Abstract: In a semiconductor substrate, a memory cell region in which a flash memory cell is formed is defined by an element isolation region. A floating gate electrode of the flash memory cell includes a protruding portion protruding toward an erase gate electrode so as to flare from a portion located immediately below a control gate electrode. Protruding portion includes an end face of a height corresponding to a thickness, and an inclined surface continuous with end face. Protruding portion faces erase gate electrode with a tunnel oxide film interposed therebetween.

Abstract: A floating gate insulating film is formed in a first element formation region of a substrate. A first insulating film and a control gate electrode are continuously formed from the first element formation region to a first element isolation film. A selection gate insulating film and a selection gate electrode are formed in the substrate located in the first element formation region. The selection gate electrode is continuously formed over the first element isolation film. A side surface of the selection gate electrode is in contact with a first side surface of a floating gate electrode through a second insulating film. An upper surface of a region overlapping with the selection gate electrode in the first element isolation film is located lower than an upper surface of the substrate.

Abstract: A floating gate insulating film is formed in a first element formation region of a substrate. A first insulating film and a control gate electrode are continuously formed from the first element formation region to a first element isolation film. A selection gate insulating film and a selection gate electrode are formed in the substrate located in the first element formation region. The selection gate electrode is continuously formed over the first element isolation film. A side surface of the selection gate electrode is in contact with a first side surface of a floating gate electrode through a second insulating film. An upper surface of a region overlapping with the selection gate electrode in the first element isolation film is located lower than an upper surface of the substrate.

Abstract: An iodine polarizing film includes a polymer film and iodine adsorbed and oriented on the polymer film, wherein an iodine content of the polarizing film is within the range of 1.9 to 3% by weight per 2.85 mm3, a single transmittance of the polarizing film is within the range of 43 to 45%, and a ratio (A2/A1) of a crossed absorbance A2 at a wavelength of 610 nm to a crossed absorbance Al at a wavelength of 480 nm is 1.16 or less.

Abstract: An end face of a sheet member is cut while rotating a cutting member having a rotation axis extending along a vertical direction of the end face of the sheet member and a cutting blade projecting to a side of the end face of the sheet member around the rotation axis. The cutting member is moved relatively to the sheet member along a longitudinal direction of the end face to be cut. The part separated from a virtual line parallel to the sheet face and passing the rotation center in a cutting region formed by the rotating cutting blade is made to contact the end face of the sheet member.

Abstract: A polarizer that can be used for forming a liquid crystal display or an electroluminescent display with less display irregularities and excellent display characteristics is provided. The polarizer contains a dichroic material in a matrix, and its in-plane retardation at a measurement wavelength providing no absorption is in a range of 950 to 1350 nm. The measurement wavelength is preferably a wavelength that the dichroic material provides no absorption, and it is 1000 nm, for example.

Abstract: A polarizing plate of the present invention includes a stretched laminate that is a laminate including a base material layer and a hydrophilic polymer layer and has undergone a stretching process, and at least a dichroic substance is adsorbed to the hydrophilic polymer layer. The polarizing plate of the present invention can be prevented from curling even when the polarizer is reduced in thickness.

Abstract: A polarizing plate of the present invention includes a polyvinyl alcohol-based polarizer; and transparent protective films provided on both sides of the polarizer with an adhesive layer interposed between the polarizer and each transparent protective film, wherein the transparent protective film on one side comprises a lactone ring structure-containing (meth)acrylic resin and has an in-plane retardation of less than 40 nm and a thickness direction retardation of less than 80 nm, and the transparent protective film on the other side is a retardation plate that comprises a cellulose ester and satisfies the relation: nx>ny>nz, wherein nx is a refractive index in an X-axis direction where the in-plane refractive index is maximum, ny is a refractive index in a Y-axis direction perpendicular to the X-axis, and nz is a refractive index in a Z-axis direction corresponding to the thickness direction. The polarizing plate can satisfy durability and display uniformity (unevenness).

Abstract: The combination optical film of the invention comprises a plurality of optical films in which at least one end face of the optical films are butted against one another, wherein the butted end faces substantially match one another in shape, the butted end faces each have a portion non-vertical to the front and back surfaces of the optical films, and the end faces are butted against one another so as not to form a continuous gap in the normal direction of the optical films from the front to back surfaces. The combination optical film can prevent light leakage without degrading appearance.

Abstract: A nonvolatile semiconductor memory device includes a first columnar protrusion and a second columnar protrusion formed to be spaced out on a surface of a semiconductor substrate, and the first and the second columnar protrusions each include a split gate nonvolatile memory cell in which a first source/drain region and a second source/drain region are formed at a surrounding part and an extremity, and in which a first layered structure, in which a charge accumulating film and a memory gate line are layered, and a second layered structure, in which a gate oxide film and a control gate line are layered, are formed on a surface of a sidewall between the surrounding part and the extremity. The first layered structure is also formed between the first and second columnar protrusions, whereby the memory gate line of the first columnar protrusion and the second columnar protrusion is connected each other.

Abstract: An end face of a sheet member is cut while rotating a cutting member having a rotation axis extending along a vertical direction of the end face of the sheet member and a cutting blade projecting to a side of the end face of the sheet member around the rotation axis. The cutting member is moved relatively to the sheet member along a longitudinal direction of the end face to be cut. The part separated from a virtual line parallel to the sheet face and passing the rotation center in a cutting region formed by the rotating cutting blade is made to contact the end face of the sheet member.

Abstract: A semiconductor device is proposed in which signal delay due to compensation capacitance elements in peripheral circuit element regions is eliminated. The semiconductor device includes: a first region including memory cells; a second region 10 including a functional circuit; cell capacitors formed in the first region; and compensation capacitance elements 36 to 38 formed in the second region 10, wherein the compensation capacitance elements 36 to 38 each include a lower electrode 36, a capacitance insulating film 37, and an upper electrode 38, the lower electrode 36, capacitance insulating film 37, and upper electrode 38 being the same as those of the cell capacitors, and wherein the compensation capacitance elements are formed over an upper layer of the second region 10 excluding upper layer portions of drain diffusion layers 44, 46 or gate electrodes 32 of transistors in the functional circuit.

Abstract: An end face of a sheet member is cut while rotating a cutting member having a rotation axis extending along a vertical direction of the end face of the sheet member and a cutting blade projecting to a side of the end face of the sheet member around the rotation axis. The cutting member is moved relatively to the sheet member along a longitudinal direction of the end face to be cut. The part separated from a virtual line parallel to the sheet face and passing the rotation center in a cutting region formed by the rotating cutting blade is made to contact the end face of the sheet member.

Abstract: An iodine polarizing film of the invention includes a polymer film and iodine adsorbed and oriented on the polymer film, wherein a iodine content of the polarizing film is within the range of 1.9 to 3% by weight per 2.85 mm3, a single transmittance of the polarizing film is within the range of 43 to 45%, and a ratio (A2/A1) of a crossed absorbance A2 at a wavelength of 610 nm to a crossed absorbance A1 at a wavelength of 480 nm is 1.16 or less.

Abstract: A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer and a method for manufacturing the pressure-sensitive adhesive and retardation layer attached polarizing plate (4).

Abstract: This invention provides a method for manufacturing a combination-type optical film comprising a plurality of optical films each having at least one end face at which the optical films are opposed to one another, comprising the steps of: (1) opposing the end faces of the optical films to one another with a gap provided therebetween; (2) entirely holding the opposed portions of the optical films with a holding member placed on at least one side; (3) connecting an organic solvent- or adhesive-containing vessel to one side of the gap between the opposed portions of the optical films to charge the organic solvent or the adhesive into the gap with the aid of a negative pressure state; and (4) removing the organic solvent or the adhesive under reduced pressure to bond the opposed end faces to one another.

Abstract: The present invention provides a method for manufacturing a polarizing film, by which, even when a wide raw film is used, it is possible to obtain a polarizing film that achieves excellent optical characteristics as well as uniformity in in-plane optical characteristics. The method includes the steps of dyeing a polymer film; stretching the dyed film; and drying the film that has undergone the dyeing and stretching steps while conveying the film with rolls. In the drying step, at least two rolls are used as the rolls and the film is dried under a condition that a ratio (R/W) of a distance (R) between the adjacent rolls to an initial width (W) of the polymer film is not less than 0.5 and not more than 4.0.

Abstract: A nonvolatile semiconductor memory device includes a first columnar protrusion and a second columnar protrusion formed to be spaced out on a surface of a semiconductor substrate, and the first and the second columnar protrusions each include a split gate nonvolatile memory cell in which a first source/drain region and a second source/drain region are formed at a surrounding part and an extremity, and in which a first layered structure, in which a charge accumulating film and a memory gate line are layered, and a second layered structure, in which a gate oxide film and a control gate line are layered, are formed on a surface of a sidewall between the surrounding part and the extremity. The first layered structure is also formed between the first and second columnar protrusions, whereby the memory gate line of the first columnar protrusion and the second columnar protrusion is connected each other.

Abstract: A method for producing a polarizing film, including: a dyeing step and a stretching step, a plurality of films being dipped into at least one processing liquid without contacting each other.

Abstract: A polarizing film is provided that prevents display unevenness and can form a liquid crystal display and an electroluminescence display that exhibit excellent display characteristics. The polarizing film is produced in the following manner. That is, a hydrophilic polymer film is conveyed by means of a guide roll so as to be impregnated in an aqueous solvent in a swelling bath and is allowed to swell. In this swelling step, at least a first guide roll is arranged in the swelling bath, and when the polymer film is impregnated in and allowed to travel in the aqueous solvent, the polymer film is brought into contact with the first guide roll within a time up to when swelling reaches a saturation state. Further, the polymer film is dyed using a dichroic substance and stretched.