Printed circuit board

JP2026054751APending Publication Date: 2026-03-30DENSO CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-17
Publication Date
2026-03-30

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  • Figure 2026054751000001_ABST
    Figure 2026054751000001_ABST
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Abstract

To provide a printed circuit board that can provide a noise filter effect to the wiring without increasing the wiring area. [Solution] In the printed circuit board 1, the power supply wiring layer 6 has a first region 7 that supplies power to the LSI 3 and a second region 8 that supplies power to the power supply IC 4. The first region 7 is made of a first metal and connected to the ground layer 9 via a capacitance 10, and the second region 8 is made of a second metal with higher magnetic permeability than the first metal.
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Citation Information

Patent Citations

  • Multilayer printed board

    JP1997139573A