LED lamp bead manufactured through support and manufacturing method of LED lamp bead
A technology of LED lamp bead and manufacturing method, which is applied in the direction of semiconductor devices, electrical components, circuits, etc., and can solve the problems of small-sized lamp beads, short circuit between soldering feet and tin, easy short circuit with tin, etc.
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Embodiment 1
[0027] 1. Production of punching dies
[0028] Design and manufacture a 2835LED bracket with 6 feet, a 2.8mmx3.5mm cuboid bracket, design a soldering leg 1.1 on the two sides with a width of 2.8mm, and design two soldering legs 1.1 on each of the other two sides, a total of 6 soldering legs Feet 1.1.
[0029] 2. The prototype of punching bracket circuit
[0030] The 0.20mm copper strip is prepared, and the 0.20mm copper strip 1.1 is punched into a bracket circuit prototype with a punching die, and then electroplated silver on the bracket circuit prototype, so that the surface of the copper strip is plated with a layer of silver.
[0031] 3. Production of PPA resin
[0032] Inject the PPA resin 2.1 on the copper strip with an injection mold on the injection molding machine to form a plurality of bracket cups, and embed the copper prototype circuit in the PPA resin.
[0033] 4. Die-cut the bracket to make 6 welding legs
[0034] Die-cutting is used to make a continuous brack...
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Abstract
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