Emkhakheni wokukhiqiza we-PCB (Printed Circuit Board), ukunemba kokumba kunquma ngokuqondile ukusebenza kukagesi kanye nezinga lokukhiqiza lebhodi lesifunda. Kusukela kuma-chips omakhalekhukhwini ukuya kumabhodi esekethe ye-aerospace, ukunemba kwawo wonke ama-micron-level aperture kubalulekile empumelelweni noma ekuhlulekeni komkhiqizo. Izisekelo ze-Granite, ezinezakhiwo zazo eziyingqayizivele kanye nezinzuzo zesakhiwo, ziba "uzakwethu wegolide" wemishini yokumba ye-PCB, okwenza ukunemba kwemboni kufinyelele ukuphakama okusha.
I. Inzuzo Engokwemvelo: Ukusebenza okuzinzile kubeka isisekelo sokunemba
Ukuqina okushisayo okuvelele
Phakathi nenqubo yokubhoboza ye-PCB, ukushisa okukhiqizwa ukujikeleza kwe-drill ngesivinini esiphezulu kungafinyelela ku-60-80℃. Ukwandiswa kwezinto ezijwayelekile zensimbi ngenxa yokushisa kungabangela kalula ukuthi indawo yokumba ishintshe. I-coefficient yokunwetshwa okushisayo kwe-granite ingu-4-8×10⁻⁶/℃ kuphela, okuyi-1/5 kuphela yaleyo yensimbi. Lokhu kusho ukuthi noma izinga lokushisa le-ambient liguquguquka kakhulu, ukuguqulwa kwesisekelo se-granite kungashaywa indiva. Ngemva kokuba umkhiqizi othile webhodi lesifunda emukele isisekelo se-granite, iphutha lesimo sokumba lancishiswa lisuka ku-±50μm kuya ku-±10μm, lithuthukisa kakhulu ukuhambisana kokusebenza kukagesi webhodi lesifunda.
2. Ukusebenza kwe-seismic enamandla kakhulu
Ukudlidliza kwemvamisa ephezulu yomshini wokumba ezinkulungwaneni zokuphenduka ngomzuzu kungathinta ukuma kwebhithi yokubhoboza, okuholela ekuphambukeni kobubanzi bembobo. Izakhiwo zemvelo zokumanzisa ngaphakathi kwegwadle ziyenza ikwazi ukumunca ngaphezu kuka-90% wokudlidliza kwemishini (20-50Hz). Idatha elinganisiwe ibonisa ukuthi ngemva kokufaka isisekelo se-granite, i-amplitude yokudlidliza yebhithi yokubhoboza yehla isuka ku-15μm yaya ku-3μm, futhi inani lika-Ra lobulukhuni bodonga lwembobo ebhoboziwe lehle ngo-60%, linciphisa kakhulu izinkinga zokubhoboza nezinkinga zodonga lwembobo.
3. Ukumelana nokugqoka okuhlala isikhathi eside
Ukubhola kwe-PCB kuwumsebenzi wemvamisa ephezulu futhi kunezidingo eziphakeme kakhulu zokumelana nokugqokwa kwendawo eyisisekelo. I-Granite inobulukhuni be-Mohs obungu-6 kuya ku-7 futhi ukumelana kwayo nokugqoka kuphindwe kathathu kunensimbi evamile. Imboni enkulu ye-PCB ibilokhu isebenzisa izisekelo ze-granite iminyaka emithathu. Ukugqoka okuphezulu kungaphansi kuka-0.01mm. Uma kuqhathaniswa nezisekelo zensimbi, umjikelezo wokubuyisela unwetshwa ngokuphindwe kabili, ukwehlisa ngokuphumelelayo izindleko zokulungisa imishini.
Ii. Ukuthuthukiswa Kwenqubo: Idizayini eyenziwe ngokwezifiso ithuthukisa ukusebenza kahle kokukhiqiza
Izisekelo zegwadle zesimanje, ngokucutshungulwa okunembayo nezakhiwo ezintsha, zikhulisa futhi inani lesicelo sazo:
Ukucutshungulwa kwepulani okunembayo okuphezulu: Ngokwamukela ubuchwepheshe bokulawula izinombolo obunama-eksisi amahlanu, ukucaba kwesisekelo kulawulwa ngaphakathi kuka-±0.5μm/m, okuhlinzeka ngendawo eyireferensi eyisicaba yemishini yokumba kanye nokuqinisekisa ukuthi iphutha lokuma kwe-drill bit lingaphansi kuka-0.01°.
Isakhiwo sokumunca ukushaqeka kwekhekheba lezinyosi: Idizayini yangaphakathi yekhekheba lezinyosi yakha imbobo ezimele, efinyelela ukuncishiswa kwamandla okudlidliza ngamaleveli amaningi, futhi ifaneleka ngokukhethekile ukucutshungulwa kwemigodi emincane engu-0.1mm noma ngaphansi.
Amashaneli okupholisa amanzi ashumekiwe ngaphambili: Emishinini yokumba enamandla amakhulu, isistimu yokupholisa amanzi yeshaneli encane eyakhelwe ngaphakathi ifakwe ukulawula umehluko wezinga lokushisa endaweni engaphansi phakathi kuka-±0.5℃, iqede ngokuphelele ingozi yokuguquka kwe-thermal.
Isakhiwo se-T-slot esenziwe ngokwezifiso: Isikhala se-T-slot nokunemba (± 0.01mm) senziwa ngokwezifiso ngokuhambisana nemodeli yomshini wokubhoboza ukuze kuzuzwe ukuma okusheshayo nokufakwa kwezinto zokusebenza, ukunciphisa isikhathi sokusebenza kwedivayisi eyodwa ngo-70%.
Iii. Ubufakazi Bemboni: Ukuthuthukiswa Kokusebenza Okubonakalayo
Ngemuva kokuthi umenzi othile we-PCB ohamba phambili ethule izisekelo ze-granite, idatha yayo yokukhiqiza izuze ukuthuthukiswa okuphumelelayo:
Okubaluleke nakakhulu, isisekelo se-granite sisize amabhizinisi ukuthi agqashule ezinkingeni zobuchwepheshe, enze ngempumelelo ama-oda ezimbobo ezincane ezingu-0.2mm noma ngaphansi, futhi avule izimakethe ezinenani eliphakeme.
Iv. Izinzuzo Ezisimeme: Inketho ekahle yokukhiqiza okuluhlaza
I-Granite iyitshe lemvelo elingenalo ikhemikhali futhi alikhiphi i-VOCs enguziro, elihlangabezana namazinga e-RoHS okuvikela imvelo. Impilo yayo yesevisi ende kakhulu inciphisa imvamisa yokushintshwa kwemishini, yehlisa ukusetshenziswa kwezinsiza kanye nokukhishwa kwekhabhoni. Isibalo se-ejensi ethile yokuvikela imvelo sibonisa ukuthi ukusebenzisa isisekelo segwadle sedivayisi eyodwa yokumba ye-PCB kunganciphisa ukukhishwa kwekhabhoni ngamathani angu-3 kuwo wonke umjikelezo wayo wokuphila, okuhambisana nokushintsha kokuluhlaza kwemboni yokukhiqiza.
Kusukela ekulawuleni ukunemba kwezinga le-micron kuya ekuthuthukisweni kwezindleko zenqubo egcwele, izisekelo zegwadle zibumba kabusha izindinganiso zezinqubo zokumba ze-PCB ngezinzuzo zazo zokusebenza ezingenakubuyiseleka. Esikhathini samanje sokuqhuma kwesidingo sama-chips e-5G ne-AI, ukukhetha isisekelo se-granite akukona nje ukutshala imali kwikhwalithi yomkhiqizo kodwa futhi kuyisinyathelo esibalulekile sokubamba indawo ephakeme yezobuchwepheshe.
Isikhathi sokuthumela: Jun-17-2025