Hauv cov ntawv blog no, peb yuav tshawb txog qee qhov kev tsim qauv sib tw uas tau ntsib thaum ua haujlwm nrog cov PCB nruj-flex thiab sib tham txog cov tswv yim zoo rau kev kov yeej cov teeb meem no.
Flexible printed circuit boards (PCBs) tau hloov pauv kev lag luam hluav taws xob los ntawm kev tsim kom yooj yim, txuag chaw thiab txhim khu kev ruaj ntseg. Cov rigid-flex PCBs muaj qhov zoo dua qub thaum ua ke nrog cov chaw nruj ntawm tib lub rooj tsavxwm. Txawm li cas los xij, siv rigid-flex PCBs kuj tuaj nrog nws tus kheej cov teeb meem tsim.
1. Khoov thiab deflection yuav tsum:
Ib qho ntawm cov teeb meem loj hauv kev tsim cov rigid-flex PCBs yog ua kom ntseeg tau tias qhov hloov tau yooj yim tuaj yeem tiv taus rov qab khoov thiab khoov yam tsis muaj kev cuam tshuam rau nws txoj haujlwm. Yuav kom ua tau raws li qhov kev sib tw no, cov neeg tsim qauv yuav tsum xaiv cov ntaub ntawv tsim nyog, xws li polyimide, uas muaj lub zog khoov zoo heev thiab tuaj yeem tiv taus cov neeg kho tshuab hnyav. Tsis tas li ntawd, kev sib txuas thiab kev tso kawm yuav tsum tau ua tib zoo npaj kom tsis txhob muaj kev ntxhov siab uas tuaj yeem ua rau tsis ua haujlwm dhau sijhawm.
2. Kev ntseeg tau ntawm kev sib txuas:
Kev sib txuas kev ntseeg tau yog qhov tseem ceeb rau kev sib tw-flex PCBs vim tias lawv xav tau kev sib txuas hluav taws xob zoo ib yam ntawm cov khoom nruj thiab hloov tau yooj yim. Ua kom muaj kev ntseeg siab ntawm kev sib txuas yuav tsum tau ua tib zoo xav txog cov txheej txheem routing thiab txiav tawm. Kev khoov nkhaus, ncab ntau dhau, lossis kev ntxhov siab ntawm kev sib tshuam yuav tsum zam vim tias cov no tuaj yeem ua rau kev sib txuas tsis muaj zog thiab ua rau hluav taws xob tsis ua haujlwm. Cov neeg tsim qauv tuaj yeem xaiv cov tswv yim xws li teardrops, elongated pads, los yog staggered striplines los txhim kho kev sib raug zoo.
3. Thermal tswj:
Kev tswj xyuas kom zoo thermal yog qhov tseem ceeb rau cov rigid-flex boards kom ntseeg tau tias kev ua haujlwm zoo thiab tiv thaiv kev kub dhau. Kev sib koom ua ke ntawm cov chaw nruj thiab hloov pauv tau tsim cov kev sib tw tshwj xeeb rau kev ua kom sov kom zoo. Cov neeg tsim qauv yuav tsum xav txog yam xws li cov khoom cua kub dissipation, qhov sib txawv ntawm thermal expansion coefficients ntawm cov ntaub ntawv nruj thiab hloov tau, thiab qhov xav tau rau thermal vias kom txav cua sov tawm ntawm qhov chaw tseem ceeb. Thermal simulation thiab tsom xam tuaj yeem pab txheeb xyuas qhov kub thiab txias thiab siv cov kev daws teeb meem thermal tsim nyog.
4. Cheebtsam tso thiab routing:
Qhov kev tso kawm thiab routing ntawm cov khoom nyob rau hauv nruj-flex PCBs yuav tsum tau ua tib zoo saib xyuas vim muaj kev sib cuam tshuam ntawm nruj thiab saj zawg zog qhov chaw. Cov neeg tsim qauv yuav tsum xav txog cov tshuab khoov thiab flexing ntawm Circuit Court boards thaum sib dhos thiab siv. Cov Cheebtsam yuav tsum tau muab tso rau hauv ib txoj hauv kev kom txo qis cov ntsiab lus kev ntxhov siab, txhim kho cov teeb meem kev ncaj ncees, thiab ua kom yooj yim rau kev sib dhos. Kev simulation thiab kev sim ua kom pom tseeb qhov kev tso kawm thiab routing kom tsis txhob muaj teeb meem tsis tsim nyog lossis tsis ua haujlwm.
5. Manufacturing thiab Assembly Complexity:
Rigid-flex boards muaj ntau dua kev tsim khoom thiab kev sib sau ua ke nyuaj dua li cov khoom siv nruj. Kev sib koom ua ke ntawm ntau txheej txheej thiab cov ntaub ntawv yuav tsum tau tshwj xeeb kev tsim khoom thiab khoom siv. Kev sib koom tes ntawm cov neeg tsim qauv thiab cov tuam txhab tsim khoom yog qhov tseem ceeb los txhais cov hom phiaj tsim qauv rau hauv cov khoom lag luam. Muab cov ntaub ntawv tsim qauv kom meej thiab ntxaws, suav nrog cov ntaub ntawv raug teeb tsa, cov khoom siv tshwj xeeb thiab cov txheej txheem sib dhos, ua kom cov txheej txheem tsim khoom thiab sib dhos.
6. Kev Ncaj Ncees thiab EMI / EMC Kev Txiav Txim Siab:
Kev tuav lub teeb liab kev ncaj ncees thiab txo cov kev cuam tshuam ntawm electromagnetic cuam tshuam / electromagnetic compatibility (EMI / EMC) kev pheej hmoo yog qhov tseem ceeb tsim kev txiav txim siab rau nruj-flex PCBs. Qhov sib thooj ntawm qhov tsis sib xws thiab hloov tau yooj yim tuaj yeem qhia txog kev sib txuas lus thiab kev sib tham sib tham. Ua tib zoo npaj cov teeb liab routing, cov txheej txheem hauv av, thiab siv cov ntaub thaiv npog tuaj yeem pab daws cov teeb meem no. Ntxiv rau, koj yuav tsum xyuas kom meej tias koj xaiv cov khoom tsim nyog nrog EMI kev ua tau zoo thiab ua raws li cov qauv kev lag luam thiab cov lus qhia.
Hauv cov ntsiab lus
Txawm hais tias nruj-flex PCBs muaj ntau qhov zoo ntawm kev tsim qauv yooj yim thiab ua haujlwm ntev, lawv kuj nthuav tawm cov qauv tsim tshwj xeeb. Los ntawm kev hais txog yam xws li kev xav tau flex, kev sib cuam tshuam kev ntseeg tau, kev tswj xyuas thermal, kev tso kawm thiab kev ua haujlwm, kev tsim khoom tsis yooj yim, thiab cov teeb liab kev ncaj ncees, cov neeg tsim qauv tuaj yeem kov yeej cov kev cov nyom no thiab siv tag nrho cov peev txheej ntawm rigid-flex PCB technology. Los ntawm kev ua tib zoo npaj, kev sib koom tes, thiab ua raws li cov kev coj ua zoo tshaj plaws, cov kws tsim khoom tuaj yeem tsim cov khoom lag luam zoo uas tau txais txiaj ntsig zoo ntawm cov qauv tsim-flex PCB.
Post lub sij hawm: Oct-06-2023
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