Copper base Metal core pcb don tsarin nunin waje

Wannan Layer 2 netushe na jan karfePCB donhaskakawamasana'antu.A Metal Core Printed Circuit Board (MCPCB), ko PCB thermal, nau'in PCB ne wanda ke da kayan ƙarfe a matsayin tushe don ɓangaren mai watsa zafi na allo.

UL bokanCopper tushe abu, 3/3OZ(105um) kauri tagulla, ENIG Au Kauri0.8um;Ni Kauri 3um.Mafi ƙarancin ta hanyar 0.203 mmcike da guduro.

Metal Core PCB ko MCPCB

Metal Core PCB (MPCCB) an san shi da Metal Backplane PCB ko Thermal PCB.Wannan nau'in PCB yana amfani da kayan ƙarfe maimakon FR4 na yau da kullun don tushe, ɓangaren ramin zafi na allo.

As aka saniAna haifar da zafi a kan allo saboda wasu dalilai na'urorin lantarki yayin aiki.Ƙarfe yana canja zafi daga allon kewayawa kuma yana tura shi zuwa Ƙarfe mai mahimmanci ko goyon bayan dumama zafi da maɓalli na tanadi.

A cikin PCB multilayer zaku sami adadi iri ɗaya na yadudduka da aka rarraba a gefen tsakiyar ƙarfe.Misali, idan ka duba A kan PCB mai Layer 12, za ka sami yadudduka shida a sama da yadudduka shida a kasa, a tsakiya akwai cibiya ta karfe.

MCPCB ko Metal Core PCB Hakanan aka sani da ICPB ko Insulated Metal PCB, IMS ko Insulated Metal Substrates, Metal Clad PCBs da Thermal Clad PCBs.

Fko ku Don ƙarin fahimta za mu yi amfani da kalmar karfe core PCB cikin wannan labarin.

Tsarin asali na PCB na ƙarfe ya haɗa da masu zuwa:

Layin Copper - 1oz.zuwa 6oz.(mafi yawanci shine 1oz ko 2oz)

kewaye Layer

Dielectric Layer

Solder mask

Narke mai zafi ko zafin rana (ƙarfe core Layer)

Amfani ga MCPCB

Thermal Conductivity

CEM3 ko FR4 ba su da kyau wajen gudanar da zafi.idan zafi

Abubuwan da ake amfani da su a cikin PCBs ba su da kyawu kuma suna iya lalata sassan allon PCB.Shi ke nan lokacin da ƙarfe core PCBs suka zo da amfani.

MCPCB yana da kyakykyawan kyamar wutar lantarki don kare abubuwa daga lalacewa.

Hcin dissipation

Yana ba da kyakkyawan ƙarfin sanyaya.Metal core PCBs na iya watsar da zafi daga IC da nagarta sosai.The thermally conductive Layer sa'an nan canja wurin zafi zuwa karfe substrate.

Kwanciyar kwanciyar hankali

Yana ba da kwanciyar hankali mafi girma fiye da sauran nau'ikan PCBs.Bayan an canza yanayin zafi daga digiri 30 ma'aunin celcius zuwa digiri 140-150, canjin girma na ginshiƙin ƙarfe na aluminum shine 2.5 ~ 3%.

Rjawo murdiya

Tunda PCBs na core karfe suna da kyakyawan tarwatsewar zafi da zafin zafi, ba su da saurin nakasu saboda jawo zafi.Saboda wannan sifa ta ƙarfe core, PCBs sune zaɓi na farko don aikace-aikacen samar da wutar lantarki waɗanda ke buƙatar babban canji.