Iinjineli zoMbane zihlala zijongana nengxaki yokumisela inani elifanelekileyo lezinto zeUyilo lwe-PCB. Ngaba kungcono ukusebenzisa ii-laiers ezingaphezulu okanye ii-famirs ezimbalwa? Wenza njani isigqibo kwinani lezinto ze-PCB?
1.Uthetha ntoni i-PCB?
Iingqokelela ze-PCB zibhekisa kwi-Copper Laigs ezilahliweyo kunye nesubsare. Ngaphandel kweI-pcbs ye-checker engatshatangaInomlinganiso omnye wobhedu, zonke ii-PCB ezinamacala amabini okanye ngaphezulu zinenani leendawo. Amacandelo athengiswe kwi-ferist ferte, ngelixa ezinye izazi zisebenza njengokunxibelelana ngentambo. Nangona kunjalo, ezinye ii-pcbs eziphezulu ziya kufaka izinto phakathi kwezinto zangaphakathi.
I-PCBS isetyenziselwa ukwenza izixhobo ezahlukeneyo ze-elektroniki kunye noomatshini kumashishini ahlukeneyo, njengeI-elektroniki yabathengi, inqwelo moya,unxibelelwano, i-aerospace, emkhosini, kunye nezonyango
amashishini. Inani lezingqala kunye nobungakanani bebhodi ethile zimisela amandla kwayeamandlayePCB. Njengoko inani leengcambo liyanda, kunjalo ukusebenza.
2.Ukuchaza inani lemigca ye-PCB?
Xa usenza isigqibo kwinani elifanelekileyo leendawo ze-PCB, kubalulekile ukuqwalasela izibonelelo zokusebenzisaIingcembe ezininzingokuchasene nezakhiwo ezibini okanye eziphindwe kabini. Kwangelo xesha, kuyayimfuneko ukuqwalasela izibonelelo zokusebenzisa uyilo olunye uhlobo ngokuchasene nezo zezoyilo ezahlukeneyo. Ezi zinto zinokuvavanywa kwezi mbono zintlanu zilandelayo:
I-2-1. Iza kusetyenziswa phi i-PCB?
Xa kusenziwa isigqibo se-PCB IBhodi, kubalulekile ukuqwalasela umatshini ocetywayo okanye izixhobo eziza kusetyenziswa yi-PCB, kunye neemfuno zeBhodi yeShekeji ethile yezixhobo ezinjalo. Oku kubandakanya ukuchonga ukuba ibhodi ye-PCB iya kusetyenziswa kuko
Iimveliso ezintsonkothileyo ze-elektroniki, okanye kwiimveliso ezilula ezisebenzayo.
2-2. Yintoni efunekayo rhoqo kwi-PCB?
Umcimbi wokusebenza rhoqo kufuneka uthathelwe ingqalelo xa uyila i-PCB ukusukela kule paramitha imisela ukusebenza kunye nomthamo wePCB. Kwizantya eziphezulu kunye nezakhono zomsebenzi, i-primu-ye-prim ye-miltiaried ibalulekile.
2-3.Yintoni uhlahlo-lwabiwo mali?
Ezinye izinto ekufuneka ziqwalaselwe ziindleko zokwenza izinto ezingatshatanga
kunye ne-faces ye-facker pcbs xa kuthelekiswa nePCBS ye-Mullo. Ukuba ufuna i-PCB inamanqanaba aphezulu, iindleko ziya kuphakama.
Abanye abantu babuza malunga nolwalamano phakathi kwenani lezinto ezikwi-PCB kunye nexabiso layo. Ngokubanzi, kokukhona i-PCB inayo, ixabiso layo eliphezulu. Kungenxa yokuba uyilo kwayeukuvelisaI-PCB ye-PCB ye-Winder Make ithatha ixesha elide kwaye ke ixabisa ngaphezulu. Itshathi engezantsi ibonisa indleko zendleko zePCBs ye-Winder ezahlukeneyo kubavelisi abathathu abahlukeneyo phantsi kwale mibandela ilandelayo:
Ubungakanani be-PCB yoku-odola: 100;
Ubungakanani be-PCB: 400mm X3mm;
Inani lezinto: 2, 4, 6, 8, 10.
Itshathi ibonisa ixabiso eliphakathi le-PCBS evela kwiinkampani ezintathu ezahlukeneyo, kubandakanya iindleko zokuhambisa. Indleko ye-PCB inokuvavanywa usebenzisa iiwebhusayithi ze-PCB, ezivumela ukuba ukhethe iiparamitha ezahlukileyo ezinje ngohlobo oluqhubayo, ubukhulu, kunye nenani leendawo. Le tshathi ibonelela ngombono ngokubanzi wamaxabiso aphakathi e-PCB abavela kubavelisi abathathu, kwaye amaxabiso anokwahluka ngokwenani leendawo. Iindleko zokuhambisa azifakwanga. Izibalo ezifanelekileyo ziyafumaneka kwi-Intanethi, ezibonelelwa ngabavelisi ngokwazo zokunceda abathengi bavavanya iindleko zabo ziseketheni ezifana nohlobo lweeparamitha ezifana nohlobo lweeparamitha ezifana nohlobo lwezinto eziqhuba, ubukhulu bezinto, njl njl.
2-4. Lithini ixesha elifunwayo le-PCB?
Ixesha lokuhambisa libhekisa kwixesha elithathayo ukwenza kwaye lizise i-pribbs enye / kabini / i-PCBS ye-munil. Xa kufuneka uvelise inani elikhulu lee-PCBs,Ixesha lokuzisakufuneka kuthathelwe ingqalelo. Ixesha lokuhanjiswa kwee-PCB ezizodwa / ezimbini / iiPCB zeMiltilayer ziyahluka kwaye zixhomekeke kubungakanani bendawo yePCB. Ewe kunjalo, ukuba uzimisele ukusebenzisa imali ethe kratya, ixesha lokuhanjiswa linokunqunyulwa.
2-5. Luluphi uxinizelelo kunye nomaleko osayinileyo Ngaba i-PCB idinga?
Inani lezinto ezikwi-PCB lixhomekeke kwi-PIN Umzekelo, ukuxinana kwePini ye-1,0 kufuna ukuba kubekho isiginali ezi-2, kwaye njengoko iPinity incipha, inani lezinto ezifunwayo ziya kunyuka. Ukuba ukuxinana kwePIN ngu-0,2 okanye ngaphantsi, ubuncinci beendawo ezili-10 zePCB ziyafuneka.
Iindlela ezi-3 ze-PCB zazo zazazile -i-Sheet-I-Subter-Deach-Sawuleli-Mali-Sayitha.
I-3-1. I-pwb ye-pcb ye-SPHB
Ukwakhiwa kwe-PCB ye-PHB ye-Worting ilula, kubandakanya umaleko omnye wezinto ezicinezelweyo nezinezinto ze-weldied zezinto ezisebenza ngombane. Umaleko wokuqala ugutyungelwe ipleyiti yobhedu, kwaye emva koko umntu othengisa iThuthiwa uyasetyenziswa. Umzobo we-PCB ye-pikb ye-Worth idla ngokubonisa imitya emithathu enemibala ukuze umele ungqimba kunye nezixhobo zayo ezizigubungela-grey kwipleyiti ye-Delecric ngokwayo, i-brown kwi-Green-Count yeThuqu.
Izibonelelo:
● Ixabiso lemveliso eliphantsi, ngakumbi ekuvelisweni kombane nabathengi, enesidima esiphezulu sokusebenza.
● Indibano yamacandelo, ukuqhuba, ukuthengisa, kunye nokufakelwa kulula, kwayeInkqubo yemvelisokuncinci ukuba udibane neengxaki.
● Uqoqosho kwaye ulungile kwimveliso yobuninzi.
● Ukukhetha okufanelekileyo kwiicebo olwelo olusezantsi.
Izicelo:
● Iikhalo ezisisiseko zisebenzisa i-PCBS ye-Wamber.
● Iirediyo, ezinjengee-alamu ze-alamu ezinamaxabiso asezantsi kwiivenkile zentengiso jikelele, zihlala zisebenzisa i-PCBS ye-Waker.
● Oomatshini bekofu bahlala besebenzisa i-pcbs ye-chaphaza enye.
● Ezinye izixhobo zekhaya zisebenzisa i-PCBS ye-Maker.
3-2. I-picb ye-picker
I-PCB ye-PCBER PCB inezingqala ezimbini zokubekwa kobhedu kunye ne-suble therment phakathi.Izintozibekwe kumacala omabini eBhodi, yiyo loo nto ikwabizwa ngokuba yi-PCB esecaleni. Zenziwa ngokudibanisa iingcango ezimbini zobhedu kunye nezixhobo ze-diecric phakathi, kunye necala ngalinye lobhedu linokudlulisela imiqondiso eyahlukeneyo yombane. Zilungele ukusetyenziswa kwezicelo ezifuna isantya esiphezulu kwaye zifake ifakiting.
Iimpawu zombane zisasazwa phakathi kwezi zibini zobhedu, kwaye izinto ezibonakalayo eziphakathi kwazo zinceda ukuthintela ezi zimpawu ekuphazamiseni omnye komnye. I-PCB yePCB yeyona iBhodi yeSende yePhambili ixhaphakileyo nezoqoqosho.
I-plebs ye-Wiener-Winder ifana ne-PCB ye-PCB ye-Worting, kodwa ine-interming engaphakathi. Xa usebenzisa i-pcbs ye-picker ezimbini, umaleko weDiecric uprecker kunezo zePCB ze-pps engatshatanga. Ukongeza, kukho ukubekwa kobhedu kumacala amabini aphezulu nangaphantsi kwezinto ezizezinye. Ngapha koko, umphezulu ophezulu kunye nezantsi kweBhodi eseleyo igutyungelwe ngumthengisi ebandleni.
Umzobo wePCB ye-PCB ephindwe kabini ijongeka ngathi yisandwich ye-sandwich emithathu, enomngxunya ophakathi omele i-Deectric, imitya emdaka emele ubhedu, kwaye ezantsi emele ubhedu.
Izibonelelo:
● Uyilo oluguqukayo luyenza ilungele izixhobo ezahlukeneyo.
● Ubume beendleko eziphantsi ezenza ukuba kube lula ukuveliswa kwesininzi.
● Uyilo olulula.
Ubungakanani obuncinci bulungele izixhobo ezahlukeneyo.
Izicelo:
I-PCBS ye-PCS ye-Winder ilungele uluhlu olubanzi lwezixhobo ezilula nezintsonkothileyo. Imizekelo yezixhobo ezivelisiweyo ezivelisiweyo ezibandakanya i-PCS ephindwe kabini ibandakanya:
● Iiyunithi ze-HVAC, indawo yokufudumeza kunye neenkqubo zokupholisa ezivela kwiimpawu ezahlukeneyo zonke zibandakanya iibhodi zesekethe eziprintiweyo eziprintiweyo.
● I-Amplifiers, i-PCS ephindwe kabini ixhotywe ngeeyunithi ze-Amplimier ezisetyenziswa ziimvumi ezininzi.
● Abashicileli, iindidi ezahlukeneyo zekhompyuter zixhomekeke kwi-PCB ye-PCBS ephindwe kabini.
3-3. I-tcb ye-picker ezine
Ibhodi yesekethe eyi-4 yibhodi yesiphaluka eprintiweyo enezingqengqelo zine: ephezulu, ezimbini zangaphakathi, kunye nezantsi. Zombini ii-Inner Lawers ziyinto ephambili, isetyenziswa njengesixhobo okanye inqwelomoya, ngelixa iindawo ezingaphandle eziphezulu kunye nezantsi zisetyenziselwa ukubeka izinto kunye nemiqondiso.
Iileyithi zangaphandle zihlala zigutyungelwe ligosa elimelana nomaleko ngeepads eziveza ukubonelela ngeendawo zokubeka indawo yokudibanisa izixhobo eziphezulu kunye nezakhiwo zokungena. Ngokusebenzisa imingxunya isetyenziselwa ukubonelela ngonxibelelwano phakathi kwezingqengqelo zine, ezaliswe kunye ukwenza ibhodi.
Nantsi iqhekeza laba bantu:
-Umbeko 1: Ungqimba ongezantsi, ngesiqhelo senziwe ngobhedu. Isebenza njengesiseko sebhodi yesekethe, sibonelela ngenkxaso kwezinye iindawo.
-Umbeko 2: Ungqimba lwamandla. Kuthinjwe ngale ndlela kuba ibonelela ngamandla acocekileyo nezizinzileyo kuwo onke amacandelo kwiBhodi yeSiphaluka.
-Umbeko 3: Ungqimba lwenqwelomoya, osebenza njengoMthombo woMhlaba kuwo onke amacandelo kwiBhodi yeSiphaluka.
-Umbeko 4: Umaleko oPhezulu osetyenziselwa imiqondiso yokutsala kunye nokubonelela ngamanqaku onxibelelwano lwamacandelo.
Kwindlela yokuyila ye-4-Wiker PCB, umkhondo we-4 wobhedu wahlukaniswe yimigca emi-3 ye-diectric yangaphakathi kwaye itywinwe phezulu kwaye ezantsi kunye nabaphathi bayamelana. Ngokwesiqhelo, imithetho yoyilo ye-4-Wiker iboniswa kusetyenziswa i-9 imibala kunye nemibala emi-3-i-brown ye-Coreper, i-Grey ye-Coreper, i-Preyrred, kwaye iluhlaza kwiThuphi iNtlalontle ixhathise.
Izibonelelo:
● Ukuqina - i-Cheab ye-Winer ye-Winer iqukuqela ngaphezu kwe-sub-raider kunye neebhodi ze-mbini.
● Ubungakanani be-compact-uyilo oluncinci lwe-pcbs ye-windows ezine inokulingana uluhlu lwezixhobo ezahlukeneyo.
● Ukuguquguquka - i-PCB ye-Winder Meyide inokusebenza kwiindidi ezininzi zezixhobo ze-elektroniki, kubandakanya ezona zilula nezintsonkothileyo.
● UKHUSELEKO-ngokulungelelanisa ngokufanelekileyo amandla kunye nee-factors eziphantsi, i-chember ye-Wiener capbs inokuphazamiseka kwi-electromagnetic.
● Isixhobo esincinci-Izixhobo ezixhotyiswe nge-CHSS ye-Winder ezine ifuna i-wiring yangaphakathi, ngoko ke ziyakhanya ubunzima.
Izicelo:
● Iinkqubo zesatellite - i-PCS ye-Prindi-Weider ixhotywe kwi-satellite.
● Izixhobo zokukhutshelwa ngesandla - ii-smartphones kunye neetafile zihlala zixhotyiwe nge-chember ye-forble.
● Izixhobo zokuqhutywa kwendawo-Izixhobo zeSekethe ezininzi eziprintiweyo zibonelela ngamandla kwizixhobo zokuhlola izithuba.
3-4. I-6 yePCB yePCB
I-6-FUBER PCB yibhodi ye-4-Wiker eneendawo ezimbini ezongeziweyo zongezwa phakathi kweenqwelomoya. I-stacking ye-6 yePCB iquka iindawo ezi-4 zokuhamba (zimbini zangaphandle kwaye zimbini ngaphakathi) kunye ne-2 iinqwelomoya (enye i-ower).
Ukubonelela ngee-2 zeemboleko zangaphakathi kwimiqondiso ephezulu kunye nee-2 zangaphandle zezantya eziphantsi zezantya eziphezulu zokuphazamiseka kwe-EMI (i-electromagnetic). I-EMI ngamandla emiqondiso ngaphakathi kwezixhobo ze-elektroniki eziphazanyiswa yimitha okanye ingeniswa.
Kukho amalungiselelo ngamalungiselelo ahlukeneyo e-stacking ye-6-Wible, kodwa inani lamandla, isiginitsha, kunye nolwakhiwo olusetyenzisiweyo luxhomekeke kwiimfuno zesicelo.
Umgangatho we-6I-PCB STACKUPincludes top layer - prepreg - internal ground layer - core - internal routing layer - prepreg - internal routing layer - core - internal power layer - prepreg - bottom layer.
Nangona olu lumiselo olusemgangathweni, lunokungalungeli kubo bonke ubuyilo lwe-PCB, kwaye kunokuba yimfuneko ukuba uphinde uphinde ubeke uluhlu okanye ube neendawo ezithile. Nangona kunjalo, ukusebenza ngempumelelo kunye nokuncitshiswa kwe-crostalk kufuneka kuthathelwe ingqalelo xa uzibeka.
Izibonelelo:
● Amandla - i-supbs ye-Wieds inkulu kunamagqabi abo aqengqelekayo kwaye ke ngokomelela ngakumbi.
● Ukucamngca-Iibhodi ezinemigangatho emithandathu yobunzima inamazakhono aphezulu kwaye unokutya ububanzi obuncinci.
● Umthamo ophezulu - umda we-3 okanye ngaphezulu kwi-PCBS ibonelela ngamandla afanelekileyo kwizixhobo ze-elektroniki kwaye unciphise kakhulu ukuba i-crossulk kunye nokuphazamiseka kwe-electromagnetic.
Izicelo:
● Iikhompyuter - iikhompyuter ezi-6 zanceda ukuqhuba ukukhula ngokukhawuleza kweekhompyuter zakho, zibenza babe necompact, bakhanya, ngokukhawuleza.
● Ukugcinwa kwedatha-Umthamo ophezulu wePCBS ye-Winder ye-6 yenze izixhobo zokugcina zedatha zikhula kakhulu kule minyaka ilishumi idlulileyo.
● Iinkqubo zealarm zomlilo - zisebenzisa iibhodi zesekethe ezi-6 okanye ezingaphezulu, iinkqubo ze-alam ziba zichaneke nangakumbi ngalo mzuzu wokuchonga ingozi yokwenyani.
Njengoko inani leengqengqelo kwiBhodi yeSiphaluka eliprintiweyo linyuka ngaphaya kweNgcali yesine nelesithandathu, imilambo yobhedu esebenzayo kunye ne-dielecrict yongezwa kwi-stackup.
Umzekelo, i-PCB ye-Wibir ye-8 ye-Wight iqulethe iindiza ezine kunye nezimbo zomqondiso ezine-ezisibhozo zizonke eziqhagamshelwe ngemiqolo yesixhenxe yezinto ezibonakalayo. I-stackup ye-stack itywinwe itywiniwe i-Deectric Mask Lawers ngaphezulu nangaphantsi. Eyona nto ibalulekileyo, i-stacking ye-pwb ye-pcb ye-pcb ifana ne-6, kodwa ngesibini esongezwe yikholam ye-Copper kunye ne-Perpred.
I-Shenzhen Anke PCB CO., LTD
2023-6-17
I-Post Ixesha: Jun-26-2023
