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Metal-based printed circuit board introduction

2018-05-16 Writer: H.C.C. Views: 1389

  The metal-based printed circuit board, also known as the mpcpc aluminum substrate, is composed of a circuit layer (copper foil layer), a thermally conductive insulating layer and a metal base layer, which is to attach the original printed circuit board to another heat conduction effect. On the metal, it improves the heat dissipation at the board level. Usually used in the LED industry.

  For example, LED light source boards use metal printed circuit boards, LEDs are representative of the current mainstream lighting equipment and display fields, and metal-based printed circuit boards are the founders of this light source industry, although metal-based printed circuit boards Improved heat dissipation, but it does not mean that it can withstand high temperatures. Therefore, the temperature requirement during the manufacturing process must not exceed 250 °C ∼ 300 °C, so the temperature must be controlled when the tin furnace is over, otherwise the metal printed circuit board may be scrapped.


  LED flashlights and LED light-panel substrates that are common in life are basically practical for metal-based printed circuit boards, and LED light strips are not counted. Among them, FPC flexible circuit boards may be used, which are usually used for cable. Therefore, it is common for the two boards in the LED industry to be used more frequently.

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