Hluav taws xob engineers feem ntau ntsib qhov teeb meem ntawm kev txiav txim siab qhov kev ua tau zoo ntawm cov khaubncaws sab nraudPCB tsimCov. Nws puas zoo dua los siv ntau txheej lossis tsawg dua txheej? Koj ua li cas thiaj txiav txim siab ntawm cov khaubncaws sab nraud pov thawj rau PCB?
1.Qhov pcb txheej txhais li cas?
Cov khaubncaws sab nraud povtseg ntawm ib tug PCB xa mus rau cov ntawv tooj liab liab uas tau laminated nrog tussubstrateCov. Tsuas yogIb Leeg Txheej PcbsUas tsuas muaj ib txheej tooj liab tooj, tag nrho cov hniav nrog ob lossis ntau txheej muaj ib tus lej ntawm cov khaubncaws sab nraud pov thawj. Cov Cheebtsam yog soldered mus rau txheej sab nraud, thaum lwm cov khaubncaws sab nraud povtseg ua kev sib txuas. Txawm li cas los xij, qee qhov kawg pcbs yuav qhib cov khoom siv hauv cov khaubncaws sab nraud povtseg.
PCBs tau siv los tsim ntau yam khoom siv hluav taws xob thiab cov tshuab ua rau ntau hom kev lag luam, xws liCov Neeg Siv Khoom Electronics, automotive,kev tham xov tooj, Aerospace, tub rog, thiab kev kho mob
kev lag luam. Tus naj npawb ntawm cov khaubncaws sab nraud povtseg thiab me me ntawm ib lub rooj tsavxwm tshwj xeeb txiav txim siab lub zog thiablub peev xwmntawm pcb. Raws li tus naj npawb ntawm txheej nce, yog li ua haujlwm.
2.Yog li cas los txiav txim siab tus lej pcb?
Thaum txiav txim siab ntawm cov khaubncaws sab nraud povtseg ntawm cov khaubncaws sab nraud povtseg rau tus PCB, nws yog ib qho tseem ceeb kom xav txog cov txiaj ntsig ntawm kev sivNtau Txheejpiv rau ib lossis ob txheej. Nyob rau tib lub sijhawm, nws tseem tsim nyog los txiav txim siab qhov zoo ntawm kev siv ib txheej txheej tsim piv rau cov ntawm cov tshuaj multilayer. Cov xwm txheej no tuaj yeem raug ntsuas los ntawm tsib qhov kev xav hauv qab no:
2-1. Siv PCB yuav nyob qhov twg?
Thaum txiav txim siab cov kev qhia tshwj xeeb rau Pcb Board, nws yog qhov tseem ceeb los xav txog lub hom phiaj los yog siv rau hauv, nrog rau cov thawj coj ntawm hluav taws xob rau cov khoom siv. Qhov no suav nrog kev txheeb xyuas seb Pcb Board yuav raug siv rau hauv kev sib tw thiab
Cov khoom siv hluav taws xob nyuaj, lossis hauv cov khoom yooj yim dua nrog cov haujlwm yooj yim.
2-2. Yuav tsum ua haujlwm zaus ua haujlwm rau PCB?
Qhov teeb meem ntawm kev ua haujlwm zaus yuav tsum tau txiav txim siab thaum tsim qauv PCB txij li qhov ntsuas no txiav txim siab cov haujlwm thiab lub peev xwm ntawm PCB. Rau kev nrawm dua thiab kev ua haujlwm ua haujlwm, ntau-pcbs yog qhov tseem ceeb.
2-3.What yog lub phiaj xwm peev nyiaj?
Lwm yam los txiav txim siab yog cov nqi tsim khoom ntawm ib
Thiab ob chav txheej page packbs tiv thaiv ntau-txheej duab pcbs. Yog tias koj xav tau ib lub PCB uas muaj peev xwm ua tau, tus nqi yuav tsis muaj kev ntxhov siab.
Qee tus neeg nug txog kev sib raug zoo ntawm tus naj npawb ntawm cov khaubncaws sab nraud povtseg hauv pcb thiab nws tus nqi. Feem ntau, cov khaubncaws sab nraud ntxiv rau PCB muaj, nws tus nqi siab dua. Qhov no yog vim tias tsim thiabkev tsim khoomNtau-txheej pcb siv sijhawm ntev dua thiab yog vim li cas cov nqi ntau dua. Daim duab hauv qab no qhia tau tus nqi nruab nrab ntawm ntau txheej zauv rau peb lub tuam txhab sib txawv raws li cov xwm txheej hauv qab no:
Pcb txiav txim kom muaj nuj nqis: 100;
PCB Loj: 400mm X 200mm;
Tus naj npawb ntawm cov khaubncaws sab nraud povtseg: 2, 4, 6, 8, 10.
Daim duab qhia cov nqi nruab nrab ntawm cov nqi nruab nrab ntawm PCBs los ntawm peb cov tuam txhab sib txawv, tsis suav nrog cov nqi thauj khoom. Tus nqi ntawm PCB tuaj yeem ntsuas cov vev xaib PCB, uas tso cai rau koj xaiv cov tsis sib txawv xws li hom neeg ua yeeb yam, qhov loj me, thiab ntau dua, thiab ntau dua cov khaubncaws sab nraud povtseg. Daim duab ntsuas tsuas yog muab cov tswv yim dav dav ntawm PCB tus nqi ntawm peb lub tuam txhab pcb los ntawm peb lub chaw tsim khoom, thiab tus nqi yuav txawv raws li cov khaubncaws sab nraud povtseg. Cov nqi thauj khoom tsis suav nrog. Muaj lub laij lej siv tau online, muab rau cov neeg tsim khoom lawv tus kheej kom pab cov neeg ua haujlwm sib txawv raws li cov qauv sib txawv, ntau dua, cov ntaub ntawv rwb thaiv tsev, tuab, thiab lwm yam.
2-4. Lub sijhawm khoom xa tuaj xav tau dab tsi rau PCB?
Lub sijhawm khoom xa tuaj yog hais txog lub sijhawm nws yuav siv sij hawm tsim thiab xa ib / ob zaug / ob chav / multilayer PCBs. Thaum koj yuav tsum tau tsim kom muaj ntau ntawm cov PCBs,Lub sijhawm khoom xa tuajyuav tsum tau coj mus rau hauv tus account. Lub sijhawm khoom xa tuaj rau ib leeg / ob zaug / multilayer pcbs thiab nyob ntawm qhov loj ntawm thaj chaw PCB. Ntawm chav kawm, yog tias koj txaus siab siv nyiaj ntau dua, lub sijhawm khoom xa tuaj yuav luv.
2-5. Dab tsi ntom thiab teeb liab txheej ua PCB xav tau?
Tus naj npawb ntawm cov khaubncaws sab nraud povtseg nyob rau hauv ib tug PCB nyob ntawm tus pin ntom thiab teeb liab txheej. Piv txwv li, tus lej pin ntom ntawm 1.0 yuav tsum tau 2 lub teeb liab txheej, thiab raws li tus pin qhov tsis muaj nqis, tus naj npawb ntawm cov khaubncaws sab nraud povtseg yuav nce ntxiv. Yog tias tus pin ceev yog 0.2 lossis tsawg dua, tsawg kawg 10 txheej ntawm PCB yuav tsum muaj.
3.Advantages ntawm cov txheej txheem pcb txawv - ib-txheej / ob-txheej / multas txheej.
3-1. Ib Leeg-Txheej PCB
Kev tsim kho ntawm ib-txheej pcb yog yooj yim, muaj ib txheej txheej ntawm nias thiab welded txheej ntawm cov khoom siv hluav taws xob. Thawj txheej yog them nrog lub tooj liab-clad phaj, thiab tom qab ntawd cov hlua-tiv thaiv txheej yog siv. Daim duab ntawm ib-txheej pcb feem ntau yog qhia peb cov xim pleev xim rau cov txheej thiab xim av rau lub tooj liab-tiv taus txheej.
Qhov Zoo:
● Tus nqi tsim nyog tus nqi qis, tshwj xeeb yog rau kev tsim cov neeg siv khoom hluav taws xob, uas muaj tus nqi siab dua.
● Sib dhos ntawm cov khoom siv, Drilling, soldering, thiab kev teeb tsa kuj yooj yim, thiab covCov txheej txheem ntau lawmtsis tshua pom teeb meem.
● Kev lag luam thiab haum rau huab hwm coj ntau lawm.
● kev xaiv zoo tagnrho rau kev tsim qauv tsawg.
Cov Ntawv Thov:
● Cov ntsiab lus xam suav siv ib-txheej zauv.
● Radios, xws li cov xov tooj cua qis lub moos ntawm cov khw muag khoom lag luam hauv cov khw muag khoom lag luam, feem ntau yog siv ib qho txheej txheem ib leeg.
● Kas fes tshuab feem ntau siv ib-txheej txheej zauv.
● Qee cov khoom siv hauv yim neeg siv ib-txheej zauv.
3-2. Ob-Txheej PCB
Muab ob txheej pcb muaj ob txheej ntawm tooj liab plating nrog ib txheej insulating txheej nyob nruab nrab.Cheebtsamtau muab tso rau ob sab ntawm lub rooj tsavxwm, uas yog vim li cas nws tseem hu ua ob-tog pcb. Lawv tsim los ntawm kev sib txuas ob txheej ntawm tooj liab ua ke nrog cov ntaub ntawv diilectric nyob rau hauv nruab nrab, thiab txhua sab ntawm tus tooj liab tuaj yeem hloov hluav taws xob sib txawv. Lawv tsim nyog rau cov ntawv thov uas xav tau kev kub ceev thiab compact ntim.
Cov teeb hluav taws xob tau nyob ntawm ob txheej tooj liab, thiab cov ntaub ntawv diilitric ntawm lawv pab txwv tsis txhob muaj kev cuam tshuam nrog lwm tus. Ob-txheej pcb yog qhov feem ntau cov thiab muaj kev lag luam nrog circuitfoard los tsim ua.
Muab cov txheej txheej ib pawg zoo ib yam yog cov txheej txheej ib leeg, tab sis muaj ib daim iav inverted hauv qab ib nrab. Thaum siv cov txheej txheej ib zaug, cov duab dielectric yog tuab dua li ntawm ib-txheej teeb tsa. Ib qho ntxiv, muaj tooj liab plating ntawm ob sab saum toj thiab hauv qab ob sab ntawm cov khoom dielectric. Tsis tas li ntawd, sab saum toj thiab hauv qab ntawm cov laminated board tau them nrog cov jo tiv thaiv txheej txheej.
Daim duab ntawm ib txheej pcb feem ntau zoo li yog ib txheej grey hauv nruab nrab, nrog cov txheej av tuab rau sab saud thiab hauv qab tiv thaiv txheej tiv thaiv txheej.
Qhov Zoo:
Kev hloov pauv tau yooj yim ua rau nws haum rau ntau yam khoom siv.
● Tus nqi qis tus nqi uas ua rau nws yooj yim rau ntau lawm.
● Cov qauv yooj yim.
● Qhov me me uas haum rau ntau yam khoom siv.
Cov Ntawv Thov:
Muab ob npaug rau txheej pcbs yog tsim nyog rau ntau yam ntawm cov khoom siv hluav taws xob yooj yim thiab cov khoom siv hluav taws xob yooj yim. Piv txwv ntawm cov khoom siv loj-tsim uas muaj cov txheej txheem ob npaug pcbs muaj xws li:
● HVAC chav nyob, muaj chaw nyob cua sov thiab cua txias tshuab los ntawm ntau hom tag nrho cov-txheej princuit Court boards.
●nife, ob-txheej paphbs tau nruab nrog cov unitsingifier uas siv los ntawm ntau cov kws ntaus suab paj nruag.
● Luam tawm, ntau lub computer peripherals cia siab rau ob-txheej pcbs.
3-3. Plaub-Txheej PCB
Ib txheej 4-txheej pcb yog cov ntawv luam tawm hluav taws xob nrog plaub tus qauv ua haujlwm: sab saum toj, ob txheej sab hauv, thiab hauv qab. Ob sab hauv txheej sab hauv yog qhov tseem ceeb, feem ntau yog siv los ua lub zog lossis av dav hlau, thaum lub sab saum toj thiab hauv qab cov txheej txheem thiab cov paib sib txuas.
Cov khaubncaws sab nraud povtseg sab nraud yog feem ntau them nrog cov hlua tiv thaiv txheej nrog cov ntsiab lus sib txuas thiab cov khoom sib tham. Los ntawm-qhov yog feem ntau siv los muab kev sib txuas ntawm plaub txheej, uas yog laminated ua ke los tsim pawg thawj coj.
Ntawm no yog qhov tawg ntawm cov khaubncaws sab nraud povtseg:
- Txheej 1: txheej hauv qab, feem ntau ua rau tooj liab. Nws ua lub hauv paus ntawm tag nrho cov Circuit Court Board, muab kev txhawb nqa rau lwm txheej.
- Txheej 2: Txheej fais fab txheej. Nws muaj npe li no vim nws muab lub hwj chim huv thiab ruaj khov rau txhua yam ntawm Circuit Court Board.
- Txheej 3: av ntoo hlau txheej, ua haujlwm raws li cov av hauv av rau txhua feem ntawm Cirtral Board.
- Txheej 4: txheej saum txheej txheej txheem siv rau cov cim qhia thiab muab cov ntsiab lus sib txuas rau cov khoom siv.
Nyob rau hauv ib tug qauv 4-txheej pcb yog sib cais los ntawm 3 txheej ntawm sab hauv dielectric thiab tau muab ntim rau saum thiab hauv qab nrog solder tiv thaiv txheej. Feem ntau, cov qauv tsim rau 4-txheej teeb duab yog pom siv 9 xim - xim av rau tus tub ntxhais, grey rau cov tub ntxhais, grey rau cov tub ntxhais, thiab ntsuab rau kev tawm tsam tiv thaiv.
Qhov Zoo:
● Durability - plaub-txheej teeb tau muaj zog dua ib txheej thiab ob npaug ntoo.
● Compact Qhov loj me - Tus qauv tsim me me ntawm plaub-txheej qauv pcbs tuaj yeem haum ntau yam ntawm cov khoom siv.
● Yooj yim - plaub-txheej pcbs tuaj yeem ua haujlwm ntau hom khoom siv hluav taws xob, suav nrog cov khoom siv yooj yim thiab nyuaj.
● Kev Nyab Xeeb - Los ntawm kom tau raws li cov txheej txheem hluav taws xob thiab av hauv av, plaub-txheej duab pcbs tuaj yeem tiv thaiv hluav taws xob cuam tshuam.
● Kev nthuav dav - cov khoom siv tau nruab nrog plaub-txheej kab mob yuav tsum tau siv txoj hlua sab hauv tsawg dua, yog li lawv feem ntau sib dua hauv qhov hnyav.
Cov Ntawv Thov:
● Lub kaw lus satellite - ntau txheej pcbs tau nruab hauv Orbiting Orbiting.
At Handheld Devices - smartphones thiab ntsiav tshuaj feem ntau yog nruab nrog plaub-txheej kab zauv.
● Chaw Tshawb Nrhiav Kev Tshawb Fawb - Cov Txheej Txheem Sau Cov Txheej Txheem Hluav Taws Xob muab lub zog rau kev tshawb nrhiav cov khoom siv.
3-4. 6 Layers PCB
Ib txheej 6-txheej pcb yog qhov tseem ceeb yog 4-txheej pawg thawj coj nrog ob txheej teeb liab ntxiv ntawm cov dav hlau. Tus qauv 6-txheej Pcb Cov Khoom Siv suav nrog 4 cov txheej txheem hauv qab (ob sab nraud thiab ob sab hauv) thiab 2 lub dav hlau sab hauv (ib qho rau hauv av thiab ib qho rau lub zog).
Muab cov txheej txheem sab hauv rau cov txheej txheem hluav taws xob kom kub thiab 2 txheej txheej rau cov cim tsis tshua muaj tshwm sim EMI (hluav taws xob cuam tshuam). EMI yog lub zog ntawm cov cim nyob rau hauv cov khoom siv hluav taws xob raug cuam tshuam los ntawm hluav taws xob lossis induction.
Muaj ntau yam kev npaj rau cov stackup ntawm 6-txheej pcb, tab sis tus naj npawb ntawm lub zog, teeb liab, thiab txheej av uas siv nyob ntawm daim ntawv thov yuav tsum tau ua.
Tus qauv 6-txheejPcb StackupMuaj xws li txheej txheej saum toj kawg nkaus - Cov Txheej Txheem Sab Hauv Pem Hauv Ntej - Cov Txheej Txheem Sab Hauv - Tub Ntxhais Kev Lom Zem Sab Hauv - Txheej Txheem Sab Hauv - Prepreg - Cov Txheej Txheem Sab Hauv.
Txawm hais tias qhov no yog cov qauv kev teeb tsa, nws yuav tsis haum rau txhua tus PCB tsim, thiab nws yuav tsim nyog kom rov ua tiav cov khaubncaws sab nraud povtseg lossis muaj ntau txheej ntxiv. Txawm li cas los xij, txoj kev ua haujlwm ua haujlwm thiab kev txo qis ntawm kev hla dej yuav tsum txiav txim siab thaum muab lawv tso.
Qhov Zoo:
● lub zog - rau-txheej Pcbs yog tuab dua li lawv cov prediner thinner thiab yog li ntawd ntau zog.
● Kev Compervage - Cov laug cam nrog rau txheej ntawm cov tuab tuab no muaj peev xwm ntau dua thiab tuaj yeem haus qhov dav tsawg dua.
Muaj peev xwm siab - rau-txheej lossis ntau daim pcbs muab lub zog zoo rau cov khoom siv hluav taws xob thiab muaj peev xwm txo tau cov khoom siv crostsalk thiab electromagnetic cuam tshuam.
Cov Ntawv Thov:
● Cov Computers - 6-Txheej PCBs tau pab tsav txoj kev loj hlob sai ntawm cov khoos phis tawm ntawm tus kheej, ua rau lawv muaj ntau dua, sib dua, thiab nrawm dua.
● Cov ntaub ntawv khaws cia - muaj peev xwm muaj peev xwm-rau-txheej Pcbs tau ua cov ntaub ntawv cia ua kom nce ntxiv ntau dua xyoo dhau los.
Cov Hluav Taws Kub Hluav Taws Kub - Siv 6 lossis ntau dua cov laug cam Circuit Court, lub tswb kub ua kom muaj qhov tseeb dua thaum pom kev phom sij tiag.
Raws li tus naj npawb ntawm cov khaubncaws sab nraud povtseg nyob rau hauv cov ntawv luam tawm hluav taws xob nce siab dhau ntawm plaub thiab cov khoom siv tooj liab thiab dielectric cov txheej ntxiv tau ntxiv rau cov stackup.
Piv txwv li, ib yim-txheej pcb muaj plaub lub dav hlau thiab plaub lub teeb liab tooj liab txheej - yim nyob rau hauv tag nrho cov kab - kab ntawm dielectric ntaub. Lub yim-txheej pob yog kaw nrog dielectric sws daim npog me me ntawm sab saum toj thiab hauv qab. Qhov tseem ceeb, yim txheej pcb stackup yog zoo li lub rau-txheej, tab sis nrog ib khub tooj liab liab thiab cov khoom siv hloov pauv.
Shenzhen Anke PCB Co., Ltd
2023-6-17
Lub Sijhawm Post: Jun-26-2023
