Circuit board and semiconductor package comprising same

The circuit board design addresses miniaturization and reliability issues by using a dummy trench and capacitor structures to enhance stress-dissipation and bonding strength, ensuring efficient electrical connections and signal integrity.

WO2026095455A1PCT designated stage Publication Date: 2026-05-07LG INNOTEK CO LTD
View PDF 5 Cites 0 Cited by

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
LG INNOTEK CO LTD
Filing Date
2025-10-20
Publication Date
2026-05-07

Smart Images

  • Figure KR2025016571_07052026_PF_FP_ABST
    Figure KR2025016571_07052026_PF_FP_ABST
Patent Text Reader

Abstract

Disclosed is a circuit board according to an embodiment of the present invention comprising a first insulation layer, and a second insulation layer disposed on the first insulation layer, the second insulation layer comprising protrusions disposed in dummy trenches penetrating at least a portion of the first insulation layer, and thermal expansion coefficient of the first insulation layer being smaller than that of the second insulation layer.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • A trench substrate and a fabricating method the same

    KR1020110044369A

  • A Stopper for system window

    KR1020200099662A

  • Graphene Electric Blanket and its Manufacturing Method

    KR102791826B1

  • Substrate and semiconductor module

    US20240162167A1

  • KR20220135962A