Abstract: Reliability is improved in a semiconductor device. The semiconductor device includes a wiring layer, a semiconductor chip stacked in a predetermined region on a wiring surface of the wiring layer, and a signal line that is wired on the wiring surface and has an angle less than a predetermined angle in at least one of two regions divided by any boundary line of the predetermined region, the angle being formed when the signal line crosses the boundary line. The semiconductor chip is stacked in a predetermined region on the wiring surface of the wiring layer. The signal line is wired on the wiring surface and has an angle less than the predetermined angle in at least one of two regions divided by any boundary line of the predetermined region, the angle being formed when the signal line crosses the boundary line.

Abstract: A fluid handling device includes: a channel chip including a well for containing a fluid, a channel connected to the well, a valve disposed on the channel, and a through hole; and a pressing member including a first protrusion and a second protrusion, the first protrusion being for pressing the valve to close the valve, the second protrusion being inserted into the through hole and being for positioning the first protrusion with respect to the valve, the pressing member being rotatable about a rotational axis extending through the second protrusion.

Abstract: An image forming apparatus includes processing circuitry and a sensor. The processing circuitry controls formation of an image of an evaluation pattern on a transfer object. The sensor measures the image of the evaluation pattern formed on the transfer object. The processing circuitry presents a determination result of a cause of a failure based on a comparison between a reference value serving as a reference of the evaluation pattern and a measured value of the image of the evaluation pattern by the sensor.

Abstract: There is provided a semiconductor device that can improve cooling efficiency of Peltier effect elements. A semiconductor device includes: semiconductor elements; Peltier effect elements that are attached to first surfaces of the semiconductor elements without a wiring board; and a package substrate to which the semiconductor elements are attached. A region of the package substrate facing the first surfaces of the semiconductor elements is provided with a first recess or a through hole. The Peltier effect element is disposed in the first recess or in the through hole.

Abstract: Provided is a fluid handling device in which a fluid can fill not only a specific flow path but also a connection flow path branching from the specific flow path. The fluid handling device includes a main flow path, a first flow path, and a first connection flow path connecting the main flow path to the first flow path. The main flow path is a flow path into which a fluid A is introduced to fill the main flow path and the first connection flow path, and when the fluid A introduced into the main flow path flows from the main flow path into the first connection flow path, a Laplace pressure PL1 acting at an interface between the fluid A and a fluid B filling the first connection flow path in advance satisfies Condition 1.

Abstract: The present invention aims to provide a fluid handling device which can be manufactured more conveniently, can easily open and close a channel, and can be miniaturized. The fluid handling device of the present invention includes: a first channel; a second channel; and a valve disposed between the first channel and the second channel, in which the valve includes: a groove-shaped valve seat disposed in a board, and a flat plate-shaped flexible layer covering the groove-shaped valve seat, and the valve communicates between the first channel and the second channel when the flat plate-shaped flexible layer and a bottom of the groove-shaped valve seat are spaced apart from each other, and blocks communication between the first channel and the second channel when the flat plate-shaped flexible layer and an inner wall of the groove-shaped valve seat are in contact with each other.

Abstract: An image forming apparatus includes processing circuitry and a sensor. The processing circuitry controls formation of an image of an evaluation pattern on a transfer object. The sensor measures the image of the evaluation pattern formed on the transfer object. The processing circuitry presents a determination result of a cause of a failure based on a comparison between a reference value serving as a reference of the evaluation pattern and a measured value of the image of the evaluation pattern by the sensor.

Abstract: An object is to provide a novel organ-on-a-chip for forming a blood vessel model. An organ-on-a-chip 100 of the present invention is a chip for reproducing a biological process between a cell mass and a blood vessel. The organ-on-a-chip 100 includes a first channel 10, a second channel 20, and a third channel group. The first channel 10 is an introduction channel for introducing vascular endothelial cells for forming a blood vessel model on the inner wall of the first channel 10 through cell culture. The second channel 20 is an introduction channel for introducing a sample containing a cell mass from an upstream side toward a downstream side, and includes a trap portion 22 for trapping the cell mass and located between the upstream side and the downstream side inside the second channel 20. The third channel group includes a plurality of third channels 30, and the third channels 30 are channels that communicate between the first channel 10 and the second channel 20.

Abstract: The present invention pertains to a liquid handling device that comprises a laminate of a first member and a second member. This liquid handling device is provided with a reservoir that is a space for pooling a liquid and disposed between the first and second members, and a plurality of wells that are plurality of first recesses disposed on the surface of the first member facing the second member. The first and/or second members have flexibility. The first and second members are not bonded between the reservoir and the plurality of wells. When a part of the first or second member, said part corresponding to the reservoir, is pressed in the state where a liquid is pooled in the reservoir, the liquid in the reservoir moves between the first and second members toward the plurality of wells.

Abstract: The fluid handling device has a plurality of first chambers, a second chamber, a membrane pump including a diaphragm, a plurality of first flow paths by which each of the plurality of first chambers and the membrane pump are connected, a plurality of second flow paths by which each of the plurality of first chambers and the second chamber are connected, a plurality of first membrane valves positioned respectively in the plurality of first flow paths, and a plurality of second membrane valves positioned respectively in the plurality of second flow paths.

Abstract: Reliability is improved in a semiconductor device. The semiconductor device includes a wiring layer, a semiconductor chip stacked in a predetermined region on a wiring surface of the wiring layer, and a signal line that is wired on the wiring surface and has an angle less than a predetermined angle in at least one of two regions divided by any boundary line of the predetermined region, the angle being formed when the signal line crosses the boundary line. The semiconductor chip is stacked in a predetermined region on the wiring surface of the wiring layer. The signal line is wired on the wiring surface and has an angle less than the predetermined angle in at least one of two regions divided by any boundary line of the predetermined region, the angle being formed when the signal line crosses the boundary line.

Abstract: Provided are a semiconductor device having a stress alleviation structure in which resistance to stress concentrated on a predetermined portion of the semiconductor device is improved, and a method for manufacturing the semiconductor device. The semiconductor device includes: a first dielectric layer; a seed layer having a first land portion formed on the first dielectric layer; a second land portion formed on the seed layer and having a diameter larger than a diameter of the first land portion that can be connected to the wiring pattern; an external terminal formed on the second land portion; and a second dielectric layer covering the seed layer, the first land portion, and the second land portion.

Abstract: A rotating electric machine rotor according to the present disclosure includes: a rotor shaft extending in a direction of an axis of rotation; and a rotor core fixedly fitted to an outer circumference of the rotor shaft and formed of laminated steel sheets. Further, an inner diameter of the rotor core is smaller than an outer diameter of the rotor shaft. Furthermore, an inner edge part of each laminated steel sheet is made thinner than an outer edge part thereof, and the inner edge part abuts on an outer peripheral surface of the rotor shaft and is curved along the outer peripheral surface of the rotor shaft in the direction of the axis of rotation.

Abstract: A cartridge includes a main body, a reservoir disposed inside the main body and configured to store a liquid, and a tube configured such that the liquid taken in from one end of the tube communicating with the reservoir flows out from another end of the tube, in which the tube includes a pressed portion that controls a flow of the liquid by causing the tube to be deformed when the tube is pressed or released from being pressed, and the pressed portion is located outside the main body.

Abstract: An interface configured to be brought into contact with a channel chip and to connect a channel of the channel chip with an external device. The interface includes an elastic first member and a second member supporting the first member. The first member includes a first channel for communicating with the channel and a second channel for communicating with the external device. The first channel and the second channel communicate with each other, and the second channel is disposed in such a way that a distance from the center of gravity of the channel chip to the second channel increases from the end of the second channel on the first channel side toward the end of the second channel on the external device side when the interface is viewed in plan view while the interface is in contact with the channel chip.

Abstract: A fluid handling system includes a fluid handling device including an opening for introducing a fluid or discharging the fluid; a tube including a flange, where one end of the tube is for connection to the opening, and the other end of the tube is for connection to an introduction device for supplying the fluid or to a discharge device for discharging the fluid; a support member including a first through hole into which the tube is inserted, and movably supporting the tube; and a first elastic member including a second through hole into which the tube is inserted, and holding a part of the tube while the first elastic member is in contact with the flange and the fluid handling device or the support member.

Abstract: A fluid handling device includes: a channel chip including a well for containing a fluid, a channel connected to the well, a valve disposed on the channel, and a through hole; and a pressing member including a first protrusion and a second protrusion, the first protrusion being for pressing the valve to close the valve, the second protrusion being inserted into the through hole and being for positioning the first protrusion with respect to the valve, the pressing member being rotatable about a rotational axis extending through the second protrusion.

Abstract: A fluid handling device, comprising: a substrate including a first channel, a second channel and a partition wall formed between the first channel and the second channel; a film including a diaphragm, the film being disposed on the substrate so that the diaphragm faces the partition wall; and a sliding member slidable on the film while contacting with the film, the sliding member including a protrusion formed on an underside thereof, and the sliding member being disposed on the film with the underside facing the film, wherein: the sliding member is capable of switching between a first state and a second state by sliding on the film, wherein the protrusion is positioned so as not to face the partition wall with the diaphragm therebetween in the first state, and the protrusion is positioned so as to face the partition wall with the diaphragm therebetween in the second state.

Abstract: A fluid handling system includes a fluid handling device including an opening for introducing a fluid or discharging the fluid; a tube including a flange, where one end of the tube is for connection to the opening, and the other end of the tube is for connection to an introduction device for supplying the fluid or to a discharge device for discharging the fluid; a support member including a first through hole into which the tube is inserted, and movably supporting the tube; and a first elastic member including a second through hole into which the tube is inserted, and holding a part of the tube while the first elastic member is in contact with the flange and the fluid handling device or the support member.

Abstract: This invention addresses the problem of providing a fluid handling device that can be reliably and easily connected to various devices, can supply a desired fluid to various devices, and can receive fluid from various devices. The fluid handling device that addresses this problem comprises: a first device having a flow path for allowing a fluid to flow therethrough and an opening for connecting the flow path and the outside; and a tube having a first end that is inserted into the opening. The first device further comprises a support part that fixes the tube such that the central axis of a second end of the tube is at an angle in relation to the central axis of the first end of the tube.