Izinsizakalo Zokuhlanganisa I-PCB Encane Ye-BGA, QFN kanye ne-High-Density SMT

Uma ufuna i -fine pitch PCB assembly , umbuzo obalulekile awukona nje ukuthi ifektri inomshini wokubeka we-SMT. Umenzi udinga ukuqonda i-geometry yangempela yephakheji, iphethini yomhlaba we-PCB, i-stencil, inqubo yokunamathisela i-solder, idatha yokubeka, izidingo zokugeleza kabusha kanye nokuhlolwa, bese eguqula lezo zidingo zibe ukwakhiwa kwe-PCBA okuphindaphindwayo.

I-Highleap Electronics iyifektri yokukhiqiza i-PCB kanye ne-PCB . Kumaphrojekthi e-fine-pitch, singaxhumanisa i-PCB engenalutho, ukutholakala kwezingxenye, ukuhlanganiswa kwe-SMT, ukuhlolwa, ukuhlolwa kanye nezidingo zokukhiqiza ezihlobene esikhundleni sokuphatha ukubekwa kwezingxenye njengokusebenza okuzimele. Lokhu kuwusizo ikakhulukazi lapho ukuhlanganiswa kuqukethe i-BGA, i-micro-BGA, i-QFN, i-QFP, i-CSP noma amanye amaphakheji aminyene.

Indlela efanele yokukhiqiza incike kumklamo okhishwe. Iphakheji encane ayidingi ngokuzenzakalelayo i-HDI, i-X-ray, ukuqeda ubuso obuthile noma ukunciphisa i-stencil okukhethekile. Lezo zinqumo kufanele zenziwe kusukela ekudwetshweni kwephakheji, ukwakhiwa kwe-PCB, inani lezingxenye kanye nezidingo zekhwalithi yamakhasimende.

Izidingo Zokuhlanganiswa Kwe-PCB Eqondile Yesilinganiso Sokukhiqiza

Umhlinzeki kufanele akwazi ukucaphuna ukuhlanganiswa kwangempela kunokulinganisa ngamagama athi “iphimbo elincane.” Ukucaphuna kanye nokubuyekezwa kobunjiniyela kuba usizo kakhulu uma uhlobo lwephakheji, ukwakhiwa kwe-PCB, uhlu lwezingxenye kanye nenani lokukhiqiza kubonakala kusukela ekuqaleni.

• Idatha yokwenziwa kwe-PCB: Amafayela okukhiqiza e-Gerber noma amanye akhishwe, ukubuyekezwa kwebhodi, ubukhulu, ukuqoqwa kanye nokuqedwa kobuso okudingekayo.
• I-BOM ephelele: Izinombolo zezingxenye zomkhiqizi, amanani, ukubekezelelana, ubuningi, ulwazi lwephakheji kanye nezinye izindlela ezivunyiwe lapho kufanele khona.
• Idatha yokukhetha nokubeka: Izixhumanisi zamanje ze-centroid, ukuzungeza kwezingxenye kanye nolwazi oluseceleni kwebhodi.
• Imibhalo yokuhlanganisa: Umdwebo wokuhlanganisa, ulwazi lwe-polarity, amanothi akhethekile kanye nanoma yimiphi imikhawulo yezingxenye.
• Ulwazi olubalulekile lwephakheji: Imidwebo yephakheji noma amashidi edatha e-BGA, QFN, QFP, CSP, LGA namanye amadivayisi lapho indlela yonyawo noma yokunamathisela ibucayi khona.
• Izidingo zokuhlola nokuhlola: Chaza ukumbozwa kokuhlolwa okudingekayo kwe-AOI, i-X-ray, ugesi, okusebenzayo noma okuqondene nekhasimende.

Yini okufanele umkhiqizi ayibukeze ngaphambi kokwamukela ukuhlanganiswa kwe-PCB okune-pitch encane?

Ifektri kufanele iqhathanise idatha ye-PCB nezingxenye ezikhethiwe namafayela okuhlanganisa ngaphambi kokukhiqizwa. Umdwebo wephakheji ungadinga iphethini yomhlaba ehlukile kunenguqulo yomtapo wolwazi wangaphambilini; i-BGA ingancika esakhiweni esithile ngokusebenzisa; kanti ibhodi elizinhlangothi ezimbili lingadinga ukulandelana okuthile kokuhlanganisa. Lena yimibuzo yokukhishwa kokukhiqiza, hhayi imininingwane okufanele ishiywe kuze kube ngemva kwesabelo sokuqala.

Ukubuyekezwa kwe-PCB DFM ye-Highleap kanye nokuhlolwa kokukhiqiza kungafakwa ngaphambi kokuba umzila wokukhiqiza ukhishwe. Kumakhasimende adinga amabhodi angenalutho kanye namabhodi ahlanganisiwe, izidingo zokwenziwa kwe-PCB kanye ne-PCBA zingabuyekezwa ndawonye.

I-Fine-Pitch BGA, Micro-BGA, QFN, QFP kanye ne-CSP PCB Assembly

“I-Fine pitch” iyisigaba sokukhiqiza, hhayi uhlobo olulodwa lwephakheji. I-solder interface ingase ibonakale eduze komngcele we-QFP, ifinyeleleke kancane ku-QFN, noma ifihlwe ngaphansi kwe-BGA noma i-micro-BGA. Inqubo kanye nohlelo lokuhlola kufanele kulandele isakhiwo sangempela sephakheji. Kumajoyinti e-ball-grid afihliwe, izidingo zenqubo ye-fine pitch ethize ye-BGA zengeza iphethini yomhlaba, ivolumu ye-solder kanye nemikhawulo yokuhlola enqubweni ebanzi ye-SMT.

Ingabe ukuhlanganiswa kwe-BGA okune-pitch encane kudinga indlela ehlukile yokukhiqiza i-PCB?

Ngezinye izikhathi, kodwa hhayi ngokuzenzakalelayo. Iphimbo lephakheji, indlela yokubaleka, ubukhulu bebhodi kanye nesu lokudlula kunquma ukuthi ukwenziwa okuvamile kwezingqimba eziningi kwanele noma ukuthi isakhiwo se-HDI siyafaneleka yini. Uma kusetshenziswa izakhiwo ze-via-in-pad noma ze-microvia, incazelo yokwenziwa kufanele ichaze ngokucacile inqubo edingekayo esikhundleni sokuthembela kulebula ejwayelekile "ye-HDI".

I-Highleap ingaxhumanisa ukwenziwa kwe-PCB nesidingo sokuhlanganiswa. Lokhu kubalulekile lapho iphakheji ye-fine-pitch incike ku-geometry yephedi elawulwayo, ethize ngokwelashwa noma ukuqeda kwendawo ethile.

Ingabe amaphakheji acwebezelayo angahlanganiswa nezingxenye ezinkulu ze-SMT ne-THT?

Yebo. Amabhodi amaningi okukhiqiza ahlanganisa ama-IC acwebezelayo nezingxenye ezinkulu ezingasebenzi, izixhumi, amadivayisi kagesi nezingxenye ezimbobo. Iphuzu elibalulekile ukuklama ukulandelana kokuhlangana okuzungeze i-BOM ephelele. Izisindo ezinkulu zokushisa, ukuphakama kwezingxenye kanye nokufinyelela kokugoqa kwesibili kungathinta indlela efanayo yokugeleza kabusha kanye nokuhlola esetshenziswa amadivayisi acwebezelayo.

Amandla okuhlanganisa i-SMT PCB ye-Highleap angahlanganiswa nemisebenzi ye-through-hole kanye neminye imisebenzi ye-PCBA ngokuya ngomklamo okhishwe.

Izidingo ze-PCB DFM kanye Nokuhlelwa Kokuhlanganiswa Kwe-Fine-Pitch

I-PCB ingadlula ekubuyekezweni komklamo kagesi futhi idale izinkinga zokuhlanganisa uma imininingwane yokukhiqiza ingahambisani. Kumabhodi acwebezelayo, ukubuyekezwa kwe-DFM kufanele kuxhume iphakheji yengxenye ne-geometry yangempela ye-PCB kanye nenqubo ye-SMT ehlosiwe.

• Ukunemba kwesinyathelo: Iphethini yomhlaba kufanele isekelwe kulwazi lwephakheji lomkhiqizi okhethiwe kanye nomklamo wokuhlanganiswa okukhishwe.
• Incazelo ye-Solder-mask: Izimbobo zemaski kumele zisekele i-geometry yephedi ehlosiwe ngaphandle kokudala ukuxhumana kwe-solder okungahlosiwe.
• Ngokwelashwa: Ama-Via aseduze noma angaphakathi kwama-fine-pitch pads kumele alandele inqubo yokwenziwa evunyiwe. Izakhiwo ze-BGA ezisebenzisa i-in-pad zingadinga ukugcwaliswa kanye nokuhlelwa kabusha.
• Ekupheleni kwendawo: Ukuphela okukhethiwe kufanele kuhlinzeke ngokukwazi ukunamathela kanye nokuba yisicaba okudingekayo ekwakhiweni kwebhodi kanye nephakheji yezingxenye.
• Fiducials: Amamaki okubhekisela afanele asiza imishini ye-SMT ukuthi imise indawo yebhodi ephindaphindwayo.
• Ukususwa kwengxenye kusukela kolunye uhlangothi: Izingxenye ze-fine-pitch kufanele zibekwe kucatshangelwa iphaneli yokukhiqiza, ukwesekwa kwebhodi kanye nendlela yokususa amaphaneli.
• Iphaneli: Imizila, izindawo zokusekela kanye nezindlela zokuqhekeka kufanele kucatshangelwe ngaphambi kokuba kuqedwe iphaneli yokukhiqiza.

Ingabe ukuhlanganiswa kwe-PCB okune-pitch ephansi kudinga i-HDI njalo?

Cha. Ukuhlanganiswa kwe-fine-pitch kanye nokwakhiwa kwe-HDI kuxazulula izinkinga ezahlukene. Ukuhlanganiswa kwe-fine-pitch kuphathelene nokuthi izingxenye eziseduze kakhulu kanye nokuxhumeka kwe-solder kwenziwa kanjani; i-HDI ubuchwepheshe bokuxhumana be-PCB obusetshenziswa lapho kudingeka khona ubuningi be-routing, ukuphuma kwephakheji, usayizi webhodi noma isakhiwo. I-PCB evamile enezingqimba eziningi ingafaneleka ngokuphelele engxenyeni ye-fine-pitch uma izidingo ze-routing kanye nokwakhiwa zingahlangatshezwana nazo.

Uma umklamo udinga i-HDI, i-pitch yephakheji, indlela yokuphuma, isakhiwo se-microvia kanye nanoma yiziphi izidingo ze-via-in-pad kufanele zihlonzwe ngesikhathi sokubuyekezwa kobunjiniyela. I-Highleap iphinde inikeze isiqondiso sokufakwa kwamaphaneli e-SMT emiklamo yokukhiqiza lapho ukwakhiwa kwamaphaneli kuthinta ukuphathwa kwe-assembly.

Umklamo We-Fine-Pitch Stencil kanye Nokuphrinta Nge-Solder-Paste

Kwibhodi eliqinile le-SMT, i-stencil iyisixhumanisi esibonakalayo phakathi komklamo wephedi le-PCB kanye nenqubo yokunamathisela. Inhloso akuyona nje ukumbozwa okuphezulu kokunamathisela. I-stencil idinga ukukhiqiza idiphozithi elawulwayo kumaphedi asondelene kakhulu ngenkathi ihlala ihambisana nayo yonke enye ibhodi.

1. Qinisekisa iphethini yomhlaba: Qinisekisa ubukhulu bephedi, isikhala, incazelo ye-solder-mask kanye ne-geometry yephedi yokushisa ngokumelene nedatha yengxenye ekhishwe.
2. Thuthukisa izikhala: Khetha ubukhulu bokuvuleka kanye nanoma yikuphi ukuncishiswa okuqondene nephakheji kusuka ku-geometry yangempela yephedi kanye nezidingo zenqubo.
3. Hlola ukufakwa kokunamathisela: Lapho kudingeka, hlola i-paste ephrintiwe ngaphambi kokubeka ukuze ukushintshashintsha kokuphrinta okuhlelekile kulungiswe kusenesikhathi.
4. Hlanganisa ibhodi eliphelele: Izimbobo ezincane kumele zihambisane nama-pad amakhulu angasebenzi, anamandla kanye nezixhumi ku-stencil efanayo.
5. Khiya isisekelo sokukhiqiza: Gcina idatha ye-stencil evunyiwe ehlobene nohlelo lokubuyekezwa kwe-PCB olufanele kanye nokuhlanganiswa.

Ukuphrinta nge-solder-paste kuthinta kanjani isivuno sokuhlanganiswa kwe-fine-pitch?

Umthamo wokunamathisela kanye nokubhaliswa kuthinta inani le-solder elitholakalayo kujoyinti ngayinye. Kuma-pad asondelene kakhulu, ukufakwa ngokweqile kungandisa ingozi yokubopha, kuyilapho i-paste enganele noma ekhishwe kabi ingabangela amalunga abuthakathaka noma angaphelele. Ukwakheka kwe-stencil efanele kuncike ephaketheni, i-geometry ye-pad, uhlelo lokunamathisela, ukwakhiwa kwe-stencil kanye nengxube yezingxenye zebhodi.

I-Highleap ingafaka ukuhlolwa kokunamathisela nge-solder ohlelweni lwekhwalithi yokukhiqiza lapho kudingeka ukuqinisekiswa kokuphrinta. I-SPI inikeza impendulo ngaphambi kokufakwa kwengxenye nokugeleza kabusha, lapho ukulungisa inkinga yokuphrinta ngokuvamile kuwusizo kakhulu kunokuthola umphumela wayo kamuva.

Ukubekwa Kwengxenye Eqondile, Ukugeleza Kabusha kanye Nokuhlanganiswa Kobuchwepheshe Obuxubile

Uma ukuphrinta kokunamathisela sekulawulwe, izigaba zokubekwa kanye nokugeleza kabusha kudingeka zilondoloze lelo windi lenqubo. Amadivayisi alula awavamile ukuba yizona zodwa izingxenye eziku-PCB yokukhiqiza, ngakho-ke uhlelo lokuhlanganisa kumele lulinganise amaphakheji amancane nezingxenye ezinkulu kanye nobuningi obuhlukahlukene bokushisa.

• Idatha yokubekwa: Ama-coordinates, ukujikeleza, i-polarity kanye nezinkomba zezingxenye kumele zifane ne-PCB ekhishwe kanye ne-BOM.
• Ukusekelwa kwebhodi: Amabhodi amancane, amakhulu noma angajwayelekile angadinga ukwesekwa okufanele ngesikhathi sokuphrinta nokubeka ukuze kuvinjelwe ukunyakaza noma ukuphambuka.
• Ukuqashelwa kwe-fiducial: Izinkomba zomshini kufanele zihambisane nephaneli yokukhiqiza yangempela kanye nomklamo we-PCB.
• Iphrofayela eshisayo: Ukugeleza kabusha kufanele kuthuthukiswe ngokuzungeza izinto ezihlanganisiwe, ukwakhiwa kwe-PCB kanye nenani eliphelele lezingxenye.
• Umhlangano ozinhlangothi zombili: Ukuphakama kwengxenye, isisindo, imikhawulo eseceleni kanye nokulandelana kwenqubo kufanele kubuyekezwe ngaphambi kokukhiqizwa kwezinhlangothi zombili.

Kufanele kulawulwe kanjani ukugeleza kabusha kwe-PCBA ye-fine-pitch?

Iphrofayili yokugeleza kabusha kufanele ifanele i-solder paste kanye nokuhlanganiswa okuphelele kunokuba ilungiselelwe iphakheji eyodwa ye-fine-pitch kuphela. Izindawo ezinkulu zethusi, izingxenye zamandla, izixhumi kanye nama-thermal pad kungashintsha indlela ukushisa okudlula ngayo ebhodini. Ngakho-ke inqubo efanelekile ibheka ukwakhiwa kwebhodi langempela kanye nenani lezingxenye.

Inqubo yokukhiqiza i-PCB assembly ye-Highleap ihlanganisa ushintsho oluvela ekubuyekezweni kobunjiniyela kuya ekuhlanganisweni kwe-SMT, ukuhlolwa kanye nokuhlolwa. Le nqubo ebanzi ibalulekile lapho amadivayisi acwebezelayo eyingxenye ye-PCBA yobuchwepheshe obuxubile.

Ukuhlolwa Nokuhlolwa kwe-Fine-Pitch PCBA

Ayikho indlela eyodwa yokuhlola ephendula yonke imibuzo yokukhiqiza ecacile. Uhlelo lokuhlola oluwusizo luncike ekutheni isici esibalulekile siyi-lead ebonakalayo, i-solder joint efihliwe, inkinga yokufakwa kwe-paste, uxhumano lukagesi noma umsebenzi wokugcina womkhiqizo.

Ingabe ukuhlanganiswa kwe-PCB okune-pitch encane kudinga ukuhlolwa kwe-X-ray?

Hhayi ngokuzenzakalelayo. I-X-ray iwusizo kakhulu uma ibhodi liqukethe izixhumi ze-solder ezifihliwe noma okunzima ukuzifinyelela futhi uhlelo lwekhwalithi ludinga lolo lwazi. I-QFP eqondile enezintambo ezibonakalayo ingase ifaneleke kahle kwi-AOI, kuyilapho i-BGA eqondile ingadinga i-X-ray ngoba amalunga e-solder awakwazi ukuhlolwa ngqo kusuka phezulu.

Amandla e-SMT ashicilelwe yi-Highleap abonisa ukuhlaziywa kwe-X-ray kanye nokuhlolwa kwe-microscope, kuyilapho isevisi yayo yokuhlanganisa i-PCB ihlanganisa i-AOI, ukutholwa kokusebenza kukagesi kanye nokuhlolwa kokusebenza. Uchungechunge lokugcina lokuhlola kufanele luvunyelwene kusukela ekuxubeni kwephakheji langempela kanye nezidingo zamakhasimende kunokusebenzisa iphakheji yokuhlola efanayo ebhodini ngalinye.

Ingabe i-PCBA eshaya kahle ingadlula i-AOI kodwa isahluleka ngogesi?

Yebo. I-AOI ihlola izimo ezibonakalayo ezibonakalayo, kodwa ayifakazeli zonke izici zikagesi noma umsebenzi womkhiqizo. Inani lesakhi esingafanele, inkinga yokuxhumeka kukagesi ngaphandle kobubanzi bokuhlola bokukhanya, noma isici sokusebenza singasala. Emikhiqizweni lapho lezi zindlela zokwehluleka zibalulekile, ukuhlolwa kukagesi nokusebenza kufanele kuhambisane nokuhlolwa okubonakalayo.

I-Highleap inikeza ukuhlolwa kwe-AOI , ukuhlolwa kukagesi kanye nezinketho zokuhlola ezisebenzayo ngokuya ngobubanzi bephrojekthi.

Umhlangano we-PCB oqondile we-Prototype, i-NPI kanye nokukhiqizwa

I-PCBA encishisiwe akufanele incike ekulungisweni komqhubi okungabhaliwe lapho isuka ekwakhiweni kokuqala iye ekukhiqizweni okuphindaphindiwe. Umgomo we-NPI nomsebenzi wesihloko sokuqala ukusungula isisekelo sokukhiqiza esingaphinde sikhiqizwe ngomklamo nenqubo evunyiwe.

1. Isibuyekezo sobunjiniyela: Qinisekisa ukubuyekezwa kwe-PCB, i-BOM, ulwazi lwephakheji, idatha yokuhlanganisa kanye nemikhawulo yokukhiqiza.
2. Ukwakhiwa kwesibonelo: Qinisekisa ukuthi i-PCB ekhethiwe, i-stencil, uhlelo lokubeka, inqubo yokugeleza kabusha kanye nendlela yokuhlola kusebenza ndawonye.
3. I-NPI / isihloko sokuqala: Buyekeza umphumela ohlanganisiwe, ukuhlolwa kokumbozwa kanye namadokhumenti okukhiqiza ngaphambi kokukhishwa kabanzi.
4. Ukukhishwa kokukhiqiza: Lawula i-BOM evunyiwe, ukubuyekezwa kwe-PCB, uhlelo lokuhlanganisa, uhlelo lokuhlola kanye nezilungiselelo zenqubo ezifanele.
5. Ukuphinda ukukhiqizwa: Gcina ukulawula kokubuyekezwa, ukuqhubeka kwezingxenye kanye nezidingo zekhwalithi ezivunyelwene ngazo zama-oda alandelayo.

Umhlinzeki we-PCB assembly osezingeni eliphansi kufanele ayisekele kanjani i-NPI?

Umhlinzeki kufanele asize ukuxhumanisa umklamo okhishwe nenqubo yokukhiqiza ebonakalayo. Lokho kuhlanganisa ukuqinisekisa iphakheji yengxenye, ukuhlola idatha yokuhlanganisa, ukusungula indlela ye-stencil kanye nokubeka, ukubuyekeza ukumbozwa kokuhlolwa kanye nokuhlonza izinkinga ngaphambi kokukhiqiza okuphindaphindiwe. I-NPI kufanele idale isisekelo sokukhiqiza esilawulwayo kunokukhiqiza inani elincane lamabhodi.

I-Highleap isekela ukwakhiwa kwe-prototype ye-PCB assembly futhi ingahlinzeka nokuhlolwa kwesihloko sokuqala kwe-PCB assembly lapho iphrojekthi idinga ukuqinisekiswa okusemthethweni kokukhiqiza.

Okufanele Ukuthumele Ukuze Uthole Isilinganiso Sokuhlanganiswa Kwe-PCB Esincane

I-RFQ ewusizo inikeza umenzi ulwazi olwanele lokuqonda ububanzi bangempela bokuhlanganisa. Kumabhodi acwebezelayo, idatha yephakheji ibaluleke kakhulu ngoba isigaba esifanayo sezingxenye singaba nezinyathelo ezihlukene, amaphethini omhlaba kanye nezidingo zokuhlanganisa.

• Amafayela e-PCB: Idatha yamanje ye-Gerber noma efanayo yokukhiqiza, ukubuyekezwa kwebhodi, ubukhulu kanye nokuqoqwa kwempahla.
• I-BOM enama-MPN: Izinombolo zezingxenye zomkhiqizi, ubuningi, amanani, ukubekezelelana kanye nezinye izinto ezivunyelwe.
• Amafayela okukhetha nokubeka: Izixhumanisi ze-Centroid, ukuzungeza kanye nolwazi oluseceleni kwezingxenye.
• Umdwebo wokuhlanganisa: I-Polarity, amanothi akhethekile, imikhawulo yezingxenye kanye nanoma yimiphi imiyalelo ebalulekile yokuhlanganisa.
• Imibhalo yephakheji: Amashidi edatha noma imidwebo yamaphakheji amadivayisi abalulekile e-BGA, QFN, QFP, CSP, LGA noma amanye ama-fine-pitch.
• Ububanzi bokuhlola: Ukuhlolwa okudingekayo kwe-SPI, AOI, X-ray, kagesi, okusebenzayo noma okuchazwe amakhasimende.
• Ubuningi neshejuli: Uhlobo lwesibonelo, i-NPI, inani lokukhiqiza elinomthamo ophansi noma eliphindaphindayo kanye nesikhathi esiqondiwe.
• Umthwalo wemfanelo wokuthola ulwazi: Thola ukuthi i-Highleap inikeza zonke izingxenye, izinto ezikhethiwe, noma yenza ukuhlanganiswa okunikezwa amakhasimende.

Yimaphi amafayela adingekayo ukuze kuhlanganiswe ikhotheshini ye-PCB ecacile?

Okungenani, umenzi udinga idatha yamanje yokukhiqiza i-PCB, i-BOM kanye nolwazi lokubekwa. Ukuze uthole ukuhlanganiswa okuyinkimbinkimbi kwe-fine-pitch, imidwebo yamaphakheji, imibhalo yokuhlanganiswa kanye nezidingo zokuhlola kwenza ukubuyekezwa kuthembeke kakhulu.

Izidingo zefayela le-PCB le-Highleap zingasiza ekuhleleni iphakheji yokukhiqiza. Uma udinga ikhotheshini ehlanganisiwe ye-PCB engenalutho kanye ne-PCBA, i-Highleap ingabuyekeza zombili izikophu ndawonye kunokuhlukanisa ukwenziwa kanye nokuqagela kokuhlanganiswa.

Imibuzo Evame Ukubuzwa Yomhlangano We-PCB We-Fine Pitch

Kuyini ukuhlanganiswa kwe-PCB okune-pitch encane?

Ukuhlanganiswa kwe-PCB okune-pitch encane kubhekisela ekuhlanganisweni kwe-SMT lapho ama-terminal ezingxenye, izindawo noma ukuxhumana kwe-solder kusondelene ngokwanele kangangokuthi inqubo yokukhiqiza idinga ukulawulwa okuqinile kwe-geometry yezinyawo, ukufakwa kwe-paste, ukubekwa, ukushiselwa kanye nokuhlolwa. Umkhawulo osebenzayo uncike ephaketheni kanye nomklamo webhodi eliphelele.

Yiziphi izingxenye ezivame ukusetshenziswa ekuhlanganisweni kwe-PCB okune-pitch encane?

Izibonelo ezivamile zifaka phakathi amaphakheji e-QFP acwebezelayo, i-QFN, i-BGA, i-micro-BGA, i-CSP kanye ne-LGA. Lokhu kungahlanganiswa nama-passive ajwayelekile e-SMT, izixhumi, amadivayisi kagesi kanye nezingxenye ze-through-hole ku-PCBA efanayo.

Iyini iphimbo eliphansi le-IC elifanele uhla lwe-Highleap?

Ithebula lamandla e-SMT elishicilelwe yi-Highleap libala iphimbo le-IC elincane elingu-0.2 mm . Leso sibalo esishicilelwe akufanele sihunyushwe njengokuvunyelwa kokukhiqiza okuzenzakalelayo komklamo ngamunye wephimbo elingu-0.2 mm; ingxenye yangempela, ukwakheka kwe-PCB, izinto kanye nenqubo kufanele kubuyekezwe kuphrojekthi ethile.

Yimaphi ama-pitch e-BGA kanye ne-micro-BGA afakwa yi-Highleap?

Ithebula lamandla e-SMT elishicilelwe yi-Highleap libala i -BGA kanye ne-micro-BGA pitch okungenani engu-0.2 mm . Indlela yokukhiqiza isadinga ukuhlolwa ngokuqhathanisa nephakheji langempela, ukwakhiwa kwe-PCB, inqubo yokunamathisela kanye nezidingo zokuhlola.

Ingabe ukuhlanganiswa kwe-fine-pitch kudinga i-X-ray njalo?

Cha. I-X-ray ikhethwa uma izixhumi ze-solder ezifihliwe noma okunzima ukuzifinyelela futhi uhlelo lwekhwalithi luyifanele. Amaphakheji abonakalayo aqondile angase athembele kakhulu ku-AOI, kuyilapho i-BGA namanye amaphakheji ahlanganisiwe afihliwe angadinga ukumbozwa kwe-X-ray.

Ingabe izingxenye ze-SMT ezicijile kanye nezindawo ezimbobo edlulayo zingahlanganiswa ku-PCB efanayo?

Yebo. Amabhodi obuchwepheshe obuxubile avamile. Uchungechunge lokuhlanganiswa, iphrofayili yokushisa, ukuphakama kwezingxenye, ukwesekwa kwebhodi kanye nemisebenzi yesibili yokunamathisela kufanele kuhlelwe ku-BOM ephelele.

Ingabe i-Highleap ingakhiqiza i-PCB futhi ihlanganise izingxenye ze-fine-pitch?

Yebo. I-Highleap Electronics inikeza ukukhiqizwa kwe-PCB kanye nokuhlanganiswa kwe-PCB, ngakho-ke izidingo zokwakha kanye nokuhlanganiswa kwebhodi elingenalutho zingahlanganiswa ngaphakathi kohlelo olulodwa lokukhiqiza. Ukuthola izingxenye, i-SMT, ukuhlolwa kanye nokuhlolwa kungafakwa ngokuya ngobubanzi bephrojekthi.

Ingabe i-PCBA esezingeni eliphansi ingasuka ekukhiqizweni kweprototype iye ekukhiqizweni?

Yebo. Imfuneko ebalulekile ukugcina ukubuyekezwa kwe-PCB okuvunyiwe, i-BOM, ulwazi lwephakheji, indlela yokubhala nge-stencil, uhlelo lokubeka, inqubo yokugeleza kabusha, uhlelo lokuhlola kanye nezidingo zokuhlola njengoba umkhiqizo ungena ekukhiqizweni okuphindaphindayo.