Iindaba
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Ukutshiza ngenkcenkce linyathelo kunye nenkqubo kwinkqubo yokuqinisekisa ye-PCB.
Ukutshiza ngenkcenkce linyathelo kunye nenkqubo kwinkqubo yokuqinisekisa ye-PCB.Ibhodi ye-PCB intywiliselwa kwidama elityhidiweyo le-solder, ukuze zonke iindawo eziveziweyo zobhedu zigqunywe nge-solder, kwaye i-solder engaphezulu ebhodini isuswe ngumsiki womoya oshushu.susa.Amandla e-soldering kunye nokuthembeka ...Funda ngokugqithisileyo -
PCB CNC
I-CNC ekwabizwa ngokuba kuthungelwano lwekhompyuter, iCNCCH okanye isixhobo somatshini weNC ngokwenene yiHongKong kukho ixesha, emva koko yaziswa eTshayina, i-pearl river delta ngumatshini wokusila we-CNC, kwaye kwenye indawo iya kubizwa ngokuba “yiziko lomatshini le-CNC” uhlobo lomatshini. ukuqhubekeka, yinkqubo entsha...Funda ngokugqithisileyo -
Imiba efuna ingqalelo kuyilo lwePCB
1. Injongo yoyilo lwePCB kufuneka icace.Kwimigca yemiqondiso ebalulekileyo, ubude be-wiring kunye nokucubungula i-loops yomhlaba kufuneka kube ngqongqo kakhulu.Ngesantya esisezantsi kunye nemigca yesignali engabalulekanga, inokubekwa kwindawo yokuqala ephantsi kancinane..Amacandelo abalulekileyo aquka: ulwahlulo lonikezelo lwamandla;...Funda ngokugqithisileyo -
PCB inkqubo edge
Umphetho wenkqubo yePCB ngumphetho webhodi ende engenanto esetelwe indawo yokuhanjiswa kwengoma kunye nokubekwa kwamanqaku okubekwa kwamanqaku ngexesha lokusetyenzwa kweSMT.Ububanzi bomphetho wenkqubo ngokubanzi malunga ne-5-8mm.Kwinkqubo yoyilo lwePCB, ngenxa yezizathu ezithile, umgama phakathi komphetho wecompo...Funda ngokugqithisileyo -
I-PCB yeZiThuthi zeHlabathi kunye neChina (iiBhodi zeSekethe eziShicileleyo) uPhononongo lweMarike
Uphando lwe-PCB yeemoto: ubukrelekrele bezithuthi kunye nokufakelwa kombane kuzisa imfuno yeePCBs, kwaye abavelisi bendawo beza ngaphambili.Ubhubhani we-COVID-19 ngo-2020 unciphise ukuthengiswa kwezithuthi kwihlabathi kwaye kukhokelele ekucuthekeni okukhulu kwesikali soshishino ukuya kwi-USD6,261 yezigidi.Kodwa ubhubhani othe chu uthe chu...Funda ngokugqithisileyo -
Ukungakhuseleki
Ukubonakaliswa kuthetha ukuba phantsi kwe-irradiation yokukhanya kwe-ultraviolet, i-photoinitiator ithatha amandla okukhanya kwaye ibole ibe yi-radicals yamahhala, kwaye i-radicals yamahhala iqalise i-photopolymerization monomer ukwenza i-polymerization kunye ne-crosslinking reaction.Ukuboniswa kudla ngokubakho...Funda ngokugqithisileyo -
Yintoni ubudlelwane phakathi kocingo lwePCB, ngomngxuma kunye nomthamo okhoyo wokuthwala?
Uqhagamshelo lombane phakathi kwamacandelo kwi-PCBA luphunyezwa ngocingo lwefoyile yobhedu kunye nemingxuma kwimaleko nganye.Uqhagamshelo lombane phakathi kwamacandelo kwi-PCBA luphunyezwa ngocingo lwefoyile yobhedu kunye nemingxuma kwimaleko nganye.Ngenxa yeemveliso ezahlukeneyo...Funda ngokugqithisileyo -
Ukuqaliswa komsebenzi womaleko ngamnye webhodi yesekethe yePCB enemigangatho emininzi
Iibhodi zeesekethe ezininzi zineentlobo ezininzi zeeleya ezisebenzayo, ezinje: umaleko okhuselayo, umaleko wesikrini sesilika, umaleko wesiginali, umaleko wangaphakathi, njl njl. Wazi kangakanani ngale maleko?Imisebenzi yomaleko ngamnye yahlukile, makhe sijonge ukuba yeyiphi imisebenzi yenqanaba ngalinye ...Funda ngokugqithisileyo -
Intshayelelo kunye nezinto eziluncedo kunye nokungeloncedo kwibhodi yeceramic PCB
1. Kutheni sebenzisa iibhodi zeesekethe ze-ceramic I-PCB eqhelekileyo idla ngokwenziwa ngefoyile yobhedu kunye ne-substrate bonding, kwaye i-substrate material ininzi ye-glass fiber (FR-4), i-phenolic resin (FR-3) kunye nezinye izinto, i-adhesive idla ngokuba yi-phenolic, epoxy. , njl njl. Kwinkqubo yePCB processing ngenxa yoxinzelelo lwe-thermal...Funda ngokugqithisileyo -
I-infrared + i-solder eshushu yokubuyisela umoya
Embindini we-1990s, kwakukho umkhwa wokutshintshela kwi-infrared + ukufudumeza komoya oshushu kwi-reflow soldering eJapan.Ifudunyezwa yimitha ye-infrared engama-30% kunye ne-70% yomoya oshushu njengothwala ubushushu.I-oven ye-infrared hot reflow oven idibanisa ngokufanelekileyo izibonelelo zokuphinda i-infrared kunye nokunyanzeliswa kwe-convection yomoya oshushu ...Funda ngokugqithisileyo -
Yintoni inkqubo yePCBA?
Ukusetyenzwa kwe-PCBA yimveliso egqityiweyo yebhodi ye-PCB engenanto emva kwe-SMT patch, iplagi ye-DIP kunye novavanyo lwe-PCBA, ukuhlolwa komgangatho kunye nenkqubo yokuhlanganisana, ebizwa ngokuba yi-PCBA.Iqela elithembisileyo lizisa iprojekthi yokusetyenzwa kumzi-mveliso wobuchwephesha wePCBA, emva koko ulinde imveliso egqityiweyo...Funda ngokugqithisileyo -
Etching
PCB ibhodi etching inkqubo, esebenzisa iinkqubo zemveli etching imichiza ukuze corrode iindawo ezingakhuselekanga.Uhlobo olufana nokugrumba umsele, indlela esebenzayo kodwa engasebenziyo.Kwinkqubo ye-etching, iphinda ihlulwe ibe yinkqubo yefilimu efanelekileyo kunye nenkqubo yefilimu engalunganga.Inkqubo entle yefilimu...Funda ngokugqithisileyo
