Abstract: Disclosed is a device for acquiring a photoacoustic image and an ultrasonic image, which simultaneously acquires an optoacoustic image signal and an ultrasonic signal by integrally supporting a laser probe that outputs laser power to a object, a first ultrasonic probe that receives a first ultrasonic input from the object by the laser output, and a second ultrasonic probe that outputs an ultrasonic output to the object and receives a second ultrasonic input emitted from the object by the ultrasonic output, and moving together the laser probe, the first ultrasonic probe, and the second ultrasonic probe, the device comprising: an upper support block that supports the laser probe and the second ultrasonic probe on the upper surface thereof; and a lower support block that is coupled to a lower surface of the upper support block and supports the first ultrasonic probe on the side surface thereof.

Abstract: Proposed is a method for producing an insulating composite material for a silicone rubber socket, in which the method includes a step of producing a molded body of a mixture of liquid silicone and a heterogeneous composite powder composited from (i) metal powder and (ii) polymer or ceramic powder. An insulating composite material for a silicone rubber socket, produced by the method, is also proposed. Further proposed is a silicone rubber socket manufacturing method including the steps of producing a sheet-shaped molded body from a mixture including liquid silicone and a heterogeneous composite powder composited from (i) a metal powder and (ii) a polymer or ceramic powder and (b) forming a plurality of pores extending through the sheet-shaped molded body in a thickness direction and filling the pores with a conductive material. In addition, a silicone rubber socket manufactured by the method is also proposed.

Abstract: Disclosed is an apparatus for inputting a combined photoacoustic/ultrasonic image, which generates 3D image information for a object by performing 2D scanning on the object by a first linear motion of a photoacoustic probe and an ultrasonic probe, and a second linear motion perpendicular to the first linear motion, the apparatus comprising: a transfer unit that move the photoacoustic probe and the ultrasonic probe with respect to the object in the first and/or second direction; a photoacoustic unit that outputs a laser to the object, receives a first ultrasound from the object by the laser, and generates a photoacoustic image signal; an ultrasonic unit that outputs an ultrasound to the object, receives a second ultrasound from the object by the ultrasound, and generates an ultrasonic image signal; and a main controller that combines photoacoustic image and ultrasonic image to generate a combined photoacoustic/ultrasonic image.

Abstract: A method for producing a lead-free X-ray shielding material using a bismuth halide compound is provided, the method including a first step of producing porous PDMS (Polydimethylsiloxane); a second step of producing a mixed solution of the bismuth halide compound and THF; and a third step of immersing the porous PDMS into the mixed solution such that the bismuth halide compound is loaded into the porous PDMS to produce a bismuth halide compound-PDMS composite material.

Abstract: A method for producing a lead-free X-ray shielding material using bismuth iodide is provided, the method including a first step of producing porous PDMS (Polydimethylsiloxane); a second step of producing a mixed solution of BiI3 and THF; and a third step of immersing the porous PDMS into the mixed solution such that the BiI3 is loaded into the porous PDMS to produce a BiI3-PDMS composite material.

Abstract: Provided is an apparatus for inputting a combined photoacoustic/ultrasonic image, according to an embodiment of the present disclosure, which generates three-dimensional image for a to-be-examined object by performing two-dimensional scanning on the to-be-examined object the apparatus comprising: a photoacoustic probe that outputs a laser pulse output or an ultrasonic output to a to-be-examined object, receives a first ultrasonic input from the to-be-examined object by the laser pulse output, and receives a second ultrasonic input from the to-be-examined object by the ultrasonic output; an ultrasonic transceiving unit that generates an ultrasonic output signal for generating the ultrasonic output, receives the first ultrasonic input and the second ultrasonic input, and generates a photoacoustic image signal and an ultrasonic image signal, respectively; and a main controller that generates photoacoustic image and ultrasonic image for the to-be-examined object, and combines the photoacoustic image and ultrasoni

Abstract: Disclosed are a device and a method for generating ultrasonic scan image information, which can convert a rotatory motion of a motor into a linear reciprocating motion of an ultrasonic probe to allow the ultrasonic probe to scan a subject at high speed, and rapidly generate an accurate three-dimensional ultrasonic image by using a trigger signal. The device for generating ultrasonic scan image information disclosed herein converts a unidirectional rotatory motion of a driving motor into a linear reciprocating motion of a ultrasonic probe connected to the driving motor and two-dimensionally scans a subject by the linear motion of the probe and a vertical motion perpendicular to the linear motion so as to generate an image of the subject.

Abstract: A method of predicting characteristics of concrete includes inputting data on a cement mixture including cement and an admixture, calculating reactivity of the admixture based on the data, and predicting products of the cement mixture based on the reactivity, and an embodiment further includes predicting characteristics of concrete based on the predicting of the products of the cement mixture based on the reactivity.

Abstract: Disclosed are a radar image generation method and an apparatus for performing the same. The radar image generation method includes receiving a received signal received at each of radars that are distributed and arranged; generating an input signal by processing the received signal; generating a support vector based on the input signal; updating the support vector; updating a coefficient corresponding to the support vector; and generating a radar image based on the support vector and the coefficient.

Abstract: This application relates to a method of manufacturing an electrostatic chuck having a high heat dissipation property and high thermal shock resistance and being lightweight, and an electrostatic chuck manufactured by the method. In one aspect, the method includes preparing a composite powder by milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder through ball milling. The method may also include manufacturing a multilayer billet including a core layer and one or more shell layers surrounding the core layer, in which at least one of the core and shell layers contains the composite powder. The method may further include extruding the multilayer billet to form an electrode layer and forming a dielectric layer on the electrode layer.

Abstract: This application relates to a method of manufacturing an electrostatic chuck having good characteristics in heat dissipation, thermal shock resistance, and lightness. In one aspect, the method includes preparing a composite powder by ball-milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder. The method may also include preparing an electrode layer by sintering the composite powder through spark plasma sintering (SPS), and forming a dielectric layer on the electrode layer.

Abstract: Disclosed is an apparatus that comprises a photo-acoustic transceiver which outputs, through a laser generator, a laser pulse output toward an object to be examined, and receives, through an ultrasonic wave receiver, an ultrasonic wave image signal from the object to be examined; an analog-to-digital converter which receives the ultrasonic wave image signal and converts same into a digital image signal; a main control unit which receives the digital image signal to generate ultrasonic wave scanning three-dimensional image information about the object to be examined; and a trigger control unit which receives motion information of a photo-acoustic probe to generate a scanning trigger signal corresponding to the motion information, receives laser pulse output information to generate a laser trigger signal corresponding to the laser pulse output, and generates an output trigger signal corresponding to the laser trigger signal and outputs same to the analog-to-digital converter.

Abstract: Disclosed is a method for manufacturing a lightweight brake disc with maximized heat dissipation ability. The method includes a first step of mixing gray cast iron and Fe—Cr ferroalloy with each other to produce a mixture, melting and solidifying the mixture to cast an alloy; a second step of heat-treating the alloy cast in the first step to pearlitize a microstructure of the alloy; and a third step of performing nitriding heat treatment of the alloy heat-treated in the second step.

Abstract: An encapsulant for encapsulating perovskite to prevent lead leakage therefrom, a method for encapsulating perovskite to prevent lead leakage therefrom, and a perovskite photoactive device including the encapsulant are disclosed. The encapsulant for encapsulating perovskite may contain a crown ether-based compound having a benzene ring substituted with an alkyl group. The perovskite encapsulating method may include coating, on a perovskite layer, a solution in which a crown ether-based compound having a benzene ring substituted with an alkyl group is dissolved in an organic solvent. The perovskite photoactive device includes an encapsulant encapsulating the perovskite layer to prevent the lead leakage therefrom.

Abstract: An earphone with an ANC automatic blocking function includes: a danger occurrence notification sound information registration unit registering and storing unique sound information of a danger occurrence notification sound certified by a public institution; an external sound recognition unit recognizing an external sound during operation of an ANC function; a sound information comparison analysis unit comparing sound information recognized by the external sound recognition unit with sound information registered in the danger occurrence notification sound information registration unit and analyzing and determining whether matching sound information exists; and an ANC function maintaining and blocking controller blocking the ANC function immediately when it is determined from an analysis result of the sound information comparison analysis unit that there exists sound information matching the sound information recognized by the external sound recognition unit.

Abstract: The present invention relates to a method for manufacturing a heterogeneous composite material thin plate, and a heterogeneous composite material thin plate manufactured thereby, the method comprising the steps of: (a) manufacturing a composite powder by ball milling an aluminum or aluminum alloy powder and a carbon nanotube powder; (b) manufacturing a multilayer billet comprising the composite powder, and comprising a core layer and two or more shell layers that encompass the core layer, the core layer being formed of the composite powder or an aluminum alloy, the shell layers excluding the outermost shell layer and being formed of the composite powder, and the outermost shell layer being formed of (i) an aluminum or aluminum alloy powder or (ii) the composite powder; (c) manufacturing an extruded material by extruding the multilayer billet; and (d) rolling the extruded material to mold same into a thin plate shape.

Abstract: There are provided a system and a method for vehicle-to-vehicle radio communication using an ultraviolet C band which enable vehicle-to-vehicle (V2V) communication by a wireless communication scheme using an ultraviolet C band (200 to 280 nm) to enhance safety of a vehicle operation. The system includes: a transmitter performing optical modulation for signal transmission when binary data for transmission is input, being driven to transmit the modulated optical signal, and transmitting a signal for vehicle-to-vehicle radio communication using an ultraviolet C band; and a receiver filtering an optical signal received through a UV lens, converting the filtered optical signal into a photon signal, and demodulating and recovering the photon signal.

Abstract: Disclosed are an object damage inspection system and an object damage inspection method using the same. The system includes a vibration exciter for setting a vibration exciting pattern and applying a physical force to one face of the fixed test object based on the set vibration exciting pattern; a sensor contacting a portion of the test object, wherein the sensor collects a vibration signal generated from the test object when the physical force is applied thereto; and a damage determiner configured to determine whether the test object has physical damage, based on a test object measurement frequency signal and a reference object measurement frequency signal, wherein the test object measurement frequency signal includes a frequency domain signal into which the vibration signal collected by the sensor is converted.

Abstract: The present invention relates to a conjugated polymer compound for a polymer solar cell donor and a polymer solar cell comprising same, wherein the conjugated polymer compound has a D-A form in which an electron-donating unit (benzodithiophene, BDT) and an electron-withdrawing unit (quinoxline, Qx) are combined, where a cyano (CN) substituent instead of fluorine (F) is introduced into the Qx unit to improve charge generation, charge transfer, and charge recombination characteristics of the polymer solar cell regardless of the type of acceptor contained in a photo-active layer, so that a polymer solar cell with greatly improved photo-conversion efficiency (PCE) can be implemented.

Abstract: There are provided a porous membrane including a perfluoroalkoxy alkane (PFA)-based melt-extruded film and having pores controlled by biaxial stretching, and a manufacturing method therefore. The porous membrane is for water treatment and includes a fluoropolymer. The method includes forming a film by melt-extruding a fluoropolymer; and controlling the pore size of the formed film by biaxial stretching. The membrane for water treatment is based on a fluoropolymer and has physical properties that are resistant to high temperatures and strong acids, and it is able to be used for treatment of wastewater such as semiconductor wastewater.