Metal Core PCB zvinoreva musimboti (base) zvinhu zvePCB isimbi, kwete yakajairika FR4/CEM1-3, zvichingodaro. Aluminium ine yakanaka kutamisa kupisa uye kugona kubvisa, asi zvakadaro yakachipa; mhangura inotoita zvirinani asi inodhura zvakanyanya, uye simbi inogona kukamurwa kuita simbi yakajairika nesimbi isina tsvina. Iyo yakanyanya kuomarara kupfuura ese aruminiyamu nemhangura, asi yekupisa conductivity yakaderera kupfuura ivo zvakare. Vanhu vachasarudza yavo yega base / yakakosha zvinhu zvinoenderana nekushandisa kwavo kwakasiyana.

Kazhinji kutaura, aluminium ndiyo yakanyanya hupfumi sarudzo uchifunga nezvekupisa kwekushisa, kuoma, uye mutengo. Naizvozvo, iyo base / yakakosha zvinhu zveyakajairika Metal Core PCB inogadzirwa nealuminium. Mukambani yedu, kana isiri yakakosha chikumbiro, kana manotsi, iyo simbi yepakati referensi ichave aluminium, ipapo MCPCB ichareva Aluminium Core PCB. Kana uchida Copper Core PCB, Steel Core PCB, kana Stainless simbi musimboti PCB, unofanira kuwedzera akakosha manotsi mukudhirowa.

Dzimwe nguva vanhu vanozoshandisa kudimburira “MCPCB”, pachinzvimbo chezita rizere seMetal Core PCB, kana Metal Core Printed Circuit Board. Uye zvakare rakashandiswa izwi rakasiyana rinoreva musimboti / hwaro, saka iwe uchaonawo zita rakasiyana reMetal Core PCB, senge.  Metal PCB, Metal Base PCB, Metal Backed PCB, Metal Clad PCB uye Metal Core Board uye zvichingodaro.

MCPCBs anoshandiswa pachinzvimbo chechinyakare FR4 kana CEM3 PCBs nekuda kwekugona kudzima kupisa kubva kune izvo zvinoriumba. Izvi zvinowanikwa nekushandisa Thermally Conductive Dielectric Layer.

Musiyano mukuru pakati peFR4 board neMCPCB ndiyo inopisa conductivity dielectric zvinhu muMCPCB. Iri rinoita sebhiriji rinopisa pakati pezvikamu zveIC uye ndiro yekusimbisa simbi. Kupisa kunoitwa kubva pasuru kuburikidza nesimbi core kune imwezve kupisa singi. PaFR4 bhodhi kupisa kunoramba kwakamira kana kukasaendeswa neiyo topical heatsink. Zvinoenderana nekuyedza lab MCPCB ine 1W LED yakaramba iri padyo nenzvimbo ye25C, ukuwo 1W LED pabhodhi reFR4 yakasvika 12C pamusoro penzvimbo. LED PCB inogara ichigadzirwa neAluminium musimboti, asi dzimwe nguva simbi yepakati PCB inoshandiswawo.

Kubatsira kweMCPCB

1.kupisa kupisa

Mamwe ma LED anoparadza pakati pe2-5W yekupisa uye kukundikana kunoitika kana kupisa kubva ku LED kusina kubviswa zvakanaka; mwenje we LED unodzikiswa pamwe nekudzikira kana kupisa kunoramba kwakamira mupakeji ye LED. Chinangwa cheMCPCB ndechekubvisa kupisa kubva kune ese topical IC's (kwete chete maLED). Iyo aluminium base uye thermally conductive dielectric layer inoita semabhiriji pakati peIC's uye sink yekupisa. Imwe chete yekupisa sink inoiswa yakananga kune aruminiyamu base ichibvisa kudiwa kweakawanda kupisa sink pamusoro pepamusoro akaiswa zvikamu.

2. kuwedzera kwekupisa

Kuwedzera kwekupisa uye kuputika ndiyo yakajairika hunhu hwechinhu, CTE yakasiyana yakasiyana mukuwedzera kwekupisa. Sezvimiro zvayo, aruminiyamu nemhangura zvine yakasarudzika kupfuura yakajairwa FR4, yekupisa conductivity inogona kuita 0.8~3.0 W/c.K.

3. dimensional kugadzikana

Zviri pachena kuti saizi yesimbi-yakavakirwa yakadhindwa redunhu bhodhi yakagadzikana kupfuura insulating zvinhu. Saizi shanduko ye2.5 ~ 3.0% apo Aluminium PCB uye aruminiyamu sandwich mapaneru akadziya kubva 30 ℃ kusvika 140 ~ 150 ℃.


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