SMD-type IRM high shielding structure and making process thereof
A technology of shielding structure and manufacturing process, applied in semiconductor/solid-state device manufacturing, electrical components, electrical solid-state devices, etc., can solve the problems of many stent production processes, complex production processes, affecting the overall yield rate, etc., to reduce assembly difficulty and Labor cost, simple production process, and the effect of reducing waste water and waste gas pollution
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[0032] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.
[0033] like figure 1 A specific embodiment of a patch-type IRM high shielding structure of the present invention is shown, which includes a PCB board 1, and the PCB board 1 runs through a number of via holes, and each via hole is filled with a copper column 2, The circuits on both sides of the PCB board 1 are conducted through the copper pillars 2; the front side of the PCB board 1 is provided with a PD chip 3, and the reverse side is provided with an IC chip 4; one end of each copper pillar 2 is connected to the PD chip through bonding wires 5 3, the other end of each copper column 2 is connected to the IC chip 4 through the bonding wire 5; the packaging g...
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