Sivame ukubuzwa mayelana nokuguquguquka.Kunjalo, kungani futhi ungadinga ibhodi "flex"?
"Ingabe i-flex board izoqhekeka uma kusetshenziswa i-ED copper?''
Ngaphakathi kwalesi sihloko singathanda ukuphenya izinto ezimbili ezihlukene (i-ED-Electrodeposited ne-RA-rolled-annealed) futhi sibheke umthelela wazo empilweni ende yesifunda.Nakuba siqondwa kahle imboni ye-flex, asiwutholi lowo mlayezo obalulekile kumklami webhodi.
Ake sithathe isikhashana sibuyekeze lezi zinhlobo ezimbili ze-foil.Nakhu okubonwa ngezigaba ezihlukene kwe-RA Copper kanye ne-ED Copper:
Ukuvumelana nezimo zethusi kuvela ezintweni eziningi.Yiqiniso, i-thinner iyithusi, ibhodi liguquguquka kakhulu.Ngaphezu kokuqina (noma ukuncipha), okusanhlamvu kwethusi nakho kuthinta ukuguquguquka.Kunezinhlobo ezimbili ezijwayelekile zethusi ezisetshenziswa ku-PCB kanye nezimakethe zesekethe eziguquguqukayo: i-ED ne-RA njengoba kushiwo ngenhla.
Roll i-Anneal Copper Foil (ithusi le-RA)
I-Rolled Annealed (RA) Copper isetshenziswe kakhulu embonini yokukhiqiza ama-flexible circuits kanye nemboni yokwenziwa kwe-PCB eqinile amashumi eminyaka.
Isakhiwo sokusanhlamvu kanye nendawo ebushelelezi ilungele izinhlelo zokusebenza eziguquguqukayo, eziguquguqukayo zokujikeleza.Enye indawo enentshisekelo ngezinhlobo zethusi eligoqiwe ikhona kumasiginali wemvamisa ephezulu kanye nezinhlelo zokusebenza.
Kufakazelwe ukuthi ubulukhuni bendawo yethusi bungaba nomthelela ekulahlekelweni kokufakwa kwe-high-frequency futhi indawo yethusi ebushelelezi inenzuzo.
I-Electrolysis Deposition Copper Foil (ithusi le-ED)
Ngethusi le-ED, kunokwehlukahlukana okukhulu kwama-foil ngokuphathelene nobulukhuni bomhlaba, ukwelashwa, ukwakheka okusanhlamvu, njll. Njengesitatimende esivamile, i-ED yethusi inokwakheka kokusanhlamvu okuqondile.Ikhopha ye-ED evamile ngokuvamile inephrofayili ephezulu ngokuqhathaniswa noma indawo embi kakhulu uma iqhathaniswa ne-Rolled Annealed (RA) Copper.Ikhopha ye-ED ivamise ukuntula ukuguquguquka futhi ayikhuthazi ubuqotho besignali enhle.
I-EA yethusi ayilungele imigqa emincane kanye nokumelana nokugoba okubi ukuze i-RA yethusi isetshenziselwe i-PCB eguquguqukayo.
Kodwa-ke, asikho isizathu sokwesaba ithusi le-ED ezinhlelweni eziguqukayo.
Kodwa-ke, asikho isizathu sokwesaba ithusi le-ED kuzinhlelo zokusebenza ezinamandla.Ngokuphambene nalokho, ukukhetha kwe-de facto ezinhlelweni zabathengi ezincane, ezingasindi ezidinga amanani omjikelezo aphezulu.Okuwukuphela kwento ekhathazayo ukulawula ngokucophelela lapho sisebenzisa khona "i-additive" plating yenqubo ye-PTH.Icwecwe le-RA ukuphela kwenketho etholakalayo ezisindweni zethusi ezinzima (ngaphezu kuka-1 oz.) lapho izinhlelo zokusebenza zamanje ezinzima kanye nokuguquguquka okuguquguqukayo kuyadingeka.
Ukuze uqonde izinzuzo nezingozi zalezi zinto ezimbili, kubalulekile ukuqonda izinzuzo kukho kokubili izindleko nokusebenza kwalezi zinhlobo ezimbili ze-foil yethusi futhi, okubaluleke kakhulu, ukuthi yini etholakalayo kwezohwebo.Umklami udinga ukucabangela hhayi kuphela ukuthi yini ezosebenza, kodwa ukuthi ingathengwa yini ngentengo engeke iphushe umkhiqizo wokugcina uphume emakethe ngamanani.
Isikhathi sokuthumela: May-22-2022