Light emitting diode (LED) aluminum substrate and manufacturing method thereof
A technology of LED aluminum substrate and manufacturing method, which is applied in the direction of electrical components, circuits, semiconductor devices, etc., can solve problems such as tight lamination and shedding of circuit layers, and achieve the effects of improving light extraction efficiency, good reflection, and increasing friction coefficient
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[0025] The present invention will be further described below in conjunction with the accompanying drawings of the description.
[0026] Such as Figures 1 to 3 Shown, a kind of LED aluminum substrate, its manufacturing method comprises the following steps:
[0027] (1) Manufacturing an aluminum substrate layer 1, the substrate layer 1 is a mirror aluminum substrate, so that the surface of the substrate layer 1 is a smooth mirror surface;
[0028] (2) Use film on the surface of the substrate layer 1 to divide the functional area 3 for die bonding and the non-functional area 2 for laminating the circuit layer;
[0029] (3) Perform insulation and corrosion resistance treatment on the functional area 3 of the substrate layer 1, first brush the blue oil on the functional area 3, and paste the blue film 4 on the area covered with the blue oil; the main components of the blue oil and the blue film 4 It is saturated hydrocarbon polyester, polyethylene or polypropylene, and d...
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