[RTF] Chojambula Chopangidwa ndi Mkuwa cha ED Chosinthidwa
Chiyambi cha Zamalonda
RTF, cholembera cha mkuwa chokonzedwa ndi electrolytic ndi cholembera cha mkuwa chomwe chakonzedwa mosiyanasiyana mbali zonse ziwiri. Izi zimalimbitsa mphamvu ya zikopa za mbali zonse ziwiri za cholembera cha mkuwa, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito ngati gawo lapakati lolumikizirana ndi zinthu zina. Kuphatikiza apo, milingo yosiyanasiyana yochizira mbali zonse ziwiri za cholembera cha mkuwa imapangitsa kuti zikhale zosavuta kupukuta mbali yopyapyala ya cholembera chokonzedwa. Pakupanga bolodi losindikizidwa la circuit board (PCB), mbali yochizira ya mkuwa imagwiritsidwa ntchito pazinthu za dielectric. Mbali ya ng'oma yochizira ndi yolimba kuposa mbali inayo, zomwe zimapangitsa kuti chigwirizane kwambiri ndi dielectric. Uwu ndiye ubwino waukulu kuposa mkuwa wamba wa electrolytic. Mbali ya matte sifunikira chithandizo chilichonse chamakina kapena mankhwala musanagwiritse ntchito photoresist. Ili kale yolimba mokwanira kuti ikhale ndi cholumikizira chabwino cha laminating resist.
Mafotokozedwe
CIVEN ikhoza kupereka RTF electrolytic copper foil yokhala ndi makulidwe apakati pa 12 mpaka 35µm mpaka 1295mm m'lifupi.
Magwiridwe antchito
Chophimba cha mkuwa chosinthidwa ndi electrolytic chomwe chimakonzedwa ndi kutentha kwambiri chimayikidwa mu njira yolondola yopangira kuti chiwongolere kukula kwa zotupa zamkuwa ndikuzigawa mofanana. Malo owala okonzedwanso ndi electrolytic a chojambula cha mkuwa amatha kuchepetsa kwambiri kuuma kwa chojambula cha mkuwa chomwe chimakanikizidwa pamodzi ndikupereka mphamvu yokwanira ya chojambula cha mkuwa. (Onani Gome 1)
Mapulogalamu
Ingagwiritsidwe ntchito pazinthu zama frequency apamwamba komanso ma laminate amkati, monga malo oyambira a 5G ndi radar yamagalimoto ndi zida zina.
Ubwino
Mphamvu yabwino yolumikizirana, lamination yolunjika ya multilayer, komanso magwiridwe antchito abwino odulira. Imachepetsanso kuthekera kwa ma short circuit ndikufupikitsa nthawi yozungulira.
Gome 1. Magwiridwe antchito
| Kugawa | Chigawo | 1/3OZ (12μm) | 1/2OZ (18μm) | 1OZ (35μm) | |
| Zamkati mwa Cu | % | mphindi 99.8 | |||
| Kulemera kwa Dera | g/m2 | 107±3 | 153±5 | 283±5 | |
| Kulimba kwamakokedwe | RT (25℃) | Kg/mm2 | mphindi 28.0 | ||
| HT(180℃) | mphindi 15.0 | mphindi 15.0 | mphindi 18.0 | ||
| Kutalikitsa | RT (25℃) | % | mphindi 5.0 | mphindi 6.0 | mphindi 8.0 |
| HT(180℃) | mphindi 6.0 | ||||
| Kuuma | Wonyezimira(Ra) | μm | 0.6/4.0 | 0.7/5.0 | 0.8/6.0 |
| Matte(Rz) | 0.6/4.0 | 0.7/5.0 | 0.8/6.0 | ||
| Mphamvu Yopukuta | RT(23℃) | Kg/cm | mphindi 1.1 | mphindi 1.2 | mphindi 1.5 |
| Kuchepa kwa HCΦ (18%-1hr/25℃) | % | 5.0 yokwanira | |||
| Kusintha kwa mtundu (E-1.0hr/190℃) | % | Palibe | |||
| Solder Yoyandama 290℃ | Sek. | zosapitirira 20 | |||
| Bowo la Pinhole | EA | Zero | |||
| Preperg | ---- | FR-4 | |||
Zindikirani:1. Mtengo wa Rz wa pamwamba pa pepala la mkuwa ndi mtengo wokhazikika woyeserera, osati mtengo wotsimikizika.
2. Mphamvu ya peel ndi mtengo woyesera wa bolodi la FR-4 (mapepala 5 a 7628PP).
3. Nthawi yotsimikizira khalidwe ndi masiku 90 kuyambira tsiku lolandira.
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