Abstract: A camera module according to an embodiment includes a printed circuit board; an infrared filter disposed on an upper surface of the printed circuit board; and an image sensor disposed under a lower surface of the printed circuit board, wherein the printed circuit board includes: an insulating layer including a cavity overlapping at least a part of the infrared filter and at least a part of the image sensor in an optical axis direction; and a circuit pattern buried in the insulating layer and connected to a terminal of the image sensor; and wherein a shape of the cavity is different from a shape of the image sensor.

Abstract: An interposer structure includes an interposer substrate, an interlayer insulating layer on an upper surface of the interposer substrate, a capacitor structure inside the interlayer insulating layer, a first via which penetrates the interlayer insulating layer in a vertical direction, the first via being connected to the capacitor structure, an insulating layer on the interlayer insulating layer, a second via which penetrates the insulating layer in the vertical direction, the second via being connected to the first via, and a through via which completely penetrates each of the interposer substrate, the interlayer insulating layer, and the insulating layer in the vertical direction, an upper surface of the through via being coplanar with an upper surface of the second via.

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.

Abstract: The present application relates to a composition for manufacturing paper and a method for manufacturing paper using same. The composition for manufacturing paper of the present application comprises a pulp fiber and a polymer fiber, and the content ratio between the pulp fiber and the polymer fiber is 50:50 to 95:5.

Abstract: The present application relates to a method for manufacturing an indicator for food that can visually check the quality change in food in a package state, an indicator for food manufactured therefrom, and a method for checking the storage status of food using the same. The manufacturing method of an indicator for food of the present application includes bonding a first film, on which an indicator layer including a pH-sensitive indicator is formed on one surface thereof, and a second film, on which an adhesive layer is formed on one surface thereof, so that the indicator layer of the first film and the adhesive layer of the second film can face each other.

Abstract: The present disclosure relates to a pH-sensitive indicator label using a pH-sensitive color-changing ink composition, and a packaging material, the pH-sensitive indicator label including: a pH-sensitive color-changing ink composition layer including a pH-sensitive color-changing ink composition; a first film on which the pH-sensitive color-changing ink composition layer is formed; and a second film laminated onto the first film to cover the pH-sensitive color-changing ink composition formed on the first film. The pH-sensitive color-changing ink composition of the pH-sensitive color-changing ink composition layer includes a pH-sensitive indicator prepared by mixing a plurality of pH color-changing dyes of which colors change according to the pH ranges thereof and a dissolving ink capable of dissolving the pH-sensitive indicator.

Abstract: The present disclosure relates to a pH-sensitive variable-color ink composition, and a pH-sensitive indicator label and packaging material using same. The pH-sensitive variable-color ink composition includes: a pH-sensitive indicator prepared by mixing a plurality of pH variable-color dyes of which colors change according to a pH range; dissolving ink which is stirred along with the pH-sensitive indicator and capable of dissolving the pH-sensitive indicator; and an adsorption compound which is stirred along with the dissolving ink and capable of adsorbing gas, and the pH-sensitive label and packaging material using the pH-sensitive variable-color ink composition use the pH-sensitive variable-color ink composition.

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.

Abstract: A Zn—Mg alloy plated steel material having excellent adhesion to plating and corrosion resistance comprises base steel and a plating layer formed on the surface of the base steel, wherein the plating layer comprises a Zn single phase, a Mg single phase, an MgZn2 alloy phase, and an Mg2Zn11 alloy phase, the Zn single phase is contained in the plating layer at a proportion of 15 to 19 volume %, and the proportion of the Zn single phase in a lower t/2 area of the plating layer adjacent to the base steel may be greater than the proportion of the Zn single phase in an upper t/2 area of the plating layer on the surface layer side of the plating layer. (Here, t means the thickness (?m) of the plating layer).

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.

Abstract: Provided is a Zn—Mg alloy plated steel material comprising: a base steel material; and first to third Zn—Mg alloy layers sequentially formed on the base steel material, wherein the first to third Zn—Mg alloy layers have a Zn single phase, a Mg single phase, a MgZn2 alloy phase, and a Mg2Zn11 alloy phase, an area rate of the MgZn2 alloy phase included in the first to third Zn—Mg alloy layers is larger than an area rate of the Mg2Zn11 alloy phase included in the first to third Zn—Mg alloy layers, and an area rate of a MgZn2 alloy phase included in each of the first to third Zn—Mg alloy layers is larger than an area rate of a MgZn2 alloy phase included in the second Zn—Mg alloy layer.

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.

Abstract: Provided is a Zn—Mg alloy plated steel material comprising: a base steel material; and first to third Zn—Mg alloy layers sequentially formed on the base steel material, wherein the first to third Zn—Mg alloy layers have a Zn single phase, a Mg single phase, a MgZn2 alloy phase, and a Mg2Zn11 alloy phase, an area rate of the MgZn2 alloy phase included in the first to third Zn—Mg alloy layers is larger than an area rate of the Mg2Zn11 alloy phase included in the first to third Zn—Mg alloy layers, and an area rate of a MgZn2 alloy phase included in each of the first to third Zn—Mg alloy layers is larger than an area rate of a MgZn2 alloy phase included in the second Zn—Mg alloy layer.

Abstract: Provided are a heating apparatus configured to generate a coating vapor for coating a base metal (steel sheet) which is continuously transferred in a vacuum state, and a coating device including the heating apparatus. A coating material to be converted into a coating vapor is initially supplied in a solid phase (solid state) and then phase changed into a liquid (liquid state). Thereafter, the liquid-state coating material is supplied to a heating unit, thereby preventing problems such as equipment erosion occurring when a liquid coating material is directly supplied and preventing the decrease of the temperature of a coating material when a solid wire is supplied as a coating material. As a result, the energy efficiency of the heating apparatus may be maximized.

Abstract: A chemical mechanical polishing (CMP) device includes a rotatable CMP pad located on a polishing platen, a rotatable wafer carrier located on an upper portion of the CMP pad and including a wafer, and a surface-roughness measuring device which is located apart from a surface of the CMP pad in a vertical direction and measures surface roughness of the CMP pad, wherein the surface-roughness measuring device includes a sensor array having a plurality of sensors, and the sensor array is horizontally movable over the upper portion of the CMP pad.

Abstract: The present invention relates to a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent coating adhesion and to a method for manufacturing same. Provided are a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and a method for manufacturing same, the steel sheet comprising: a substrate steel sheet; a Zn—Fe intermetallic compound layer formed on the substrate steel sheet; a first Zn—Mg coating layer formed on the Zn—Fe intermetallic compound layer and comprising a Zn—Fe intermetallic compound in which the content of Zn is 95% by weight or higher; a second Zn—Mg coating layer formed on the first Zn—Mg coating layer and comprising a Zn—Mg intermetallic compound in which the content of Zn is 80 to 95% by weight; and an oxide film formed on the second Zn—Mg coating layer and comprising a metallic oxide.

Abstract: A phosphate solution for a zinc or zinc-based alloy plated steel sheet, and a zinc or zinc-based alloy plated steel sheet using the same are provided. The phosphate solution for a zinc or zinc-based alloy plated steel sheet contains a molybdenum (Mo) ion, a calcium (Ca) ion and a phosphate ion. A zinc or zinc-based alloy plated steel sheet includes a base steel sheet, a zinc-based or zinc alloy-based plating layer formed on the base steel sheet, and a phosphate film formed on the zinc-based or zinc alloy-based plating layer. The phosphate film contains a molybdenum compound, Ca and a phosphate. A pitting phenomenon occurring at the time of treating a steel sheet with a phosphate is prevented, and excellent corrosion resistance is exhibited on a phosphate film.

Abstract: The present invention relates to a plated steel sheet, which can be used for vehicles, home appliances, construction materials and the like, and to a method for manufacturing the plated steel sheet.

Abstract: Provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing same. The Zn—Mg alloy plated steel sheet comprises a base steel sheet and a Zn—Mg plating layer formed on the base steel sheet, wherein the content of Mg in the Zn—Mg plating layer is 8 weight % or less (provided that 0 weight % is excluded), and the Zn—Mg plating layer is a compound phase of Zn and Mg2Zn11. According to the present invention, provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing the same, wherein the Zn—Mg alloy plated steel sheet has excellent corrosion resistance, high adhesion, and superior surface quality of metallic luster.

Abstract: Provided is a dry coating apparatus for coating a coating material, i.e., deposition vapor (metal vapor) on a substrate (a steel strip). The dry coating apparatus includes a coating part disposed in a vacuum to coat deposition vapor generated through heating and evaporation of a supplied coating material onto a proceeding object to be coated and a heating source disposed in an atmosphere to heat and levitate the coating material in the coating part.