Abstract: A rechargeable battery according to one aspect of the present invention includes: an electrode assembly that includes a first electrode and a second electrode; a case of which one side is opened, and that receives the electrode assembly; a cap assembly that includes a cap plate covering the opened portion of the case; a first current collecting member that is disposed at a lower side of the cap assembly and is thus connected with the first electrode; a sealing member that is made of an insulation material and penetrates the cap plate and the first current collecting member; and a first terminal in which a base portion fixed to an outer side of the cap plate and an extension portion formed to penetrate the sealing member such that first current collecting member is fixed to the cap assembly are formed as a single body.

Abstract: An image sensor, imaging device, and method are provided. The image sensor includes a pixel array including an active area in which plural active pixels are located, and a dummy area in which plural dummy pixels are located, and a test element group (TEG) which is located in the dummy area and on which a test light-shielding pattern, different from a light-shielding pattern formed on the active area, is formed to detect a degree of misalignment between the light-shielding pattern and the active area.

Abstract: Disclosed herein are an apparatus and method for displaying an image on the surface of a jewel using a previously distorted image. The apparatus for displaying an image on a surface of a jewel using a previously distorted image includes a distorted image generation unit for generating a distorted image corresponding to an original image that is desired to be displayed on a table facet of a jewel in consideration of characteristics of the jewel and characteristics of the original image, and a display unit for outputting visible light corresponding to the distorted image to the jewel so that the original image is displayed on the table facet of the jewel.

Abstract: Provided are a cutting insert and a tool holder on which the cutting insert is provided. The cutting insert includes a circular upper surface, a circular lower surface, a cylindrical lateral surface for connecting the upper surface and the lower surface, an upper cutting edge formed between the upper surface and the lateral surface, a lower cutting edge formed between the lower surface and the lateral surface, and a plurality of rotation-preventing parts provided at the lateral surface so as to prevent the cutting insert from rotating with respect to the tool holder. Each rotation preventing part includes an inner curved surface recessed toward the center of the lateral surface and convexly rounded so as to form concentric circles in conjunction with the lateral surface, and a stepped rotation-preventing surface parallel to the axial direction of the insert and connecting the inner curved surface and the lateral surface.

Abstract: A variable air vent is provided. The air vent includes a housing that is mounted on a vehicle and has an open center. A ball housing is coupled to the housing and has an inner side surface that is formed in a curved surface. A ball configured has front and rear surfaces opened and a side surface that is inserted into the ball housing in a curved surface form corresponding to the ball housing. A first knob and a second knob are vertically disposed on the front and rear surfaces of the ball and a plurality of discharge range adjusting wings have a first rotating shaft that is integrally formed at one end of a flat plate. A first side of the first rotating shaft is inserted into the ball and a second side thereof includes a first wing gear inserted into the second knob.

Abstract: The purpose of the present invention is to provide a cutting insert capable of reducing cutting load and enhancing squareness.

Abstract: A substrate-treating apparatus is disclosed. The substrate-treating apparatus may include a vessel configured to provide a treatment space therein, a substrate-supporting unit provided in the vessel to support a substrate, and a spraying member configured to spray treatment solution on the substrate loaded on the substrate-supporting unit. The vessel may have an inner side surface, on which at least one texture pattern is formed.

Abstract: A cutting insert for an indexable drill according to the present disclosure may be used for external cutting or internal cutting depending on a position and a direction in which the cutting insert is installed even though a single type of cutting insert is provided. In addition, the cutting insert for an indexable drill according to the present disclosure has a section of the internal cutting edge which is involved in a cutting process or a section of the internal cutting edge which is not involved in the cutting process, which are clearly distinguished from each other, and as a result, the cutting insert may be rotated and mounted, and reversed and mounted on a drill body, such that maximum eight corners may be used to perform a cutting process.

Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.

Abstract: The technical objective of the present invention is to provide a double-sided cutting insert having a high feed rate, which can increase the edge strength and reduce the cutting load, and thus can be suitable for high feed rate processing.

Abstract: Disclosed is an electronic device including a battery, a display, a processor electrically connected with the battery and the display, and a memory which is electrically connected with the processor and stores at least one application, wherein the memory stores instructions which, when executed, cause the processor to monitor power consumption of the at least one application during execution of the at least one application in an off state of the display, and to display, on the display, information indicating whether a value of the power consumption exceeds a threshold selected during a selected time, based on at least a part of a result of the monitoring immediately after the display enters an on state.

Abstract: A technical object of the present disclosure is to provide an insert, which can maintain rigidity thereof regardless of a clearance angle of a clearance surface that forms a circular cutting edge. To this end, the insert according to the present disclosure includes a circular upper surface, a circular lower surface, and a clearance surface portion connecting the upper surface and the lower surface. The clearance surface portion is divided into first and second clearance surfaces along a circumference thereof, by a first wave line that forms a waveform of valleys facing the lower surface and mounts facing the upper surface.

Abstract: A technical object is to provide an insert capable of preventing escaping of the insert from an assembly of the insert and a tool holder. To this purpose, the insert includes an insert body, and a holder fastening portion provided in the insert body to be fastened to the tool holder, in which the holder fastening portion includes one or more fastening holes formed through the insert body from an upper surface to a lower surface, and one or more locking recesses formed by being recessed in a lower surface periphery of the insert body.

Abstract: The present disclosure relates to a cutting insert and an indexable drill. The cutting insert and the indexable drill according to the present disclosure are configured such that when the cutting insert is mounted on the indexable drill, the cutting insert is easily inserted into the indexable drill at the initial time, and strong coupling force is implemented between the indexable drill and the cutting insert at a point of time at which the cutting insert is completely mounted. In addition, the cutting insert, according to the present disclosure, has excellent rigidity, when compared to cutting inserts in the related art that perform identical/similar cutting processing, since a portion, which is weak in rigidity, is provided as a thick portion.

Abstract: The present invention relates to a hard coating including an MT-TiCN layer and an ?-alumina layer which are formed by using a chemical vapor deposition method. A hard coating for cutting tools, which is a coating formed on a base material of a cutting tool formed of a hard material, the coating comprising: a TiCN layer; and an ?-alumina layer formed on the TiCN layer, wherein: the ?-alumina layer has a main peak (maximal strength peak) of (006) plane located between 20-40 degrees during a psi rocking analysis by an XRD; a residual stress in the ?-Al2O3 layer is ?0.9-0.4 GPa; the TiCN layer is composed of TiCxNyOz (x+y+z?1, x>0, y>0, z?0); a composition ratio of C/(C+N) is greater than or equal to 0.4 and smaller than 0.5; the ratio of TC(220)/TC(422) is smaller than 0.45; and the ratio of TC(220)/TC(422) is less than 0.45.

Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.

Abstract: A hard coating includes a thin film layer which has a total thickness of 0.5-10 ?m and has an overall composition of Al1-a-bTiaMebN (0.2<a?0.6, 0<b?0.15) , where Me is a nitride constituent element having a thermal expansion coefficient of greater than 2.7×10?6/° C. and less than 9.35×10?6/° C., wherein the thin film layer has a structure in which a nano-multilayered-structure of thin layers A, B and C, thin layer B being disposed between thin layer A and thin layer C, is repeatedly laminated at least once.

Abstract: Disclosed herein are an apparatus and method for displaying an image on the surface of a jewel using a previously distorted image. The apparatus for displaying an image on a surface of a jewel using a previously distorted image includes a distorted image generation unit for generating a distorted image corresponding to an original image that is desired to be displayed on a table facet of a jewel in consideration of characteristics of the jewel and characteristics of the original image, and a display unit for outputting visible light corresponding to the distorted image to the jewel so that the original image is displayed on the table facet of the jewel.

Abstract: The purpose of the present invention is to provide a cutting insert capable of reducing cutting load and enhancing squareness.

Abstract: An infrared detection device can be used to detect coal mine polar gas. The detection device can include a central processor and a gas pool assembly having a moveable optical window. The moveable optical window can include a stationary pool body and a moveable pool body inserted into the stationary pool body.