Patent ID: 11951737
Assignee: SEIKO EPSON CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. The liquid discharge head unit according to claim 1, wherein
the wiring substrate includes a plurality of laminated wiring layers,
the first circuit and the second circuit are disposed in the same wiring layer among the plurality of wiring layers,
the temperature detection circuit is disposed at least in the same wiring layer,
the first distance is a distance from the first circuit to the second circuit in a plan view of the same wiring layer,
the second distance is a distance from the first circuit to the temperature detection circuit in the plan view of the same wiring layer, and
the third distance is a distance from the second circuit to the temperature detection circuit in the plan view of the same wiring layer.