tau ISO9001 thiab ISO/TS16949 ntawv pov thawj.

b. HDI PCB manufacturers yuav tsum tau nruab nrog cov khoom siv technology thiab siab HDI manufacturing peev xwm. Tshwj xeeb, cov tuam txhab lag luam tshwj xeeb hauv kev tsim hluav taws xob hluav taws xob hluav taws xob yuav tsum ua cov laug cam nrog ib kab / qhov chaw tsawg kawg 75μm / 75μm thiab ob-stacked. Nws feem ntau lees txais tias HDI PCB cov tuam txhab yuav tsum muaj Cov Txheej Txheem Peev Xwm Txheej Txheem (CPK) tsawg kawg yog 1.33 thiab Cov Khoom Siv Muaj Peev Xwm (CMK) tsawg kawg yog 1.67. Kev hloov kho hauv kev tsim khoom yav tom ntej yuav tsis tso cai tshwj tsis yog tias pom zoo thiab lees paub los ntawm cov neeg siv khoom.

c. Automotive HDI PCB cov tuam txhab yuav tsum ua raws li cov cai nruj tshaj plaws rau kev xaiv cov khoom siv PCB, vim lawv ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog kev ntseeg siab thiab kev ua tau zoo ntawm PCB kawg.

Cov ntaub ntawv xav tau rau Automotive HDI PCB

• Core board thiab prepreg. Lawv yog cov tseem ceeb tshaj plaws thiab tseem ceeb tshaj plaws rau kev ua automotive HDI PCBs. Lub rooj tsavxwm tseem ceeb thiab prepreg yog qhov kev txiav txim siab tseem ceeb thaum nws los txog rau cov khoom siv raw rau HDI PCBs. Feem ntau, ob qho tib si HDI core board thiab cov txheej txheem dielectric yog qhov nyias nyias. Yog li ntawd, ib txheej ntawm prepreg yog txaus rau cov neeg siv khoom HDI boards. Txawm li cas los xij, automotive HDI PCBs yuav tsum tau tso siab rau ntawm qhov lamination tsawg kawg yog ob txheej ntawm prepreg, vim tias ib txheej ntawm prepreg tuaj yeem ua rau qis qis qis dua thaum muaj kab noj hniav lossis cov nplaum tsis txaus. Tom qab ntawd, qhov kawg tshwm sim tuaj yeem yog qhov ua tsis tiav ntawm tag nrho pawg thawj coj lossis cov khoom lag luam.

• Vuam daim npog qhov ncauj. Lub npog ntsej muag tseem ua lub luag haujlwm tseem ceeb sib npaug li lub rooj tsav xwm tseem ceeb thiab prepreg raws li cov txheej txheem tiv thaiv ncaj qha rau saum npoo Circuit Court boards. Dhau li ntawm kev tiv thaiv sab nraud circuits, solder mask kuj plays lub luag haujlwm tseem ceeb hauv cov khoom muag, zoo thiab kev ntseeg tau. Yog li ntawd, lub qhov ncauj qhov ntswg ntawm lub rooj tsavxwm rau lub tsheb yuav tsum ua tau raws li qhov yuav tsum tau ua kom nruj tshaj plaws. Lub qhov ncauj qhov ntswg yuav tsum xeem dhau ntau qhov kev ntsuam xyuas rau kev ntseeg tau, suav nrog kev ntsuas thermal cia thiab kuaj lub zog tev.

Kev ntseeg siab ntawm cov khoom siv hauv tsheb HDI PCB

Tsim nyog HDI PCB tuam txhab lag luam yeej tsis xaiv cov khoom siv rau kev tso cai. Hloov chaw, lawv yuav tsum ua qee qhov kev sim ntawm pawg thawj coj saib kev ntseeg tau. Cov kev ntsuam xyuas tseem ceeb ntawm kev ntseeg siab ntawm automotive HDI PCB cov ntaub ntawv suav nrog CAF (Conductive Anode Wire), kev ntsuas kub thiab tsis kub thermal shock, huab cua kub mus kuaj thiab ntsuas thermal cia.

• CAF test. Nws yog siv los ntsuas qhov rwb thaiv tsev ntawm ob lub conductors. Qhov kev ntsuam xyuas no suav nrog ntau qhov kev sim ntsuas xws li qhov ntsuas qhov tsawg kawg nkaus ntawm cov khaubncaws sab nraud povtseg, yam tsawg kawg nkaus kev tiv thaiv ntawm vias, yam tsawg kawg nkaus rwb thaiv tsev tiv thaiv ntawm faus vias, yam tsawg kawg nkaus rwb thaiv tsev ntawm qhov muag tsis pom vias thiab yam tsawg kawg nkaus rwb thaiv tsev ntawm cov kab sib txuas.

• Kev ntsuas kub thiab qis thermal shock. Qhov kev sim no yog tsim los ntsuas qhov kev hloov pauv hloov uas yuav tsum tsawg dua li ib feem pua. Tshwj xeeb, cov tsis tau hais hauv qhov kev sim no suav nrog qhov hloov pauv hloov pauv ntawm vias, qhov hloov pauv hloov pauv ntawm faus vias thiab qhov hloov pauv hloov pauv ntawm qhov muag tsis pom vias.

• Huab cua kub ntsuas lub voj voog. Lub rooj tsavxwm yuav tsum tau kuaj yuav tsum tau preconditioned ua ntej reflow soldering. Lub rooj tsavxwm yuav tsum tau khaws cia ntawm qhov tsawg kawg nkaus thiab siab tshaj plaws rau 15 feeb nyob rau hauv qhov kub ntawm -40 degree ± 3 degree rau 140 degree ± 2 degree. Yog li ntawd, tsis muaj lamination, pob dawb, los yog tawg yuav tshwm sim ntawm cov khoom tsim nyog.

• Kev ntsuas kub cia. Qhov kev sim no tsuas yog siv rau kev ntseeg siab ntawm lub npog ntsej muag, tshwj xeeb tshaj yog nws lub zog tev. Hais txog kev txiav txim siab ntawm daim npog ntsej muag, qhov kev sim no tuaj yeem suav tias yog qhov nruj tshaj plaws.

Raws li qhov yuav tsum tau ua ntawm cov kev sim saum toj no, yog tias cov khoom siv substrate lossis cov khoom siv raw tsis tuaj yeem ua tau raws li qhov xav tau ntawm cov neeg siv khoom, qee qhov kev pheej hmoo yuav tshwm sim. Yog li ntawd, seb puas los yog tsis yog ib qho khoom raug kuaj tuaj yeem yog qhov tseem ceeb hauv kev txiav txim siab tsim nyog HDI PCB chaw tsim khoom.

Muaj ntau lub tswv yim thiab kev ntsuas uas tuaj yeem siv los txiav txim rau lub tsheb HDI PCB cov chaw tsim khoom, suav nrog cov ntaub ntawv pov thawj ntawm cov khoom siv, cov txheej txheem tshwj xeeb thiab kev txiav txim siab tsis zoo, thiab kev siv cov khoom siv, thiab lwm yam. Nrhiav cov chaw tsim khoom HDI PCB uas tuaj yeem yog qhov tseem ceeb. nyob rau hauv kev txiav txim thiab txiav txim lawv kev ntseeg tau.