Abstract: A superconducting device includes a frequency-tunable device including a first conductive pad and a second conductive pad which are connected to each other by a Josephson junction, a ferromagnet having a magnetic domain wall, and a control circuit configured to apply a current to the ferromagnet to adjust a position of the magnetic domain wall of the ferromagnet, and to control a resonance frequency of the frequency-tunable device.

Abstract: A superconducting device includes a frequency tunable device comprising a first conductive pad and a second conductive pad that are connected to each other by a Josephson junction, a ferromagnetic structure disposed at a predetermined distance apart from the first and second conductive pads, a control line located below the ferromagnetic structure, and a control circuit configured to control a resonant frequency of the frequency tunable device by controlling current flowing through the control line.

Abstract: Provided is a piezoelectric linear actuator. The piezoelectric linear actuator includes a slider having first and second surfaces facing each other, first and second plates spaced by predetermined distances from the first and second surfaces of the slider, respectively, a plurality of shear piezo stacks having one end fixed to the corresponding first or second plates, the plurality of shear piezo stacks being disposed toward the slider, and a friction member disposed on the shear piezo stacks to support the slider by a friction force with the slider. The slider includes a piezo plate expanding or contracting with respect to the shear piezo stacks according to a voltage applied thereto and a sliding member on each of both opposite surfaces of the piezo plate contacting the friction member.

Abstract: A non-rotational CT system according to the present invention comprises: a plurality of X-ray generation units which are radially arranged by being spaced at certain intervals around an inspected object, and in which position correcting sensors are equipped on one side thereof; a plurality of X-ray detection units which are arranged in separated spaces between the X-ray generation units, are provided alternately with the X-ray generation units, and in which position correcting sensors are equipped on one side thereof; a control unit which receives signals from the position correcting sensors equipped in the X-ray generation units and the X-ray detection units, and adjusts the positions of each of the X-ray generation units and the X-ray detection units which face each other to precisely correspond with each other; a data processing unit which stores two-dimensional X-ray images obtained from the X-ray detection units, and applies an image interpolation technique to calculate two-dimensional X-ray images betwe

Abstract: The present invention provides an X-ray needle module for local radiation therapy containing: an X-ray generating part supplied with external electric power; and an X-ray needle forming part which collects the X-rays generated by the X-ray generating part and extracts the collected X-rays into high-intensity short-wavelength parallel X-rays so as to form an X-ray needle. The X-ray needle forming part includes a housing with an entrance hole at one surface through which the X-rays generated by the X-ray generating part enter and an exit hole at another surface through which the X-ray needle exits, the X-ray needle, provided in the housing, which collects the X-rays generated by the X-ray generating part and forms the X-ray needle of the high-intensity short-wavelength parallel X-rays and a position controller, provided at a leading end of the X-ray mirror.

Abstract: An apparatus for measuring static electricity on a substrate includes a measuring unit, an information processing unit, and a display unit. The measuring unit measures first static electricity information from the substrate. The information processing unit calculates a static electricity distribution state of the substrate using the first static electricity information. The display unit displays a graphic image representing the static electricity distribution state. The information processing unit includes a calculating unit and a controller. The calculating unit estimates second static electricity information using the first static electricity information. The controller calculates the static electricity distribution state of the substrate using the first static electricity information and the second static electricity information.

Abstract: Provided is a piezoelectric linear actuator. The piezoelectric linear actuator includes a slider having first and second surfaces facing each other, first and second plates spaced by predetermined distances from the first and second surfaces of the slider, respectively, a plurality of shear piezo stacks having one end fixed to the corresponding first or second plates, the plurality of shear piezo stacks being disposed toward the slider, and a friction member disposed on the shear piezo stacks to support the slider by a friction force with the slider. The slider includes a piezo plate expanding or contracting with respect to the shear piezo stacks according to a voltage applied thereto and a sliding member on each of both opposite surfaces of the piezo plate contacting the friction member.

Abstract: A probe head and a scanning probe microscope (SPM) including the probe head are provided. The probe head includes a plurality of cantilevers, each including a probe; and a holder on which the plurality of cantilevers are installed, wherein a cantilever facing a sample is changed by rotating the holder.

Abstract: A non-rotational CT system according to the present invention comprises: a plurality of X-ray generation units which are radially arranged by being spaced at certain intervals around an inspected object, and in which position correcting sensors are equipped on one side thereof; a plurality of X-ray detection units which are arranged in separated spaces between the X-ray generation units, are provided alternately with the X-ray generation units, and in which position correcting sensors are equipped on one side thereof; a control unit which receives signals from the position correcting sensors equipped in the X-ray generation units and the X-ray detection units, and adjusts the positions of each of the X-ray generation units and the X-ray detection units which face each other to precisely correspond with each other; a data processing unit which stores two-dimensional X-ray images obtained from the X-ray detection units, and applies an image interpolation technique to calculate two-dimensional X-ray images betwe

Abstract: An X-ray needle module for local radiation therapy according to the present invention includes: an X-ray generating part (100) which is supplied with external electric power and generates X-rays (101); and an X-ray needle forming part (200) which collects the X-rays (101) generated by the X-ray generating part (100) and extracts the collected X-rays into high-intensity short-wavelength parallel X-rays (201) so as to form an X-ray needle, wherein the X-ray needle forming part (200) includes a housing (210) with an entrance hole (211) at one surface through which the X-rays generated by the X-ray generating part (100) enter and an exit hole (212) at another surface through which the X-ray needle exits, the X-ray needle, provided in the housing, which collects the X-rays generated by the X-ray generating part (100) and forms the X-ray needle of the high-intensity short-wavelength parallel X-rays (201), and a position controller (300), provided at a leading end of the X-ray mirror (220), which controls an install

Abstract: A probe head and a scanning probe microscope (SPM) including the probe head are provided. The probe head includes a plurality of cantilevers, each including a probe; and a holder on which the plurality of cantilevers are installed, wherein a cantilever facing a sample is changed by rotating the holder.

Abstract: A nanostructure without bulges and a method of fabricating the nanostructure are provided. The method includes forming a nanopattern on a surface of a polymer, allowing the surface of the polymer with the nanopattern to come into contact with a predetermined solvent, and applying an external stimulus to the surface of the polymer in contact with the solvent to remove bulges around the nanopattern formed during formation of the nanopattern. Accordingly, the bulges of the nanostructure where the nanopattern is formed may be removed at a low cost and in a simple manner.

Abstract: A method for fabricating a chip size package having a metal runner capable of preventing split generation due to stress in a solder mask made of a polymer such as BCB. The disclosed method includes steps of forming a stress buffer layer on a semiconductor chip having a plurality of bonding pads to expose a bonding pad; applying negative type photoresist on the stress buffer layer; forming a photoresist pattern having a convex cross section and defining a metal runner formative region by exposing and developing the photoresist; forming a predetermined metal layer having a height similar to that of the photoresist pattern on the metal runner formative region; removing the photoresist pattern to form a metal runner being in contact with the bonding pads of the semiconductor chip and having a concave cross section; forming a solder mask to expose a ball land of the metal runner on the stress buffer layer including the metal runner; and adhering a solder ball on the exposed ball.

Abstract: A method for fabricating a chip size package having a metal runner capable of preventing split generation due to stress in a solder mask made of a polymer such as BCB. The disclosed method includes steps of forming a stress buffer layer on a semiconductor chip having a plurality of bonding pads to expose a bonding pad; applying negative type photoresist on the stress buffer layer; forming a photoresist pattern having a convex cross section and defining a metal runner formative region by exposing and developing the photoresist; forming a predetermined metal layer having a height similar to that of the photoresist pattern on the metal runner formative region; removing the photoresist pattern to form a metal runner being in contact with the bonding pads of the semiconductor chip and having a concave cross section; forming a solder mask to expose a ball land of the metal runner on the stress buffer layer including the metal runner; and adhering a solder ball on the exposed ball.