1

nhau

PCB conformal coating uye PCB encapsulation, ndeipi yaungasarudza?

Nekukurumidza kukura kweindasitiri yemagetsi, kushandiswa kwePCB kwakawedzerawo zvakanyanya.Nekudaro, kushandiswa kwayo mumashandisirwo akasiyana kunoreva kuti maPCB ari pasi pemamiriro akasiyana ezvakatipoteredza.Iko PCB inoratidzirwa kune unyoro kana makemikari ane hutsinye, kuita kunogona kuve kwekunetseka.Naizvozvo, iyo PCB inofanirwa kuve yakavharwa kuti idzivirire kubva kune zvakatipoteredza mamiriro.Kudzivirirwa uku kunogona kuwanikwa nekukochekera kwakarembera kana poto kana ne encapsulation.

Potting uye encapsulation resin inoenda kure mukupa yakakwira mazinga edziviriro kumaPCB.Muchokwadi, kurongedza kunopa ese emagetsi maitiro uye kuchengetedzwa kwemichina.Iyi yakakwirira yekudzivirira inovimbiswa nehuwandu hukuru hweresin inotenderedza iyo yese unit.Izvi zvakakura zvakanyanya kana zvichienzaniswa neakapfeka machira.Muchokwadi, potting uye encapsulation inopa hupenzi dziviriro.Nekudaro, poto uye encapsulating resins inoda kuyedzwa munzvimbo dzakawanda kuitira kuti uone mataurirwo awo uye kukodzera kushandiswa.Miedzo iyi inowanzo sanganisira kuvaisa pachena kune inodzorwa mamiriro emuchadenga nekufamba kwenguva.Saizi, uremu uye kutaridzika kweresin inogona kuoneka pamberi uye mushure mebvunzo kuti utarise chero shanduko.

Pamusoro pekuputira uye encapsulation resins, conformal coatings inogona zvakare kuiswa kuchengetedza PCBs.Izvi zvinoitwa nekuishandisa se membrane.Sezvo iyo firimu inotora chimiro chebhodhi, haikonzeri chero shanduko yediki kana kuwedzera huremu hwakakosha.Muchokwadi, izvi zvinobatsira kune conformal coatings nekuti zvinoita kuti zvive nyore kugadzira michina inotakurika.Nekudaro, bvunzo dzinodiwa kuti uongorore magetsi uye emagetsi zvimiro zvemufirimu munzvimbo dzinoshanda.Mafirimu anofanirwa kuongororwa pasi pemamiriro akaita sehunyoro, tembiricha, nezvimwewo kuti aone kukodzera kwefirimu kune iyi mamiriro emuchadenga.

Conformal coating pamwe ne encapsulation uye potting inowanikwa muhukuru hwakasiyana kuti ive yakakodzera kune chaiyo application.Kune akawanda akajairwa mamiriro, conformal coating inoshanda zvakanaka pamwe nepoto uye resin encapsulation.Zvisinei, kana mamiriro acho akaoma, kusarudzwa kwekuputira kuchave kwakasiyana.Semuenzaniso, acrylic coatings inoshanda zvakanaka nekugara ichiratidzwa kune UV mwenje.Nekudaro, ma acrylic coatings anogona kusashanda zvakare mumamiriro ezvinhu ane hunyoro hwakanyanya.Pasi pemamiriro aya, pendi dzisiri dzeVOC dzinogona kuita zvirinani.

Kuita kwakaringana kwechishandiso kunowanikwa kuburikidza nekushandisa potting uye encapsulation resin uko kwakakura kwemechani kushushikana kana kuomarara mamiriro ezvakatipoteredza angave aripo.Silicone kana polyurethane resins inozivikanwa kupa yakakura dhigirii yekuchinjika.Muchokwadi, uko kutonhora kwakanyanya kuderera, polyurethane resins inosarudzwa.Izvo zvakare zvakanakira zvishandiso zvakanyudzwa mumvura.Panyaya yekusangana nemakemikari, epoxy resins inosarudzwa.

Nokudaro, zviri pachena kuti kusarudzwa kwekuputira kune zvakawanda zvekuita nemamiriro ezvinhu emuviri umo midziyo inoshanda.Conformal coating ratings yemaparamita akadai sekureruka uye kumhanya kwekugadzirisa, poto uye encapsulating resins inosarudzwa kunyangwe mumamiriro ekunze akaoma.Conformal coatings inosarudzwawo uko miniaturization uye kutakurika kwechishandiso kuchidikanwa.Nekuti ese ari maviri anopa mabhenefiti akajeka, kuongororwa kwakaringana kwezvido zvako zvakasarudzika kwakakosha usati wafunga nezvekupfeka.


Nguva yekutumira: Kubvumbi-19-2023