Zitsulo za zitsulo zamkuwa zodulidwa ndi fr-4 ndi awiri omwe amagwiritsidwa ntchito kwambiri osindikizidwa (PCB) m'magulu amagetsi. Amasiyana mu kapangidwe kazinthu, machitidwe a magwiridwe antchito ndi magawo a ntchito. Masiku ano, lotalika lidzakupatsirani kuwunika kofananira kwa zinthu ziwirizi kuchokera muukadaulo:

Chitsulo chazitsulo zamkuwa Copy Clain: Ndi zinthu zokhudzana ndi zitsulo zozizwitsa, zomwe nthawi zambiri zimagwiritsa ntchito aluminium kapena mkuwa monga gawo lapansi. Gawo lake lalikulu ndi njira yabwino yowombera ndi kuthekera kotentha mawu, motero ndizotchuka kwambiri pakugwiritsa ntchito komwe kumafuna kuchititsa mphamvu kwambiri, monga kuwunika kwamphamvu komanso kutembenuka kwamphamvu. Gawo lazitsulo limatha kuchita kutentha ndi malo otentha a PCB kupita ku bolodi lonse, motero amachepetsa kutentha kumanga ndikuwongolera magwiridwe ake.

Fr-4: Fr-4 ndi chinthu champhamvu chomata ndi nsalu zagalasi ngati zinthu zolimbitsa thupi ndi epoxy zotchinga ngati bander. Pakalipano gawo logwiritsidwa ntchito kwambiri limagwiritsidwa ntchito kwambiri, chifukwa cha mphamvu zake zabwino, katundu wamagetsi ndi moto wamagetsi ndi moto wovuta kwambiri ndipo amagwiritsidwa ntchito kwambiri pazosiyanasiyana zamagetsi. Fr-4 ali ndi moto wobwezeretsa wa Ul94 V-0, zomwe zikutanthauza kuti imayaka mu lawi la nthawi yochepa kwambiri ndipo ndi yoyenera kugwiritsidwa ntchito pazolinga zamagetsi zomwe zimafunikira kwambiri.

Kusiyanitsa kwakukulu:

Zinthu zopindika: mapanelo a Copper-Copy amagwiritsa ntchito chitsulo (monga aluminium kapena mkuwa) ngati gawo lapansi, pomwe fr-4 amagwiritsa ntchito nsalu ndi epoxy.

Thermal. Mafuta am'madzi a chitsulo cha zitsulo ndi apamwamba kwambiri kuposa a Fr-4, omwe ali oyenera kugwiritsa ntchito ndalama zofuna kutentha.

Kulemera komanso makulidwe: Mapepala a Coptor Copper nthawi zambiri amakhala olemera kuposa fr-4 ndipo akhoza kukhala wowonda.

Kutha kwa njira: Fr-4 ndikosavuta njira, yoyenera kupanga mapangidwe a mitundu ya PCB; Pulogalamu yachitsulo yamkuwa ndi yovuta kuchita, koma yoyenera kuphatikizika kapena kapangidwe kambiri.

Mtengo: mtengo wa pepala lachitsulo lamkuwa nthawi zambiri limakhala lokwera kuposa Fr-4 chifukwa cha mtengo wazitsulo wapamwamba.

Mapulogalamu: Zidutswa zachitsulo zamkuwa zamkuwa zimagwiritsidwa ntchito makamaka zida zamagetsi zomwe zimafunikira kuti kutentha kwamoto ukhale ndi mphamvu yotentha komanso kuyatsa. The Fr-4 ndiwokonda, woyenera mapangidwe ambiri amagetsi ndi mapangidwe a pcb-pcb.

Mwambiri, kusankha kwa Clad Clad kapena Fr-4 kumatengera zofunikira zamagetsi za malonda, kupanga zofuna zamafuta, kupanga batala, ndalama zolipirira ndi zotetezeka.