Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the winding portion at both axial ends of the winding portion, and a cutting level difference (R?c) of a roughness curve representing a difference between a cutting level at 25% loading length rate in the roughness curve and a cutting level at 75% loading length rate in the roughness curve of a surface of the winding portion is 0.2 ?m or more and 2 ?m or less.

Abstract: A core component is made of a sintered body of an inorganic powder, in which the core component includes a columnar winding portion and a flange portion integrally formed with the columnar winding portion at both axial ends of the winding portion, and a gap C, represented by the following Formula, between adjacent voids in the surface layer portion of the columnar winding portion, is 6 to 12 ?m. Formula: C=L?R where, L is the average value of the distance between the centers of gravity between adjacent voids, and R is the average value of equivalent circle diameters of the voids.

Abstract: The electrostatic protective device includes an insulator and a semiconductor layer. The semiconductor layer includes a device forming region and a device separating region. The device forming region includes a primary first conductive impurity diffused layer, a body region, a secondary first conductive impurity diffused layer, and a second conductive region that are arranged in order. The second conductive region includes a second conductive impurity diffused layer separated electrically from the body region. The device separating region includes a device separating layer that surrounds the device forming region. A gate electrode is further provided on the body region in the semiconductor layer with an insulating film interposed in between.

Abstract: A substrate treatment apparatus which can more efficiently regenerate phosphoric acid which is able to be returned to etching treatment along with such etching treatment as much as possible without using a large facility, that is, a substrate treatment apparatus which treats a silicon substrate W on which a nitride film is formed by a liquid etchant which contains phosphoric acid, which comprises an etching treatment unit (the spin treatment unit 30) which gives a suitable quantity of liquid etchant to each substrate which is fed one at a time so as to etch the substrate and remove the nitride film, a phosphoric acid regenerating unit (the spin treatment unit 30) which mixes liquid etchant used for treatment of one substrate and a suitable quantity of liquid hydrofluoric acid for the amount of the used liquid etchant under a predetermined temperature environment to regenerate the phosphoric acid, and a phosphoric acid recovery unit (the pump 38, phosphoric acid recovery tank 50, and pump 52) which returns the

Abstract: Disclosed is a sheet conveying apparatus. The sheet conveying apparatus includes a conveying roller pair (58) for conveying a sheet, a registration roller pair (57) disposed downstream of the conveying roller pair (58) and a guide portion for guiding the sheet conveyed to the registration roller pair (57) by the conveying roller pair (58) such that the sheet is deflected. Further, the guide portion guides the sheet such that a number of deflection nodes changes according to stiffness of the sheet.

Abstract: An image forming apparatus includes a main assembly, a first openable portion provided on a first side of the main assembly, a second openable portion provided on a second side of the main assembly, a single projector portion, a first projecting portion configured to project the image from above the first openable portion onto a projection object provided on the first side or onto the first openable portion when the first openable portion is open, and a second projecting portion configured to project the image from above the second openable portion onto a projection object provided on the second side or onto the second openable portion when the second openable portion is open.

Abstract: A purpose of the present invention is to provide a flux having an improved cleaning property by suppressing a carbonization of a flux residue. A flux contains an organic acid, a thixotropic agent, rosin and a solvent wherein a fatty acid monoalkylol amide having 14-20 carbon atoms is contained as the thixotropic agent. The fatty acid monoethanol amide is added in an amount of 3-10% by weight as the thixotropic agent. In addition, a dicarboxylic acid having 10 or less carbon atoms is added in an amount of 4-10% by weight as the organic acid. Moreover, the solvent is added in an amount of 30-60% by weight.

Abstract: A RDB system having a variable structure is to be provided. The RDB system for providing a RDB having a variable structure includes: the RDB; and a processor that performs processing on the RDB.

Abstract: An image forming apparatus and method for controlling an image forming apparatus is provided. The image forming apparatus includes a detecting unit, a projecting unit, and a control unit. The detecting unit is configured to detect an event that needs user work on the image forming apparatus. The projecting unit is configured to project an image onto a projection target. The control unit is configured to control projection by the projecting unit. When an event that needs user work on the image forming apparatus is detected, the projecting unit projects an image onto a projection target so that a target portion of the user work can be identified and also projects an instruction image for performing the user work.

Abstract: An image forming apparatus includes a main assembly including a feeding portion configured to feed a sheet and an image forming portion configured to form an image on the fed sheet, an openable cover provided on a side surface of the main assembly and openable for exposing a component part in the main assembly by opening a space above the component part with respect to a vertical direction, and a projecting portion provided above the openable cover with respect to the vertical direction and capable of projecting light toward the component part when the openable cover is opened.

Abstract: An image forming apparatus includes a main assembly, a first openable portion provided on a first side of the main assembly, a second openable portion provided on a second side of the main assembly, a single projector portion, a first projecting portion configured to project the image from above the first openable portion onto a projection object provided on the first side or onto the first openable portion when the first openable portion is open, and a second projecting portion configured to project the image from above the second openable portion onto a projection object provided on the second side or onto the second openable portion when the second openable portion is open.

Abstract: The electrostatic protective device includes an insulator and a semiconductor layer. The semiconductor layer includes a device forming region and a device separating region. The device forming region includes a primary first conductive impurity diffused layer, a body region, a secondary first conductive impurity diffused layer, and a second conductive region that are arranged in order. The second conductive region includes a second conductive impurity diffused layer separated electrically from the body region. The device separating region includes a device separating layer that surrounds the device forming region. A gate electrode is further provided on the body region in the semiconductor layer with an insulating film interposed in between.

Abstract: An image forming apparatus and method for controlling an image forming apparatus is provided. The image forming apparatus includes a detecting unit, a projecting unit, and a control unit. The detecting unit is configured to detect an event that needs user work on the image forming apparatus. The projecting unit is configured to project an image onto a projection target. The control unit is configured to control projection by the projecting unit. When an event that needs user work on the image forming apparatus is detected, the projecting unit projects an image onto a projection target so that a target portion of the user work can be identified and also projects an instruction image for performing the user work.

Abstract: A sheet skew feeding correction device has a controller that performs a first mode in which the leading end of the sheet conveyed by the first conveying portion abuts the sheet stopping portion in the first posture, and the sheet is nipped by the second conveying portion operating to convey the sheet while the sheet moves the sheet stopping portion toward the second posture against the urging force of the urging portion and performs a second mode in which the leading end of the sheet conveyed by the first conveying portion abuts the sheet stopping portion in the first posture, the sheet moves the sheet stopping portion against the urging force of the urging portion, and the leading end of the sheet abuts the nip portion of the stopped second sheet conveying portion so that a loop shape is formed in the sheet.

Abstract: A bubble removal method removes a bubble from liquid whose viscosity is reduced when shear occurs. A vessel whose volumetric capacity is variable is used. The interior of the vessel is depressurized and pressurized by increasing and decreasing the volumetric capacity of the vessel from a plurality of locations. As a result, the volume of the bubble is increased and decreased and the bubble is caused to move and be removed.

Abstract: A purpose of the present invention is to provide a flux having an improved cleaning property by suppressing a carbonization of a flux residue. A flux contains an organic acid, a thixotropic agent, rosin and a solvent wherein a fatty acid monoalkylol amide having 14-20 carbon atoms is contained as the thixotropic agent. The fatty acid monoethanol amide is added in an amount of 3-10% by weight as the thixotropic agent. In addition, a dicarboxylic acid having 10 or less carbon atoms is added in an amount of 4-10% by weight as the organic acid. Moreover, the solvent is added in an amount of 30-60% by weight.

Abstract: Provided is a sheet skew feeding correction device including: a controller that performs a first mode in which the leading end of the sheet conveyed by the first conveying portion abuts the sheet stopping portion in the first posture, and the sheet is nipped by the second conveying portion operating to convey the sheet while the sheet moves the sheet stopping portion toward the second posture against the urging force of the urging portion and a second mode in which the leading end of the sheet conveyed by the first conveying portion abuts the sheet stopping portion in the first posture, the sheet moves the sheet stopping portion against the urging force of the urging portion, and the leading end of the sheet abuts the nip portion of the stopped second sheet conveying portion so that the sheet is formed in a loop shape.

Abstract: In a constitution provided with no primary-transfer roller, in order to ensure a contact length between each of photosensitive drums and an intermediary transfer belt, the photosensitive drums are disposed with projecting amounts of a plurality of levels with respect to a stretching surface of the intermediary transfer belt, and therefore an apparatus is liable to be increased in a height direction. In order to avoid this, four image bearing members are arranged, along the intermediary transfer belt, with the same projection amount with respect to the stretching surface of the intermediary transfer belt, and a depressing member for depressing a belt surface between two central image bearing members toward an outside is provided.

Abstract: An image forming apparatus includes a fixing unit heating an image formed on a recording medium and disposed along a conveying path conveying the recording medium. The conveying path includes a first guide plate, discharge guide plate portions and second guide plate portion as conveyance guide plates guiding the recording medium. Partition walls and vertical walls are disposed at positions facing these guide plate portions. The air current guide portion guides air taken in from intake ports through an intake guide portion between the respective guide plate portions and each walls.

Abstract: An image forming apparatus includes: image bearing members; a belt unit including an endless belt; a slackness forming unit for performing a first function of forming a belt slacking region, at least at a portion where the belt opposes the image bearing members, by causing the slackness forming unit to act on the belt unit and for performing a second function of eliminating the belt slacking region; and a guiding unit for guiding the belt unit so that the slackness forming unit performs the first function in a state in which the belt is spaced from the image bearing members and so that the slackness forming unit performs the second function in a state in which the belt slacking region contacts the image bearing members.