Ukuqonda i-Silkscreen ku-PCB: Umhlahlandlela Ophelele Wabakhiqizi be-PCB
PCB Silkscreen
Isingeniso
Ama-PCB akha ingqalasizinda ebalulekile yezinto zikagesi zesimanje, ehlinzeka ngenkundla yokuhlanganiswa nokuxhumana kwezingxenye ze-elekthronikhi. Nakuba ukusebenza nokusebenza kukagesi kwe-PCB kubaluleke kakhulu, ukukhanga kobuhle kanye nokufaneleka kolwazi ku-PCB kubaluleke ngokulinganayo. Yilapho ukusetshenziswa kwesikrini sikasilika kubaluleka khona. Kulo mhlahlandlela obanzi, sizongena sijule emhlabeni we-PCB silkscreen, sihlole ukubaluleka kwaso, izindlela zokuphrinta, ukucatshangelwa kwedizayini, nokunye okuningi.
Iyini i-Silkscreen ku-PCB?
Isikrini sikasilika kuma-PCB siwungqimba lokulandela uyinki olunezinjongo eziningi. Ihlanganisa amalebula ezingxenye ezihlukahlukene, njengamagama esixhumi, amanani aphikisayo kanye ne-capacitor, nolunye ulwazi, njengesihloko se-PCB, inombolo yomjikelezo wokukhiqiza we-PCB, inombolo ye-serial ye-PCB, inombolo yendawo yephaneli ye-PCB, ukuhlukahluka kwengxenye, nezindawo zamaphoyinti okuhlola. , okwenza kube lula ukulandeleka kwe-PCB. Lesi sendlalelo sivame ukusetshenziswa ohlangothini lwengxenye yebhodi lesifunda eliphrintiwe, nakuba lingasetshenziswa futhi ohlangothini lwe-solder uma kudingeka.
Ngaphandle kwezinzuzo zaso ezingokoqobo, isikrini sikasilika siphinde sibe nomsebenzi obonakalayo. Ingahlanganisa izici zokubeka uphawu, amalogo enkampani, nezici zokuhlobisa ukuze kuthuthukiswe ukubukeka kwayo yonke i-PCB, iyenze ikhange nakakhulu futhi ibe sezingeni eliphezulu. Uyinki osetshenziselwa isendlalelo sesikrini sikasilika ngokuvamile uwuyinki we-epoxy ongaqhubeki otholakala ngemibala eyahlukahlukene njengomnyama, omhlophe, obomvu, oluhlaza okwesibhakabhaka, nokuphuzi.
Isikrini sesilika siyisici esibalulekile somklamo we-PCB futhi sidlala indima ebalulekile ekusebenzeni kwamasekethe kagesi. Kungakhathaliseki ukuthi kuyisekethe eyinkimbinkimbi eklanywe unjiniyela noma iphrojekthi elula ehlanganiswe ngumuntu othanda izinto zokuzijabulisa, isikrini sesilika sisiza ekuhlanganiseni nasekuxazululeni inkinga yesekethe ngempumelelo. Sibekwe njengengqimba ephezulu kakhulu ye-PCB futhi sisebenza njengereferensi yokubekwa kwezingxenye, sinikeza ulwazi olubalulekile ngesikhathi senqubo yokuhlanganisa i-PCB . Uyinki osetshenziselwa ukuphrinta isikrini sesilika kuma-PCB wenziwe ngokukhethekile ngama-resin amelana nokushisa namakhemikhali ukuze amelane nezinqubo zokusonta nokuhlanganisa.
I-PCB iyisikrini sikasilika
Izindlela zokusebenzisa i-PCB Silkscreen
Ukukhetha indlela yesikrini sikasilika kuncike ezintweni ezihlukene, okuhlanganisa isikhathi, izindleko, impahla, ukunemba okudingekayo, nokuhlukanisa ibhodi. Lapha, sethula izindlela ezintathu ezivame ukusetshenziswa zokuphrinta isikrini se-PCB.
Ukuphrinta kwesikrini okwenziwa ngesandla nokuzenzakalelayo
Ukuphrinta isikrini okwenziwa ngesandla kuthathwa njengendlela endala futhi engabizi kakhulu yokuphrinta isikrini sikasilika se-PCB. Kule nqubo, uyinki we-epoxy usetshenziswa ngesandla ku-laminate usebenzisa i-stencil, bese yomiswa ukuze kuzuzwe umbono oyifunayo ku-PCB. Enye inzuzo ephawulekayo yale ndlela yizidingo zayo zokusetha ezilula, okuyenza ibe ukukhetha okukhethwa kukho ezinhlelweni eziningi. Nokho, ifaneleka kangcono osayizi bebhodi abakhulu ngenxa yosayizi wombhalo omkhulu ohlotshaniswa nayo, edinga isikhala esanele ukuze umbono wome kahle. Uma ukunciphisa izindleko nokuhlukaniswa kwebhodi kungesona isithiyo, ukuphrinta kwesikrini okwenziwa ngesandla kuyancomeka.
I-Liquid Photo imaging (LPI)
Ukuthwebula izithombe eziwuketshezi kuhlanganisa ukumboza i-laminate nge-epoxy, enezinto zokuthwebula izithombe. Umklamo wesikrini sikasilika ube usudluliselwa ebhodini ngokuwuveza ekukhanyeni kwe-ultraviolet nge-photomask. I-LPI ikhiqiza ukunemba okuphezulu uma kuqhathaniswa nokuphrinta kwesikrini okwenziwa ngesandla futhi idinga isikhala esincane sokuqalisa. Nokho, idla uyinki owengeziwe nesikhathi sokusetha. Lapho ubeka phambili ukongiwa kwesikhala se-PCB futhi uzuza imiphumela emihle, ukuthwebula izithombe eziwuketshezi kuyindlela yokukhetha.
I-Direct Legend Printing (DLP)
Ukuphrinta kwe-legend eqondile kusebenzisa amaphrinta we-inkjet ukuze adlulisele uyinki ngokuqondile kuma-PCB, afana namaphrinta wephepha. Le ndlela ivumela ukuphrinta okuqondile kwemininingwane yesicelo se-CAD ebhodini. Inikeza ukunemba okuphezulu nokusebenza kahle kwesikhathi, ngomthamo wobude bombhalo obuncane obungamayintshi angu-0.02. Nokho, kubalulekile ukugwema ukusebenzisa ubude bombhalo obungaphansi kwamayintshi angu-0.02 njengoba kungase kube nzima ukukufunda. I-DLP ayiwafanele ama-PCB enziwe ngezinto zesiliva, futhi kungase kube nemingcele ekusetshenzisweni kweyinki ye-acrylic ezimweni ezithile.
Ukuqhathaniswa kwamasu we-Silkscreen
| I-Silkscreen Technique | Ukuphrinta Isikrini Mathupha | I-Liquid Photo imaging (LPI) | I-Direct Legend Printing (DLP) |
|---|---|---|---|
| Inqubo | Inqubo eyenziwa ngesandla usebenzisa i-stencil kanye ne-squeegee ukufaka uyinki | Inqubo yezithombe kusetshenziswa i-emulsion ye-photosensitive kanye nokuchayeka kwe-UV | Ukuphrinta kwe-Inkjet ngqo ku-PCB |
| Ukwenza kahle hle | Ukunemba okulingene | ngokunemba High | ngokunemba High |
| Resolution | Ukulungiswa okunomkhawulo | Isinqumo esiphezulu | Isinqumo esiphezulu |
| kushuba | Idinga umqhubi onekhono | Idinga imishini ekhethekile kanye nezinqubo zamakhemikhali | Idinga iphrinta ye-inkjet ehambisanayo nesofthiwe |
| Ukuphumelela kwesikhathi | Isivinini esimaphakathi | Ijubane eliphakathi nendawo | Ijubane eliphezulu |
| Izindleko Zokusetha | ongaphakeme | Kuphakathi kuya phezulu | Lokulingene |
| Ikhono Lokuphakama Kombhalo | Lokulingene | Kuhle kakhulu | Kuhle kakhulu |
| Ukuhambelana | Isebenza ngezinto ezihlukahlukene ze-PCB nezinhlobo zikayinki | Isebenza ngezinto ezihlukahlukene ze-PCB nezinhlobo zikayinki | Ingase ibe nemikhawulo ngezinto ezithile ze-PCB nezinhlobo zikayinki |
| yizinhlobonhlobo | Ifanele ukukhiqizwa kwevolumu ephansi kuya emaphakathi | Ifanele ukukhiqizwa kwevolumu ephakathi ukuya phezulu | Ifanele ukukhiqizwa kwevolumu ephansi kuya emaphakathi |
| I-Aesthetics | Ingakwazi ukukhiqiza imiphetho emangele kancane | Ingakhiqiza imiphetho ebukhali futhi enembile | Ingakhiqiza imiphetho ebukhali futhi enembile |
| Ukuphazamiseka Kwengxenye | Amathuba okuphazamiseka uma kungaqondanisiwe ngokucophelela | Ukuphazamiseka okuncane ngenxa yokunemba okuphezulu | Ukuphazamiseka okuncane ngenxa yokunemba okuphezulu |
Lesi yisibonelo sephutha esithombeni esingenhla
Kumabhodi anesikhala esanele ku-PCB, lapho siklama i-PCB, ukuvulwa kwemaski ye-solder kufanele ngokuvamile kube kukhulu ngo-6.5 mil kunephedi iyonke, futhi ibhokisi lomlingiswa kufanele libe likhudlwana nge-3 mil kunefasitela, ngoba lokhu kuzokwenza kube lula kakhulu. ukuthuthukiswa konjiniyela be-CAM.
Izinzuzo zokumaka kwesikrini se-Silkscreen kuma-PCB
Ubunikazi Bento
Izimpawu zesikrini sikasilika zinikeza amalebula acacile ezingxenyeni ezifana nezixhumi, ama-resistors, ama-capacitor, namasekhethi ahlanganisiwe. Lawa malebula asiza abasebenzisi ukuthi babone kalula futhi bathole izingxenye ezithile phakathi nokuhlanganisa, ukuhlola, nezinqubo zokuxazulula inkinga.
Ireferensi Yokubekwa Kwengxenye
Izimpawu zesikrini sikasilika zisebenza njengomhlahlandlela obonakalayo wokubekwa okunembile kwengxenye phakathi nokuhlanganiswa kwe-PCB. Zikhombisa izikhundla eziqokiwe zezingxenye, ziqinisekisa ukuqondanisa okufanele kanye nokunciphisa ubungozi bamaphutha noma ukungahambi kahle.
Ukucaca Okuthuthukisiwe Nokufundeka Okuthuthukisiwe
Izimpawu zesikrini sikasilika zithuthukisa ukufaneleka kolwazi olubalulekile ku-PCB. Umbhalo ocacile futhi oqondaniswe kahle, izimpawu, nemifanekiso kwenza kube lula kochwepheshe, onjiniyela, nabasebenzisi ukuhumusha izicaciso zebhodi, izinombolo zengxenye, abaklami bereferensi, neminye imininingwane ebalulekile.
Ukuvimbela Iphutha Nokulawulwa Kwekhwalithi
Izimpawu zesikrini sikasilika zisiza ekuvimbeleni amaphutha nasekulawuleni ikhwalithi ngesikhathi sokukhiqiza nokuhlanganisa. Ngokuhlinzeka ngezinkomba ezibukwayo, zisiza ekuhlonzeni noma yiziphi izingxenye ezingalungile noma ezingekho, ukunciphisa amathuba okuba namaphutha okukhiqiza, kanye nokwenza ngcono ukuthembeka komkhiqizo kukonke.
Ibhrendi kanye nokubukeka kochwepheshe
Izimpawu zesikrini sikasilika zingahlanganisa izici zokubeka uphawu, amalogo enkampani, nemiklamo yokuhlobisa ku-PCB. Lokhu kuthuthukisa ukubukeka kobuchwepheshe bomkhiqizo futhi kukhulisa ukuqashelwa komkhiqizo.
Ukuxazulula Inkinga Nokugcinwa Okuthuthukisiwe
Izimpawu zesikrini sikasilika kusiza ukuxazulula izinkinga nemisebenzi yokunakekela ngokunikeza ulwazi olubalulekile ngamavelu ezingxenye, ukumiswa kwamaphini, amaphuzu okuhlola, kanye nokumaka kwe-polarity. Lokhu kwenza ochwepheshe bakwazi ukuhlonza ngokushesha futhi babhekane nanoma yiziphi izinkinga, kuncishiswe isikhathi sokuphumula kanye nokwenza ngcono ukusebenza kahle okuphelele kokulungisa.
Ukucatshangelwa Kwedizayini yeSilkscreen kuma-PCB
Lapho uklama isikrini sikasilika se-PCB, izici ezimbalwa ezibalulekile ezidinga ukunakwa:
Usayizi nokubeka
Usayizi wesikrini sikasilika kufanele ulinganise phakathi kokufundeka nokonga isikhala ku-PCB. Kufanele ibe nkulu ngokwanele ukuze ifundeke kalula ngaphandle kokugcwala ibhodi. Ukwengeza, ukuma kufanele kuqinisekise ukubonakala okucacile futhi kugweme ukuphazamisa noma ukuvimbela ezinye izingxenye.
Ifonti nesitayela
Khetha ifonti ecacile nefundekayo yombhalo wesikrini sikasilika ehambisana kuyo yonke i-PCB. Gwema ukusebenzisa amafonti anemininingwane ngokweqile noma ayinkimbinkimbi angase aphazamise ukufunda.
Color
Khetha ngokucophelela umbala wesikrini sikasilika. Imibala emnyama njengomnyama noma okuluhlaza okwesibhakabhaka okumnyama ngokuvamile kulula ukuyifunda, kodwa ukufaneleka kungase kuhluke kuye ngohlelo oluthile lokusebenza noma izidingo.
Ulwazi
Faka kuphela ulwazi olubalulekile oluhlobene nesekhethi kanye nezingxenye zayo kusikrini sikasilika. Gwema imininingwane engafuneki noma ukuphinda ulwazi oluvele lukhona kwenye indawo ku-PCB ukuze ugcine ukucaca nokugwema ukudideka.
Lesi yisibonelo sephutha esithombeni esingenhla
Iziphakamiso zokuthuthukisa uhlamvu lwe-PCB: Uma kunezinhlamvu eziningi ezizothuthukiswa, izibaluli zomlingiswa akufanele zibe izibaluli zethusi, ngaphandle kwalokho kuzoba nzima kakhulu ukuthuthukisa isofthiwe yobunjiniyela be-CAM. Uma izinhlamvu ziminyene, akunakugwenywa ukuba nezinhlamvu kumaphedi nezinye izinkinga. Kuyadingeka ukwamukela izinhlamvu ezingaqondakali nezingaphelele futhi unikeze i-PDF ecacile ukuze yenziwe.
Ukuthuthukisa Idizayini Yezinhlamvu Zesikrini Sikasilika sama-PCB
Lapho udizayina izinhlamvu zesikrini sikasilika zama-PCB, ukucatshangelwa okubalulekile okuningana kuqinisekisa kokubili ukusebenza nokucaca. Ngaphandle kosayizi wohlamvu, kubalulekile ukugcina isilinganiso esilinganiselwe sobude nobubanzi, ukuze uqinisekise ukufundeka kosayizi abahlukahlukene. Izinhlamvu kufanele zibekwe ukuze zigweme ukumboza amaphedi, ama-vias, noma imikhondo, okungaba nomthelela ekusebenzeni kukagesi kanye nekhwalithi yokuhlanganisa. Uma izinhlamvu kufanele ziwele izimbobo zokubhoboza, ukufiphaza ingxenye kuyamukeleka, kodwa amamaki e-polarity kufanele ahlale eqinile ukuze avimbele amaphutha okuhlanganisa nawokuhlola.
Ukukhethwa kombala wesikrini sikasilika nakho kudlala indima ebalulekile ekufundekeni nasekusebenziseni izindleko. Ngaphandle uma kunezidingo ezithile zombala, kuyatuseka ukuthi usebenzise umbala owodwa wesikrini sikasilika ukuze unciphise izindleko zokukhiqiza. Imibala egqame kakhulu njengomhlophe kuma-PCB aluhlaza ithuthukisa ukusebenziseka, kodwa uma imibala eminingi idingeka, kufanele ikhethwe ngokucophelela ukuze kugcinwe ukucaca ngaphandle kokukhuphula izindleko kakhulu.
Okokugcina, ukuhlinzeka ngomdwebo womhlangano we-PCB ophelele kubalulekile. Lo mdwebo kufanele ukhombise ngokucacile indawo kanye nokuhlonzwa kwazo zonke izingxenye, izimpawu ze-polarity, namaphuzu okuhlola abalulekile. Imiyalo enemininingwane yomhlangano nemihlahlandlela iqinisekisa ukuthi i-PCB ihlanganiswe ngendlela efanele nangempumelelo. Ngokunamathela kulezi zimiso zokuklama, abakhiqizi bangakhiqiza ama-PCB ekhwalithi ephezulu, asebenzayo, futhi okulula ukuwahlanganisa.
Izitoreji Eziyinhloko
I-Silkscreen kuma-PCB iyisici esibalulekile se-elekthronikhi yesimanje, enikeza izinzuzo ezisebenzayo nezibonakalayo. Ngokucabanga ngokucophelela ngezici zokuklama nokusebenzisa amasu afanele e-silkscreen, abakhiqizi bangathuthukisa ukusebenza, ukufundeka, kanye nokukhanga kobuhle kwama-PCB. I-Highleap Electronic, umkhiqizi we-PCB ohamba phambili, uyaqonda ubunzima bokusetshenziswa kwe-silkscreen futhi angakusiza wonge isikhathi nezindleko kumaphrojekthi akho e-PCB. Ngolwazi lwethu kanye namakhono ethu okukhiqiza, siqinisekisa ukusetshenziswa kwe-silkscreen okunembile kanye nokukhiqizwa kwe-PCB kwekhwalithi ephezulu. Xhumana nathi namuhla ukuze ubone ukuthi izinsizakalo zethu zokukhiqiza ze-PCB eziphelele zingakuzuzisa kanjani.
Isiphetho
Sekukonke, i-silkscreen kuma-PCB ayigcini nje ngokukhanga ubuhle kodwa futhi idlala indima ebalulekile ekuqinisekiseni ukusebenza nokuthembeka kwamasekethe kagesi. Ngokukhetha indlela efanele ye-silkscreen nokuklama ngokucophelela ungqimba lwe-silkscreen, abakhiqizi bangathuthukisa kakhulu ukuhlanganiswa, ukuxazulula izinkinga, kanye nekhwalithi iyonke yama-PCB. I-Highleap Electronic izibophezele ekuhlinzekeni ngezinsizakalo zokukhiqiza ze-PCB ezisezingeni eliphezulu, okuhlanganisa nohlelo lokusebenza lwe-silkscreen olunembile nolusezingeni eliphezulu. Xhumana nathi ngazo zonke izidingo zakho ze-PCB, futhi ake sikusize ufinyelele imiphumela emihle kakhulu yamaphrojekthi akho kagesi.
I-PCB Silkscreen FAQ
1.Iziphi izinkinga ezijwayelekile okuhlangatshezwana nazo ngokuqondaniswa kwesikrini sikasilika kuma-PCB?
Ukungalungiswa kahle kwesikrini sikasilika kungenzeka uma inqubo yokuphrinta ingalinganiswanga kahle. Lokhu kungase kuholele ekutheni umbhalo nezimpawu zingabi khona maphakathi, okungase kufice izingxenye ezibalulekile zamaphedi noma nge-vias. Ukuqinisekisa ukuqondanisa okunembile phakathi nenqubo yokusetha kungasiza ekwehliseni lezi zinkinga.
2.Ingabe isikrini sikasilika sithinta kanjani ukwenziwa kwe-PCB?
I-Silkscreen inikeza amalebula acacile nemiyalo eyenza inqubo yokuhlanganisa ibe lula, inciphise amaphutha, futhi ithuthukise ukulawula ikhwalithi. Ithuthukisa ukufundeka futhi isiza ekubekweni okunembile kwezingxenye, ngaleyo ndlela ithuthukise ukwenziwa kwezinto.
3.Yini imikhawulo yokusebenzisa isikrini sikasilika kuma-PCB aminyana kakhulu?
Kuma-PCB anobukhulu obukhulu, isikhala sombhalo wesikrini sikasilika sikhawulelwe. Lokhu kudinga ukuhlela ngokucophelela usayizi wombhalo nokubekwa ukuze kugwenywe ukumboza amaphedi nama-vias. Izindlela zokuphrinta ezithuthukisiwe ezifana ne-Direct Legend Printing (DLP) zingasiza ukuzuza imininingwane emincane ezindaweni ezinomkhawulo.
4.Ingabe isikrini sikasilika singafakwa ezinhlangothini zombili ze-PCB?
Yebo, isikrini sikasilika singasetshenziswa kuzo zombili uhlangothi lwengxenye kanye nohlangothi lwe-solder lwe-PCB. Lokhu kuwusizo ikakhulukazi kuma-PCB anezinhlangothi ezimbili noma anezingqimba eziningi lapho ukuhlonza ingxenye noma umumo kubalulekile kuzo zombili izinhlangothi.
5.Ingabe izici zemvelo zikuthinta kanjani ukuqina kwesikrini sikasilika?
Izici zemvelo ezinjengomswakama, izinga lokushisa, nokuchayeka kumakhemikhali kungaba nomthelela ekuqineni kwesikrini sikasilika. Ukusebenzisa i-inki yekhwalithi ephezulu, ukumelana nokushisa, kanye nokumelana namakhemikhali kuqinisekisa ukuthi izimpawu zesikrini sikasilika zihlala zifundeka futhi ziqinile kuwo wonke umjikelezo wempilo we-PCB.
Thatha i-Quote esheshayo