Abstract: A semiconductor device includes a substrate including at least two semiconductor chip regions and a scribe lane region disposed between the semiconductor chip regions. The semiconductor device additionally includes a first optical measurement pattern disposed on the substrate. The semiconductor device further includes a second optical measurement pattern disposed on an upper layer of the first optical measurement pattern, the second optical measurement pattern being spaced apart from the first optical measurement pattern. The semiconductor device additionally includes a three-dimensional (3D) shielding structure surrounding the first optical measurement pattern and including an electrically conductive material.

Abstract: Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector.

Abstract: A data receiver includes a plurality of samplers, each of the samplers amplifies a difference between a first reference voltage and an input voltage and amplifies a difference between a second reference voltage and the input voltage. Operational paths of the samplers are differently controlled according to a level of second data corresponding to the second reference voltage, and first data corresponding to the first reference voltage is past data preceding current data and the second data is past data preceding the first data in the sampler.

Abstract: Provided is a method of coating a PVC tile floor with improved fouling resistance, abrasion resistance, workability and gloss. The method includes forming wax coating having a plurality of layers (a multilayer structure) on the surface of PVC tiles, and coating the uppermost surface of a wax layer with a coating agent for polishing stone surfaces so that a protective coating film for primarily protecting the floor from the outside is formed unlike a conventional floor coating having a pure wax layer structure, thereby advantageously fundamentally preventing scratches and stains of the surface, avoiding detachment and sliding of films and greatly improving durability and safety in use, and, in spite of simplified coating process, preventing yellowing, securing superior gloss, and improving workability and processability as well as maintenance/conservation after working and economic efficiency.

Abstract: Disclosed is a 3-dimensional porous mono-polar electrode body that includes a 3-dimensional porous parent substance, which has a 3-dimensional structure including a side and a remaining side that communicate with each other via a plurality of pores arranged in multiple layers and which is made of a metal material to have dimensional stability, and an electrode catalyst layer applied on the 3-dimensional porous parent substance. The 3-dimensional porous mono-polar electrode body is used to remove microorganisms contained in treatment water to thus minimize the consumption of power, which is required to remove the microorganisms, prevent secondary pollution, and ensure the durability of an electrode.

Abstract: A method of producing a polyimide film, including obtaining a polyamic acid including a repeating unit of Chemical Formula 1: wherein Ar1 and Ar2 are described in the specification; imidizing the polyamic acid to obtain a partially imidized polyimide; determining a sub-Tg temperature of the partially imidized polyimide; and heating the partially imidized polyimide in at least two steps to obtain a polyimide film, wherein a step transition temperature range is within the sub-Tg temperature ±30° C.

Abstract: A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0?x?1.

Abstract: A digital LDO regulator includes a first comparison circuit to compare an output voltage with a reference voltage and to output a reference load switching signal when the output voltage rises above the reference voltage, a logic circuit to output a control current in response to the reference load switching signal, a second comparison circuit to compare the output voltage with a transient reference voltage and to output a transient load switching signal when the output voltage rises above the transient reference voltage, a switching circuit to control the logic circuit to pass a transient current in response to the transient load switching signal, a circuit to provide a mirroring current to the logic circuit after a transient state, a load current supply circuit to switch in response to the control current and to supply a load current, and a capacitor coupled to the load current supply circuit.

Abstract: A semiconductor device includes a substrate including at least two semiconductor chip regions and a scribe lane region disposed between the semiconductor chip regions. The semiconductor device additionally includes a first optical measurement pattern disposed on the substrate. The semiconductor device further includes a second optical measurement pattern disposed on an upper layer of the first optical measurement pattern, the second optical measurement pattern being spaced apart from the first optical measurement pattern. The semiconductor device additionally includes a three-dimensional (3D) shielding structure surrounding the first optical measurement pattern and including an electrically conductive material.

Abstract: A method for fabricating a semiconductor device includes obtaining first raw data by measuring an overlay of a semiconductor wafer of a first lot and generating a regression equation based on the first raw data. A semiconductor wafer of a second lot is aligned based on a coefficient of the regression equation, second raw data is obtained by measuring an overlay of the aligned semiconductor wafer of the second lot, and the regression equation is corrected based on the second raw data. Correction of the regression equation includes dividing the regression equation into an initial equation and a residual equation excluding the initial equation from the regression equation, correcting a coefficient of the initial equation; and correcting a coefficient of the residual equation.

Abstract: A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0?x?1.

Abstract: A processing method includes processing a wafer based on initial data, measuring errors for each of the plurality of areas, calculating an error similarity of at least some of the plurality of areas as a function of a separation distance between each pair of some of the areas, selecting a first area and a plurality of second areas adjacent to the first area, calculating weight values for the second areas based on the error similarities between each pair of second areas and the error similarities between the first area and each second area, calculating an estimated error of the first area based on the measured errors of the second areas and the weight values for the second areas, and generating estimated data based on the estimated errors for each of the plurality of areas.

Abstract: Provided is a method of coating a PVC tile floor with improved fouling resistance, abrasion resistance, workability and gloss. The method includes forming wax coating having a plurality of layers (a multilayer structure) on the surface of PVC tiles, and coating the uppermost surface of a wax layer with a coating agent for polishing stone surfaces so that a protective coating film for primarily protecting the floor from the outside is formed unlike a conventional floor coating having a pure wax layer structure, thereby advantageously fundamentally preventing scratches and stains of the surface, avoiding detachment and sliding of films and greatly improving durability and safety in use, and, in spite of simplified coating process, preventing yellowing, securing superior gloss, and improving workability and processability as well as maintenance/conservation after working and economic efficiency.

Abstract: A slot die includes a material distribution chamber configured to distribute a casting solution supplied to the material distribution chamber, and a lip in which a slot including an expansion portion is defined and through which the casting solution distributed in the material distribution chamber is discharged, where a width of the expansion portion taken in a first direction is expanded from one side of the expansion portion to a lip end facing the one side and the one side of the expansion portion is apart from the lip end by a predetermined length taken along a second direction which is perpendicular to the first direction and substantially parallel to a flow direction of the casting solution.

Abstract: A data receiver includes a plurality of samplers, each of the samplers amplifies a difference between a first reference voltage and an input voltage and amplifies a difference between a second reference voltage and the input voltage. Operational paths of the samplers are differently controlled according to a level of second data corresponding to the second reference voltage, and first data corresponding to the first reference voltage is past data preceding current data and the second data is past data preceding the first data in the sampler.

Abstract: Disclosed are an anionic drug-containing polymeric micelle particle comprising: an anionic drug as an active ingredient; a cationic lipid; and an amphiphilic block copolymer, wherein the anionic drug forms a complex with the cationic lipid, and the complex is entrapped in the micelle structure of the amphiphilic block copolymer, and a method for preparing the same. The particle may increase stability of the anionic drug in blood or in a body fluid, and it may enable intracellular delivery to improve efficacy of anionic drugs.

Abstract: Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The electrode further includes an electrode attachment substance that adheres the film to the current collector.

Abstract: A method for fabricating a semiconductor device includes obtaining first raw data by measuring an overlay of a semiconductor wafer of a first lot and generating a regression equation based on the first raw data. A semiconductor wafer of a second lot is aligned based on a coefficient of the regression equation, second raw data is obtained by measuring an overlay of the aligned semiconductor wafer of the second lot, and the regression equation is corrected based on the second raw data. Correction of the regression equation includes dividing the regression equation into an initial equation and a residual equation excluding the initial equation from the regression equation, correcting a coefficient of the initial equation; and correcting a coefficient of the residual equation.

Abstract: Disclosed are a carrier for delivering a negatively charged drug, comprising a cationic lipid represented by formula 1, and a preparation method thereof. Also disclosed is a pharmaceutical composition comprising a negatively charged drug and a cationic lipid represented by formula 1, wherein the negatively charged drug forms a complex with the cationic lipid. The composition can increase the in vivo stability of the negatively charged drug after local or systemic administration and allows the intracellular delivery of the negatively charged drug. Thus, the composition will be useful for improving the therapeutic effect of the negatively charged drug.

Abstract: A slot die includes a material distribution chamber configured to distribute a casting solution supplied to the material distribution chamber, and a lip in which a slot including an expansion portion is defined and through which the casting solution distributed in the material distribution chamber is discharged, where a width of the expansion portion taken in a first direction is expanded from one side of the expansion portion to a lip end facing the one side and the one side of the expansion portion is apart from the lip end by a predetermined length taken along a second direction which is perpendicular to the first direction and substantially parallel to a flow direction of the casting solution.