Patent ID: 11956890
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A circuit board, comprising:
a first insulating layer;
a first wiring pattern and a second wiring pattern each formed to be side to side with each other on an upper surface of the first insulating layer;
a second insulating layer formed on the upper surface of the first insulating layer to cover the first and second wiring patterns;
a third wiring pattern formed on an upper surface of the second insulating layer to overlap the first wiring pattern in a vertical direction;
a fourth wiring pattern formed on the upper surface of the second insulating layer to overlap the second wiring pattern in the vertical direction;
a first via passing through the second insulating layer and connecting the first and fourth wiring patterns; and
a second via passing through the second insulating layer and connecting the second and third wiring patterns,
wherein a line width of the first wiring pattern is different from a line width of the third wiring pattern, and
wherein a line width of the second wiring pattern is different from a line width of the fourth wiring pattern.