Abstract:
Provided is a method of manufacturing a semiconductor device. The method of manufacturing the semiconductor device includes forming magneto tunnel layers, forming a hard mask on the magneto tunnel layers, etching the magneto tunnel layers to form a magneto tunnel junction, wherein etching by-products are formed on sidewalls of the magneto tunnel junction, performing chemical treatment on the etching by-products to convert the etching by-products into a chemical reactant; and inspecting the chemical reactant.
Abstract:
A photoresist-removing composition includes a polar organic solvent, an alkyl ammonium hydroxide, an aliphatic amine not including a hydroxy group, and a monovalent alcohol. To manufacture a semiconductor device, a photoresist pattern may be formed on a substrate, and the photoresist-removing composition may then be applied to the photoresist pattern. To manufacture a semiconductor package, a photoresist pattern including a plurality of via holes may be formed on a substrate. A plurality of conductive posts including a metal may be formed inside the plurality of via holes, and the photoresist pattern may be removed by applying a photoresist-removing composition of the inventive concept to the photoresist pattern. A semiconductor chip may be adhered to the substrate between the respective conductive posts.
Abstract:
Semiconductor devices include lower interconnections, upper interconnections crossing over the lower interconnections, selection components disposed at crossing points of the lower interconnections and the upper interconnections, respectively, and memory components disposed between the selection components and the upper interconnections. Each of the selection components may include a semiconductor pattern having a first sidewall and a second sidewall. The first sidewall of the semiconductor pattern may have a first upper width and a first lower width that is greater than the first upper width. The second sidewall of the semiconductor pattern may have a second upper width and a second lower width that is substantially equal to the second upper width.
Abstract:
A photoresist-removing composition includes a polar organic solvent, an alkyl ammonium hydroxide, an aliphatic amine not including a hydroxy group, and a monovalent alcohol. To manufacture a semiconductor device, a photoresist pattern may be formed on a substrate, and the photoresist-removing composition may then be applied to the photoresist pattern. To manufacture a semiconductor package, a photoresist pattern including a plurality of via holes may be formed on a substrate. A plurality of conductive posts including a metal may be formed inside the plurality of via holes, and the photoresist pattern may be removed by applying a photoresist-removing composition of the inventive concept to the photoresist pattern. A semiconductor chip may be adhered to the substrate between the respective conductive posts.
Abstract:
Embodiments of the inventive concepts provide a method of manufacturing a semiconductor device and a cleaning composition for an adhesive layer. The method includes preparing a semiconductor substrate to which an adhesive layer adheres, removing the adhesive layer from the semiconductor substrate, and applying a cleaning composition to the semiconductor substrate to remove a residue of the adhesive layer. The cleaning composition includes a solvent including a ketone compound and having a content that is equal to or greater than 40 wt % and less thaadminn 90 wt %, quaternary ammonium salt, and primary amine.
Abstract:
Embodiments of the inventive concepts provide a method of manufacturing a semiconductor device and a cleaning composition for an adhesive layer. The method includes preparing a semiconductor substrate to which an adhesive layer adheres, removing the adhesive layer from the semiconductor substrate, and applying a cleaning composition to the semiconductor substrate to remove a residue of the adhesive layer. The cleaning composition includes a solvent including a ketone compound and having a content that is equal to or greater than 40 wt % and less than 90 wt %, quaternary ammonium salt, and primary amine.
Abstract:
A method of manufacturing a semiconductor device may include forming a material layer on a substrate, performing a selective oxidation process to form a capping oxide layer on a first surface of the material layer, wherein a second surface of the material layer is not oxidized, and etching the material layer through the second surface to form a material pattern. An etch rate of the capping oxide layer is less than an etch rate of the material layer. A semiconductor device may include a lower electrode on a substrate, a data storage part on a top surface of the lower electrode, an upper electrode on the data storage part, and a capping oxide layer arranged on at least a portion of a top surface of the upper electrode. The capping oxide layer may include an oxide formed by oxidation of an upper surface of the upper electrode.
Abstract:
Semiconductor devices include lower interconnections, upper interconnections crossing over the lower interconnections, selection components disposed at crossing points of the lower interconnections and the upper interconnections, respectively, and memory components disposed between the selection components and the upper interconnections. Each of the selection components may include a semiconductor pattern having a first sidewall and a second sidewall. The first sidewall of the semiconductor pattern may have a first upper width and a first lower width that is greater than the first upper width. The second sidewall of the semiconductor pattern may have a second upper width and a second lower width that is substantially equal to the second upper width.