Dab tsi ua PCB tsis ua hauj lwm?

Peb qhov laj thawj npog feem ntau ua tsis tiav:

Teeb meem PCB tsim

Yog vim li cas ib puag ncig

muaj hnub nyoog

Cov teeb meem tsim PCB suav nrog ntau yam teeb meem uas tuaj yeem tshwm sim thaum tsim thiab tsim cov txheej txheem, xws li:

Kev tso chaw tivthaiv – Nrhiav cov khoom tsis raug

Qhov chaw tsawg dhau ntawm lub nkoj ua rau muaj cua sov

Cov teeb meem zoo ib yam, xws li siv cov ntawv hlau thiab cov khoom cuav

Muaj cua sov ntau dhau, plua plav, ya raws thiab tso tawm hluav taws xob thaum lub sijhawm sib dhos tsuas yog qee yam ntawm ib puag ncig ib puag ncig uas tuaj yeem ua rau tsis ua haujlwm.

Nres nres kev cuam tshuam txog hnub nyoog yog qhov nyuaj dua thiab nqis los tiv thaiv kev saib xyuas ntau dua li kho. Tab sis yog tias ib feem tsis ua tiav, nws raug nqi ntau dua los hloov qhov qub nrog ib qho tshiab tsis yog ntuav tawm tag nrho lub rooj tsav xwm hauv Circuit.

Kuv yuav ua dab tsi thaum PCB tsis ua

PCB tsis ua hauj lwm. Nws yuav tshwm sim. Lub tswv yim zoo tshaj plaws yog kom zam kev sib tshooj ntawm txhua tus nqi.

Ua PCB tshuaj xyuas qhov ua txhaum tuaj yeem txheeb xyuas qhov teeb meem tseeb nrog PCB thiab pab tiv thaiv tib qho teeb meem los ntawm kev ua phem rau lwm cov laug cam tam sim no lossis cov laug cam yav tom ntej. Cov kev ntsuas no tuaj yeem tawg ua qhov kev ntsuas me me, suav nrog:

Kev tsom tsom me me

PCB weldability xeem

Kev kuaj kab mob PCB

Kho qhov muag/tsom iav SEM

X -ray xeem

Kev tsom xam me me

Txoj hauv kev no cuam tshuam nrog tshem tawm lub rooj tsav xwm hauv Circuit kom nthuav tawm thiab cais cov khoom thiab pab tshawb xyuas cov teeb meem cuam tshuam nrog:

Qhov tsis xws luag

Luv luv lossis luv

Reflow vuam ua rau kev ua tsis tiav

Thermal mechanical tsis ua haujlwm

Teeb meem cov khoom nyoos

Kev xeem weldability

Qhov kev ntsuas no yog siv los nrhiav teeb meem tshwm sim los ntawm oxidation thiab siv cov yeeb yaj kiab tsis raug. Qhov kev sim rov ua dua cov kab laug sab/cov khoom siv sib tham los ntsuas kev sib koom ua ke kom ntseeg tau. Nws muaj txiaj ntsig zoo rau:

Ntsuam xyuas cov kab laug sab thiab cov fluxes

Sib tw ua ke

Zoo tswj

Kev kuaj kab mob PCB

Qhov kev ntsuas no kuaj pom cov kab mob paug uas tuaj yeem ua rau kev puas tsuaj, xeb, metallization thiab lwm yam teeb meem hauv cov hlau lead sib txuas sib txuas.

Kho qhov muag tsom iav/SEM

Txoj kev no siv lub tshuab tsom me me txhawm rau txhawm rau txheeb xyuas cov teeb meem vuam thiab sib dhos.

Cov txheej txheem yog qhov tseeb thiab nrawm. Thaum xav tau lub tshuab tsom iav muaj zog ntau dua, kev siv lub tshuab hluav taws xob me me tuaj yeem siv tau. Nws muaj txog li 120,000X kev nthuav dav.

Xoo hluav taws xob kuaj

Cov thev naus laus zis muab txoj hauv kev uas tsis cuam tshuam txog kev siv zaj duab xis, lub sijhawm tiag tiag lossis 3D X-ray tshuab. Nws tuaj yeem pom qhov tam sim no lossis muaj qhov tsis xws uas cuam tshuam nrog cov khoom sab hauv, foob npog npog, txheej txheem ncaj ncees, thiab lwm yam.

Yuav ua li cas kom tsis txhob PCB tsis ua hauj lwm

Nws yog qhov zoo los ua PCB tshuaj xyuas qhov teeb meem thiab kho cov teeb meem PCB kom lawv tsis tshwm sim dua. Nws yuav zoo dua kom tsis txhob muaj kev sib tawg hauv thawj qhov chaw. Muaj ntau txoj hauv kev kom tsis txhob ua tsis tiav, suav nrog:

Txheej txheej

Cov txheej txheem txheej txheem yog ib txoj hauv kev tseem ceeb los tiv thaiv PCB los ntawm hmoov av, av thiab ya raws. Cov txheej txheej no los ntawm acrylic mus rau epoxy resins thiab tuaj yeem pleev xim rau ntau txoj hauv kev:

txhuam

tsuag

impregnated

Xaiv txheej

Kev sim ua ntej tso tawm

Ua ntej nws tau sib sau ua ke lossis tseem tshuav cov chaw tsim khoom, nws yuav tsum raug tshuaj xyuas kom ntseeg tau tias nws tsis ua haujlwm ib zaug nws yog ib feem ntawm cov cuab yeej loj dua. Kev xeem thaum sib dhos tuaj yeem ua ntau hom ntawv:

Hauv -kab kev xeem (ICT) txhawb lub rooj tsav xwm hauv Circuit kom qhib txhua txoj haujlwm. Tsuas yog siv qee qhov kev hloov kho khoom lag luam xav tau.

Kev ntsuas tus pin ya tsis tuaj yeem ua haujlwm rau lub rooj tsavxwm, tab sis nws pheej yig dua li ICT. Rau kev xaj loj dua, nws yuav raug nqi tsawg dua li ICT.

Kev tshuaj xyuas qhov khoos phis tawj thev naus laus zis tuaj yeem siv daim duab ntawm PCB thiab sib piv daim duab nrog cov duab qhia ntxaws ntxaws, kos rau ntawm lub rooj tsav xwm hauv Circuit Court uas tsis sib xws nrog daim duab qhia chaw.

Qhov kev ntsuam xyuas laus pom qhov ua tsis tiav thaum ntxov thiab teeb tsa lub peev xwm.

Xoo hluav taws xob kuaj siv rau kev kuaj ua ntej tso tawm yog tib yam li X-ray kuaj siv rau kev ntsuas ntsuas tsis ua tiav.

Kev ntsuam xyuas lub luag haujlwm txheeb xyuas tias pawg thawj coj yuav pib. Lwm qhov kev ntsuas ua haujlwm suav nrog lub sijhawm ntsuas kev ntsuas, ntsuas tev thiab ntsuas qhov ntsuas qhov ntsuas, nrog rau kev ntsuas qhov muag tau piav qhia yav dhau los, PCB kuaj kab mob sib kis thiab tsom tsom tsom iav.

Kev Pab Tom Qab Kev Muag Khoom (AMS)

Tom qab cov khoom tawm ntawm cov chaw tsim khoom, nws tsis yog qhov kawg ntawm cov chaw tsim khoom cov kev pabcuam. Ntau lub tuam txhab cog lus hluav taws xob zoo muab cov kev pabcuam tom qab muag los tshuaj xyuas thiab kho lawv cov khoom, txawm tias lawv tsis tau tsim ua ntej. AMS pab hauv ntau thaj chaw tseem ceeb, suav nrog:

Ntxuav, kuaj thiab tshuaj xyuas kom tiv thaiv cov khoom raug mob thiab ua tsis tiav

Cheeb tsam-teeb meem daws teeb meem rau cov khoom siv hluav taws xob mus rau qib-tivthaiv

Rov ua dua tshiab, kho dua tshiab thiab kho kom rov kho dua qub cov tshuab, rov tsim cov khoom tshwj xeeb, muab cov kev pabcuam hauv cheeb tsam thiab hloov kho thiab kho cov khoom lag luam software.

Kev tshuaj xyuas cov ntaub ntawv txhawm rau kawm keeb kwm kev pabcuam lossis cov ntawv txheeb xyuas tsis ua tiav los txiav txim siab cov kauj ruam tom ntej

Kev tswj hwm qub

Kev tswj tsis pub dhau hnub nyoog yog ib feem ntawm AMS thiab muaj kev txhawj xeeb txog kev tiv thaiv kev tsis sib xws thiab kev cuam tshuam txog hnub nyoog.

Txhawm rau kom ntseeg tau tias koj cov khoom muaj lub voj voog lub neej ntev tshaj plaws, cov kws tshaj lij kev tswj hwm dhau los yuav ua kom ntseeg tau tias cov khoom zoo tau muab thiab cov kev cai lij choj ntxhia raug ua raws.

Tsis tas li, txiav txim siab hloov daim npav hluav taws xob hauv PCB txhua X xyoo lossis rov qab X zaug. Koj qhov kev pabcuam AMS yuav tuaj yeem teeb tsa lub sijhawm hloov pauv kom ntseeg tau tias kev ua haujlwm ntawm cov khoom siv hluav taws xob zoo. Nws zoo dua los hloov qhov feem ntau tos kom lawv tawg!

Koj yuav txiav txim siab qhov kev xeem raug li cas

Yog tias koj tus PCB tsis ua tiav, tam sim no koj paub yuav ua dab tsi ntxiv thiab yuav tiv thaiv nws li cas. Txawm li cas los xij, yog tias koj xav txo qhov kev pheej hmoo ntawm PCB tsis ua haujlwm, ua haujlwm nrog cov chaw tsim khoom siv hluav taws xob zoo nrog kev paub dhau los hauv kev sim thiab AMS.