Abstract: Disclosed are a thermal donor quantity prediction method using the lifetime of a silicon wafer including measuring the lifetime and the thermal donor quantity of a sampling wafer before and after donor killing and comparing the same to acquire correlation data and acquiring the lifetime of a wafer to be inspected that is selected during a wafer production process before and after donor killing and predicting the thermal donor quantity based on the correlation data and a thermal donor quantity prediction apparatus that performs the method. It is possible to construct correlation data with a four-point probe and to predict the degree of generation of thermal donors in a non-destructive manner based on the correlation data, thereby reducing a decrease in production yield without wafer damage and improving thermal donor quantity prediction reliability while having high analysis capability for a front surface of a wafer.

Abstract: A printed circuit board includes a substrate portion including a first insulating layer, and a first wiring layer disposed on or in the first insulating layer, and a connection structure disposed on or in the substrate portion, the connection structure including a plurality of first dielectric layers, first and second metal layers respectively disposed on the plurality of first dielectric layers, a second insulating layer disposed on the plurality of first dielectric layers, and a second wiring layer disposed on the second insulating layer. Each of the plurality of first dielectric layers includes an organic material. A distance between the first metal layer and the second metal layer is less than a distance between the first metal layer and the second wiring layer.

Abstract: The present disclosure relates to a composite for hydrogen storage formed through lithiation and a method of preparing the same.

Abstract: There are provided an apparatus and a method for reconstructing a 3D human object based on a monocular image through depth image-based implicit function learning. A 3D human object reconstruction method according to an embodiment includes: predicting a double-sided orthographic depth map from a front perspective color image of a human object; predicting a signed distance (SD) regarding points on a 3D space from the predicted double-sided orthographic depth map; and reconstructing a 3D human object by using the predicted SD. Accordingly, a human object and details can be naturally reconstructed with respect to not only an area visible through a front perspective color image of the human object but also an invisible area.

Abstract: Discussed are a gamma reference voltage output circuit and a display device. The gamma reference voltage output circuit includes an (N)th operational amplifier configured to output an (N)th gamma reference voltage through an (N)th output terminal, where N is a natural number, an (N+1)th operational amplifier configured to output an (N+1)th gamma reference voltage being lower than the (N)th gamma reference voltage through its (N+1)th output terminal, an (N+2)th operational amplifier configured to output an (N+2)th gamma reference voltage being lower than the (N+1)th gamma reference voltage to an (N+2)th output terminal, and one or more connection nodes to which a power terminal of one of adjacent operational amplifiers in the (N)th operational amplifier, the (N+1)th operational amplifier, and the (N+2)th operational amplifier is connected to an output terminal of another operational amplifier.

Abstract: Provided is a display device including a display panel configured to display an image, a scan driver configured to supply a scan signal to the display panel, a level shifter configured to generate gate control signals to drive the scan driver, a power supply configured to supply a voltage to the level shifter, and a timing controller configured to control the level shifter. The level shifter includes a level shifter output setting circuit implemented, so that at least one output channel is selected based on transmission signals supplied from the timing controller and an output state of the selected output channel is selected as a high voltage or a low voltage.

Abstract: A deposition apparatus and a method of driving the same are disclosed. A deposition apparatus includes a processor chamber configured to deposit a deposition material on a substrate, and a transfer chamber configured to transport the substrate to the processor chamber. In a partial region of the processor chamber, the processor chamber and the transfer chamber overlap with each other.

Abstract: There are provided an apparatus and a method for reconstructing a 3D human object in real time based on a monocular color image. A 3D human object reconstruction apparatus according to an embodiment extracts a pixel-aligned feature from a monocular image, extracts a ray-invariant feature from the pixel-aligned feature, generates encoded position information by encoding position information of a point, predicts a SD of a point from the ray-invariant feature and the encoded position information which are extracted, and reconstructs a 3D human object by using the predicted SD. Accordingly, the ray-invariant feature extracted from the pixel-aligned feature, and the encoded position information are used, so that an amount of computation for predicting SDs of points of a 3D space can be noticeably reduced and a speed can be remarkably enhanced.

Abstract: Proposed is a method of manufacturing a mask and the mask. In the mask, an inner surface sheet and an outer surface sheet have colors different from each other, and a user is capable of wearing the mask by exposing the inner surface sheet to the outside or by exposing the outer surface sheet to the outside. In addition, since a diamond-shaped portion and a linear-shaped portion are provided on the mask, the appearance of the mask is different from a mask of other people. Furthermore, since an upper covering portion and a lower covering portion which extend from the outer surface sheet and which respectively covers an upper portion and a lower portion of the inner surface sheet are provided in band shapes, aesthetic sense may further be improved when the user wears the mask by exposing the inner surface sheet to the outside.

Abstract: The present disclosure relates to a clock generator and a display device including the same. The clock generator includes a first clock generation circuit configured to output a clock, data, and a timing control signal; a first wiring through which the clock is serially transmitted; a second wiring through which the data is serially transmitted; a third wiring through which a pulse of the timing control signal is serially transmitted; a second clock generation circuit connected to the first clock generation circuit through the first wiring, the second wiring, and the third wiring and configured to generate pre-clocks in which phases are sequentially shifted based on the data and the clock; and a clock adjustment circuit configured to receive the pulse of the timing control signal and the pre-clock and output an output clock.

Abstract: The present disclosure relates to a printed circuit board including: a frame having a through-portion; a glass substrate in which at least a portion is disposed within the through-portion; a first insulating layer including a first insulating portion covering at least a portion of each of an upper surface of the frame and the glass substrate, a second insulating portion covering at least a portion of each of a lower surface of the frame and the glass substrate, and a third insulating portion filling at least a portion between the frame and the glass substrate; a through-via penetrating the glass substrate between its upper and lower surfaces; a first connection via penetrating at least a portion of the first insulating portion and directly connected to an upper surface of the through-via; and a second connection via penetrating at least a portion of the second insulating portion and directly connected to a lower surface of the through-via.

Abstract: A fluid heating heater according to one embodiment of the present invention may include a main body in which a flow path through which a fluid flows in and is heated is formed, an inlet that is disposed on one side of the main body and through which the fluid flows in, an outlet that is disposed on the other side of the main body and through which the fluid flows out, and a plurality of flow path protrusions that are provided inside the main body to protrude and are isotropically disposed between the inlet and the outlet.

Abstract: Embodiments disclose a level shifter including a logic unit configured to receive timing data and channel data and output an edge signal and a channel signal at a time point defined in the timing data, and a channel selection unit configured to select at least one channel from among a plurality of connected channels according to the channel signal and transmit the edge signal, and a display device including the same.

Abstract: The present invention provides an airfoil journal bearing including a bearing housing, a bump foil provided inside the bearing housing, formed in a circumferential direction, and coupled to the bearing housing, and a top foil provided inside the bump foil, formed in the circumferential direction, and having one end, based on the circumferential direction, fixedly coupled to the bearing housing, and the other end configured as a free end, in which the other end, which is the free end of the top foil, is formed to exceed one end in a direction in which the top foil extends based on one end fixed to the bearing housing, such that the other end of the top foil is disposed to overlap one side in the circumferential direction.

Abstract: The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.

Abstract: The present disclosure relates to a clock generator and a display device including the same. The clock generator includes a first clock generation circuit configured to output a clock, data, and a timing control signal; a first wiring through which the clock is serially transmitted; a second wiring through which the data is serially transmitted; a third wiring through which a pulse of the timing control signal is serially transmitted; a second clock generation circuit connected to the first clock generation circuit through the first wiring, the second wiring, and the third wiring and configured to generate pre-clocks in which phases are sequentially shifted based on the data and the clock; and a clock adjustment circuit configured to receive the pulse of the timing control signal and the pre-clock and output an output clock.

Abstract: Discussed are a gamma reference voltage output circuit and a display device. The gamma reference voltage output circuit includes an (N)th operational amplifier configured to output an (N)th gamma reference voltage through an (N)th output terminal, where N is a natural number, an (N+1)th operational amplifier configured to output an (N+1)th gamma reference voltage being lower than the (N)th gamma reference voltage through its (N+1)th output terminal, an (N+2)th operational amplifier configured to output an (N+2)th gamma reference voltage being lower than the (N+1)th gamma reference voltage to an (N+2)th output terminal, and one or more connection nodes to which a power terminal of one of adjacent operational amplifiers in the (N)th operational amplifier, the (N+1)th operational amplifier, and the (N+2)th operational amplifier is connected to an output terminal of another operational amplifier.

Abstract: The present invention relates to a motor capable of minimizing the total harmonic distortion of the no-load back electromotive force and reducing torque ripple and cogging torque. According to the present invention, it is possible to mitigate motor vibration and noise by minimizing the total harmonic distortion of the motor's no-load back electromotive force in such a way as to provide various combinations of pole and slot numbers and offering optimal parameters accordingly and by reducing torque ripple and cogging torque through optimal design of permanent magnets.

Abstract: The present invention relates to a slurry transfer device, and a slurry transfer method using the same, which relates to, particularly, a negative electrode slurry transfer device for a secondary battery, and a method of transferring a negative electrode slurry for a secondary battery using the same. According to a slurry transfer device related to one example of the present invention, and a slurry transfer method using the same, it is possible to prevent the quality of the slurry from deteriorating during transfer, and to increase the filter replacement cycle.

Abstract: A printed circuit board includes an insulating layer, a through-hole including a first region penetrating through a portion of the insulating layer from an upper surface of the insulating layer and a second region penetrating through another portion of the insulating layer from a lower surface of the insulating layer, and a metal via including a first metal layer disposed in a portion of the first region, a second metal layer disposed above the first metal layer and disposed in another portion of the first region, and a third metal layer disposed below the first metal layer and disposed in the second region. An upper surface of the first metal layer is located below the upper surface of the insulating layer.