Patent ID: 11930135
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A signal processing board comprising:
a six-layer substrate in which six wiring layers are stacked;
a first semiconductor element and a second semiconductor element mounted on an outer surface of a first layer of the six wiring layers;
a plurality of signal transmission patterns formed in the first layer, a third layer, a fourth layer, and a sixth layer of the six wiring layers and electrically connected to one or both of the first semiconductor element and the second semiconductor element;
a first ground pattern formed in a second layer of the six wiring layers and electrically connected to the first semiconductor element and the second semiconductor element;
a second ground pattern formed in a fifth layer of the six wiring layers and electrically connected to the first semiconductor element and the second semiconductor element;
a first power supply pattern formed in one of the fourth layer, the fifth layer, and the sixth layer of the six wiring layers and electrically connected to the first semiconductor element; and
a second power supply pattern formed in one of the fourth layer, the fifth layer, and the sixth layer of the six wiring layers and electrically connected to the second semiconductor element.