Khipha inkululeko yokuklama ngamabhodi esekethe aphrintiwe avumelana nezimo Funda ukuthi amabhodi esekethe aphrintiwe avumelana nezimo (PCBs) aguqula kanjani ukwakheka kwe-elekthronikhi nekhono lawo lokwamukela amasekhethi amakhulu ezindaweni ezincane. Valelisa emikhawulweni yamabhodi esekethe aqinile futhi wamukele amathuba anikezwa ama-PCB aguquguqukayo. Ama-PCB aguqukayo, aziwa nangokuthi ama-PCB avumelana nezimo, anikeza abaklami nonjiniyela izinzuzo ezingenakuqhathaniswa. Ngokuhlukana nemikhawulo yamaphaneli aqinile, anikeza inkululeko enkulu yokudala kanye nokuguquguquka kokuklama. Sezihambile izinsuku zefomu lokufaka engozini ngomsebenzi, njengoba ama-PCB aguquguqukayo enza abaklami bomkhiqizo bakwazi ukubeka phambili ubuhle nokusebenza.Onjiniyela bakagesi banezinketho ezimbili eziqondile uma kuziwa ekukhetheni i-PCB engakwazi ukuzivumelanisa nezimo futhi igobe endaweni: ama-PCB aguquguqukayo kanye nama-PCB aguquguquka kancane. Uhlobo ngalunye lunikeza izici ezihlukile kanye nezinzuzo ukuze zivumelane nezidingo zokuklama ezahlukene kanye nezinhlelo zokusebenza. Ake sihlole umehluko omkhulu phakathi kwalezi zinhlobo ezimbili ze-PCB futhi sihlole uhla lwazo olubanzi lwezinhlelo zokusebenza kumishini kagesi yesimanje.
Izwa izinzuzo ze-PCB eguquguquka kancane:
Zitholele ukusebenza okungenakuqhathaniswa kwamabhodi wesekethe aphrintiwe kancane (ama-PCB) bese uthatha imiklamo yakho ye-elekthronikhi uyiyise kwelinye izinga.Lahla imikhawulo yama-PCB endabuko aguquguqukayo futhi wamukele ubuchwepheshe obuphambili bama-PCB avumelana nezimo. Okwenza ama-PCB aguquguquke kancane ahluke kozakwabo be-PCB abaguquguqukayo isakhiwo sawo esithuthukisiwe. Ngokungafani nama-PCB aguquguqukayo, akhiqizwa kuma-substrates efilimu ye-polymer eguquguqukayo, ama-PCB aguquguquka kancane afinyelela amazinga amasha okuqina nokuqina. Ngokuhlanganisa amaphethini esekethe amasha abe yi-substrate eqinile futhi aqiniswe ngezinto zokuqhuba kanye nezingubo zokuvikela, lawa mabhodi ahlanganisa okuhle kakhulu kwemihlaba yomibili. Lo mklamo oguquguqukayo awuqinisekisi kuphela ukuguquguquka kodwa futhi nokuqina okungenakuqhathaniswa, okuvumela ibhodi ukuthi ligobe kalula futhi lisetshenziswe ngaphandle kwengozi yokulimala. Vula ubuhlakani bakho futhi usebenzise amathuba angapheli anikezwa ama-PCB avumelana nezimo. Thuthukisa ukwakheka komkhiqizo wakho nokusebenza ngamabhodi esekethe ajwayelana nanoma imuphi umumo noma i-contour kuyilapho egcina amazinga aphezulu okuthembeka nokuqina. Ikusasa ledizayini ye-elekthronikhi manje - yiba ngowokuqala ukuzwa izinzuzo zama-PCB avumelana nezimo.
Sethula i-PCB eguquguquka kancane eshintsha igeyimu – inhlanganisela ephelele yokuguquguquka nokunemba.Ngokungafani nama-PCB aqinile, lobu buchwepheshe obusezingeni eliphezulu buvumela ukuguquguquka ezindaweni eziqokwe ngokucophelela, ukuqinisekisa ukusebenza kahle nokuthembeka. Ama-PCB aguquguquka kancane angagotshwa futhi akheke ngendlela efanele ukuze afanele umumo nama-engeli owafisayo, ngakho-ke thola amathuba angapheli. I-infographic engezansi ikhombisa ngokubonakalayo umqondo ongajwayelekile wale PCB eqanjiwe. Hlola ikusasa ledizayini nobunjiniyela ngamakhono angenakuqhathaniswa wama-PCB aguquguquka kancane.
Sethula i-PCB yethu eguquguquka kancane eguquguqukayo - ilungele labo abafuna ibhalansi phakathi kokuguquguquka nokuzinza.Ama-PCB ethu avumelana nezimo ahlala efana nama-PCB endabuko aqinile kodwa anikeza ukuqina okuphakeme ngaphezu kwezindawo eziguquguqukayo ezikhethiwe. Sisebenzisa amasu athuthukile njengokuthi “ukugaya ukujula okulawulwayo” noma “ukugaya” ukwenza izinto ezinembayo ukuze zibe mncane ngokucashile okokusebenza kwe-FR4, kuyenze ibe mncane kakhulu futhi iguquke. Ukwengeza, ukwelashwa kwethu kwethiphu kuqinisekisa ukuthi ingxenye eguquguqukayo ivikelekile emifantwini, okuvumela ukugoba okungenamthungo ngenkululeko enkulu. Izwa okungcono kakhulu kwemihlaba yomibili ngama-PCB ethu ashintsha igeyimu, aklanyelwe ukweqa okulindele.
Funda mayelana nendlela yethu emisha yama-PCB aguquguquka kancane kusetshenziswa amalaminate amancane.Ngama-laminates azacile kakhulu anogqinsi oluyi-0.005 mil kuphela, sithuthukise inqubo ukuze ihambisane kahle nezinhlelo zokugoba ezimile. Ukuze uthole ukuqina okungeziwe nokuvumelana nezimo sincoma ukusebenzisa i-RA (roll annealed) ucwecwe lwethusi, ekhethwe ngokukhethekile ukuze imelane nokuqhekeka futhi inikeze ukuguquguquka okuqine ngempela. Izwa ukwethembeka nokusebenza kwezinga elilandelayo ngama-PCB ethu aphezulu aguquguquka kancane.
Thatha ithuba lama-PCB ethu asezingeni eliphezulu aguquguquka kancane futhi aguquguqukayo ukuze ahlangabezane nezidingo zakho zedizayini.Ngena kumehluko oyinhloko wama-PCB aguquguquka kancane aklanyelwe ukuletha ukusebenza okungenakuqhathaniswa. Ngokungafani nama-PCB endabuko aguquguqukayo akwazi ukumelana nokugoba inqwaba ngaphandle kokulimala, ama-PCB aguquguquka kancane anamandla okugoba alinganiselwe. Ukugoba okuphindaphindiwe kungase kubangele ukuqhekeka noma ukuphuka, kuyenze ifaneleke ezinhlelweni zokufaka ezigobile. Kodwa-ke, amabhodi amaningi aguquguquka kancane asengakwazi ukumelana nokugoba okuningi ukuze afakwe ngaphandle kokukhathazeka nokunakekelwa okuzayo. Vele uqiniseke ukuthi i-PCB ayigobi ngokweqile ukuze unciphise noma iyiphi ingozi engaba khona yomonakalo. Izwa ingqikithi yokuguquguquka nokuthembeka ngama-PCB ethu asezingeni eliphezulu.
Zitholele izinzuzo ezingapheli ezinikezwa ama-PCB ethu aguquguqukayo ashintshashintshayo, enzelwe amakhasimende ethu.
Ngamandla ayo aphezulu okonga isikhala, ama-PCB avumelana nezimo angalungiselelwa kalula izindawo eziqinile, njengamabhodi aguquguqukayo.Goba ngaphandle komthungo futhi uqondise lawa mabhodi ngesikhathi sokufakwa ukuze afake kalula amabhodi amakhulu ezindaweni ezihlangene. Qiniseka, ama-PCB ethu avumelana nezimo aklanywe ngokwethembeka okungantengantengi ukuqinisekisa ukuthi imiklamo yakho isebenza ngokungenasici. Izwa inhlanganisela yokugcina yokonga isikhala nokuthembeka okuphezulu ngama-PCB ethu asezingeni eliphezulu.
Qinisekisa ikhwalithi ngenkathi uhlala kubhajethi ngama-PCB ethu athuthukile aguquguquka kancane.Valelisa ezindlekweni ezikhuphukayo ezihlobene namabhodi esekethe aguquguqukayo, ngoba ama-PCB ethu avumelana nezimo angaletha ukonga kwezindleko okubalulekile okuzokugcina umomotheka yonke indlela eya ebhange. Uyazibuza ukuthi sikuthola kanjani ukuguquguquka okumangazayo ngaphandle kokusebenzisa imali eningi? Ngokunciphisa ngobuhlakani ukujiya kwezinto ze-FR4 sisebenzisa ubuchwepheshe bethu bokugaya obujulile obulawulwa ngochwepheshe, sikhiqiza ingxenye yebhodi evumelana nezimo ngezindleko eziphansi kakhulu. Asikho isidingo sokukhathazeka ngokuwohloka kokusebenza, noma - ama-PCB ethu avumelana nezimo aqinisekisa ukuqina nokuthembeka okungenakuqhathaniswa. Nakuba siqonda ukuthi ikhono lokugoba le-PCB eguquguqukayo lingase libaluleke kakhulu kwezinye izimo, kubathengi abaqaphela izindleko njengawe, kunengqondo ukusebenzisa ama-PCB ethu angabizi kakhulu avumelana nezimo noma nini lapho kunokwenzeka. Thuthukisa imiklamo yakho, wandise ukonga izindleko futhi ubuse ngezixazululo zethu ze-PCB eziguquguqukayo ezisezingeni eliphakeme.
Yiba uchwepheshe ekuklameni ama-PCB athuthuke kakhulu futhi athembekile aguquguquka kancane ngomhlahlandlela wethu obanzi.
Siyazi ukuthi ukukhiqiza ama-PCB ekhwalithi ephezulu, ahlala isikhathi eside aguquguquka kancane kungabonakala kuwumsebenzi onzima, kodwa ungakhathazeki! Silapha ukuze sikuqondise kule nqubo futhi sikunikeze ulwazi lwangaphakathi mayelana nemikhuba ehamba phambili.Imithetho yethu ehlolwe isikhathi izoqinisekisa ukuthi imiklamo yakho ayihlangani nje kuphela kodwa idlule izindinganiso zemboni zokuqina nokwethembeka. Kungakhathaliseki ukuthi ungunjiniyela kagesi onolwazi olunzulu noma isazi sokuzilibazisa se-novice, ukugcina le mithetho evamile engqondweni kuzokwenza lula idizayini yakho ye-PCB eguquguquka kancane futhi kukuqondise empumelelweni. Ungakujwayeli ubuncane - vula amandla aphelele emiklamo yakho futhi unqobe imakethe ngemihlahlandlela yethu enconywe uchwepheshe.
Umthetho owodwa obalulekile ngaphezu kwayo yonke eminye: ingxenye yebhodi eguquguqukayo kufanele igcine isiqondiso esisebenzayo esihambisana nendiza engu-X noma engu-Y. Ukuthatha ubungozi bokwakha ibhodi elinezindawo eziguquguqukayo kuzikhombisi-ndlela zika-X kanye no-Y kuza nezindleko eziphakeme ngoba kudinga izinyathelo ezengeziwe zokukhiqiza.Ngokunamathela kulesi simiso esiyisisekelo, ungonga imali futhi wenze lula ukukhiqiza, uqinisekisa ukuthi ama-PCB akho awagcini nje ngokuguquguquka kodwa futhi angabizi. Ungayekethisi kwikhwalithi noma uphule ibhange - gcina umklamo wakho ugxile endleleni eyodwa yokusebenza ukuze ukhulise ukusebenza kahle futhi unciphise izindleko. Amakhasimende akho azokwazisa ukusebenza kanye nentengo yamabhodi wakho omama asetshenziswe kahle.
Emhlabeni othokozisayo wedizayini ye-PCB eguquguquka kancane, ukubekwa kwengxenye yembobo kuwukhiye wempumelelo. Ukunemba kufanele kugcinwe futhi kulandelwe umthetho owodwa wegolide: lkhipha okungenani imilimitha eyodwa yokuvula phakathi kwanoma yiziphi izimbobo zengxenye ku-PCB kanye nendawo eguqukayo. Ngokulandela lesi siqondiso esihlakaniphile, uzovuna izinzuzo eziningi. Ungaqinisekisa ukuthi i-PCB yakho ihlala iguquguquka, yehlisa ubungozi bokulimala noma ukwehluleka. Ukwengeza, lesi sikhala esicophelelayo sivumela ukukhiqiza nokuhlanganisa inqubo ebushelelezi, okonga isikhathi nezinsiza. Ngakho-ke ungavumeli idizayini yakho ibe mfushane - hlanganisa lo mthetho wesithupha bese udala i-PCB eguquguquka kancane engenzi nje kuphela ngokungenasici, kodwa futhi ehlaba amakhasimende akho umxhwele ukuqina nokusebenza kahle kwayo.
Qaphela, abaklami abathandekayo! Kubalulekile ukwakha isu lesakhiwo sebhodi ukuze kuzuzwe inqubo eyodwa yokugaya ehlinzeka ngezinto ezi-FR4 ezacile ngokuphelele zezindawo eziguqukayo.Amaphasi amaningi awumsebenzi oyingozi futhi angethula izixhumanisi ezibuthakathaka ezingabangela inkinga lapho kugoba ibhodi ngesikhathi sokufakwa noma ukulungiswa. Indlela yethu emisha iqinisekisa imiphumela engenamthungo neqinile, iqeda noma yiziphi izinkathazo futhi inikeze okuhlangenwe nakho okungenakukhathazeka. Themba ubuhlakani bethu bokuletha umklamo wezinga eliphezulu oqinisekisa ukusebenza nokuba lula.
Zitholele ikhambi eliphelele lezidingo zakho zebhodi lesifunda - ama-PCB avumelana nezimo!
Idizayinelwe izimo lapho ukugoba kudingwa kuphela ukufakwa nokugcinwa kwesikhathi eside.Yamukela ukuguquguquka kwazo ezinhlelweni zokusebenza lapho isikhala siphezulu kakhulu. Nokho, uma ingxenye egobile yebhodi kulindeleke ukuthi ibe ngaphansi kwengcindezi eguquguqukayo, ungakhathazeki! Khetha i-PCB eguquguqukayo enokuguquguquka okungenakuqhathaniswa. Unganeliseki ngokuncane uma kuziwa ekuthembekeni - yenza ukukhetha okufanele kwephrojekthi yakho ngemikhiqizo yethu ehamba phambili.
Hlola anhlobonhlobo okusebenza okunokwenzeka kwama-PCB aguquguquka kancane njengoba enika amandla izimboni kusukela kwezezimoto kuya kumishini yezimboni kuya kwezokuphepha zikagesi.Kunezici eziningi okufanele uzicabangele lapho unquma ibhodi lesifunda elifanelekile lephrojekthi yakho. Kufanele ucabangele isikhala esitholakalayo, izinga lokucindezeleka elibekwe ebhodini, ukusebenza okushisayo okudingekayo, futhi-ke, isabelomali sakho. Ukukhetha kahle uhlobo lwe-PCB kubalulekile ukuze kuqinisekiswe ubunjiniyela obuphumelelayo nokukhiqizwa okungenasici kwemikhiqizo ye-elekthronikhi. Ukuze uthole ukujula okwengeziwe ngamakhono amangalisayo ezinhlobo zethu ze-PCB, zizwe ukhululekile ukusithinta. Simagange ukukusiza zonke izinyathelo zohambo lwakho.
Isikhathi sokuthumela: Sep-12-2023
Emuva
