Abstract: A liquid discharge head includes a needle valve to open and close a nozzle, the needle valve including: a rear-end member; and a leading-end member detachably attached to the rear-end member; and a mover coupled to the rear-end member of the needle valve, the mover to move the needle valve, in an axial direction, between: a closed position at which the needle valve contacts the nozzle to close the nozzle; and an open position at which the needle valve is separated from the nozzle to open the nozzle. The needle valve further includes: an axial force generator to generate an axial force to abut the leading-end member against the rear-end member; and an axial center restrictor to restrict a position of an axial center of the leading-end member relative to an axial center of the rear-end member.

Abstract: A detector detection device includes a detection circuit to which a detecting signal is input, via a connector of a measuring machine, from a detector connected to the connector, and a determination section that determines whether the detector is connected to the connector, in which the detection circuit includes a first ground having a first electric potential that is lower than a reference electric potential of the detector and a comparator that is electrically connected to the first ground, receives the detecting signal from the connector, and compares an input voltage and a predetermined threshold voltage, and the determination section determines based 10 on a binary signal output from the comparator whether the detector is connected to the connector.

Abstract: A liquid discharge head includes: a nozzle plate having multiple nozzle holes from which a liquid is dischargeable, the multiple nozzle holes arrayed in a nozzle array direction; a housing bonded to the nozzle plate by a diffusion bonding to support the nozzle plate; multiple connecting portions: disposed on one of the nozzle plate or the housing; contacting the nozzle plate and the housing to bond the nozzle plate and the housing; arrayed in the nozzle array direction; and having a channel in each of the multiple connecting portions, the channel communicating with the nozzle holes; and a gap formed between one of the multiple connecting portions and another of the multiple connecting portions adjacent to the one of the multiple connecting portions.

Abstract: A liquid discharge head includes a first housing, a sealing member, and a second housing. The first housing includes a nozzle from which a liquid is dischargeable and a liquid chamber communicating with the nozzle. The sealing member openably closes the nozzle. The second housing includes a moving member and a container. The moving member moves a portion of the sealing member between a first position at which the portion of the sealing member contacts the nozzle to close the nozzle and a second position at which the portion of the sealing member is separated from the nozzle to open the nozzle. The container stores and holds the moving member in the container. The sealing member is sandwiched between the first housing and the second housing to partition the liquid chamber and the container.

Abstract: A liquid discharge head includes: a discharge port through which a liquid is discharged in a discharge direction; a valve body to openably close the discharge port; and a driver coupled to the valve body to move the valve body in the discharge direction, wherein the valve body includes: an elastic member including: a first elastic portion having a first elastic modulus; and a second elastic portion having a second elastic modulus different from the first elastic modulus, the elastic member to contact the discharge port to close the discharge port; and a core attached to the elastic member to support the elastic member.

Abstract: A liquid discharge head includes a nozzle plate, a housing, a channel, and a positioning member. The nozzle plate has a nozzle hole and a first positioning hole penetrating through the nozzle plate in a thickness direction of the nozzle plate. The housing is bonded to the nozzle plate to form a single bonded body and has a second positioning hole extending in a thickness direction of the housing. A liquid flows through the channel between the nozzle plate and the housing to the nozzle hole. The positioning member fits into the first positioning hole and the second positioning hole to position the nozzle plate relative to the housing. A length of the positioning member is smaller than a sum of a length of the first positioning hole and a length of the second positioning hole in the thickness direction of the nozzle plate, and larger than the length of the second positioning hole.

Abstract: Provided is a sheet including a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance, wherein a maximum diameter of the independent holes is less than 0.2 mm. Also provided is a sheet laminate including sheets laminated with each other, wherein each of the sheets includes a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance.

Abstract: A one-dimensional measurement device includes a display; a display controller that, based on first input information, displays on the display a rough arrangement and measurement order of each of a plurality of measurable elements of a measurable object and, based on second input information, displays on the display the arrangement and measurement order of each of the plurality of measurable elements where the entire arrangement is rotated in a predetermined direction by a predetermined angle while maintaining a positional relationship of each of the measurable elements; and an input that receives input of the first input information and the second input information.

Abstract: A form measuring apparatus that is provided with a form measuring device that includes a detection device detecting a position on a surface of an object, and a feeding mechanism that moves the form measuring device in an axis direction. The feeding mechanism includes a drive shaft provided so as to be rotatable around an axis; a traction nut that is provided so as to hold the drive shaft from a direction orthogonal to an axis line of the drive shaft, and that also can switch between a frictional contacting state frictionally contacting the drive shaft and a separation state separated from the drive shaft; and a bracket coupling the traction nut and the form measuring device. The bracket is provided with a motor that includes a rotation shaft that is inclined with respect to the axis line, and the motor rotates the drive shaft.

Abstract: Provided is a sheet including a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance, wherein a maximum diameter of the independent holes is less than 0.2 mm. Also provided is a sheet laminate including sheets laminated with each other, wherein each of the sheets includes a base material comprising a biocompatible material and having at least two independent holes, and a bioactive substance, wherein at least one of the independent holes is an independent hole A containing the bioactive substance, wherein at least one of the independent holes is an independent hole B containing no bioactive substance.

Abstract: Provided is a flexible hollow structure including a plurality of hollow cell sections each having an opening at one end, wherein when the area of a cross-section of each hollow cell section positioned closely to the opening and approximately in parallel with the opening is X (mm2), an opening area of the opening is 0.2X or greater but 0.7X or less.

Abstract: A one-dimensional measurement device includes a display; a display controller that, based on first input information, displays on the display a rough arrangement and measurement order of each of a plurality of measurable elements of a measurable object and, based on second input information, displays on the display the arrangement and measurement order of each of the plurality of measurable elements where the entire arrangement is rotated in a predetermined direction by a predetermined angle while maintaining a positional relationship of each of the measurable elements; and an input that receives input of the first input information and the second input information.

Abstract: In a control method of a drive stage device, a stage is floated on an air bearing, then a height of the stage while floating on the air bearing is measured as a first height. A work piece is placed on the stage and a height of the stage while holding the work piece is measured as a second height. A difference between the first height and the second height is calculated as a drop amount, and a weight of the work piece is calculated based on the drop amount. An upper limit speed of one of rotational drive and horizontal movement of the stage is determined based on the calculated work piece weight. A speed of the one of the rotational drive and the horizontal movement of the stage is controlled so as to not exceed the upper limit speed.

Abstract: There is provided a surface texture measuring apparatus in which a measurement device is replaced easily and safely. A measurement device is replaceable by attaching and detaching the measurement device to and from a drive mechanism part. The measurement device includes a bracket, and the bracket includes a first connector for transmitting and receiving a signal to and from the measurement device and feeding to the measurement device. The drive mechanism part includes a support frame to which the bracket is detachably attached, and the support frame includes a second connector electrically connected to the first connector. The signal is transmitted and received between the first connector and the second connector, and the first connector is fed from the second connector while the first connector and the second connector are connected. Insertion and removal between the first connector and the second connector to attach and detach the measurement device to and from the drive mechanism part is hot swappable.

Abstract: A form measuring apparatus that is provided with a form measuring device that includes a detection device detecting a position on a surface of an object, and a feeding mechanism that moves the form measuring device in an axis direction. The feeding mechanism includes a drive shaft provided so as to be rotatable around an axis; a traction nut that is provided so as to hold the drive shaft from a direction orthogonal to an axis line of the drive shaft, and that also can switch between a frictional contacting state frictionally contacting the drive shaft and a separation state separated from the drive shaft; and a bracket coupling the traction nut and the form measuring device. The bracket is provided with a motor that includes a rotation shaft that is inclined with respect to the axis line, and the motor rotates the drive shaft.

Abstract: There is provided a surface texture measuring apparatus in which a measurement device is replaced easily and safely. A measurement device is replaceable by attaching and detaching the measurement device to and from a drive mechanism part. The measurement device includes a bracket, and the bracket includes a first connector for transmitting and receiving a signal to and from the measurement device and feeding to the measurement device. The drive mechanism part includes a support frame to which the bracket is detachably attached, and the support frame includes a second connector electrically connected to the first connector. The signal is transmitted and received between the first connector and the second connector, and the first connector is fed from the second connector while the first connector and the second connector are connected. Insertion and removal between the first connector and the second connector to attach and detach the measurement device to and from the drive mechanism part is hot swappable.

Abstract: According to an embodiment, a microneedle array includes a plurality of hollow needles and a plurality of individual liquid chambers. The plurality of individual liquid chambers is configured to be in communication with the hollow needles. Each of the hollow needles is configured to hold a liquid composition to be ejected from tip end holes of the hollow needles. Each of the hollow needles has a length of 1 to 100 ?m. The individual liquid chambers being provided corresponding to the hollow needles.

Abstract: In a control method of a drive stage device, a stage is floated on an air bearing, then a height of the stage while floating on the air bearing is measured as a first height. A work piece is placed on the stage and a height of the stage while holding the work piece is measured as a second height. A difference between the first height and the second height is calculated as a drop amount, and a weight of the work piece is calculated based on the drop amount. An upper limit speed of one of rotational drive and horizontal movement of the stage is determined based on the calculated work piece weight. A speed of the one of the rotational drive and the horizontal movement of the stage is controlled so as to not exceed the upper limit speed.

Abstract: A transdermal device is provided. The transdermal device includes a transdermal patch, a sheet-shaped electrode stacked overlying one surface of the transdermal patch, and a power source connected to the sheet-shaped electrode. The transdermal patch includes a carrier layer. The carrier layer comprises a hollow structure and an external composition. The hollow structure comprises a plurality of cells partitioned by an insulator and has hollow portions penetrating through one plane surface to the other plane surface of the hollow structure. The external composition comprises a dispersion liquid comprising a nanoparticle containing an active ingredient.

Abstract: A three-dimensional shaping method deforms and deposits a plurality of shaping raw materials in a predetermined solid shape. The three-dimensional shaping method includes: by a conveying unit, conveying the plurality of shaping raw materials to a deforming unit; by the deforming unit, deforming the shaping raw materials; by a shaping-material forming unit, twisting and arranging the deformed shaping raw materials in a helical fashion to form a shaping material; and by a shaping unit, sequentially depositing the shaping material to form a three-dimensional shaped object.