- I-A&Q ye-PCB, Kungani i-solder mask plug hole?
1. Kungani i-BGA itholakala emgodini we-solder mask?Liyini izinga lokwamukela?Re: Okokuqala, imbobo yepulaki yemaski ye-solder iwukuvikela impilo yesevisi ye-via, ngoba imbobo edingekayo endaweni ye-BGA ngokuvamile incane, phakathi kuka-0.2 no-0.35mm.Enye isiraphu akulula ukuba yomiswe noma ihwamuke, futhi kulula ukushiya izinsalela.Uma imaski ye-solder ingaxhumi imbobo noma ipulaki...
- Idizayini ye-Half-hole yeBhodi Lesekethe
I-metalized half-hole isho ukuthi ngemva kwembobo yokubhoboza (i-drill, i-gong groove), bese kuthi eyesibili ibhobolwe futhi ibunjwe, futhi ekugcineni ingxenye yembobo eyenziwe ngensimbi (igroove) iyagcinwa.Ukuze ulawule ukukhiqizwa kwamabhodi ensimbi anengxenye yembobo, abakhiqizi bebhodi lesifunda ngokuvamile bathatha izinyathelo ezithile ngenxa yezinkinga zenqubo lapho kuphambana khona izimbobo ezinengxenye ezinensimbi kanye nezimbobo ezingezona ezensimbi.Imbobo eyinsimbi eyenziwe ngensimbi...
- Kungani amabhodi esekethe amaningi anezingqimba eziningi eyizendlalelo ezinezinombolo ezilinganayo?
Kunamabhodi esekethe anohlangothi olulodwa, anamacele amabili futhi anezingqimba eziningi.Inani lamabhodi anezingqimba eziningi alinqunyelwe.Njengamanje kunama-PCB anezingqimba ezingaphezu kuka-100.Ama-PCB anezingqimba eziningi ajwayelekile anezingqimba ezine namabhodi engqimba ayisithupha.Khona-ke kungani abantu benombuzo othi "Kungani amabhodi e-PCB amaningi anezinombolo ezilinganayo? Uma sikhuluma nje, ama-PCB anezinombolo ezilinganayo anama-PCB anezinombolo ezingavamile, ...
- Kungani ibhodi lesifunda eliphrintiwe lidinga ukulawulwa kwe-impedance?
Kungani ibhodi lesifunda eliphrintiwe lidinga ukulawulwa kwe-impedance?Emugqeni wesiginali yokudlulisela wedivaysi ye-elekthronikhi, ukumelana okuhlangabezwana nakho lapho isignali yefrikhwensi ephezulu noma igagasi logesi lisakazeka kubizwa ngokuthi i-impedance.Kungani amabhodi e-PCB kufanele angasebenzi ngesikhathi sokwenziwa kwefekthri yebhodi lesifunda?Ake sihlaziye kulezi zizathu ezi-4 ezilandelayo: 1. Ibhodi lesifunda le-PCB le ...
- Ungawalawula kanjani ikhasi le-warpage lebhodi lesifunda
I-Warping yebhodi yesekethe yebhethri izobangela ukuma okungalungile kwezingxenye;lapho ibhodi ligobile ku-SMT, THT, izikhonkwane zengxenye zizobe zingavamile, okuzoletha ubunzima obuningi emsebenzini wokuhlanganisa nokufaka.I-IPC-6012, i-SMB-SMT Amabhodi esekethe Aphrintiwe anekhasi le-warpage eliphakeme noma elisontekile elingu-0.75%, futhi amanye amabhodi ngokuvamile awadluli u-1.5%;i-warpage evumelekile (kabili...
- Igridi yethusi, ithusi eliqinile.Yiphi?
Kuyini ukunamathela kwethusi?Okubizwa ngokuthi ukuthululwa kwethusi ukusebenzisa indawo engasetshenzisiwe ku-PCB njengendawo eyireferensi bese uyigcwalisa ngethusi eliqinile.Lezi zindawo zethusi zibizwa nangokuthi ukugcwaliswa kwethusi.Ukubaluleka kwe-copper coating ukunciphisa i-impedance yocingo oluphansi nokuthuthukisa ikhono lokulwa nokuphazamiseka;ukunciphisa ukwehla kwamandla kagesi futhi kuthuthukise ukusebenza kahle kokunikezwa kwamandla;uma...
- PCB Pad usayizi
Lapho uklama amaphedi e-PCB ekwakhiweni kwebhodi le-PCB, kuyadingeka ukuklama ngokuqinile ngokuhambisana nezidingo namazinga afanele.Ngoba ekucubunguleni isichibi se-SMT, ukwakheka kwephedi ye-PCB kubaluleke kakhulu.Umklamo we-pad uzothinta ngokuqondile ukuthengiswa, ukuzinza nokudlulisa ukushisa kwezingxenye.Ihlobene nekhwalithi yokucubungula isichibi.Khona-ke yini i-PC...
- Inkomba yokulandela umkhondo yokuqhathanisa ye-PCB
Ukumelana nokulandelela kwe-laminate ye-copper clad kuvame ukuvezwa yi-comparative tracking index (CTI).Phakathi kwezakhiwo eziningi ze-copper clad laminates (i-copper clad laminates for short), ukuphikiswa kokulandelela, njengenkomba ebalulekile yokuphepha nokuthembeka, kuye kwanda ukwanda ngabaklami bebhodi lesifunda se-PCB nabakhiqizi bebhodi lesifunda.Inani le-CTI lihlolwa ngokuvumelana ne...
- I-PCB Laminating
1. Inqubo eyinhloko Browning→vula i-PP→ukuhlelwa kwangaphambili→isakhiwo→cindezela-linganisa→qaqa→ifomu→FQＣ→IQＣ→iphakheji 2. Amapuleti akhethekile (1) Impahla ye-pcb ephezulu Ngokuthuthuka kwemboni yolwazi lwe-elekthronikhi, isicelo izinkambu zamabhodi aphrintiwe ziye zanda futhi zanda, futhi izidingo zokusebenza kwamabhodi aphrintiwe ziye zahlukahluka kakhulu.Ngaphezu kokusebenza kwe-o...
- Ukukhiqiza Amabhodi Esifunda Aphrintiwe
Uma uzibuza ukuthi ayini kahle-hle i-Printed Circuit Boards (PCBs) nokuthi akhiwa kanjani, awuwedwa.Abantu abaningi banokuqonda okungacacile kokuthi "Amabhodi Wesifunda", kodwa empeleni ababona ochwepheshe uma kuziwa ekukwazini ukuchaza ukuthi iyini Ibhodi Lesifunda Eliphrintiwe.Ama-PCB ngokuvamile asetshenziselwa ukusekela nokuxhuma nge-elekthronikhi izingxenye ze-elekthronikhi ezixhunyiwe ebhodini.Okunye ukuhlolwa...
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