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10 Txheej ENIG FR4 Ntawm Hauv Pad PCB

10 Txheej ENIG FR4 Ntawm Hauv Pad PCB

Lus piav qhia luv luv:

Txheej: 10
Nto tiav: ENIG
Khoom siv: FR4 Tg170
Sab nrauv W/S: 10/7.5mil
Sab hauv W / S: 3.5 / 7mil
Board thickness: 2.0 hli
Min.qhov taub: 0.15mm
Plug qhov: ntawm filling plating


Product Detail

Hauv Pad PCB

Hauv PCB tsim, ib lub qhov los ntawm lub qhov yog ib lub qhov nrog lub qhov me me hauv lub rooj tsavxwm luam tawm los txuas cov tooj liab ntawm txhua txheej ntawm lub rooj tsavxwm.Muaj ib hom ntawm lub qhov hu ua microhole, uas tsuas muaj qhov pom qhov muag tsis pom hauv ib qho chaw ntawm ib qho chaw.high-density multilayer PCBlos yog ib qho uas pom tsis tau faus qhov nyob rau hauv ob qhov chaw.Kev taw qhia thiab kev siv dav dav ntawm cov khoom siv pins siab, nrog rau qhov xav tau ntawm PCBS me me, tau coj cov kev cov nyom tshiab.Yog li ntawd, txoj kev daws teeb meem zoo dua rau qhov kev sib tw no yog siv qhov tseeb tab sis nrov PCB tsim tshuab hu ua "Via in Pad".

Hauv kev tsim PCB tam sim no, kev siv ceev ceev ntawm hauv ncoo yog xav tau vim qhov kev ncua deb ntawm cov hneev taw thiab qhov miniaturization ntawm PCB zoo coefficients.Qhov tseem ceeb tshaj, nws ua rau cov teeb liab routing nyob rau hauv ob peb cheeb tsam ntawm PCB layout li ua tau thiab, nyob rau hauv feem ntau, txawm tsis txhob bypassing lub perimeter nyob rau hauv lub ntaus ntawv.

Pass-through pads yog qhov muaj txiaj ntsig zoo hauv kev tsim kev kub ceev vim tias lawv txo qhov ntev thiab qhov inductance.Koj yuav tsum xyuas kom pom tias koj lub PCB cov chaw tsim khoom muaj cov khoom siv txaus los ua koj lub rooj tsavxwm, vim qhov no yuav raug nqi ntau dua.Txawm li cas los xij, yog tias koj tsis tuaj yeem tso lub gasket, tso ncaj qha thiab siv ntau tshaj ib qho los txo qhov inductance.

Tsis tas li ntawd, cov ntaub ntawv hla kuj tseem siv tau rau qhov chaw tsis txaus, xws li hauv micro-BGA tsim, uas tsis tuaj yeem siv cov txheej txheem kiv cua tawm.Tsis muaj qhov tsis ntseeg tias qhov tsis xws luag ntawm qhov los ntawm qhov hauv qhov vuam disc yog me me, vim tias daim ntawv thov hauv vuam disc, qhov cuam tshuam rau tus nqi zoo heev.Qhov nyuaj ntawm kev tsim cov txheej txheem thiab tus nqi ntawm cov ntaub ntawv yooj yim yog ob yam tseem ceeb uas cuam tshuam rau cov nqi tsim khoom ntawm cov khoom siv hluav taws xob.Ua ntej, Via hauv Pad yog ib kauj ruam ntxiv hauv kev tsim khoom PCB.Txawm li cas los xij, raws li tus naj npawb ntawm cov khaubncaws sab nraud povtseg, yog li ua cov nqi ntxiv nrog Via hauv Pad technology.

Qhov zoo ntawm Via Hauv Pad PCB

Via hauv ncoo PCBs muaj ntau yam zoo.Ua ntej, nws pab txhawb kev ceev ceev, kev siv cov pob qhov sib txawv, thiab txo qhov inductance.Dab tsi ntxiv, nyob rau hauv tus txheej txheem ntawm ntawm hauv ncoo, ib qho ntawm ncaj qha muab tso rau hauv qab ntawm cov ntaub so ntswg ntawm lub cuab yeej, uas tuaj yeem ua tiav ntau dua qhov ceev thiab kev ua haujlwm zoo dua.Yog li nws tuaj yeem txuag tau ntau qhov chaw PCB nrog ntawm hauv ncoo rau PCB tus tsim.

Piv nrog rau qhov muag tsis pom vias thiab faus vias, ntawm hauv ncoo muaj qhov zoo hauv qab no:

Haum rau kev nthuav dav dav BGA;
Txhim kho PCB ceev, txuag chaw;
Ua kom kub dissipation;
Ib lub tiaj tiaj thiab coplanar nrog cov khoom siv sib txuas;
Vim tias tsis muaj kab ntawm cov pob txha dev, inductance qis dua;
Ua kom lub zog muaj peev xwm ntawm qhov chaw nres nkoj channel;

Ntawm Hauv Daim Ntawv Thov Rau SMD

1. Txuas lub qhov nrog resin thiab phaj nrog tooj liab

Tau tshaj me me BGA VIA hauv ncoo;Ua ntej, cov txheej txheem suav nrog kev sau cov qhov nrog cov khoom siv hluav taws xob lossis cov khoom siv tsis zoo, thiab tom qab ntawd plating lub qhov ntawm qhov chaw los muab qhov chaw du rau qhov chaw weldable.

Lub qhov hlais yog siv rau hauv lub ncoo tsim los mount cov khoom ntawm lub qhov dhau los lossis kom txuas cov pob qij txha mus rau qhov kev sib txuas ntawm qhov hla.

2. Cov microholes thiab qhov yog plated ntawm lub ncoo

Microholes yog IPC raws li qhov nrog lub cheeb ntawm tsawg dua 0.15mm.Nws tuaj yeem yog ib qho los ntawm qhov (txog rau qhov sib piv), txawm li cas los xij, feem ntau lub microhole yog kho raws li qhov tsis pom kev ntawm ob txheej;Feem ntau ntawm cov microholes yog drilled nrog lasers, tab sis qee cov PCB manufacturers kuj drilling nrog txhua yam khoom, uas yog qeeb dua tab sis txiav kom zoo nkauj thiab huv si;Microvia Cooper Fill txheej txheem yog txheej txheem electrochemical deposition rau multilayer PCB manufacturing txheej txheem, tseem hu ua Capped VIas;Txawm hais tias cov txheej txheem nyuaj, nws tuaj yeem ua rau HDI PCBS uas feem ntau PCB cov tuam txhab yuav tau ntim nrog microporous tooj liab.

3. Thaiv lub qhov nrog vuam tsis kam txheej

Nws yog dawb thiab sib xws nrog loj solder SMD pads;Tus txheej txheem LPI tsis kam vuam txheej txheem tsis tuaj yeem tsim ib lub qhov puv tsis muaj kev pheej hmoo ntawm tooj liab liab hauv lub qhov chim.Feem ntau, nws tuaj yeem siv tom qab luam ntawv thib ob los ntawm kev tso nyiaj UV lossis kub-kho epoxy solder resistances rau hauv lub qhov kom ntsaws lawv;Nws yog hu ua los ntawm kev thaiv.Los ntawm lub qhov ntsaws yog qhov thaiv ntawm lub qhov nrog cov khoom siv tiv thaiv kom tsis txhob muaj cua nkag thaum kuaj lub phaj, lossis tiv thaiv luv luv ntawm cov khoom nyob ze ntawm lub phaj.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb