Abstract: A drug injection device according to the present disclosure includes: a drug injector configured to electrochemically drive an electroosmotic pump to suck a drug from a drug storage and discharge the sucked drug to an injection target; and a controller configured to output, to the drug injector, a control signal corresponding to an amount-based injection sequence that enables the electroosmotic pump to be driven in an immediate injection mode, wherein the amount-based injection sequence includes at least one pulse block that defines a voltage pulse or a current pulse to be applied to the electroosmotic pump, each pulse block defines a pair of pulse signals including a forward pulse and a reverse pulse that are applied to the electroosmotic pump to alternately generate negative pressure and positive pressure, and the electroosmotic pump alternately generates negative pressure and positive pressure for each pulse block to suck and discharge the drug.

Abstract: An ultrasonic diagnostic device having a lock member is disclosed. In the ultrasonic diagnostic device having a monitor support assembly for supporting a monitor for displaying ultrasound images according to an embodiment, the monitor support assembly comprises: a base mounted on a main body; a monitor arm rotatably provided on the upper side of the base; and a lock member which stops the rotation of the monitor arm when the monitor arm reaches a predetermined relative position with respect to the base.

Abstract: A semiconductor device includes a lower interlayer insulating layer, an insulating pattern extending in a first horizontal direction on a top surface of the lower interlayer insulating layer, first, second, and third gate electrodes extending in a second horizontal direction and arranged in the first horizontal direction, a first source/drain region between the first and second gate electrodes and a second source/drain region between the second and third gate electrodes on the insulating pattern, a lower source/drain contact extending into the second source/drain region by vertically penetrating the lower interlayer insulating layer and the insulating pattern, a top of the lower source/drain contact being higher than a top surface of the insulating pattern, a first insulating liner layer on both sidewalls of the lower source/drain contact, and a lower silicide layer between the second source/drain region and the lower source/drain contact.

Abstract: A stirring device related to one example of the present invention comprises a stirring vessel including an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and having a vessel cooling space provided between the inner chamber and the outer chamber, a stirring part including a stirring rod disposed in the stirring space and provided to stir a stirring object accommodated in the stirring space, a plurality of cooling rods each protruding from the inner chamber of the stirring vessel into the stirring space, and connected to the vessel cooling space to enable fluid movement, and a cooling drive part provided to supply cooling water to the vessel cooling space.

Abstract: A drug injection device includes a drug injector configured to suck a drug from a drug storage by electrochemically operating an electroosmotic pump and discharge an sucked drug to an injection target; and a controller configured to output, to the drug injector, a control signal corresponding to an amount-based injection sequence for causing the electroosmotic pump to operate in an immediate bolus injection mode, wherein the amount-based injection sequence includes at least one pulse block defining a voltage pulse or a current pulse to be applied to the electroosmotic pump, the at least one pulse block defines a pair of pulse signals including a forward pulse and a reverse pulse that are applied to the electroosmotic pump to alternately generate negative pressure and positive pressure, and the electroosmotic pump alternately generates negative pressure and positive pressure for each pulse block to suck and discharge the drug.

Abstract: A drug injection device includes a drug injector configured to suck a drug from storage by operating an electroosmotic pump and discharge it to an injection target; and a controller configured to output to the injector a control signal for a speed-based injection sequence, causing the electroosmotic pump to operate in basal infusion mode. The speed-based injection sequence includes at least one pulse block defining a voltage or current pulse applied to the pump and at least one pause block maintaining 0 volt or 0 ampere for a predetermined time after the pulse block. The pulse block defines a pair of signals, a forward and reverse pulse, applied to the electroosmotic pump to alternately generate negative and positive pressure, enabling drug suction and discharge.

Abstract: A stirring device includes a container, a cleaning liquid supply part for supplying a cleaning solution to the container, a first stirring part including a first stirring rod located inside the container, and having a suction passage provided inside the first stirring rod and a plurality of suction ports connecting the suction passage and the inner space of the container in a fluid movable manner and sucking the cleaning liquid in the container, a second stirring part including a second stirring rod located inside the container, and having a discharge passage provided inside the second stirring rod and a plurality of discharge ports connecting the discharge passage and the inner space of the container in a fluid movable manner, and a cleaning liquid circulation part connected to the suction passage and the discharge passage; and provided to supply the cleaning liquid introduced through the suction passage to the discharge passage.

Abstract: Provided is a semiconductor device based on a cell block which may include: a 1st cell comprising a 1st lower active region and a 1st upper active region above the 1st lower active region in a 3rd direction, both being extended in a 1st direction; a 2nd cell comprising a 2nd lower active region and a 2nd upper active region above the 2nd lower active region in the 3rd direction, both being extended in the 1st direction; and a cell spacer between the 1st cell and the 2nd cell in a 2nd direction, wherein no active region is formed in the cell spacer.

Abstract: A raw material mixing device for slurry preparation according to one example of the disclosure a mixer body in which powder-containing raw materials for forming a slurry are mixed, a powder input part provided in the mixer body and having a first passage through which the powder moves to the mixer body, and a pulverization part including a plurality of mesh members disposed apart from each other in the first passage and operation units coupled to the respective mesh members and moving the respective mesh members in preset operating directions, and provided to pulverize the powder passing through the first passage while the respective mesh members move in directions different from each other.

Abstract: The powder transfer system includes a transfer pipe, through which powder is transferred, having a plurality of sections along the powder transfer direction, a plurality of sensing units provided for each section of the transfer pipe and provided to detect vibration of the transfer pipe when the powder is transferred for each section, a plurality of vibration units provided to apply vibration to each section of the transfer pipe, and a control part provided to individually control operation of the vibration unit for each section of the transfer pipe based on vibration data obtained from the sensing unit for each section of the transfer pipe.

Abstract: A method and device for positioning physical sensors and virtual sensors is disclosed. The positioning method performed by the positioning device for selecting each of the positions of the physical sensors and the virtual sensors in an indoor space includes: generating a position-related combination of the physical sensors and the virtual sensors based on the number of nodes of the physical sensors; calculating performance of the virtual sensors for each generated combination; determining whether there is a combination in which the performance of all virtual sensors satisfies a preset criterion among the calculated results; and selecting, when there is a combination that satisfies the preset criterion, positions included in the combination as positions of the physical sensors and the virtual sensors.

Abstract: A semiconductor device includes: a lower interlayer insulating layer; first and second active patterns on the lower interlayer insulating layer; a gate electrode on the first and second active patterns; a first source region on a first side of the gate electrode; a second source region on a second side of the gate electrode; a third source region on the first side of the gate electrode; a drain region on the second side of the gate electrode; a first contact adjacent to the gate electrode, and connected to the first and third source regions; a second contact adjacent to the gate electrode, and connected to the second source region; a third contact adjacent to the gate electrode, and connected to the drain region; a lower wiring layer inside the lower interlayer insulating layer; and a through via connecting the lower wiring layer with the first contact.

Abstract: A semiconductor device comprises a back insulating pattern comprising a first region, and a second region and extending in a first direction, a plurality of sheet patterns disposed on the back insulating pattern, and extending in the first direction, a first source/drain pattern disposed on the first region of the back insulating pattern, and connected to the plurality of sheet patterns, a second source/drain pattern disposed on the second region of the back insulating pattern, and connected to the plurality of sheet patterns, a gate electrode extending in a second direction crossing the first direction, and surrounding the plurality of sheet patterns, a first back source/drain contact that extends into the first region of the back insulating pattern, and connected to the first source/drain pattern and a second back source/drain contact that extends into the second region of the back insulating pattern, and connected to the second source/drain pattern.

Abstract: A drug injection device includes a drug injector configured to electrochemically drive an electroosmotic pump to suck a drug from a drug storage and discharge an sucked drug to an injection target, and a controller configured to output, to the drug injector, a control signal corresponding to an injection sequence for defining an operation of the electroosmotic pump, wherein the injection sequence includes a pulse block that defines one of a voltage pulse and a current pulse to be applied to the electroosmotic pump, the pulse block defines a pair of pulse signals including a forward pulse and a reverse pulse that are applied to the electroosmotic pump to alternately generate negative pressure and positive pressure, and the electroosmotic pump sucks and discharges a drug by alternately generating the negative pressure and the positive pressure in the pulse block.

Abstract: One embodiment of the present disclosure relates to drug injector monitoring method and device and provides drug injector monitoring method and device that monitor a battery state, a remaining drug amount, temperature, and pressure of a drug injector such that a fixed amount of drug may be stably injected.

Abstract: The inventive technology described herein includes a novel mechanical apparatus and system which allows centrifugation of small micron sized particles. The invention allows for continuous separation of ultrasound contrast agents (microbubbles) from lipid solution via centrifugation assisted by a motor. The system allows for mass isolation and collection of microbubbles. The invention also allows for the dispensation of lipid solution. In one preferred embodiment, dilute microbubble solution is introduced to the system and subjected to a centrifugal force such that the particles migrate towards the center and collectively rises for extraction, while the lipid solution dispenses and is replace with an equal volume of dilute solution. In one preferred embodiment, the device includes a rotating column or cylinder driven by a belt drive assembly, with the column being supported by annular bearings on both ends.

Abstract: An ultrasonic diagnostic device having a lock member is disclosed. In the ultrasonic diagnostic device having a monitor support assembly for supporting a monitor for displaying ultrasound images according to an embodiment, the monitor support assembly comprises: a base mounted on a main body; a monitor arm rotatably provided on the upper side of the base; and a lock member which stops the rotation of the monitor arm when the monitor arm reaches a predetermined relative position with respect to the base.

Abstract: A semiconductor device is provided. The semiconductor device includes first through third active patterns extending in and spaced apart from each other along a first direction on a first surface of a substrate; a first gate electrode extending in a second direction on the first active pattern; a first active cut between the first and second active patterns, wherein the first active cut extends in the second direction, and the first active cut is spaced apart from the first gate electrode in the first direction; a second active cut between the second and third active patterns, wherein the second active cut extends in the second direction, and the second active cut is spaced apart from the first active cut in the first direction; and a first through via extending vertically through the second active pattern between the first and second active cuts, and into the substrate.

Abstract: A semiconductor device includes a substrate, first and second active patterns extending in a first horizontal direction on the substrate, first and second gate electrodes extending in a second horizontal direction on the first and second active patterns, respectively, a first trench extending in the second horizontal direction between the first and second gate electrodes and separating the first and second active patterns, at least part of the first trench is in the substrate, an active cut extending along sidewalls and a bottom surface of the first trench and contacting each of the first and second active patterns, a second trench on the active cut in the first trench, and a flowable material layer in at least part of the second trench, the flowable material layer including a flowable insulating material and not being in contact with each of the substrate and the first and second active patterns.

Abstract: Semiconductor devices and methods of forming the semiconductor devices are provided. The methods may include forming a fin, forming a first device isolating layer on a side of the fin, forming a second device isolating layer extending through the first device isolating layer, forming first and second gates traversing the fin and forming a third device isolating layer between the first and second gates. The first device isolating layer may include a first material and a lowermost surface at a first depth. The second device isolating layer may include a second material and a lowermost surface at a second depth greater than the first depth. The third device isolating layer may extend into the fin, may include a lowermost surface at a third depth less than the first depth and a third material different from the first and the second materials.