Zoo li iav fiber ntau, txhuas txheej hauv qab yog cov khoom lag luam ntawm PCB. Qhov txawv yog hais tias lub thermal conductivity ntawm txhuas substrate yog ntau tshaj li uas ntawm cov iav fiber board, li ntawd nws yog feem ntau yog siv nyob rau hauv hwj chim Cheebtsam thiab lwm yam zaus nws thaum tshav kub kub, xws li LED teeb pom kev zoo, keyboards thiab lub hwj chim drives.Here, lub  coj txhuas pcb chaw tsim khoom qhia koj tias dab tsi yog qhov sib txawv ntawm aluminium substrate thiab fiberglass.

Qhov sib txawv ntawm cov txhuas substrate thiab fiberglass

Aluminium vs. Fiberglass Fiberglass yog cov khoom siv hluav taws xob feem ntau nruab nrab hauv Circuit Court, xws li siv FR4 daim ntawv.Nws yog raws cov iav fiber ntau ua cov khoom siv, tom qab cov nplaim tooj liab txuas rau kev tsim cov tooj liab clad phaj, tom qab ib qho xwm txheej ntawm kev ua kom tiav los ua lub tshuab luam ntawv hauv Circuit Court.

Cov ntawv ci tooj liab ntawm cov iav fiber ntau yog tsau nrog lub iav fiber board los ntawm phau ntawv, uas feem ntau yog cov roj hmab hom.Qhov fiberglass board nws tus kheej yog insulated thiab muaj qee cov nplaim retardant thaj chaw, tab sis nws cov thermal conductivity kuj tsis zoo.Yog hais tias kom daws tau qhov teeb meem ntawm thermal conductivity ntawm iav fiber board, ib feem ntawm cov khoom siv uas muaj qhov yuav tsum tau ua kom muaj cua sov dissipation feem ntau lees txais txoj kev ntawm kev ua kom sov los ntawm lub qhov.Thiab tom qab ntawd los ntawm cov koom haum pab txhawb cov cua sov kom sov.

Tab sis rau LED, nws tsis yog los ntawm kev sib txuas ncaj qha nrog lub cua sov rau cov cua sov kom tsis txhob sov.Yog hais tias lub qhov yog siv rau kev tshav kub thaum tshav kub, cov nyhuv nyob deb ntawm txaus, yog li LED feem ntau siv txhuas txheej raws li cov khoom siv hluav taws xob.

Tus qauv ntawm aluminium substrate yog qhov zoo ib yam li ntawm fiberglass phaj, tshwj tsis yog tias iav iav hloov nrog txhuas.Because aluminium nws tus kheej yog conductive, yog tias txhuas txhuas ncaj qha nrog tooj liab, nws yuav ua rau luv luv Circuit Court.Yog li ntawd phau ntawv nyob rau hauv daim ntawv txhuas txheej ntxiv rau hauv cov khoom siv sib khi, tab sis kuj yog cov khoom siv rwb thaiv tsev ntawm tooj liab thiab txhuas phaj.Qhov tuab ntawm phau ntawv yuav muaj feem cuam tshuam rau qhov rwb thaiv tsev ntawm lub phaj, kuj yog nyias rwb thaiv tsev tsis zoo, ib yam nkaus tuab yuav cuam tshuam rau lub tshav kub conduction.

Seb puas tsim tau aluminium substrate ntawm LED teeb yog conductive

Raws li tuaj yeem pom los ntawm cov qauv ntawm aluminium substrate saum toj no, txawm hais tias cov khoom siv aluminium yog conductive, qhov rwb thaiv tsev ntawm tooj liab ntawv ci thiab cov khoom siv aluminium yog nqa los ntawm resin.Yog li ntawd, tooj liab ntawv ci rau pem hauv ntej yog siv ua hluav taws xob Circuit Court, thiab lub txhuas rau sab nraum qab yog siv los ua cov khoom siv cua sov, yog li nws tsis sib txuas lus nrog tooj liab ntawv ci rau sab xub ntiag.

Txhuas aluminium yog insulated los ntawm cov ntawv ci tooj liab los ntawm cov khoom tso tawm, tab sis nws muaj qhov ntau ntawm cov kab hluav taws xob.Thaum ntxiv rau aluminium substrate, muaj cov thermal ntau dua ntawm cov tooj liab substrate, cov phaj no feem ntau siv nyob rau hauv cov khoom siv fais fab fais fab, nws cov nqi ntau npaum li cas siab tshaj li ntawm aluminium substrate.

Qhov saum toj no yog kev teeb tsa thiab tshaj tawm los ntawm LED aluminium substrate pcb cov chaw muag khoom. Yog tias koj tsis nkag siab, thov sab laj rau peb ntawm " ymspcb.com ".