Storage device unit
The storage device unit includes: a substrate having a main surface and having a plurality of wiring layers stacked together; and a storage device that has a plate shape having a first surface and is disposed on the substrate, the first surface facing the main surface. The plurality of wiring layers includes a heat-generating layer having a heat-generating circuit.
1. A storage device unit comprising:
a substrate having a main surface and having a plurality of wiring layers stacked together; and
a storage device that has a plate shape having a first major surface and a second major surface parallel and opposite to the first major surface;
wherein the plurality of wiring layers includes a heat-generating layer having a heat-generating circuit,
the first major surface of the storage device faces the main surface of the substrate,
the plurality of wiring layers includes a ground layer having a ground pattern, the ground layer is provided between the heat-generating layer and the storage device,
the plurality of wiring layers includes a layer having a thermistor, the layer having the thermistor is located between the ground layer and the storage device,
the layer having the thermistor is a layer closest to the storage device among the plurality of wiring layers, and
the thermistor is provided in a first end region of the substrate, the first end region being opposite to a second end region of the substrate in a longitudinal direction of the substrate, the second end region of the substrate being where a connector is disposed on the main surface of the substrate.
2. The storage device unit according to claim 1 , wherein in a view from a direction perpendicular to the main surface, the heat-generating circuit is disposed to overlap the storage device.
3. The storage device unit according to claim 2 , wherein in the view from the direction perpendicular to the main surface, the heat-generating circuit has a shape substantially identical to a shape of the storage device.
4. The storage device unit according to claim 1 , wherein the storage device is a solid state drive.
5. The storage device unit according to claim 1 , wherein in the view from the direction perpendicular to the main surface, the ground pattern is disposed to overlap the storage device.
6. The storage device unit according to claim 1 , wherein the first major surface of the storage device is spaced apart from the main surface of the substrate.
7. The storage device unit according to claim 1 , wherein the plurality of wiring layers includes a plurality of the heat-generating layers.