Amabhodi wesifunda aphrintiwe yizakhi ezidingekayo zamadivayisi kagesi amaningi. Ama-PC7 anamuhla anezendlalelo eziningana kubo: I-substrate, iminonjana, imaski ye-solst, kanye nesilika. Enye yezinto ezibaluleke kakhulu kwi-PCB yithusi, futhi kunezizathu eziningana zokuthi kungani ithusi lisetshenziswa esikhundleni samanye ama-alloys afana ne-aluminium noma i-tin.
Ayini ama-PCB?
Kuchazwe yinkampani yomhlangano we-PCB, ama-PCB enziwe ngento ebizwa nge-substrate, eyenziwe nge-fiberglass eqiniswa ne-epoxy resin. Ngaphezulu kwe-substrate kungqimba ye-foil yethusi engavunyelwa ezinhlangothini zombili noma eyodwa kuphela. Lapho nje i-substrate yenziwe, abakhiqizi babeka izakhi kulo. Basebenzisa imaskhi yomthengisi kanye ne-silkscreen kanye nabasamelana nabameli, ama-capacitors, ama-diodors, ama-diodes, ama-chips wesekethe, nezinye izinto ezikhethekile kakhulu.
Kungani i-foil yethuli isetshenziswa kuma-PCB?
Abakhiqizi be-PCB basebenzisa ithusi ngoba linokuphakelayo kukagesi okuphezulu nokwenziwa okushisayo. Njengokuhamba kukagesi kwamanje kanye ne-PCB, ithusi ligcina ukushisa kungalimazi futhi kugcizelela yonke enye i-PCB. Ngamanye ama-alloys - njenge-aluminium noma i-tin - i-PCB ingashisa ngokungalingani futhi ingasebenzi kahle.
I-Copper yi-alloy ekhethwayo ngoba ingathumela amasiginali kagesi ebhodini ngaphandle kwezinkinga ezilahliwe noma zehlise ugesi. Ukusebenza kahle kokudluliswa kokushisa kuvumela abakhiqizi ukuthi bafake ukushisa okukhanyayo ebusweni. I-Copper ngokwayo isebenza kahle, njengoba i-ounce yethusi ingafaka i-skwele yama-PCB Substrate ngo-1.4 izinkulungwane zama-intshi noma ama-35 aminyene.
I-Copper iyaqhutshwa kakhulu ngoba ine-elektroni yamahhala engahamba isuka kwelinye i-athomu liye kwelinye ngaphandle kwehlise. Ngoba ihlala isebenza kahle kuleso sigaba esincanyana kakhulu njengoba isebenza emazingeni aphezulu, ithusi elincane lihamba ibanga elide.
I-Copper nezinye izinsimbi eziyigugu ezisetshenziswa kuma-PCB
Abantu abaningi babona ama-PCB njengokuluhlaza. Kepha, zivame ukuba nemibala emithathu engqimba olungaphandle: igolide, isiliva, nokubomvu. Futhi bane-Copper emsulwa ngaphakathi nangaphandle kwe-PCB. Ezinye izinsimbi ebhodini lesekethe zivela ngemibala ehlukahlukene. Ingqimba yegolide ibiza kakhulu, isendlalelo sesiliva sinezindleko zesibili eziphakeme kakhulu, kanti obomvu yilendlalelo ebizayo.
Usebenzisa igolide lokucwilisa ku-PCBS
I-Copper ebhodini lokujikeleza eliphrintiwe
Ungqimba lwegolide elinezimbobo lusetshenziselwa izixhumi ze-phrapnel kanye namaphakethe engxenye. Ungqimba lwegolide lokucwilisa lukhona ukuvimbela ukuhanjiswa kwama-athomu angaphezulu komhlaba. Isendlalelo akuyona igolide kuphela ngombala, kepha yenziwa ngegolide langempela. Igolide lincane kakhulu kepha lanele ukunweba isikhathi sokuphila sezakhi ezidinga ukuthengiselwa. Igolide livimbela izingxenye zo-solder kusuka ku-corlode ngokuhamba kwesikhathi.
Usebenzisa isiliva yokucwilisa kuma-PCB
Isiliva kungenye insimbi esetshenziswa ekukhiqizeni i-PCB. Kubiza kakhulu kunokucwiliswa igolide. Ukucwiliswa kwesiliva kungasetshenziswa endaweni yokucwiliswa yegolide ngoba kuyasiza nokuxhumana, futhi kunciphisa izindleko zeBhodi. Ukucwiliswa kwesiliva kuvame ukusetshenziswa kuma-PCB asetshenziswa ezimotweni nasezimotweni zamakhompiyutha.
I-Copper Clad Laminate kuma-PCB
Esikhundleni sokusebenzisa ukucwiliswa, ithusi lisetshenziselwa efomini le-clad. Le yisendlalelo esibomvu se-PCB, futhi iyinsimbi esetshenziswa kakhulu. I-PCB yenziwa ngethusi njengensimbi eyisisekelo, futhi kuyadingeka ukuthola amasekethe ukuxhuma futhi ukhulume komunye nomunye ngempumelelo.
Isetshenziswa kanjani i-foil ye-copper kuma-PCB?
I-Copper inokusetshenziswa okuningana kuma-PCB, kusukela kwi-Copper-Clad Lamisate imisele. I-Copper ibalulekile kuma-PCB ukuze asebenze ngokufanele.
Yini umkhondo we-PCB?
Ukulandelela kwe-PCB yilokho okuzwakala kufana, indlela yesifunda okufanele ilandelwe. Umkhondo ufaka inethiwekhi yethusi, i-wiring, kanye nokufakelwa, kanye nemfucumfucu kanye nezinto ezisetshenziswa ebhodini.
Indlela elula yokuqonda umkhondo ukucabanga ngayo njengomgwaqo noma ibhuloho. Ukuhlalisa izimoto, umkhondo udinga ukwanele ngokwanele ukubambelela okungenani ezimbili zazo. Kudinga ukuba mnene ngokwanele ukuba ungawa ngaphansi kwengcindezi. Kudingeka futhi zenziwe ngezinto zokwakha ezizomelana nesisindo sezimoto ezihamba kulo. Kepha, iminonjana yenza konke lokhu ngezinga elincane kakhulu ukuhambisa ugesi kunemoto.
Izakhi ze-PCB Landela
Kunezakhi eziningana ezakha umkhondo we-PCB. Banemisebenzi ehlukahlukene okudingeka yenziwe ukuze ibhodi lenze umsebenzi walo ngokwanele. I-Copper kufanele isetshenziselwe ukusiza umkhondo ukwenza imisebenzi yazo, futhi ngaphandle kwe-PCB, ngeke sibe namadivayisi kagesi. Cabanga ngezwe elingenama-Smartphones, ama-laptops, abenzi bekhofi, kanye nezimoto. Yilokho esizoba naso uma ama-PCBS engazange asebenzise ithusi.
I-PCB Landela ukuqina
Idizayini ye-PCB incike ebuqilini beBhodi. Ubukhulu buzothinta ibhalansi futhi buzogcina izakhi ezixhumekile.
I-PCB Landelela Ububanzi
Ububanzi balo mkhondo nabo bubalulekile. Lokhu akuthinti ibhalansi noma okunamathiselwe kwezakhi, kepha kugcina ukudluliswa kwamanje ngaphandle kokushisa ngokweqile noma ukulimaza ibhodi.
I-PCB Landzelela okwamanje
I-PCB Landelela okwamanje iyadingeka ngoba yilokhu okusetshenziswa yiBhodi ukuhambisa ugesi ngezakhi nezintambo. I-Copper isiza lokhu kwenzeke, futhi i-elektroni yamahhala e-athomu ngalinye lithola ukuhamba kwamanje ngokushelela ngebhodi.
Kungani i-foil yethuli kuma-PCB
Inqubo yokwenza ama-PCB
Inqubo yokwenza i-PCB iyefana. Ezinye izinkampani zenza ngokushesha kunabanye, kepha bonke basebenzisa inqubo efanayo nezinto zokwakha. Lezi yizinyathelo:
Yenza isisekelo ngaphandle kwe-fiberglass nama-resins
Beka izingqimba zethusi esisekelweni
Khomba bese usetha amaphethini wethusi
Geza ibhodi kubhavu
Faka imaskhi ye-solder ukuvikela i-PCB
Fanekisela isikrini se-silkscreen ku-PCB
Beka futhi benzile abameli, amasekethe ahlanganisiwe, ama-capacitors, nezinye izinto
Hlola i-PCB
Ama-PCB adinga ukuba nezinto ezikhethekile kakhulu ukuze zisebenze kahle. Enye yezinto ezibaluleke kakhulu ze-PCB yithusi. Le alloy iyadingeka ukwenza ugesi kumadivayisi lapho ama-PCB azobekwa khona. Ngaphandle kwethusi, amadivaysi ngeke asebenze ngoba ugesi ngeke ube ne-alloy ukudlula.
Isikhathi sePosi: APR-25-2022