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
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
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