Imigangatho yokuhlanganisa i-PCB ye-IPC-A-610: Isikhokelo esipheleleyo soLawulo loMgangatho kwiMveliso ye-Elektroniki

Yintoni i-IPC-A-610?

I-IPC-A-610, ekwaziwa ngokuba ngumgangatho we-Acceptability of Electronic Assemblies', sisikhokelo esibanzi esipapashwe yi-IPC (Institute of Printed Circuits). Ibonelela ngemigangatho yokudibanisa iibhodi ze-elektroniki, ijongana nemiba ebalulekileyo efana nomgangatho wokutywina, ukubekwa kwezixhobo, kunye nokuhlanganiswa ngokubanzi. Yaziswa okokuqala ngo-1984, i-IPC-A-610 ibe ngumgangatho wegolide we Indibano yePCBumgangatho kwihlabathi liphela, usebenza njengesalathiso kubavelisi ukuvelisa izixhobo ze-elektroniki ezithembekileyo nezisebenza kakuhle.

Kwicandelo le-elektroniki, uyilo lwe-PCB olukhawulezayo idlala indima ebalulekileyo ekuqinisekiseni ukusebenza kakuhle kweenkqubo ezahlukeneyo, ukusuka kunxibelelwano kunye nekhompyutha ukuya kwizixhobo zeemoto kunye ne-IoT. Ii-PCB ezikhawulezayo, ezenzelwe ukuphatha imiqondiso kumaza angaphezu kwe-1 GHz, kufuneka zihlangabezane nemigangatho engqongqo yokuthembeka kwesignali, ukuthembeka kwamandla, kunye nokuhambelana kwe-electromagnetic (EMC) ukuze kufezekiswe ukusebenza kakuhle. Esi sikhokelo sihlola izinto ezibalulekileyo zoyilo lwe-PCB olukhawulezayo, sigxininisa imingeni kunye namaqhinga empumelelo.

I-IPC-A-610 Inqanaba 1

Inqanaba 1 kwi-IPC-A-610 lelona nqanaba lisisiseko, elijolise kakhulu kwi-elektroniki yabathengi apho ixabiso liyinto ebalulekileyo. Kweli nqanaba, umgangatho ufuna ukubonakala okubonakalayo okwamkelekileyo kwiindawo zokudibanisa kunye nokubekwa kwamacandelo kodwa uvumela iziphene ezithile ezinokuthi zingachaphazeli ukusebenza kwemveliso yokugqibela. Ingqwalasela apha kukunciphisa iindleko zemveliso ngelixa kuqinisekiswa ukuba indibano ihlangabezana nomgangatho ophantsi womgangatho.

I-IPC-A-610 Inqanaba lesi-2

Inqanaba lesi-2 lisetyenziswa rhoqo kwizicelo zoshishino, zorhwebo, nezomkhosi apho ukuthembeka kwe-PCB kubalulekile. Libeka iimfuno ezingqongqo zezixhobo kunye namalungu e-solder, ukuqinisekisa ukuba i-PCB isebenza kakuhle kwiindawo ezahlukeneyo. Eli nqanaba liqinisekisa ukuba imveliso egqityiweyo iya kusebenza njengoko kulindelekile kwizicelo ezifuna amandla naphantsi kweemeko zokusebenza ezinzima ngakumbi.

Izicelo eziqhelekileyo zeNqanaba lesi-2 le-IPCIzicelo eziqhelekileyo zeNqanaba lesi-2 le-IPC

Eli candelo lihlola amashishini kunye namacandelo apho imigangatho yeNqanaba lesi-2 isebenza khona kakhulu, njengeenqwelo-moya, iimoto, oomatshini bemizi-mveliso, kunye nonxibelelwano. La macandelo afuna ukuthembeka okuphezulu, ukubekwa kwezixhobo ngokuchanekileyo, kunye neziphene ezincinci.

I-IPC-A-610 Inqanaba 3

Imigangatho yeNqanaba lesi-3 isetyenziswa kumacandelo anzima kakhulu, afana nemikhosi, i-aerospace, kunye ne-elektroniki zorhwebo ezisebenza kakuhle. Eli nqanaba lifuna ukuhlanganiswa okuphantse kube ngokugqibeleleyo, kunye neenkqubo zokuhlola nokuvavanya ezingqongqo. Nakuphi na ukuphambuka kumgangatho kunokubangela ukungaphumeleli, ngoko ke kubalulekile kwiimveliso eziza kusetyenziswa kakhulu, njengezixhobo zonyango, izixhobo zomkhosi, kunye neenkqubo zonxibelelwano eziphezulu.

Ii-applications eziqhelekileyo ze-IPC-A-610 Level 3

Ikhompyutha esebenza kakuhle, iisathelayithi, izixhobo ze-elektroniki zonyango, kunye neenkqubo zokhuselo zimizekelo ephambili apho imigangatho yeNqanaba lesi-3 ibaluleke kakhulu. La mashishini afuna inqanaba eliphezulu lokuthembeka nokuchaneka.

Kutheni umahluko phakathi kwe-IPC-A-610 Level 1, 2, kunye ne-3 ungeniswa?kwi?

Umahluko ophambili phakathi kwala manqanaba ukwimeko yobunzima beziphene ezivumelekileyo kunye neemfuno zomgangatho wecandelo. Inqanaba loku-1 lelezixhobo ze-elektroniki zabathengi, apho ixabiso liyinkxalabo ephambili. Inqanaba lesi-2 leleemveliso ezithembekileyo ngakumbi kwizicelo zoshishino nezorhwebo, ngelixa inqanaba lesi-3 liqinisekisa ukuba ukuhlanganiswa kuyahlangabezana nemigangatho ephezulu yeenkqubo ezibalulekileyo. Ukuqonda la mahluko kubalulekile kubavelisi ukuba balungelelanise iinkqubo zabo zemveliso nolindelo lomgangatho olufunekayo.

Ngowuphi umgangatho we-IPC-A-610 ofanelekileyo kakhulu kwindibano yokugqibela ye-PCB?

Ukukhetha inqanaba kuxhomekeke kwisicelo semveliso. Kwizixhobo ze-elektroniki zabathengi, iNqanaba loku-1 linokwanela. Nangona kunjalo, kwizicelo ezibaluleke kakhulu kwimizi-mveliso yeenqwelo-moya, ukhuselo, kunye nezonyango, iNqanaba lesi-3 le-IPC-A-610 liyimfuneko ukuqinisekisa umgangatho ophezulu kunye nemigangatho yokusebenza.

Iimfuno zokuThengisa Ngokwe-IPC-A-610

Ukutywina yenye yezona nyathelo zibalulekileyo ekuhlanganiseni iiPCB. Umgangatho we-IPC-A-610 unika isikhokelo esipheleleyo malunga nokutywina iibhodi zesekethe ezisebenzisa imingxunya, ezifakelwa kumphezulu, kunye netekhnoloji exutyiweyo. Ukunamathela kule migangatho kuqinisekisa ukuba uqhagamshelo luqinile kwaye luthembekile, nto leyo esisiseko sazo zonke iinkqubo zokuhlola amaqabane e-solder kunye neenkqubo zokulawula umgangatho.

Ukwakheka kweSolder Joint:
Ukuqinisekisa ukuba iindawo zokutywina ezifanayo nezihambelanayo kuyo yonke into esetyenzisiweyo kubalulekile ekufezekiseni amandla ombane nawoomatshini. I-solder kufuneka imanzise ngokupheleleyo i-pad kunye neendawo ze-lead ukuze kuthintelwe iziphene eziqhelekileyo ezifana nee-voids okanye ii-solder bridges. Ukwakheka ngokuchanekileyo kwe-solder joint yeyona njongo iphambili yokuhlolwa kwe-IPC-A-610 solder joint, okwenza kube ngundoqo ekuqinisekiseni ukuthembeka.

• I-Solder Joint Fillet:
  Imiphetho yejoyinti yesolder kufuneka igudileyo kwaye igobe, itshintshele ngokwemvelo ukusuka kwisikhongozeli secandelo ukuya kwi-PCB pad. Ubukho beefillets ezigudileyo nezifanayo kubalulekile kwiintambo eziqinileyo zoomatshini nezombane. Nakuphi na ukungalungi kungaba luphawu lokugalelwa kwesolder okungafanelekanga, okunokuchaphazela ukusebenza kunye nokuthembeka kwemveliso yokugqibela.
• Imilo edibeneyo yeSolder
  Ubume obufanelekileyo bejoyinti yesolder buxhomekeke kubuchwepheshe obusetyenzisiweyo. Kwiteknoloji edlula emngxunyeni, ijoyinti yesolder kufuneka ibe nomfanekiso webhereli ozalisa ngokupheleleyo umngxunya. Kwiteknoloji yokufaka umphezulu (SMT), ijoyinti kufuneka ibe nomfanekiso ogobileyo kancinci, othe tyaba. Ubume obufanelekileyo buqinisekisa ukuba ijoyinti inokusingatha imisinga yombane efunekayo kunye noxinzelelo loomatshini.
• Ucoceko lweSolder Joint
  Emva kokutywina, ucoceko lubalulekile. Iindawo zokutywina kunye neendawo ezingqongileyo kufuneka zingabi nazintsalela zeflux, inkunkuma, okanye naziphi na ezinye izinto ezingcolisayo. Ezi zinto zingcolisayo zinokubangela ukugqwala okanye ii-short circuits ngokuhamba kwexesha, nto leyo ekhokelela ekungasebenzini. Ukuqinisekisa ukuba i-PCB ihlanganiswe kakuhle yeyona mfuneko iphambili yomgangatho we-IPC-A-610 ukuze ihlale ithembekile ixesha elide.
• Amandla eSolder Joint
  Okokugqibela, amalungu e-solder kufuneka abe namandla ngokwaneleyo ukumelana noxinzelelo loomatshini ngaphandle kokuqhekeka okanye ukuqhekeka. Naziphi na iintanda ezibonakalayo okanye ukwaphuka kunokubonisa unxibelelwano olubuthathaka, kwaye indibano isenokungasebenzi phantsi kweemeko zokusebenza. I-IPC-A-610 idwelisa ukuthembeka koomatshini njengemfuneko esisiseko yokuqinisekisa ixesha elide kunye nokusebenza kwendibano.
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Iimfuneko zokucoca ngokwe-IPC-A-610

Ukucocwa ngokuchanekileyo kunye nokufakwa kwezixhobo ze-elektroniki kubalulekile ukuze zihlale ixesha elide kwaye zithembeke. Umgangatho we-IPC-A-610 unika izikhokelo ezicacileyo zokukhusela i-PCB kwiingozi zokusingqongileyo emva kokuhlanganiswa. Ngokulandela le migaqo, imveliso inokugcina ukusebenza kwayo okusemgangathweni, nokuba yeyiphi na iteknoloji esetyenziswayo.

• Iimfuneko zokuCoca i-PCBA
  Emva kokutywina, kubalulekile ukucoca ngokupheleleyo izinto ezisetyenzisiweyo ukuze kususwe iintsalela zeflux eziyingozi kunye nezinye izinto ezingcolisayo. Indlela yokucoca ekhethiweyo kufuneka isuse ngokufanelekileyo izinto ezingcolisayo ngaphandle kokonakalisa izinto ezisetyenzisiweyo okanye i-PCB substrate. Inkqubo yokucoca kufuneka ihlangabezane neemfuno zococeko lwe-IPC-A-610 ukuthintela ukugqwala okanye ukungasebenzi kakuhle kombane, ukuqinisekisa ukuthembeka kwexesha elide kwemveliso.
• Iimfuno zePCBA Coating:
  Umaleko we-conformal coating udla ngokusetyenziswa ukukhusela izinto ezivela kumswakama, uthuli, kunye nokuvezwa ziikhemikhali. Xa kuhlolwa i-conformal coating, kubalulekile ukuqinisekisa ukuba umaleko usasazwe ngokulinganayo, ngaphandle kwemingxuma, amaqamza, okanye iziphene. Olu phawu lokukhusela lubaluleke kakhulu kwizixhobo ezisebenza kwiindawo ezinzima okanye ezingaqinisekanga.
• Ubukhulu be-PCBA Coating:
  Ubukhulu bengubo ehambelanayo yiparameter ebalulekileyo. Kufuneka yanele ukubonelela ngokhuseleko oluqinileyo, kodwa kungabi bukhulu kakhulu kangangokuba bungaphazamisani nokusebenza kwezixhobo. Ubukhulu obufanelekileyo kufuneka bulinganiswe ngezixhobo ezifanelekileyo ukuqinisekisa ukuba buhlala ngaphakathi koluhlu olwamkelekileyo lokusetyenziswa kwemveliso.
• Izixhobo zokugquma ze-PCBA:
  Ukukhetha izinto zokugquma kubalulekile. Kufuneka zihambelane nezinto ezisetyenziswayo kunye nendawo ezijonge ukusetyenziswa kuyo. Ukuba kukhethwe izinto ezingalunganga, oku kungonakalisa ukusebenza kwemveliso okanye kukhokelele ekungaphumelelini. Soloko uqinisekisa ukuba izinto ezikhethiweyo ziyaxhasa ukusebenza kunye nokuthembeka kwemveliso yokugqibela.
• Iimfuneko zokuMakisha nokuLebhelisha
• Ukubhala iilebheli nokuphawula ngokuchanekileyo kubalulekile ekuchongeni nasekulandeleleni iinxalenye kunye neendibano. Ukuze ulawulo lomgangatho olusebenzayo nokuqinisekisa ukulandeleka kwixesha elizayo, kufuneka iilebheli ezicacileyo nezihlala ixesha elide. Umgangatho we-IPC-A-610 uchaza izikhokelo ezithile zokubhala iinxalenye iilebheli.
• Ukumakishwa kweCandelo:
  Yonke icandelokufuneka ibe nokuchonga okucacileyo nokusisigxina, ukuqinisekisa ukuba kulula ukuchongwa nokulandelwa. Iilebhile zezixhobo kufuneka zibekwe kwiindawo ezibonakalayo kwaye zifundeke kakuhle ukuze zihlolwe, zigcinwe, kwaye zilandeleke. Iilebhile zinokubandakanya iinombolo zezixhobo, iikhowudi zenguqulelo, kunye nolunye ulwazi olufanelekileyo.
• Ukumakishwa kwePCB engenanto:IiPCB ezingenanto kufuneka zibe neemaki zokuchonga ezicacileyo nezisisigxina. Ezi maki zingabandakanya iinombolo zeenxalenye, iikhowudi zenguqulelo, okanye iinombolo zelothi ukuze kube lula ukulandeleka. Ezi maki kufuneka zibonakale kwaye zifikeleleke kuzo zombini iindlela zokuvelisa kunye nolawulo lomgangatho.
• Ukuchongwa kokugqibela kweNdibano:
  Indibano yokugqibela kufuneka iphawulwe ngesazisi esahlukileyo (umz., iinombolo ze-serial) ukuqinisekisa ukulandeleka kwemveliso kumjikelo wayo wobomi. Ezi mpawu mazibekwe kwindawo ebonakalayo kwimveliso egqityiweyo kwaye mazifundeke lula kwaye zihlale zihleli.
• Ukumakishwa kweSikhundla kunye nokuQhelaniswa:
  Kubalulekile ukuba indawo kunye nolwalathiso lwezixhobo ziphawulwe ngokucacileyo kwi-PCB ukuze kuthintelwe iimpazamo zokudibanisa. Umgangatho we-IPC-A-610 ugxininisa ukubaluleka kwezi mpawu ukuqinisekisa ukubekwa kunye nolwalathiso olufanelekileyo lwezixhobo ngexesha lokudibanisa.

Abavelisi beNdibano yePCB ePhambili abaHlanganisa iMigangatho ye-IPC-A-610 Level 2/3

Njengeqabane elithembekileyo kwindibano ye-elektroniki ekumgangatho ophezulu, iRichfulljoy inamathela ngokungqongqo kwimigangatho yokwamkelwa ye-IPC-A-610 Level 2/3 ukuqinisekisa ukuba zonke iinkqubo zendibano ye-PCB ziyahlangabezana neemfuno ezingqongqo zomgangatho kunye nokuthembeka, zihlangabezana neemfuno zakho zesicelo ezifuna ukwenziwa. Sinikezela ngeenkonzo zendibano ye-PCB ezihambelana ne-IPC, sinikezela ngokulandelela okupheleleyo kunye nokuqinisekiswa komgangatho kwiiprojekthi zakho ezifuna ukwenziwa.

Yonke inkqubo yethu yokuvelisa ilandela imigangatho ye-IPC, oko kuthetha ukuba iinkqubo zethu zokuhlanganisa ziyahambelana nemigangatho ye-IPC-A-610 Level 2 kunye ne-3, kwaye iinkqubo zethu zokuvelisa ze-PCB ziyahambelana nemigangatho ye-IPC-A-600. Sinikezela ngeenkonzo zokuvelisa ze-elektroniki ezisebenza umjikelo opheleleyo, kuquka:

• Uhlolo lwe-DFM: Ukuhlolwa koyilo lwasimahla lokwenziwa ngaphambi kokuba kwenziwe.
• Ukuveliswa kwePCB: Imveliso yePCB esemgangathweni ophezulu.
• Ukufunyanwa kweCandelo: Ukuthengwa kwezinto ezisemgangathweni ophezulu nezilandelekayo.
• Indibano yokuthembeka okuphezulu: Iinkonzo ezipheleleyo zokuhlanganisa ezigxile ekuqineni nasekusebenzeni kakuhle.
• Uvavanyo lokugqibela kunye nokuhlolwa: Ukuqinisekisa ukuba yonke imveliso ifikelela kwimigangatho ephezulu yomgangatho.

Sineziqinisekiso ze-ISO 9001, ROHS, REACH, kunye ne-UL, siqinisekisa ukuba iinkqubo zethu ziyahambelana nemigangatho yeshishini lamazwe ngamazwe. Ukususela ekuthengweni kwecandelo ukuya ekuhlanganisweni kokugqibela kunye novavanyo, sinikezela ngeenkqubo ezilandelekayo nezisemgangathweni ophezulu eziqinisekisa iimveliso ze-PCB ezithembekileyo.

Imibuzo Eyongezelelekileyo Ebuzwa Rhoqo malunga ne-IPC-A-610 PCB Assembly

1. Kutheni i-IPC-A-610 Level 3 ingqongqo ngakumbi kuneLevel 2?
   Umahluko phakathi kweNqanaba lesi-2 neNqanaba lesi-3 usekelwe kukubaluleka kwemveliso. Iimveliso zeNqanaba lesi-3 zibaluleke kakhulu ebomini, apho naluphi na ukusilela kunokukhokelela kwimiphumo emibi. Ngenxa yoko, imigangatho yamalungu e-solder, ukulungelelaniswa kwamacandelo, kunye neziphene zokubona zingqongqo ngakumbi kwiNqanaba lesi-3 ukuqinisekisa ukuba imveliso isebenza ngokugqibeleleyo phantsi kweemeko ezinzima.
2. Yintoni umahluko omkhulu phakathi kwe-IPC-A-610 kunye ne-IPC-A-600?)
   I-IPC-A-600 igxile kwimigangatho yomgangatho wee-PCB ezingenanto, igubungela izinto ezifana nemikhondo yobhedu kunye nobukhulu bokugquma. Ngokwahlukileyo koko, i-IPC-A-610 isebenza kwindibano yokugqibela, ijongana nokutywinwa, ukubekwa kwecandelo, kunye novavanyo lombane.
3. Yintoni umahluko phakathi kwe-IPC-A-610 kunye ne-IPC-J-STD-001?)
   I-IPC-J-STD-001 ichaza izixhobo kunye neenkqubo ezifunekayo ukuphuhlisa izinto ezinokuthenjwa, ngelixa i-IPC-A-610 isebenza "njengomgangatho obonakalayo" wokuvavanya umgangatho wokugqibela wokuhlanganiswa. Ziyahambelana kodwa zigxila kwiinkalo ezahlukeneyo zenkqubo yemveliso.
4. I-IPC-A-610 iyichaphazela njani indlela esebenza ngayo imveliso yeenkqubo zokuhlanganisa iiPCB?
   I-IPC-A-610 iqinisekisa ukuhambelana nokuthembeka kwindibano yokugqibela, inciphisa iziphene kwaye iphinde isebenze. Ngokulandela imigangatho ecacileyo yokutywina, yokuhlola, kunye nokuvavanya, abavelisi banokwenza lula iinkqubo zabo kwaye banciphise ixesha lokungasebenzi, ekugqibeleni baphucule ukusebenza kakuhle kwemveliso.
5. I-IPC-A-610 inceda njani abadibanisi be-PCB ukunciphisa amazinga okuphinda basebenze?
   Ngokubonelela ngezikhokelo ezineenkcukacha zokuhlolwa ngokubonakalayo kunye nokuqinisekisa iindlela ezifanelekileyo zokutywina, i-IPC-A-610 inciphisa iziphene ezidla ngokufuna ukulungiswa ngokutsha. Ukulandela le migangatho kunceda ekuchongeni iingxaki ezinokubakho kwasekuqaleni kwenkqubo, kunciphisa amathuba okulungiswa kwakhona okubiza kakhulu kunye nokulungiswa.
6. Ngaba kukho iimfuno ezithile ze-IPC-A-610 zokudibanisa okuzenzakalelayo?
   Ewe, i-IPC-A-610 ibandakanya izikhokelo ezithile zeenkqubo zokuhlanganisa ngokuzenzekelayo. Umzekelo, ijongana nemiba efana nomgangatho wejoyinti yesolder kunye nokuchaneka kokubekwa kwecandelo xa kusetyenziswa izixhobo ezizenzekelayo, iqinisekisa ukuba iinkqubo ezizenzekelayo ziyahlangabezana nemigangatho efanayo yomgangatho ophezulu njengokuhlanganisa ngesandla.
7. Ingasetyenziswa njani imigangatho ye-IPC-A-610 ngokuchanekileyo kwindibano ye-PCB eneziteya ezininzi?
   Kwiindibano zePCB ezinee-multilayer, ubunzima buyanda ngenani leeleya kunye noqhagamshelo olungena kwimingxunya. Imigangatho ye-IPC-A-610 iqinisekisa ukuba iibhodi ezinee-multilayer zihlolwa ukwakheka okufanelekileyo kwejoyinti ye-solder, ukubekwa kwecandelo, kunye noqhagamshelo lombane, ukuqinisekisa ukuba iibhodi zisebenza ngokuthembekileyo kwizicelo eziphambili.
8. Zithini imigangatho ye-IPC-A-610 yetekhnoloji yokupakisha ephucukileyo efana ne-BGA?
   I-IPC-A-610 ineekhrayitheriya ezithile zokuhlola iijoyinti ze-solder kwiiteknoloji eziphambili zokupakisha ezifana neBall Grid Array (BGA) kunye neChip-on-Board (COB). Ezi ziquka izikhokelo zokujonga ngokubonakalayo iijoyinti ze-solder ezifihlakeleyo kunye nokusetyenziswa kokuhlolwa kwe-X-ray ukubona iziphene ezinokubakho ezingabonakaliyo emehlweni.
9. I-IPC-A-610 ingawuphucula njani umgangatho weendibano ze-PCB ezisebenza rhoqo?
   I-IPC-A-610 iqinisekisa ukuba ii-PCB assemblies ezisebenza rhoqo zihlangabezana neemfuno ezingqongqo zomgangatho ngokugxila kwiindawo ezichanekileyo zokudibanisa i-solder, ukuphazamiseka okuncinci kwesignali, kunye nokusebenza kombane okuqinileyo. Ibonelela ngezikhokelo zokunciphisa iziphene ezifana neebridges zokudibanisa i-solder, ezinokuphazamisa ukuthembeka kwesignali kwizicelo ezisebenza rhoqo.
10. I-IPC-A-610 iluchaphazela njani ulawulo lobushushu kuyilo lwe-PCB?
    I-IPC-A-610 ichaphazela ngokungathanga ngqo ulawulo lobushushu ngokuqinisekisa ukuba amalungu e-solder kunye nokubekwa kwamacandelo kwenziwa ngokufanelekileyo. Amalungu afuna ukukhupha ubushushu ngokufanelekileyo kufuneka abekwe ngokuchanekileyo ukuze kuthintelwe uxinzelelo lobushushu, kwaye i-IPC-A-610 inika izikhokelo zokugcina ukuthembeka okufanelekileyo kwamalungu e-solder kunye nokulungelelaniswa kwamacandelo ukuqinisekisa ukusebenza okuthembekileyo kobushushu.
11. I-IPC-A-610 iyichaphazela njani inkqubo yokunyibilikisa i-solder engenalo ilothe?
    I-IPC-A-610 imisela iikhrayitheriya ezithile zomgangatho wejoyinti ye-solder nokuba kusetyenziswa i-solder engenalo i-lead okanye esekelwe kwi-lead. Inceda abavelisi ukuqinisekisa ukuba iinkqubo ze-solder ezingenalo i-lead zihlangabezana nemigangatho efanayo yokuthembeka, zijongana nemingeni efana namaqondo obushushu aphezulu e-solder kunye neempawu ezahlukeneyo zobushushu ze-solder ezingenalo i-lead.
12. Ngaba i-IPC-A-610 inika isikhokelo malunga novavanyo olusebenzayo emva kokuhlanganiswa kwe-PCB?
    Nangona i-IPC-A-610 igxile kakhulu ekuhlolweni okubonakalayo kunye nomgangatho weejoyinti ze-solder kunye nokubekwa kwamacandelo, ixhasa ngokungathanga ngqo uvavanyo olusebenzayo ngokuqinisekisa ukuba inkqubo yokuhlanganisa ayivezi iimpazamo eziya kuchaphazela ukusebenza kwebhodi. Abavelisi badla ngokusebenzisa uvavanyo olusebenzayo kunye nemigangatho ye-IPC-A-610 ukuqinisekisa ukuthembeka kwemveliso.
13. Iimfuneko zovavanyo lombane ezikhankanyiweyo kwi-IPC-A-610 kufuneka ziphathwe njani?
    I-IPC-A-610 igxininisa ukubaluleka kovavanyo lombane ukuqinisekisa ukuba i-PCB edibeneyo iyahlangabezana neemfuno zokusebenza. Uvavanyo lombane kufuneka lwenziwe kumanqanaba ahlukeneyo enkqubo yokuhlanganisa ukuze kuchongwe imiba efana neesekethe ezivulekileyo okanye iisekethe ezimfutshane, ukuqinisekisa ukuba zonke iimfuno zomsebenzi ziyafezekiswa ngaphambi kokuba imveliso yokugqibela ithunyelwe.