Abstract: A semiconductor device of an embodiment includes a control circuit arranged on a substrate, a first conductive layer arranged on the control circuit and containing a first element as a main component, a multilayer structure arranged on the first conductive layer and configured such that multiple second conductive layers and multiple insulating layers are alternately stacked on each other, a memory layer penetrating the multilayer structure and reaching the first conductive layer at a bottom portion, a first layer arranged between the control circuit and the first conductive layer and containing the first element as a main component, and a second layer arranged between the control circuit and the first layer and containing, as a main component, a second element different from the first element.

Abstract: An ink for ink jet recording according to an embodiment is an ink for ink jet recording containing pigment, colloidal silica, and amino acid.

Abstract: An ink jet recording apparatus includes a line head including a region of nozzles that are formed in an intersecting direction intersecting a transport direction of a recording medium and eject an ink, the region covering a printing region of the recording medium in the intersecting direction, a drying unit that dries the recording medium, a transport unit that transports the recording medium, and a control unit. The ink contains colloidal silica, and the control unit controls the drying unit and the transport unit such that drying of the ink is started within 0.4 second after the ink is attached to the recording medium.

Abstract: According to one embodiment, a method for producing a semiconductor device includes forming a first film on a substrate. A second film is formed on the first film. A recess is formed in the second film. First processing by which a third film is formed on the second film to form a side face of the recess with the second film and second processing by which the first film exposed in the recess is processed by using the second and third films, are executed one or more times. In relation to an N-th (N is an integer greater than or equal to 1) first processing, before the third film is formed on the second film, a surface inclined with respect to the side face of the recess is formed above the side face of the recess.

Abstract: Provided is an ink set including black ink and color ink, in which the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water, the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound, and a content of the potassium ion is the largest among the alkali ions.

Abstract: According to one embodiment, a method for producing a semiconductor device includes forming a first film on a substrate. A second film is formed on the first film. A recess is formed in the second film. First processing by which a third film is formed on the second film to form a side face of the recess with the second film and second processing by which the first film exposed in the recess is processed by using the second and third films, are executed one or more times. In relation to an N-th (N is an integer greater than or equal to 1) first processing, before the third film is formed on the second film, a surface inclined with respect to the side face of the recess is formed above the side face of the recess.

Abstract: According to the invention, there is provided an ink set which contains at least one ink selected from a group of a black pigment ink, a self-dispersing color pigment ink, and a resin-dispersion color pigment ink. The moisture quantity of the black pigment ink is from 68 mass % to 75 mass %. The moisture quantity of the self-dispersing color pigment ink is from 62 mass % to 72 mass %. The moisture quantity of the resin-dispersion color pigment ink is from 68 mass % to 75 mass %.

Abstract: An ink composition includes core shell titanium oxide particles that each have a core particle and a shell layer covering a surface of the core particle and formed of titanium oxide, and have an average particle diameter of 50 nm or more and 5000 nm or less, silicon oxide particles that have an average particle diameter of 3 nm or more and 100 nm or less, and a resin.

Abstract: According to the invention, there is provided an ink set which contains at least one ink selected from a group of a black pigment ink, a self-dispersing color pigment ink, and a resin-dispersion color pigment ink. The moisture quantity of the black pigment ink is from 68 mass % to 75 mass %. The moisture quantity of the self-dispersing color pigment ink is from 62 mass % to 72 mass %. The moisture quantity of the resin-dispersion color pigment ink is from 68 mass % to 75 mass %.

Abstract: Provided is an ink set including black ink and color ink, in which the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water, the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound, and a content of the potassium ion is the largest among the alkali ions.

Abstract: A method of manufacturing a semiconductor device includes forming a mask layer including aluminum or an aluminum compound on a layer to be etched comprising at least one first metal selected from tungsten, tantalum, zirconium, hafnium, molybdenum, niobium, ruthenium, osmium, rhenium, and iridium. The method of manufacturing a semiconductor device further includes patterning the mask layer, and etching the layer to be etched by using the patterned mask layer to form a hole or a groove in the layer to be etched.

Abstract: According to the invention, there is provided an ink set which contains at least one ink selected from a group of a black pigment ink, a self-dispersing color pigment ink, and a resin-dispersion color pigment ink. The moisture quantity of the black pigment ink is from 68 mass % to 75 mass %. The moisture quantity of the self-dispersing color pigment ink is from 62 mass % to 72 mass %. The moisture quantity of the resin-dispersion color pigment ink is from 68 mass % to 75 mass %.

Abstract: Provided is an ink set including black ink and color ink, in which the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water, the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound, and a content of the potassium ion is the largest among the alkali ions.

Abstract: According to one embodiment, a method for manufacturing a semiconductor device includes forming a mask layer on a layer to be etched, the mask layer containing tungsten and boron, a composition ratio of the tungsten being not less than 30%, patterning the mask layer, and performing a dry etching to the layer to be etched using the mask layer being patterned, and forming a hole or a slit in the layer to be etched.

Abstract: According to one embodiment, a method for manufacturing a semiconductor device includes forming a mask layer on a layer to be etched, the mask layer containing tungsten and boron, a composition ratio of the tungsten being not less than 30%, patterning the mask layer, and performing a dry etching to the layer to be etched using the mask layer being patterned, and forming a hole or a slit in the layer to be etched.

Abstract: According to the invention, there is provided an ink set which contains at least one ink selected from a group of a black pigment ink, a self-dispersing color pigment ink, and a resin-dispersion color pigment ink. The moisture quantity of the black pigment ink is from 68 mass % to 75 mass %. The moisture quantity of the self-dispersing color pigment ink is from 62 mass % to 72 mass %. The moisture quantity of the resin-dispersion color pigment ink is from 68 mass % to 75 mass %.

Abstract: Provided is an ink set including black ink and color ink, in which the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water, the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound, and a content of the potassium ion is the largest among the alkali ions.

Abstract: In an ink jet recording method, one pass printing recording is performed by using two or more kinds of inks, static surface tension differences between two or more kinds of inks are all 2 mN/m or lower, and the ink having the lowest L* value is printed first, and the ink having the highest L* value is printed last.

Abstract: An ink set includes a first ink containing a fatty acid and a self-dispersing pigment, and at least either a second ink containing a resin-dispersed pigment and substantially no fatty acid or a third ink containing a self-dispersing pigment and substantially no fatty acid.

Abstract: An ink composition for ink jet recording according to the invention contains water, a coloring material, and three or more kinds of acetylene glycol-based surfactant selected from acetylene glycol represented by the following general formula (1) and an ethylene oxide adduct of acetylene glycol represented by the following general formula (2), and a total content of the acetylene glycol-based surfactant is 0.1% by mass to 3% by mass with respect to the total mass of the ink composition. (In the general formula (1), each of R1 and R2 independently represents an alkyl group having 1 to 5 carbon atoms.) (In the general formula (2), each of R3 and R4 independently represents an alkyl group having 1 to 5 carbon atoms, each of m and n independently represents an integer of 0.5 to 25, and m+n is 1 to 40).