Ibara rya silkscreen, rizwi kandi nk'umugurisha wa masike ya masike, ni inyandiko cyangwa ibimenyetso byanditse kuri PCB ukoresheje wino yihariye kugirango umenye ibice, imikoranire, ibirango biranga kimwe no koroshya guterana byikora. Gukora nk'ikarita yo kuyobora abaturage ba PCB no gukemura, iki cyiciro cyo hejuru kigira uruhare rutangaje uruhare rukomeye mu mikorere, kuranga, amahame ngenderwaho hamwe nuburanga.
Imikorere y'ingenzi.
Ku mbaho zumuzingi zuzuyemo ibice byiminota amagana, umugani ufasha kumvikanisha imiyoboro ihuza ibikoresho.
1. Kumenyekanisha ibice
Umubare wibice, indangagaciro (10K, 0.1uF) hamwe nibimenyetso bya polarite (-, +) byanditseho kuruhande rwibikoresho bifasha kumenyekana byihuse mugihe cyo guterana intoki, kugenzura no gukemura.
2. Amakuru yubuyobozi
Ibisobanuro nka numero ya PCB, verisiyo, uwabikoze, imikorere yubuyobozi (amajwi yongerera amajwi, amashanyarazi) akenshi ni silike yerekanwa mugukurikirana no gutanga imbaho zashyizwe.
3. Umuyoboro uhuza
Inomero ya pin yunganirwa numugani ifasha kwinjiza insinga ihuza insinga hamwe na interineti (USB, HDMI).
4. Imiterere y'Inama y'Ubutegetsi
Imirongo yaciwe kumurongo igaragara cyane yerekana ibipimo, icyerekezo hamwe nabacumbitsi bafasha guhuza hamwe na de-panel.
5. Inteko ifasha Inteko Ibimenyetso bya Fiducials kuruhande rwibikoresho byifashishwa nkibice bya zeru byerekana imashini zikoresha optique zo gutoranya-ahantu kugirango zuzuze neza ibice.
6.
7. Ibiranga Ibirango Ibirango, ibirango n'ibimenyetso bishushanyo bifasha kumenya ibikoresho OEM ikora kugirango izamure ibicuruzwa. Umugani wubuhanzi wigenga nanone wongeyeho ubukire bwiza.
Hamwe na miniaturizasiyo ituma imikorere iruta kuri santimetero kare, ibimenyetso bya silkscreen biyobora abakoresha naba injeniyeri mubuzima bwa PCB.
Ubwubatsi n'ibikoresho
Ubudodo bwa silkscreen bugizwe na wino ishingiye kuri epoxy yacapishijwe hejuru ya masike yagurishijwe yemerera icyatsi kibisi PCB gutanga itandukaniro munsi. Kugirango utange ibisubizo bikarishye bivuye muri CAD yahinduwe na gerber data, icapiro ryihariye rya ecran, inkjet cyangwa tekinoroji ya Photolithography tekinike yerekana imigani.
Ibyiza nka chimique / abrasion birwanya, amabara atuje, guhuza no guhinduka bigena ibintu bifatika:
Epoxy -Benshi mubisanzwe kubiciro, guhuza inzira
Silicone -Kwihanganira ubushyuhe bwinshi
Polyurethane- Biroroshye, birwanya UV
Epoxy-Polyester - Huza imbaraga za epoxy & polyester
Umweru ni ibara risanzwe ryamabara hamwe n'umukara, ubururu, umutuku n'umuhondo nabyo bikunzwe. Imashini zitoranya-hamwe na kamera zisa hepfo ariko zihitamo masike yumuhondo cyangwa yera yijimye munsi kugirango bihabanye bihagije kugirango umenye ibice.
Iterambere rya tekinoroji ya PCB irusheho gushimangira ubushobozi bwimigani:
Inks yashyizwemo- Inks zinjijwe muri substrate zitanga ibimenyetso birwanya kwambara / kurira
Kuzamura Ink- Yubaka imigani iramba ya tactile nziza kubirango bihuza, uhindura nibindi.
Glow Legends- Irimo ifu ya luminescent yishyurwa numucyo kugirango urabagirane mumwijima ufasha kugaragara
Umugani Wihishe- Ink igaragara gusa munsi ya UV yamurika ibika ibanga
Peel-off - Imigani myinshi ihindagurika imigani ihishura amakuru nkuko bikenewe binyuze muri buri kibaho
Gukora neza birenze ibimenyetso byibanze, inkingi zinyuranye zinkingi zongerera imbaraga imikorere yinyongera.
Akamaro mu Gukora
PCB ya silike ya PCB yoroshya automatike itwara imbaga yihuta yibibaho. Tora kandi ushireho imashini zishingiye kumurongo ugizwe na fiducials mugani wa:
Ikibaho
Kumenya umubare wimibare / indangagaciro binyuze mumyitozo ya optique
Kwemeza kuboneka / kubura ibice
Kugenzura guhuza polarite
Gutanga amakuru neza
Ibi byihutisha amakosa yubusa yikintu gito cya chip ntoya nka 0201 (0,6mm x 0.3mm)!
Nyuma yabaturage, kugenzura byikora (AOI) kamera yongeye kwerekana umugani wo kwemeza:
Gukosora ibice bigize / agaciro
Icyerekezo gikwiye
Ibisobanuro bihuye (5% kwihanganira kwihanganira nibindi)
Ubuyobozi burangiza ubuziranenge burwanya fiducials
Imashini isomeka matrix barcode na QR code zanditswe mumigani wongeyeho ifasha gutondekanya imbaho ibahuza namakuru yikizamini.
Hafi yimiterere, silike ya ecran yerekana ibiyobora, gukurikiranwa hamwe nubwiza mubikorwa.
Ibipimo bya PCB
Inganda zinganda zigenga ibintu bimwe na bimwe byemewe bya silkscreen kugirango byorohereze imikoranire no gufata neza ibikoresho bya elegitoroniki.
IPC-7351 - Ibisabwa muri rusange kubishushanyo mbonera byubuso hamwe nubutaka bwubutaka
Indangamuntu yingirakamaro hamwe nuwashushanyije (R8, C3), andika (RES, CAP) nagaciro (10K, 2u2).
Izina ryinama, amakuru yo guhagarika amakuru
Ibimenyetso bidasanzwe nkubutaka
IPC-6012 - Impamyabushobozi n'imikorere y'Ikibaho cyacapwe
Ubwoko bwibikoresho (FR4)
Itariki y'itariki (YYYY-MM-DD)
Ibisobanuro birambuye
Igihugu / inkomoko
Kode ya barcode / 2D
ANSI Y32.16 - Ibishushanyo mbonera byerekana amashanyarazi na elegitoroniki
Ibimenyetso bya voltage
Ibimenyetso birinda isi
Ibirango bya elegitoroniki
Ibiranga amashusho bisanzwe byihuta gukemura ibibazo no kuzamura murwego.
Ibimenyetso bisanzwe
Kongera gukoresha ibimenyetso byerekana ibimenyetso bya silkscreen kubice byinshi bikomeza guhuzagurika mubishushanyo mbonera bya PCB bifasha inteko.
| Ibigize | Ikimenyetso | Ibisobanuro | | ———– | ————— | | Kurwanya |
| Urupapuro rw'urukiramende rwerekana ubwoko bwibintu, agaciro, kwihanganira na wattage | | Ubushobozi |
| Semicircular radial / igizwe na layout ifite ubushobozi bwa capacitance | | Diode |
| Umurongo wimyambi werekana icyerekezo cyibisanzwe bitemba | | LED |
| Ihuza imiterere ya pake ya LED; yerekana cathode / anode | | Crystal |
| Igishushanyo cya hexagonal / parallelogramu quartz kristal hamwe na pine yubutaka | | Umuhuza |
| Ibigize umuryango silhouette (USB, HDMI) hamwe na pin ifite numero | | Ikizamini |
| Uruziga ruzenguruka rwo kwemeza no gusuzuma | | Pad |
| Ikimenyetso cyuruhande rwibikoresho byo hejuru bitagira aho bibogamiye | | Fiducial |
| Kwiyandikisha kwambukiranya bifasha guhuza optique guhuza |
Ukurikije imiterere, ibimenyetso bikwiye imfashanyo imenyekana.
Akamaro k'ubuziranenge bwa Silkscreen
Hamwe no kwagura PCBs, kubyara amakuru meza rwose bitera ibibazo. Imikorere ihanitse yo gucapa igomba gutanga:
1. Ibimenyetso byukuri bihujwe neza na padi yamanuka, impande nibindi bikomeza 1: 1 bihuye nibintu byingenzi.
2. Ibyemewe byemewe, ibimenyetso bihabanye cyane birasomeka byoroshye; Inyandiko nto ≥1.0mm z'uburebure, Imirongo myiza ≥0.15mm y'ubugari.
3. Kuramba Komera utagira inenge ibikoresho fatizo bitandukanye; irwanya gutunganya / guhangayikishwa n'imikorere.
4. Ibipimo byo kwiyandikisha bihuye na CAD yumwimerere yemerera gukorera mu mucyo kugenzura ryikora.
Umugani udatunganye ufite ibimenyetso bya fuzzy, guhuza kugorora cyangwa guhuza bidahagije biganisha ku bicuruzwa bitagenda neza cyangwa kunanirwa mu murima. Kubwibyo ubuziranenge bwa silkscreen burashimangira PCB kwiringirwa.
Ndetse utuntu duto duto dufite akamaro gakomeye ko kuyobora imikorere ya sisitemu igamije.
Inzira zigenda zigaragara
Iterambere ryibanze mugucapisha neza kwagura ubushobozi bwa silkscreen ubushobozi:
Inkingi yometseho: Yashyinguwe neza hagati yimirongo, imigani yashyizwemo irinda kwambara kwongera imbaraga zikenewe mu kirere, kwirwanaho no gukoresha ibikoresho bya elegitoroniki.
Umugani Wihishe: Ibimenyetso bitagaragara bya ultraviolet florescent igaragara gusa munsi ya UV yamurika bifasha guhisha amakuru yihariye yo kwinjira nkibanga ryibanga kuri sisitemu itekanye.
Peel Layers: Shigikira ibyapa byemerera abakoresha guhitamo guhitamo amakuru yinyongera kubisabwa.
Inkingi yazamuye: Kora ibimenyetso biramba byerekana ibimenyetso byiza byo kuranga buto, guhinduranya hamwe nicyambu cya interineti mubikorwa bishingiye kubantu.
Gukoraho ubuhanzi: Amabara meza nubushushanyo bwihariye butanga ubukire bwiza mugihe ukomeza imikorere.
Gukoresha amajyambere nkaya, uyumunsi ya silkscreen iha PCBs kumenyesha, umutekano, gufasha, ndetse no gushimisha abakoresha mugihe ugumana indangamuntu yibanze.
Ingero
Udushya twa mugani tugaragara muri domaine:
SpaceTech - Rover ya NASA ya Mars Perseverance rover mu 2021 yatwaye PCB zifite imigani ikomeye yanditswemo idashobora guhangana nuburyo bukora.
AutoTech - Abadage batanga amamodoka yo mu Budage Bosch muri 2019 yashyize ahagaragara PCB zifite ubwenge zifite udukaratasi twerekana amakuru yo kwisuzumisha gusa kubacuruzi babiherewe uburenganzira.
MedTech - Abbott's FreeStyle Libre ikomeza glucose ikurikirana siporo yazamuye buto ya tactile ituma ibitekerezo byoroha kubarwayi ba diyabete bafite ubumuga bwo kutabona.
5G Telecom - Icyamamare cya Huawei Kirin 9000 chipset igendanwa ifite imigani y'amabara menshi yerekana domaine nka progaramu itunganya porogaramu, modem ya 5G na logique ya AI.
Gukina - Ikarita yerekana amashusho ya Nvidia ya GeForce RTX yerekana ibicuruzwa bya silver silver byerekana neza hamwe nibirango byerekana ibyuma bitanga Enthusiast.
IoT Yambara - Fitbit Charge yubwenge yuzuye ipakira ibyuma byinshi-sensor PCBs hamwe nibimenyetso byuzuye mubice byoroshye.
Mubyukuri, imbaraga za silkscreen zingana murugo murugo rwibikoresho byabaguzi cyangwa sisitemu yihariye ikomeza gushyigikira uburambe bwabakoresha mubidukikije.
Ubwihindurize bwubushobozi
Basunitswe ninganda zidasobanutse, guhanga udushya bikomeza kwerekana amahirwe mashya.
Ibibazo Bikunze Kubazwa
Q1. Urashobora gukora silkscreen impande zombi za PCB?
Nibyo, mubisanzwe uruhande rwo hejuru rwa silkscreen rutwara ibimenyetso byibanze (kubice bituwe) mugihe uruhande rwo hepfo rurimo inyandiko zanditse zijyanye numusaruro nkumupaka wumurongo cyangwa amabwiriza yo kuyobora. Ibi birinda guhuzagurika hejuru yinteko.
Q2. Ese kugurisha mask igurisha irinda umugani wa silkscreen?
Mask yagurishijwe yashyizwe hejuru yumuringa wambaye ubusa mbere yuko silikrike itanga imiti irwanya imiti na mashini irinda wino yimigani yoroheje munsi yumusemburo hamwe ningutu ziteranijwe. Kubwibyo, byombi bikorana hamwe na mask yerekana inzira hamwe numugani uyobora abaturage.
Q3. Ubunini busanzwe bwa silkscreen ni ubuhe?
Filime ya silkcreen yakize isanzwe ipima hagati ya mil 3-8 (microne 75 - 200). Ibipfundikizo byimbitse hejuru ya mil 10 birashobora kugira ingaruka kumyanya yibice mugihe ubunini buke budahagije kurinda umugani. Kunoza umubyimba byerekana kwihangana bihagije.
Q4. Urashobora guterana muburyo bwa silkscreen?
Mubyukuri ibice byerekana nkibishushanyo mbonera, ibisobanuro bitandukanijwe cyangwa ibikoresho byo gutobora bifasha mugutegura PCB zateguwe kugirango zitunganyirizwe / gutunganya. Itsinda rirambuye ryerekanwe neza muri silkscreen yicaye hejuru yemerera kubona neza kuruta ibice byimbere.
Q5. Icyatsi kibisi kibisi gikunzwe?
Mugihe ibara iryo ariryo ryose rigaragara byoroshye, imirongo yiteranirizo ikunda imigani yera cyangwa icyatsi kuruta imbaho zihuze cyangwa zijimye zijimye zifasha kumenyekana na kamera zisa. Nyamara, udushya twa kamera dushya twatsinze imbogamizi, gufungura uburyo bwo guhitamo amabara.
Kumenyera kwiyongera mubikorwa no gukora bigoye, ecran ya PCB idahwitse ya PCB irazamuka mugihe itanga elegance binyuze mubworoshye! Iha imbaraga abakoresha naba injeniyeri kimwe mubikorwa nubuzima bwibicuruzwa kugirango barusheho gushiraho uburyo bwa elegitoroniki. Mubyukuri, gucecekesha abakekeranya, utuntu duto duto twanditse tunyanyagiye ku mbaho zivuga amajwi atuma cacophony yibitangaza bigezweho byikoranabuhanga!
Igihe cyo kohereza: Ukuboza-06-2023
Inyuma
