Abstract: An X-ray source driving circuit and an X-ray generation device using the same are proposed. An objective of the present disclosure is to provide an X-ray source driving circuit having a low possibility of dielectric breakdown and capable of reducing an insulation distance between high voltage circuits, and to provide an X-ray generation device of which the size and weight may be reduced by using the same. To this end, the X-ray generation device includes an X-ray source including a cathode electrode, an anode electrode, and a gate electrode and configured to generate X-rays with a driving voltage applied to each electrode, a first voltage converter including a first transformer and at least one voltage multiplier for multiplying a first voltage output from the first transformer, and a second voltage converter including a second transformer and a voltage multiplier for multiplying a second voltage output from the second transformer.

Abstract: The disclosure is related to a panoramic radiography device. The panoramic radiography device may include an image processor and a viewer module. The image processor may be configured to produce a primary panoramic image using a first image layer and a secondary panoramic image using a secondary image layer based on a plurality of image frame data, wherein the second image layer is different from the first image layer in at least one of a number, a position, a shape, an angle, and a thickness. The viewer module may be configured to i) provide a graphic user interface having a primary display area and a secondary display area arranged at a predetermined position of the primary display area, ii) display the primary panoramic image at the primary display area, and iii) display a part of the secondary panoramic image at the secondary display area, wherein the part of the secondary panoramic image corresponds to the predetermined position.

Abstract: Provided are an X-ray detector having fabrication fault tolerant structure and a method for manufacturing the same using a micro-transfer printing (MTP) technique. The X-ray detector may include a photodiode layer formed on a base substrate within a pixel area and including a plurality of photodiode pixel units, a dummy layer formed the base substrate within a peripheral area, a plurality of pixel driving integrated chips printed on the photodiode layer, a plurality of primary column and row integrated chips printed on the dummy layer, and metal lines coupling the column and row integrated chips with pixel driving integrated chips and other constituent elements, wherein the plurality of pixel driving integrated chips and primary column and row integrated chips are manufactured separately from the photodiode layer and the dummy layer and attached on the photodiode layer and the dummy layer, respectively.

Abstract: Provided are an X-ray detector having fabrication fault tolerant structure and a method for manufacturing the same using a micro-transfer printing (MTP) technique. The X-ray detector may include a photodiode layer formed on a base substrate within a pixel area and including a plurality of photodiode pixel units, a dummy layer formed the base substrate within a peripheral area, a plurality of pixel driving integrated chips printed on the photodiode layer, a plurality of primary column and row integrated chips printed on the dummy layer, and metal lines coupling the column and row integrated chips with pixel driving integrated chips and other constituent elements, wherein the plurality of pixel driving integrated chips and primary column and row integrated chips are manufactured separately from the photodiode layer and the dummy layer and attached on the photodiode layer and the dummy layer, respectively.

Abstract: An X-ray imaging apparatus is proposed. The X-ray imaging apparatus is configured to capture first and second X-ray images having examination object's alignment positions different from each other, the X-ray imaging apparatus including an imaging part configured to include a generator and a detector facing each other with an examination object interposed therebetween, and rotate the generator and the detector about a rotation axis therebetween to capture each of the first and second X-ray images, and an examination object alignment part configured to arrange the examination object between the generator and the detector, wherein a position of at least a part of the examination object alignment part is variable, so as to move and align the examination object to a first alignment position for capturing the first X-ray image and a second alignment position for capturing the second X-ray image, respectively.

Abstract: A method of quantifying a size of a tissue of interest in a animal through a device including a storage, an image processor, and a display by using an X-ray image of the animal is proposed. The proposed method may include storing the X-ray image in the storage, displaying the X-ray image on the display, performing, by the image processor, processes of (i) calculating a reference value for a length of a reference tissue of the animal displayed on the X-ray image, (ii) calculating a value of a length in at least one specific direction of the tissue of interest of the animal displayed on the X-ray image, and (iii) quantifying the size of the tissue of interest as a ratio of the value of the length to the reference value, and displaying the quantified size of the tissue of interest on the display.

Abstract: The disclosure is related to a panoramic radiography device. The panoramic radiography device may include an image processor and a viewer module. The image processor may be configured to produce a primary panoramic image using a first image layer and a secondary panoramic image using a secondary image layer based on a plurality of image frame data, wherein the second image layer is different from the first image layer in at least one of a number, a position, a shape, an angle, and a thickness. The viewer module may be configured to i) provide a graphic user interface having a primary display area and a secondary display area arranged at a predetermined position of the primary display area, ii) display the primary panoramic image at the primary display area, and iii) display a part of the secondary panoramic image at the secondary display area, wherein the part of the secondary panoramic image corresponds to the predetermined position.

Abstract: Provided are a dental apparatus and a dental system using the dental apparatus, the dental apparatus including a signal detector configured to detect an electrical signal varying according to a distance between a file inserted into a tooth and an apical foramen, and a controller configured to execute a first mode for calculating the distance between the apical foramen and the file by using the electrical signal and for displaying the distance on a screen, and configured to execute a second mode for displaying root canal working length information and identification information received through a communication part or input part, on the screen, for generating identified root canal working length information by using the root canal working length information and the identification information, and for transmitting the identified root canal working length information to the external device through the communication part according to the input signal.

Abstract: The disclosure is related to a panoramic radiography device. The panoramic radiography device may include an image processor and a viewer module. The image processor may be configured to produce a primary panoramic image using a first image layer and a secondary panoramic image using a secondary image layer based on a plurality of image frame data, wherein the second image layer is different from the first image layer in at least one of a number, a position, a shape, an angle, and a thickness. The viewer module may be configured to i) provide a graphic user interface having a primary display area and a secondary display area arranged at a predetermined position of the primary display area, ii) display the primary panoramic image at the primary display area, and iii) display a part of the secondary panoramic image at the secondary display area, wherein the part of the secondary panoramic image corresponds to the predetermined position.

Abstract: Disclosed is an X-ray imaging device, which is capable of providing a tomographic image of an image layer disposed between an axis of rotation and an X-ray source. The imaging device according to the present invention includes a radiography unit having an X-ray source and an X-ray sensor disposed to face each other with a rotating axis therebetween, wherein the X-ray sensor configured to obtain X-ray transmission images, a driver configured to rotate the X-ray source and the X-ray sensor about the rotating axis, and an image processor configured to provide a two-dimensional tomographic image of an image layer disposed between the rotating axis and the X-ray source, by shifting and overlapping the X-ray transmission images after reversing left and right at least some of the X-ray transmission images.

Abstract: The present invention relates to an X-ray imaging apparatus which obtains an X-ray image of a subject placed between a generator and a detector by means of the rotation of the generator and the detector. The X-ray imaging apparatus comprises: the generator and the detector, which are disposed to face each other while having an object to be imaged therebetween, for irradiating and detecting an X-ray; a rotation drive unit for rotating the generator and the detector while having the object to be imaged therebetween; and a bed in which a first portion for supporting the object to be imaged is disposed between the generator and the detector. When the height of at least one from among the generator and the detector is T1, the height of the other is T2, and the height of the first portion is T3, said T1, T2, and T3 are T1>T3>T2.

Abstract: Disclosed is an X-ray imaging device, which is capable of providing a tomographic image of an image layer disposed between an axis of rotation and an X-ray source. The imaging device according to the present invention includes a radiography unit having an X-ray source and an X-ray sensor disposed to face each other with a rotating axis therebetween, wherein the X-ray sensor configured to obtain X-ray transmission images, a driver configured to rotate the X-ray source and the X-ray sensor about the rotating axis, and an image processor configured to provide a two-dimensional tomographic image of an image layer disposed between the rotating axis and the X-ray source, by shifting and overlapping the X-ray transmission images after reversing left and right at least some of the X-ray transmission images.

Abstract: Disclosed are an intraoral sensor and an X-ray imaging system. The intraoral sensor includes a sensor panel, a circuit unit, a memory, a battery, a casing, a first connector, and a power terminal. The X-ray imaging system includes a docking station with the intraoral sensor docked thereto, the docking station configured to provide a second connector connected to the first connector to perform at least one function of receiving the image signal stored in the memory, and charging the battery, or includes a transmission cable detachably connected to the intraoral sensor, and configured to provide a third connector connected to the first connector to transmit the image signal.

Abstract: Proposed is an X-ray imaging apparatus including an imaging body configured to include an X-ray generation module and an X-ray sensing module that face each other with an object in between and acquire X-ray image data, an image formation module configured to reconfigure an X-ray image of the object on the basis of the X-ray image data, a size information acquisition module configured to acquire size information on the object using the X-ray image, and a control module configured to rotate the X-ray generation module and the X-ray sensing module about a rotation axis between the X-ray generation module and the X-ray sensing module and relatively move the object along a direction of the rotation axis with respect to the X-ray generation module and the X-ray sensing module when capturing the X-ray image, wherein the control module controls a relative moving speed of the object on the basis of the size information.

Abstract: The X-ray generator includes a booster for boosting a first DC voltage supplied from a voltage source to a second DC voltage higher than the first DC voltage, at least one capacitor for receiving the second DC voltage and generating a charging voltage on the basis of the second DC voltage, a converter for converting the charging voltage into a driving voltage, an X-ray source for receiving the driving voltage and emitting X-rays according to the driving voltage, and a controller for controlling the booster, the converter, and the X-ray source. The controller calculates a cooling time required for cooling the X-ray source to a predetermined temperature or lower, determines the magnitude of the second DC voltage according to the cooling time, and applies the second DC voltage to the capacitor for the cooling time.

Abstract: Provided are an X-ray detector including a plurality of pixel driving micro integrated chips separately fabricated from a photodiode layer and printed on the photodiode layer and a method for manufacturing the X-ray detector. The X-ray detector may include a photodiode layer and a driver layer. The photodiode layer may include a plurality of photodiodes and be configured to receive X-ray that have passed through a target object and convert the received X-ray to electric signals. The driver layer may be formed on the photodiode layer and include a plurality of micro driving integrated chips each coupled to two or more photodiodes in the photodiode layer. The plurality of pixel driving integrated chips may be manufactured separately from the photodiode layer and printed on the photodiode layer using a micro-transfer printing method.

Abstract: Disclosed are a method of and an apparatus for 3D visualization of the root canal curvature of a tooth. The method includes (a) displaying a CT image of one or more teeth on the basis of CT image data, (b) three-dimensionally rendering at least a portion of the root canal of a target tooth when a dental practitioner selects the target tooth from the CT image, and (c) visualizing a curvature in a region of the root canal that is three-dimensionally rendered using a visual factor.

Abstract: The X-ray generator includes a booster for boosting a first DC voltage supplied from a voltage source to a second DC voltage higher than the first DC voltage, at least one capacitor for receiving the second DC voltage and generating a charging voltage on the basis of the second DC voltage, a converter for converting the charging voltage into a driving voltage, an X-ray source for receiving the driving voltage and emitting X-rays according to the driving voltage, and a controller for controlling the booster, the converter, and the X-ray source. The controller calculates a cooling time required for cooling the X-ray source to a predetermined temperature or lower, determines the magnitude of the second DC voltage according to the cooling time, and applies the second DC voltage to the capacitor for the cooling time.

Abstract: Provided are an X-ray detector including a plurality of pixel driving micro integrated chips separately fabricated from a photodiode layer and printed on the photodiode layer and a method for manufacturing the X-ray detector. The X-ray detector may include a photodiode layer and a driver layer. The photodiode layer may include a plurality of photodiodes and be configured to receive X-ray that have passed through a target object and convert the received X-ray to electric signals. The driver layer may be formed on the photodiode layer and include a plurality of micro driving integrated chips each coupled to two or more photodiodes in the photodiode layer. The plurality of pixel driving integrated chips may be manufactured separately from the photodiode layer and printed on the photodiode layer using a micro-transfer printing method.

Abstract: Disclosed are a cartridge-type X-ray source apparatus and an X-ray emission apparatus using the same. The X-ray source includes: a cathode electrode provided with an electron emission source by using a nanostructure; an anode electrode having a target emitting X-rays by electron collision; and a housing forming an external appearance, and exposing a cathode electrode terminal connected to the cathode electrode and an anode electrode terminal connected to the anode electrode to an outside thereof, wherein the cathode electrode terminal and the anode electrode terminal differ from each other in at least one of exposure direction, height, size, and shape.