Hauv ntiaj teb cov cuab yeej kho mob, thev naus laus zis ua lub luag haujlwm tseem ceeb hauv kev txhim kho qhov tseeb, kev ua tau zoo thiab kev ntseeg tau. Ntawm ntau yam kev nce qib, kev siv cov khoom siv hluav taws xob siab tshaj thiab hloov tau yooj yim PCBs tau hloov pauv kev lag luam kho mob.Ntawm no peb yuav tshawb xyuas seb 4-txheej PCB thev naus laus zis tuaj yeem pab txhawb cov khoom siv kho mob ntshav siab.
Ib qho ntawm cov khoom tseem ceeb ntawm 4-txheej PCB yog nws cov tawv tawv, tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv steel raws li circuits.Kev tawv nqaij yog qhov tseem ceeb rau cov khoom siv kho mob vim nws ua kom cov khoom ruaj khov thiab ua haujlwm ntev. Qhov tseeb yog qhov tseem ceeb thaum nws los txog rau cov cuab yeej ntsuas ntshav siab. Kev siv cov hlau phaj hauv PCB ua rau muaj kev nruj ntawm lub voj voog, tiv thaiv kev khoov lossis khoov uas tuaj yeem cuam tshuam qhov tseeb ntawm kev nyeem cov ntshav siab.
Advanced Circuits Flex PCB yog 4-txheej PCB uas muaj ntau yam zoo rau cov khoom siv kho mob, tshwj xeeb tshaj yog kev soj ntsuam ntshav siab. Cia peb saib ze dua ntawm cov yam ntxwv ntawm no tshwj xeeb PCB hom:
1. Cov txheej txheem: 4-txheej PCB teeb tsa muab kev sib koom ua ke ntau dua rau cov cuab yeej ntsuas ntshav siab. Cov khaubncaws sab nraud povtseg ntxiv muab ntau qhov chaw rau routing thiab tso cov khoom, tso cai rau kev sib koom ua ke ntawm ntau lub sensors thiab cov ntaub ntawv ua haujlwm ntawm lub rooj tsavxwm. Qhov no tso cai rau cov cuab yeej sau cov ntaub ntawv los ntawm ntau lub sensors xws li lub siab sensors thiab lub plawv dhia sensors, thiab ua tiav cov ntaub ntawv kom tau txais kev nyeem ntshav siab. Cov txheej txheem 4-txheej kuj tseem pab txo cov teeb liab cuam tshuam, txhim kho tag nrho cov kev ua tau zoo thiab kev ntseeg siab ntawm cov cuab yeej ntsuas ntshav siab.
2. Kab dav thiab kab sib nrug:Kab dav thiab qhov sib nrug ntawm PCB ua lub luag haujlwm tseem ceeb hauv kev ua kom cov teeb liab kis tau zoo thiab txo qhov kev pheej hmoo ntawm kev cuam tshuam. Lub 0.12mm kab dav thiab 0.15mm kab suab muab kev daws teeb meem zoo rau kev khiav ceev ntawm cov teeb liab kab ntawm PCB. Hauv cov khoom siv kho mob xws li ntsuas ntshav siab, kev xa xov hluav taws xob yog qhov tseem ceeb rau kev ntsuas qhov tseeb thiab txhim khu kev qha. Ib qho kev hloov me me lossis kev cuam tshuam ntawm lub teeb liab tuaj yeem ua rau kev nyeem cov ntshav siab tsis raug, uas tuaj yeem ua rau muaj kev cuam tshuam loj rau tus neeg mob txoj kev noj qab haus huv. Los ntawm kev siv cov kab dav dav thiab pitches, cov teeb liab hluav taws xob tuaj yeem raug xa mus kom raug thiab ua tau zoo. Qhov no yuav pab txo cov teeb liab attenuation, crosstalk, thiab electromagnetic cuam tshuam, kom ntseeg tau tias kev ncaj ncees ntawm kev ntsuas ntshav siab.
3. Board thickness:Xaiv lub rooj tsavxwm tuab ntawm 0.2 hli muaj ntau qhov zoo thaum muab cov PCB hloov tau rau hauv cov khoom siv kho mob ntshav siab. Ua ntej ntawm tag nrho cov, lub thinner board thickness ua rau lub PCB sib dua. Qhov no yog ib qho tseem ceeb rau wearables vim nws ua kom lawv tsis txhob hnov loj lossis hnyav thaum hnav. Lub teeb yuag thiab yoog raws PCB pab txhawb rau cov neeg siv kev nplij siab, tso cai rau cov tib neeg tuaj yeem hnav cov cuab yeej siv tau ntev ntev yam tsis muaj qhov tsis xis nyob. Tsis tas li ntawd, qhov hloov pauv ntawm PCB tso cai rau nws khoov thiab ua raws li cov duab ntawm cov khoom siv hnav. Qhov no ua kom zoo dua qub thiab txhim kho cov neeg siv kev nplij siab thaum lub cuab yeej yoog seamlessly rau cov contours ntawm lub cev. Qhov kev hloov pauv no kuj txo qhov kev pheej hmoo ntawm PCB tawg lossis puas vim rov khoov lossis txav mus. Qhov qis profile ntawm PCB txuas ntxiv txhim kho cov neeg siv kev nplij siab. Los ntawm kev ua kom lub PCB nyias, nws txo cov khoom uas yuav ua rau khaus lossis tsis yooj yim rau tus neeg hnav. Tus qauv tsim qis ua kom ntseeg tau tias lub cuab yeej tseem nyob twj ywm, ua rau nws pom tsis tau rau lwm tus.
4. Copper thickness:Kev xaiv ntawm tooj liab tuab hauv PCB ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj hluav taws xob muaj txiaj ntsig zoo thiab pom cov teeb liab kis tau tus mob, uas yog qhov tseem ceeb tshwj xeeb rau kev ntsuas ntshav siab thiab txhim khu kev qha. Nyob rau hauv cov ntaub ntawv no, ib tug tooj liab thickness ntawm 35um (micrometers) yog tsim kom muaj ib tug zoo sib npaug ntawm conductivity thiab yooj. Tooj liab yog cov khoom siv hluav taws xob zoo heev nrog lub thickness ntawm 35um, uas ua rau kom muaj txiaj ntsig zoo ntawm cov teeb liab hluav taws xob thoob plaws hauv PCB kab. Cov hluav taws xob muaj txiaj ntsig zoo tau muab los ntawm tooj liab ua kom ntseeg tau tias cov teeb liab ntshav siab tau raug xa los ntawm lub sensor mus rau cov cuab yeej ua haujlwm. Txhua lub teeb liab poob lossis kev hloov pauv uas yuav tshwm sim nrog cov khoom siv tsis txaus tuaj yeem ua rau kev nyeem ntawv tsis tseeb thiab cuam tshuam qhov tseeb thiab kev ntseeg siab ntawm kev ntsuas ntshav siab. Tsis tas li ntawd, qhov zoo ntawm tooj liab thickness pab txo qhov kev tiv thaiv, impedance, thiab teeb liab attenuation. Qhov no tseem ceeb tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv rhiab heev xws li ntsuas ntshav siab, qhov twg txawm tias me ntsis teeb liab cuam tshuam tuaj yeem cuam tshuam qhov tseeb ntawm kev nyeem ntawv.
5. Yam tsawg kawg nkaus aperture: Qhov tsawg kawg nkaus aperture loj ntawm 0.2mm tso cai rau kev tso kawm thiab kev koom ua ke ntawm cov khoom ntawm lub PCB hloov tau. Qhov no ua kom zoo sensor thiab connector alignment kom raug cov ntaub ntawv capture thiab kis tau tus mob.Nov yog yuav ua li cas nws ua kom cov sensors thiab cov khoom sib txuas ua kom zoo rau cov ntaub ntawv raug ntes thiab xa mus:
Qhov Chaw Tso Cai:
Qhov me me aperture enables meej qhov chaw ntawm cov khoom ntawm flex PCBs. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov khoom siv me me thiab cov khoom sib txuas, vim kev sib raug zoo ua kom muaj kev sib cuag thiab ua haujlwm zoo.
Sensor Alignment:
Kev sib raug zoo sensor tsis raug tuaj yeem ua rau cov ntaub ntawv tsis raug. Lub sensor muaj qhov tsawg kawg nkaus aperture loj ntawm 0.2mm thiab tuaj yeem ua raws li qhov tseeb kom ntseeg tau tias kev sib cuag nrog lub hom phiaj thiab ntsuas cov ntaub ntawv raug.
Connector kev koom ua ke:
Cov Connectors ua lub luag haujlwm tseem ceeb hauv kev xa cov ntaub ntawv ntawm cov khoom sib txawv. Qhov me me aperture tso cai rau qhov kev tso kawm thiab kev sib dhos ntawm cov khoom sib txuas ntawm flex PCB. Qhov no ua kom raug hluav taws xob tiv tauj thiab pom cov teeb liab kis tau tus mob yam tsis muaj kev poob lossis cuam tshuam.
Reduced Signal Distortion:
Kev tso kawm meej thiab cov khoom sib xyaw ua ke los ntawm qhov me me aperture pab txo cov teeb liab distortion. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau flex PCBs, qhov twg khoov thiab txav tuaj yeem cuam tshuam cov teeb liab kev ncaj ncees. Precise alignment minimizes qhov ua tau ntawm cov teeb liab poob lossis attenuation thaum cov ntaub ntawv ntes thiab xa mus.
6. nplaim retardant:94V0 nplaim retardant khoom yog siv los xyuas kom meej kev ruaj ntseg ntawm cov ntshav siab ntsuas. Hauv qhov chaw kho mob uas tus neeg mob muaj kev nyab xeeb yog qhov tseem ceeb, kev ntseeg siab thiab hluav taws kub los ntawm PCBs yog qhov tseem ceeb.
Hauv qhov chaw kho mob uas tus neeg mob muaj kev nyab xeeb yog qhov tseem ceeb, PCBs nrog cov khoom siv hluav taws xob muaj ntau yam zoo: hluav taws kub:
94V0 nplaim retardant cov ntaub ntawv muaj peev xwm tiv thaiv kev sib kis ntawm cov nplaim taws, tiv thaiv los yog tua hluav taws. Qhov no yog qhov tseem ceeb tshwj xeeb hauv cov chaw kho mob uas muaj cov khoom siv hluav taws xob lossis hluav taws xob ua txhaum cai tuaj yeem ua rau muaj kev phom sij loj rau cov neeg mob thiab cov kws kho mob. Kev siv cov PCBs nrog cov nplaim hluav taws kub nyhiab pab txo qis qhov tshwm sim ntawm hluav taws kub.
Kev ntseeg tau:
PCBs nrog cov nplaim hluav taws kub muaj kev ntseeg siab dua vim lawv muaj peev xwm tiv taus qhov kub thiab txias. Hauv ib puag ncig kev kho mob, cov cuab yeej xws li cov ntsuas ntshav siab yuav raug rau ntau yam mob, suav nrog kev kub siab los ntawm kev ua kom tsis muaj menyuam lossis raug mob los ntawm cov cua sov. Los ntawm kev siv cov nplaim hluav taws kub-retardant PCBs, qhov kev pheej hmoo ntawm kev puas tsuaj los yog tsis ua hauj lwm vim cua sov los yog hluav taws yuav txo qis, kom ntseeg tau tias cov khoom siv txhim khu kev qha.
Ua raws li cov qauv kev nyab xeeb:
Ntau lub koom haum tswj hwm thiab cov koom haum tsim qauv xav tau cov khoom siv hluav taws xob siv hauv qhov chaw kho mob kom ua tau raws li cov qauv hluav taws xob tshwj xeeb. Los ntawm kev siv 94V0 nplaim hluav taws kub retardant cov ntaub ntawv hauv PCBs, cov chaw tsim khoom siv kho mob tuaj yeem ua raws li cov qauv kev nyab xeeb no, txhim kho tag nrho kev nyab xeeb thiab ua raws li cov cuab yeej ntsuas ntshav siab.
Kev tiv thaiv cov khoom siv hluav taws xob:
Ntxiv nrog rau kev tiv thaiv hluav taws, nplaim taws-retardant PCBs kuj tseem tiv thaiv cov khoom siv hluav taws xob txuas rau lawv. Cov khoom siv hluav taws xob tiv thaiv hluav taws pab tiv thaiv kev puas tsuaj los ntawm hluav taws kub lossis hluav taws, tswj kev ncaj ncees thiab kev ua haujlwm ntawm cov cuab yeej ntsuas ntshav siab.
7. Kev kho deg: immersion kub nto kho mob muab zoo heev corrosion kuj thiab solderability. Qhov no ua kom PCB lub neej ntev thiab ua haujlwm ntev, txawm tias nyob rau hauv cov chaw kho mob nyuaj.
Nov yog qee qhov laj thawj vim li cas immersion kub tiav yog qhov muaj txiaj ntsig, tshwj xeeb tshaj yog nyob rau hauv cov chaw kho mob nyuaj:
Corrosion kuj:
Immersion kub saum npoo kev kho mob tsim ib txheej tiv thaiv los tiv thaiv cov kab tooj liab ntawm PCB los ntawm oxidation thiab corrosion. Hauv kev kho mob ib puag ncig, qhov chaw raug dej noo, tshuaj lom neeg thiab cov txheej txheem ua kom tsis muaj menyuam, kev tiv thaiv corrosion ua qhov tseem ceeb. Lub immersion kub txheej ua raws li kev thaiv los ntawm cov teeb meem no, ua kom lub neej ntev thiab kev ntseeg siab ntawm PCB.
Solderability:
Tooj liab, cov hlau tseem ceeb siv hauv PCBs, yooj yim oxidized, txo nws cov solderability. Lub immersion kub tiav ua ib txheej nyias ntawm cov kub ntawm cov kab tooj liab, txhim kho cov solderability ntawm PCB. Qhov no ua rau cov txheej txheem soldering thaum lub sij hawm sib dhos PCB, uas ua rau cov pob qij txha muaj zog thiab txhim khu kev qha. Txhim kho solderability yog ib qho tseem ceeb tshwj xeeb tshaj yog rau cov khoom siv kho mob vim tias kev sib txuas ua ke thiab ruaj khov yog qhov tseem ceeb rau kev ua haujlwm zoo tshaj plaws.
Lifespan thiab Durability:
Lub corrosion kuj muab los ntawm immersion kub tiav pab txuas lub neej ntawm PCB. Nyob rau hauv ib qho chaw kho mob, qhov twg cov cuab yeej yuav raug mob hnyav xws li kev ua kom tsis muaj menyuam, raug tshuaj lom neeg lossis kev ntxhov siab, PCB durability yog qhov tseem ceeb. Cov txheej kub tiv thaiv kom ntseeg tau tias PCB tuaj yeem tiv taus cov kev cov nyom no thiab tuav nws txoj haujlwm thiab kev ua tau zoo nyob rau lub sijhawm ntev.
Teeb liab kev ncaj ncees:
Lub immersion kub tiav muaj cov khoom siv hluav taws xob zoo heev, suav nrog kev ua haujlwm qis thiab muaj peev xwm kis tau zoo. Qhov no yog ib qho tseem ceeb rau cov khoom siv kho mob xws li cov ntsuas ntshav siab uas tso siab rau qhov tseeb thiab txhim khu kev qha kis tau tus mob. Cov txheej kub ntawm PCB pab tswj cov teeb liab kev ncaj ncees thiab txo qhov kev pheej hmoo ntawm cov teeb liab degradation los yog poob vim oxidation nto los yog cov pob qij txha tsis zoo.
Cov cuab yeej ntsuas ntshav siab siv 4-txheej PCB thev naus laus zis muab ntau yam txiaj ntsig rau cov neeg mob thiab cov kws kho mob.Qhov tseeb thiab kev ntseeg siab ntawm kev ntsuas ntshav siab ua rau muaj kev kuaj mob zoo dua thiab kev txiav txim siab kho mob. Qhov hloov tau yooj yim thiab lub teeb yuag ntawm PCB ua rau cov cuab yeej tsim nyog rau kev hnav mus ntev, yog li txhim kho cov neeg mob ua raws.
Daim ntawv thov ntawm 4-txheej PCB thev naus laus zis hauv cov cuab yeej ntsuas ntshav siab qhia tau tias muaj peev xwm zoo ntawm cov khoom siv hluav taws xob siab tshaj thiab hloov pauv PCBs hauv kev kho mob kev lag luam.Kev sib xyaw ua ke ntawm kev txhim kho thev naus laus zis thiab cov khoom nta tau muab kev txhawb nqa zoo rau kev txhim kho qhov tseeb, kev ua tau zoo thiab kev ntseeg siab ntawm kev ntsuas ntshav siab.
Daim ntawv thov ntawm 4-txheej PCB thev naus laus zis, tshwj xeeb tshaj yog los ntawm kev nruj ntawm cov hlau phaj muaj pes tsawg leeg, ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa cov khoom siv kho mob ntshav siab.Lub siab tshaj plaws Circuit Court hloov tau yooj yim PCB muab lub platform zoo heev rau kev tsim cov khoom siv ntsuas ntshav siab kom raug thiab txhim khu kev qha nrog nws cov khoom tshwj xeeb. Raws li kev siv thev naus laus zis txuas ntxiv mus, peb tuaj yeem cia siab tias yuav muaj kev nce qib ntxiv hauv cov cuab yeej kho mob uas tau tsav los ntawm kev sib koom ua ke ntawm cov cuab yeej PCB siab heev.
Post lub sij hawm: Sep-06-2023
Rov qab
