Iindaba
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Iindidi PCB pads
1. I-square pad Idla ngokusetyenziswa xa amacandelo ebhodi eprintiweyo zikhulu kwaye zimbalwa, kwaye umgca oshicilelweyo ulula. Xa usenza i-PCB ngesandla, ukusebenzisa le pad kulula ukufikelela kwi-2.Round pad Isetyenziswe ngokubanzi kwiibhodi eziprintiweyo ezinecala elinye kunye namacala amabini, iinxalenye zicwangciswe rhoqo ...Funda ngokugqithisileyo -
I-Counterbore
Imingxunya yokubala igrunjwa kwibhodi yesekethe ngenaliti yokukrola intloko ecaba okanye imela yegong, kodwa ayinakugqojozwa (okt, isiqingatha semingxuma). Inxalenye yotshintsho phakathi kodonga lomngxuma kwindawo engaphandle / enkulu yomngxuma idiameter kunye nodonga lomngxuma kweyona diameter incinci yomngxuma ingqamene ne...Funda ngokugqithisileyo -
Yintoni indima yoluhlu lwezixhobo kunye nePCB?
Kwinkqubo yokuvelisa iPCB, kukho enye inkqubo ebalulekileyo, oko kukuthi, isixhobo soluhlu. Ugcino lomphetho wenkqubo lubaluleke kakhulu kulungiso lweziqephu ze-SMT ezilandelayo. Uluhlu lwezixhobo yinxalenye eyongeziweyo kumacala omabini okanye kumacala amane ebhodi yePCB, ikakhulu ukunceda i-SMT p...Funda ngokugqithisileyo -
Intshayelelo ye-Via-in-Pad:
Intshayelelo ye-Via-in-Pad: Kuyaziwa ukuba i-vias (VIA) inokwahlulwa ibe yipleyiti ngomngxuma, umngxuma oyimfama kunye nomngxuma we-vias, onemisebenzi eyahlukeneyo. Ngophuhliso lweemveliso ze-elektroniki, i-vias idlala indima ebalulekileyo ekudibaneni kwe-interlayer yesekethe eprintiweyo ...Funda ngokugqithisileyo -
Uyilo lwe-DFM lwesithuba sokwenza i-PCB
Isithuba sokhuseleko lombane sixhomekeke ikakhulu kumgangatho wefektri yokwenza iipleyiti, edla ngokuba yi-0.15mm. Enyanisweni, inokuba isondele ngakumbi. Ukuba isekethe ayihambelani nomqondiso, okoko nje kungekho sekethe emfutshane kwaye yangoku yanele, umsinga omkhulu ufuna i-wiring ebanzi ...Funda ngokugqithisileyo -
Iindlela ezininzi zokuHlola ze-PCBA Board Short Circuit
Kwinkqubo yokusetyenzwa kwetshiphu ye-SMT, isekethe emfutshane yinto eqhelekileyo yokuqhuba kakubi. Ibhodi yesekethe ye-PCBA ejikelezayo emfutshane ayinakusetyenziswa ngokuqhelekileyo. Oku kulandelayo yindlela yokuhlola eqhelekileyo yesekethe emfutshane yebhodi yePCBA. 1. Kucetyiswa ukuba usebenzise i-short circuit positi...Funda ngokugqithisileyo -
Uyilo lokwenziwa komgama wokhuseleko lombane we-PCB
Kukho imithetho yoyilo yePCB emininzi. Oku kulandelayo ngumzekelo wesithuba sokhuseleko lombane. Ukusetwa komgaqo wombane yibhodi yesekethe yoyilo kwi-wiring kufuneka ihambisane nemithetho, kubandakanya umgama wokhuseleko, isekethe evulekileyo, isethingi yesekethe emfutshane. Ukumiselwa kwezi parameters kuyakuchaphazela...Funda ngokugqithisileyo -
Iziphene ezilishumi zenkqubo yoyilo lwebhodi yesekethe yePCB
Iibhodi zesekethe ze-PCB zisetyenziswa ngokubanzi kwiimveliso ezahlukeneyo ze-elektroniki kwihlabathi lanamhlanje eliphuhlileyo. Ngokutsho kwamashishini ahlukeneyo, umbala, imilo, ubungakanani, umaleko, kunye nezinto zeebhodi zesekethe zePCB zahlukile. Ke ngoko, ulwazi olucacileyo luyafuneka kuyilo lwesetyhula yePCB...Funda ngokugqithisileyo -
Uthini umgangatho we-PCB warpage?
Ngapha koko, i-PCB warping ikwabhekisa ekugobeni kwebhodi yesekethe, ebhekisa kwibhodi yesekethe yokuqala. Xa ibekwe kwi-desktop, iziphelo ezimbini okanye umbindi webhodi zivela kancinci phezulu. Le nto yaziwa ngokuba PCB warping kushishino. Ifomula yokubala i...Funda ngokugqithisileyo -
Zeziphi iimfuno inkqubo welding laser kuyilo PCBA?
1.Design for Manufacturability of PCBA Uyilo manufacturability of PCBA ikakhulu usombulula ingxaki assemblability, kwaye injongo kukuphumeza eyona ndlela imfutshane inkqubo, izinga lokupasa iphezulu soldering, kunye nexabiso eliphantsi imveliso. Umxholo woyilo ubandakanya ikakhulu: ...Funda ngokugqithisileyo -
Uyilo lokwenziwa koyilo lwePCB kunye neengcingo
Ngokumalunga nokuhlelwa kwe-PCB kunye nengxaki ye-wiring, namhlanje asiyi kuthetha ngohlalutyo lwengqibelelo yomqondiso (SI), uhlalutyo lokuhambelana kwe-electromagnetic (EMC), uhlalutyo lwentembeko yamandla (PI). Ukuthetha nje malunga nohlalutyo lwe-manufacturability (DFM), uyilo olungekho ngqiqweni lokwenziwa kokwenziwa luya ku ...Funda ngokugqithisileyo -
Uqhubekeko lwe-SMT
Ukusetyenzwa kwe-SMT luluhlu lwenkqubo yeteknoloji yokusetyenzwa ngokwesiseko sePCB. Ineenzuzo zokuchaneka okuphezulu kunye nesantya esikhawulezayo, ngoko yamkelwe ngabavelisi abaninzi be-elektroniki. Inkqubo yokwenziwa kwetshiphu ye-SMT ibandakanya ikakhulu isikrini sesilika okanye ukukhupha iglu, ukunyuswa okanye...Funda ngokugqithisileyo
