Repair method of circuit of embedded circuit board
A circuit board and embedded technology, which is applied in the directions of printed circuit components, printed circuit secondary treatment, metal pattern materials, etc., can solve problems such as open circuit, circuit short circuit, and waste of embedded circuit board production cost, so as to reduce waste, Avoid the effect of overflow
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[0038] Figure 1A to Figure 1B It is a schematic cross-sectional view of a method for repairing circuits of an embedded circuit board according to an embodiment of the present invention, Figure 1C for repair Figure 1B The top view enlarged schematic diagram of the local circuit of the embedded circuit board. Please refer to Figure 1A According to the method for repairing the circuit of an embedded circuit board in this embodiment, firstly, an embedded circuit board 100 is provided. The embedded circuit board 100 includes a dielectric layer 110 and a plurality of circuits 120a-120c ( Figure 1A Only three are schematically shown in ), wherein the dielectric layer 110 has a surface 112 and an indented pattern 114, the lines 120a-120c are located in the indented pattern 114 of the dielectric layer 110, and the line 120c has a defect 122a.
[0039] It is worth mentioning that the structure of the embedded circuit board 100 may only have a single circuit layer, or may have mu...
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