Abstract: A fixing apparatus having a first rotation member, an elongated heater having a heat generating member and a substrate on which the heat generating member is provided and being disposed in an internal space of the first rotation member, a heater holder that holds the heater, a stay that supports the heater holder, a sliding sheet being disposed between the heater and the first rotation member and sliding on an inner circumferential surface of the first rotation member, and a second rotation member forming a nip portion with the heater through the first rotation member, and, in the nip portion, a toner image formed on a recording material being heated and fixed, in which, when a longitudinal direction of a surface of the substrate on which the heat generating member is provided, a transverse direction that is orthogonal to the longitudinal direction.

Abstract: A sheet feeding device includes a driving roller, a driven roller rotated by the rotation of the driving roller, a non-conductive feeding guide, a conductive frame, a conductive bearing and an urging member to urge the driven roller toward the driving roller. The feeding guide includes a supporting portion to displaceably support the rotation shaft in an urging direction. The frame includes a positioning portion to position the driven roller in the urging direction by contact with the rotation shaft in a state in which the driving roller is urged by the driven roller.

Abstract: A one-way clutch includes a first rotator including an inner gear and configured to rotate on a first axis, a planetary gear configured to mesh with the inner gear and configured to rotate on a second axis that revolves around the first axis, a second rotator configured to rotate on the first axis and including a stopper configured to stop rotation of the planetary gear by engaging with the planetary gear, and an urging member configured to urge the planetary gear not to be brought in contact with the stopper in a state where the first rotator and the second rotator relatively rotate.

Abstract: A sheet conveyance device includes a rotary shaft, a conveyance roller, a driving source, and a gear. The gear rotates integrally with the rotary shaft and transmits a driving force from the driving source to the conveyance roller. The gear includes a tooth portion engaging with another gear, a wall surface forming a hole into which the rotary shaft is inserted, a deformable portion, and a pressing part. The deformable portion has a cantilever shape at least partially provided in an area provided with the tooth portion in a gear rotation axis direction. The pressing part protrudes from the wall surface toward the rotation center of the gear, and is elastically deformed by being pressed by the rotary shaft. The pressing part presses the rotary shaft toward the wall surface on a side opposite to the deformable portion in a state where the gear is attached to the rotary shaft.

Abstract: A sheet feeding device includes a driving roller, a driven roller rotated by the rotation of the driving roller, a non-conductive feeding guide, a conductive frame, a conductive bearing and an urging member to urge the driven roller toward the driving roller. The feeding guide includes a supporting portion to displaceably support the rotation shaft in an urging direction. The frame includes a positioning portion to position the driven roller in the urging direction by contact with the rotation shaft in a state in which the driving roller is urged by the driven roller.

Abstract: A mask manufacturing method includes stacking a first antireflection layer on a first stacked body at a first film thickness so as to create a first transmissive type mask. In the first stacked body, a first semitransmissive layer, a first reflective layer, and a first transmissive substrate are stacked. The mask manufacturing method includes stacking a second antireflection layer on a second stacked body at a second film thickness so as to create a second transmissive type mask. In the second stacked body, a second semitransmissive layer, a second reflective layer, and a second transmissive substrate are stacked. The second film thickness is determined in accordance with a thermal expansion amount of the first mask.

Abstract: [Problem] Even when the operator to which the user to be referred belongs is unknown, message information can be referred by making an inquiry to a message board service of one operator.

Abstract: An image forming apparatus includes a fixing portion, a first guiding portion, a second guiding portion, a first rotatable member pair provided between the first and second guiding portions, an air discharging portion for discharging air from a feeding passage of the first guiding portion to an outside of a main assembly of the image forming apparatus, and a second rotatable member pair provided downstream of the second guiding portion.

Abstract: Disclosed is an image forming apparatus, including: a first guide guiding one surface of a sheet downstream of a fixing unit fixing a toner image on the sheet and upstream of discharging rollers discharging the sheet to a stacking portion in a sheet conveying direction; a second guide facing the first guide, the second guide guiding the other surface of the sheet; protrusions with openings provided on the second guide in a sheet width direction orthogonal to the sheet conveying direction; recesses provided on the first guide in the sheet width direction, the recesses facing the protrusions; and a blower unit blowing air toward the sheet via the openings provided on the second guide, wherein a corrugated shape is formed in the width direction on the sheet to which air is blown by the protrusions provided on the second guide and the recesses provided on the first guide.

Abstract: An image forming apparatus includes a fixing portion, a first guiding portion, a second guiding portion, a first rotatable member pair provided between the first and second guiding portions, an air discharging portion for discharging air from a feeding passage of the first guiding portion to an outside of a main assembly of the image forming apparatus, and a second rotatable member pair provided downstream of the second guiding portion.

Abstract: Disclosed is an image forming apparatus, including: a first guide guiding one surface of a sheet downstream of a fixing unit fixing a toner image on the sheet and upstream of discharging rollers discharging the sheet to a stacking portion in a sheet conveying direction; a second guide facing the first guide, the second guide guiding the other surface of the sheet; protrusions with openings provided on the second guide in a sheet width direction orthogonal to the sheet conveying direction; recesses provided on the first guide in the sheet width direction, the recesses facing the protrusions; and a blower unit blowing air toward the sheet via the openings provided on the second guide, wherein a corrugated shape is formed in the width direction on the sheet to which air is blown by the protrusions provided on the second guide and the recesses provided on the first guide.

Abstract: Provided are a cleaner composition that can exhibit excellent cleaning ability by including a predetermined amount of water, and can also effectively suppress metal corrosion; and a cleaning method thereof. Disclosed is a cleaner composition in a white turbid state including first to fourth organic solvents and water, in which the first organic solvent is a hydrophobic aromatic compound or the like; the second organic solvent is a hydrophobic monoalcohol compound; the third organic solvent is a predetermined hydrophilic nitrogen-containing compound or the like; the fourth organic solvent is a hydrophilic amine compound; the amount of incorporation of water is adjusted to a value within the range of 50 to 3,900 pbw with respect to 100 pbw of the total amount of the organic solvents, and when the cleaner composition is subjected to phase separation, the water concentration in the oil phase is adjusted to a value of 5 wt. % or less.

Abstract: A one-way clutch includes a first rotator including an inner gear and configured to rotate on a first axis, a planetary gear configured to mesh with the inner gear and configured to rotate on a second axis that revolves around the first axis, a second rotator configured to rotate on the first axis and including a stopper configured to stop rotation of the planetary gear by engaging with the planetary gear, and an urging member configured to urge the planetary gear not to be brought in contact with the stopper in a state where the first rotator and the second rotator relatively rotate.

Abstract: A mask manufacturing method includes stacking a first antireflection layer on a first stacked body at a first film thickness so as to create a first transmissive type mask. In the first stacked body, a first semitransmissive layer, a first reflective layer, and a first transmissive substrate are stacked. The mask manufacturing method includes stacking a second antireflection layer on a second stacked body at a second film thickness so as to create a second transmissive type mask. In the second stacked body, a second semitransmissive layer, a second reflective layer, and a second transmissive substrate are stacked. The second film thickness is determined in accordance with a thermal expansion amount of the first mask.

Abstract: Provided are a cleaner composition that can exhibit excellent cleaning ability by including a predetermined amount of water, and can also effectively suppress metal corrosion; and a cleaning method thereof. Disclosed is a cleaner composition in a white turbid state including first to fourth organic solvents and water, in which the first organic solvent is a hydrophobic aromatic compound or the like; the second organic solvent is a hydrophobic monoalcohol compound; the third organic solvent is a predetermined hydrophilic nitrogen-containing compound or the like; the fourth organic solvent is a hydrophilic amine compound; the amount of incorporation of water is adjusted to a value within the range of 50 to 3,900 pbw with respect to 100 pbw of the total amount of the organic solvents, and when the cleaner composition is subjected to phase separation, the water concentration in the oil phase is adjusted to a value of 5 wt. % or less.

Abstract: A light-emitting device includes a semiconductor light-emitting element, for example, a light emitting diode. A first metal member includes a first metal plate and a first metal layer between the semiconductor light-emitting element and a first surface of the first metal plate. An insulating layer contacts a second surface of the first metal plate. The second surface is in a second plane that intersects a first plane of the first surface.

Abstract: An image forming apparatus suppresses the occurrence of dew condensation in a post-processing operation when the sheet is jammed. When information indicating that a sheet is jammed is received, if the sheet detecting sensor detects the sheet on a switching member, a controller executes a conveying action to drive the sheet conveying portion until an upstream edge of the sheet in the sheet conveyance direction passes through the switching member and then stops the sheet conveying portion.

Abstract: A light-emitting device includes a semiconductor light-emitting element, for example, a light emitting diode. A first metal member includes a first metal plate and a first metal layer between the semiconductor light-emitting element and a first surface of the first metal plate. An insulating layer contacts a second surface of the first metal plate. The second surface is in a second plane that intersects a first plane of the first surface.

Abstract: Provided is a liquid concentrate for cleaning composition which could exhibit excellent environmental safety etc. by adding afterward a predetermined amount of water, and also has excellent regeneration efficiency, and provided are a cleaning composition and a cleaning method thereof. Disclosed is a liquid concentrate for cleaning composition which is used as a mixture with water and is intended for cleaning an object to be cleaned in a clouded state, with a predetermined amount of water having been added thereto, the liquid concentrate for cleaning composition including, a first organic solvent which is a predetermined hydrophobic glycol ether compound or the like, and a second organic solvent which is a predetermined hydrophilic amine compound.

Abstract: The present invention provides an image forming apparatus which suppresses the occurrence of the dew condensation in the post-processing operation when the sheet is jammed and prevents additional sheet jam. When information indicating that a sheet is jammed is received, if the sheet detecting sensor detects the sheet on a switching member, a controller drives rollers until an upstream edge of the sheet in the sheet conveyance direction passes through the switching member.