Choyamba anaonekera mu 1950 umodzi amaganiza pcb bolodi , umodzi amaganiza PCB ntchito pepala phenolic amuthandiza bolodi, iwiri amaganiza dera bolodi ndi losavuta kumvetsa mbali zonse ndi Kulumikizana, motero bwino kusiyana, gululi ndi woposa zigawo 2, Kulumikizana mavuto ambiri ndi mtengo, zomwe zilipo chonde tsatirani opanga ma China PCB kuti amvetse:

Mbiri ya bolodi limodzi lokhazikika:

Bokosi loyenda limodzi lokha ndi chinthu chopangidwa ku United States ndi mawonekedwe a transistors koyambirira kwa ma 1950. Panthawiyo, kutchera molunjika kwa zojambulazo zamkuwa inali njira yopangira.

Mu 1953-1955, Japan idagwiritsa ntchito zojambulazo zamkuwa zopangidwa kuchokera kunja kuti apange pepala ya phenolic mkuwa wojambula koyamba, ndipo umagwiritsidwa ntchito kwambiri pawailesi.

Mu 1956, atapanga akatswiri opanga ma board ku Japan, ukadaulo wopanga wa gulu limodzi nthawi yomweyo udapita mwachangu.

Pankhani yazida, koyambirira, gawo lazinthu zopangira pepala zamkuwa zamankhwala ndizofunika kwambiri. Komabe, chifukwa chakumangako kocheperako kwamagetsi, kuwotcherera koyipa kwa kutentha, kusokonekera komanso zinthu zina za phenolic panthawiyo, zida monga utomoni wamagolo amphongo ndi utomoni wamagalasi epoxy utomoni pang'onopang'ono zidapangidwa. Pakadali pano, gulu limodzi lokhalo lofunidwa ndi makina amagetsi ogula pafupifupi limatengera gawo la phenolic resin substrate.

NKHANI za bolodi limodzi lokhazikika:

Gulu limodzi lili pa PCB yofunikira kwambiri, mbali zake zimakhala mbali imodzi ndipo mawaya ena ali mbali inayo.Pakuti mawaya amangowonekera mbali imodzi, timatcha TYPE iyi ya PCB yokhala mbali imodzi. zolepheretsa zolimba zamagulu am'mbali (chifukwa mbali imodzi yokha ya dera silingadutsidwe ndipo amayenera kuvulazidwa m'njira ina);

Chithunzi cholumikizira cholumikizira cha gulu limodzi chimayang'aniridwa ndi Screen Printing, zomwe zikutanthauza kuti kutsekereza wothandizirayo kumasindikizidwa pamwambapa, ndikukhazikika kuti muchepetse kusindikiza kwa solder, ndipo pomalizira pake kukhomerera kukugwiritsidwa ntchito kumaliza mabowo ndikuwongolera kwa ziwalozo. mankhwala ena omwe amapangidwa pang'onopang'ono komanso m'njira zosiyanasiyana, kujambula momwe chithunzi chimapangidwira ndi photosensitizer chimagwiritsidwa ntchito.

Zomwe zili pamwambazi ndi mbiriyakale ya bolodi la dera ndi mawonekedwe oyamba, ndikhulupilira kuti ndikuthandizirani ~ Ndife pcb bolodi wopangawanu ~