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MessagePosté le: Sam Jan 09, 2021 10:35 am  Répondre en citant

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continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 6 Layer Fr4 Board, E207844 Smt-5 94v-0 Pcb , 6 Layer Electronic Board , Fr4 Polyamide Pcb Board , If needed, welcome to help make speak to with us by our web page or cellular phone consultation, we are going to be delighted to serve you. We normally believe that one's character decides products' quality, the details decides products' high-quality ,while using the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for 6 Layer Fr4 Board, We also have the strong ability of integration to supply our best service, and plan to build the warehouse in the different countries around the world, that will probably be more conveniently to service our customers.To get more news about fr4 board, you can visit pcbmake official website.
I have a question regarding thermal dissipation of PCB using copper surface. I have seen couple LED PCBs used FR4 board and top and bottom surface were field with 2oz copper. It was copper trace, but it covered entire circuit board. I thought I understand heat sink application, but I don't get how the thin 2oz copper trace on FR4 board works as a heat sink. knowing 2oz copper is about 70um which is really thin as compared to FR4 1.6mm board.
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