Kukho iintlobo ezininzi zeebhodi zeesekethe kwimarike, kwaye imimiselo yobuchwephesha yahlukile, phakathi kwayo ibhodi ye-fpc isetyenziswa kakhulu, kodwa abantu abaninzi abazi kakhulu malunga nebhodi ye-fpc, ngoko ibhodi ye-fpc ithetha ntoni?
I-1, ibhodi ye-fpc ikwabizwa ngokuba "ibhodi yesekethe eguquguqukayo", yenye yebhodi yesekethe eprintiweyo ye-PCB, luhlobo lokusetyenziswa kwezinto zokugquma njenge-substrate, njenge: ifilimu ye-polyimide okanye i-polyester, kwaye emva koko ngenkqubo ekhethekileyo eyenziwe ngebhodi yesekethe eprintiweyo. Ukuxinana kweengcingo zale bhodi yesekethe ngokuqhelekileyo kuphezulu, kodwa ubunzima buya kuba lula, ubukhulu buya kuba buncinci, kwaye bube nokusebenza kakuhle kokuguquguquka, kunye nokusebenza kakuhle kokugoba.
I-2, ibhodi ye-fpc kunye nebhodi ye-PCB ngumahluko omkhulu. I-substrate yebhodi ye-fpc ngokubanzi i-PI, ngoko inokugoba ngokungenasizathu, iguquguquke, njl., ngelixa i-substrate yebhodi ye-PCB ngokuqhelekileyo i-FR4, ngoko ayikwazi ukugoba ngokungqongqo kwaye iguqulwe. Ngoko ke, ukusetyenziswa kunye neendawo zokusetyenziswa kwebhodi ye-fpc kunye nebhodi ye-PCB nazo zahluke kakhulu.
I-3, ngenxa yokuba ibhodi ye-fpc inokugoba kwaye iguquguquke, ibhodi ye-fpc isetyenziswe ngokubanzi kwindawo efuna ukuguqulwa ngokuphindaphindiweyo okanye ukudibanisa phakathi kwamacandelo amancinci. Ibhodi ye-PCB iqinile, ngoko isetyenziswa ngokubanzi kwezinye iindawo apho kungafuneki ukuba igobe kwaye amandla anzima.
I-4, ibhodi ye-fpc ineenzuzo zobukhulu obuncinci, ubunzima obulula, ngoko inokunciphisa ngokufanelekileyo ubungakanani beemveliso ze-elektroniki incinci kakhulu, ngoko isetyenziswa ngokubanzi kushishino lwefowuni ephathwayo, ishishini lekhompyutha, imboni ye-TV, imboni yekhamera yedijithali kunye nezinye izinto ezincinci, ezinobunkunkqele bemveliso ye-elektroniki.
I-5, ibhodi ye-fpc ayinakugoba ngokukhululekileyo kuphela, kodwa inokuba nenxeba ngokungenasizathu okanye ihlanganiswe kunye, kwaye inokulungiswa ngokukhululekileyo ngokweemfuno zesakhiwo sendawo. Kwisithuba esine-dimensional emithathu, ibhodi ye-fpc nayo inokushukunyiswa ngokungekho mthethweni okanye i-telescoped, ukwenzela ukuba injongo yokudibanisa inokufezekiswa phakathi kocingo kunye nendibano yecandelo.
Zeziphi iifilimu ezomileyo zePCB?
1, iPCB enecala elinye
Isiseko seplate yenziwe ngephepha phenol copper laminated board (iphenol yephepha njengesiseko, ifakwe ngefoyile yobhedu) kunye nephepha le-Epoxy copper laminated board. Uninzi lwazo lusetyenziswa kwiimveliso zombane zasekhaya ezinje ngerediyo, izixhobo zombane ze-AV, izifudumezi, iifriji, oomatshini bokuhlamba, kunye noomatshini borhwebo abanje ngabashicileli, oomatshini bokuthengisa, oomatshini beesekethe, kunye nezinto zombane.
2, iPCB enamacala amabini
Izinto ezisisiseko ziyi-Glass-Epoxy copper laminated board, i-GlassComposite copper laminated board, kunye ne-paper Epoxy copper laminated board. Uninzi lwazo lusetyenziswa kwiikhompyuter zobuqu, izixhobo zoMculo ze-elektroniki, iifowuni ezisebenza ngeendlela ezininzi, oomatshini be-elektroniki bezemoto, iiperipherals zombane, iithoyi zombane, njl.
3, 3-4 umaleko PCB
Izinto ezisisiseko ziyi-Glass-Epoxy okanye i-benzene resin. Ikakhulu isetyenziswa kwiikhompyuter zobuqu, Me (i-elektroniki zonyango, i-elektroniki yezonyango) oomatshini, oomatshini bokulinganisa, oomatshini bokuvavanya i-semiconductor, oomatshini beNC (Ulawulo lwamanani, ulawulo lwamanani), ukutshintshwa kombane, oomatshini bonxibelelwano, iibhodi zesekethe yememori, amakhadi e-IC, njl.
4,6-8 umaleko PCB
Izinto ezisisiseko zisasekelwe kwi-GLASS-epoxy okanye kwi-Glass benzene resin. Isetyenziselwa ukutshintshwa kombane, oomatshini bokuvavanya i-semiconductor, iikhomputha zomntu ophakathi, i-EWS (i-EngineeringWorkStation), i-NC kunye nabanye oomatshini.
5, ngaphezu kwe-10 umaleko we-PCB
Isubstrate yenziwe ikakhulu ngeGlasi benzene resin, okanye iGLASS-epoxy njengesixhobo esinemigangatho emininzi sePCB substrate. Ukusetyenziswa kolu hlobo lwePCB kukhethekileyo, uninzi lwazo ziikhompyuter ezinkulu, iikhompyuter ezinesantya esiphezulu, oomatshini bonxibelelwano, njl.
6, ezinye PCB substrate imathiriyeli
Ezinye izinto ze-PCB substrate ziyi-aluminium substrate, i-iron substrate njalo njalo. Isekethe yenziwe kwi-substrate, ininzi yayo isetyenziswe kwi-turnaround (imoto encinci) imoto. Ukongeza, kukho i-PCB eguquguqukayo (i-FlexiblPrintCircuitBoard), isiphaluka senziwa kwi-polymer, i-polyester kunye nezinye izinto eziphambili, zingasetyenziswa njengomaleko omnye, i-double layer, kwi-multi-layer board ingaba. Le bhodi yesekethe bhetyebhetye ikakhulu isetyenziswa kwiindawo ezihambayo iikhamera, oomatshini OA, njl, kunye noqhagamshelo phakathi PCB nzima okanye udibaniso olusebenzayo uxhulumaniso phakathi PCB elukhuni kunye PCB ethambileyo, njengoko udibaniso udibaniso indlela ngenxa elasticity eliphezulu, imilo yayo yahlukene.
Ibhodi ye-Multi-layer kunye nepleyiti ye-TG ephakathi kunye nephezulu
Okokuqala, iibhodi zesekethe ze-PCB ezinamanqwanqwa amaninzi zisetyenziswa ngokubanzi kweziphi iindawo?
Iibhodi zesekethe ze-Multilayer PCB zisetyenziswa ngokubanzi kwizixhobo zonxibelelwano, izixhobo zonyango, ulawulo lwemizi-mveliso, ukhuseleko, i-automotive electronics, aviation, computer peripheral fields; Njengoko "amandla angundoqo angundoqo" kula macandelo, kunye nokwanda okuqhubekayo kwemisebenzi yemveliso, imigca exineneyo ngakumbi nangakumbi, iimfuno ezihambelanayo zeemarike zomgangatho webhodi nazo zinyuka kwaye ziphezulu, kwaye imfuno yomthengi kwiibhodi zesekethe ze-TG eziphakathi kunye eziphezulu zikhula rhoqo.
Okwesibini, ubuchule beebhodi zeesekethe ze-PCB ezininzi
Ibhodi ye-PCB eqhelekileyo iya kuba ne-deformation kunye nezinye iingxaki kumaqondo obushushu aphezulu, ngelixa iimpawu zoomatshini kunye nombane zinokuhla ngokukhawuleza, ukunciphisa ubomi benkonzo yemveliso. Intsimi yokusetyenziswa kwebhodi ye-PCB ye-multi-layer ifumaneka ngokubanzi kwi-teknoloji ephezulu, efuna ngokuthe ngqo ukuba ibhodi ibe nozinzo oluphezulu, ukumelana neekhemikhali eziphezulu, kwaye inokumelana nokushisa okuphezulu, ukufuma okuphezulu njalo njalo.
Ngoko ke, ukuveliswa kweebhodi ze-PCB ezininzi zisebenzisa iipleyiti ze-TG150 ubuncinane, ukwenzela ukuba kuqinisekiswe ukuba ibhodi yesekethe iyancitshiswa yimiba yangaphandle kwinkqubo yesicelo kwaye yandisa ubomi benkonzo yemveliso.
Okwesithathu, ukuzinza kohlobo lwe-TG ephezulu kunye nokuthembeka okuphezulu
Yintoni ixabiso le-TG?
Ixabiso le-TG: I-TG lolona bushushu liphezulu apho iphepha lihlala liqinile, kwaye ixabiso le-TG libhekiselele kwiqondo lokushisa apho i-polymer amorphous (kwakhona kubandakanywa nenxalenye ye-amorphous ye-crystalline polymer) utshintsho olusuka kwi-glassy state ukuya kwi-elastic state ephezulu (i-rubber state).
Ixabiso le-TG liqondo lobushushu elibalulekileyo apho i-substrate inyibilika ukusuka kokuqinileyo ukuya kulwelo lwerabha.
Inqanaba lexabiso le-TG lihambelana ngokuthe ngqo nokuzinza kunye nokuthembeka kweemveliso ze-PCB, kunye nexabiso eliphezulu le-TG yebhodi, ukuqina kozinzo kunye nokuthembeka.
Iphepha le-TG eliphezulu lineenzuzo ezilandelayo:
I-1) Ukumelana nobushushu obuphezulu, obunokunciphisa ukudada kweepads ze-PCB ngexesha lokunyibilika kwe-infrared, i-welding kunye nomothuko we-thermal.
I-2) I-coefficient yokwandisa i-thermal ephantsi (i-CTE ephantsi) inokunciphisa i-warping ebangelwa yimiba yobushushu, kunye nokunciphisa ukuphuka kobhedu kwikona yomngxuma obangelwa ukwanda kwe-thermal, ngokukodwa kwiibhodi ze-PCB ezineengqimba ezisibhozo okanye ngaphezulu, ukusebenza kwe-plated ngokusebenzisa imingxuma kungcono kuneebhodi ze-PCB ezinexabiso eliqhelekileyo le-TG.
I-3) Inokumelana neekhemikhali ezibalaseleyo, ukwenzela ukuba ibhodi ye-PCB ifakwe kwinkqubo yonyango emanzi kunye nezisombululo ezininzi zeekhemikhali, ukusebenza kwayo kusekho.