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What is the most expensive substrate in a metal substrate?

Shenzhen Inno Circuit Co.,Ltd | Updated: Sep 27, 2016

   Copper substrate circuit layer requires a large current carrying capacity, which should be used thicker copper foil, the thickness of general 35μm ~ 280μm; thermal insulation layer is the core technology of copper substrate, (0.175), excellent viscoelastic properties, with the ability of heat aging, can withstand mechanical and thermal stress. Copper substrate Metal substrate is the support of copper substrate components, requiring high thermal conductivity, usually copper, can also use copper (which can provide better thermal conductivity of copper), suitable for drilling, punching and cutting and other conventional mechanical processing .