Abstract: To provide a light source unit which can be formed compact in size while contributing to enhancement in luminance and a projector including this light source unit, there is provided a light source unit including a first light source which emits light in a range of first wavelengths, and a second light source which emits light in a range of second wavelengths which is different from the range of first wavelengths, wherein the first light source and the second light source each include a long wavelength light emitting portion and a short wavelength light emitting portion, the long wavelength light emitting portion emitting, of lights of different wavelengths which exist in a range of light wavelengths producing light of similar colors, light of a long wavelength, the short wavelength light emitting portion emitting light of a short wavelength.

Abstract: An optical engine of a projector can include a light source device configured to emit light beam, an engine body and a dust cover. The engine body is located at a side of the light source device and is configured to receive the light beam from the light source device. The engine body can include a main body and a color wheel coupled to the main body. The dust cover is coupled to the engine body and covers the color wheel. A projector is also provided.

Abstract: A wavelength conversion device adapted to convert a wavelength of an exciting light beam is provided. The wavelength conversion device includes a main body, a middle connection layer and a wavelength conversion adhesive layer. The main body has a reflective surface, wherein the reflective surface has a first region and a second region, and the second region is located at a transmission path of the exciting light beam. The middle connection layer is disposed on the first region and exposes the second region. The wavelength conversion adhesive layer is adhered on the middle connection layer and covers the second region, wherein the exciting light beam is adapted to pass the wavelength conversion layer to be reflected by the second region. In addition, a projector having a wavelength conversion device is also provided.

Abstract: A board 2 for a projector includes a movable arm 5 for moving a projector 1 to a use position in front of a projection board 3 and to a storage position above the projection board and a cam mechanism 6 for elevating the movable arm 5 while swinging it. By means of the elevation of the movable arm 5 by the cam mechanism 6, when the projector is positioned at the storage position, a body portion of the projector is positioned above an upper edge portion of the projection board, while when the projector is positioned at the use position, the body portion is positioned below the upper edge portion of the projection board. Even a projector with a short focal distance, this can be moved to the storage position and to the use position.

Abstract: This disclosure relates to the field of projection display technologies, and discloses a projection system and a projection screen supporting device, the projection system including a projection screen and a projection device, and further a projection screen supporting device, the projection screen being installed on a bracket body of the projection screen supporting device, where the projection screen supporting device includes the bracket body, a supporting assembly, and a projection screen hanging assembly; the bracket body includes a first standing pole and a second standing pole, both of which are arranged substantially parallel to each other; the supporting assembly is fixed on the bracket body to support the bracket body; and the projection screen hanging assembly is arranged on the bracket body, at an adjustable position in the direction in which the first standing pole and the second standing pole extend, to hang a projection screen on the bracket body.

Abstract: Provided is a film for a transparent screen which can clearly display merchandise information, advertisement, or the like on a transparent partition or the like by projection without compromising the transmission visibility. A film for a transparent screen according to the present invention includes: a resin layer; and inorganic particles at least a portion of which is contained in an aggregated state in the resin layer, wherein primary particles of the inorganic particles have a median diameter of 0.1 to 50 nm and a maximum particle size of 10 to 500 nm, and the content of the inorganic particles is 0.015 to 1.2% by mass with respect to the resin.

Abstract: A halftone phase shift photomask blank is provided comprising a transparent substrate and a halftone phase shift film thereon having a phase shift of 150-200° and a transmittance of 9-40%. The halftone phase shift film consists of a transition metal, Si, O and N, has an average transition metal content of at least 3 at %, and is composed of a plurality of layers including a stress relaxation layer having an oxygen content of at least 3 at % and a phase shift adjusting layer having a higher oxygen content of at least 5 at %.

Abstract: Disclosed is a method. The method includes placing a photomask on a receiver of a cleaning apparatus, removing adhesive residue from the photomask by irradiating laser on the adhesive residue, attaching a pellicle to the photomask, and exposing a semiconductor substrate to a light using the photomask, wherein the irradiating laser repeatedly pauses and restarts during the removing of the adhesive residue.

Abstract: A method of manufacturing a color conversion substrate includes preparing a substrate including a first pixel region, a second pixel region, and a third pixel region, forming a first color conversion portion corresponding to the first pixel region, forming a second color conversion portion corresponding to the second pixel region, and forming a third color conversion portion corresponding to the third pixel region. The providing the first color conversion portion includes providing a first color filter of a first color corresponding to the first pixel region, providing a first transparent pattern corresponding to the first pixel region, and providing a first pattern layer corresponding to the first pixel region and including a first material which converts light incident thereto into light of the first color, where the first transparent pattern is provided between the first color filter and the first pattern layer.

Abstract: A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.

Abstract: A thinner composition includes propyleneglycol alkylether acetate, cycloketone, and methyl 2-hydroxy isobutyrate. The thinner composition has excellent EBR, RRC, and rework properties, as well as effects of improving photoresist application uniformity, and in particular, exhibiting excellent solubility to photoresist having a high polarity, so as to be applicable to various photoresists.

Abstract: A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand with a hydrophobic moiety bound to a surface of the quantum dot; a binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein the binder includes a multiple aromatic ring-containing polymer including a main chain including a carboxylic acid group and a backbone structure incorporated in the main chain, wherein the backbone structure includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, and wherein the plurality of quantum dots are dispersed in the binder.

Abstract: A polymer compound including a unit structure represented by the following general formula (1): wherein m1 equals 1 to 8, n1 equals 0 to 7, m1+n1 equals 4 to 8, m2 equals 1 to 8, n2 equals 0 to 7, m2+n2 equals 4 to 8, m1 equals m2, y represents 0 to 2, R1 represents a hydroxy group, a substituted or unsubstituted straight, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, or a halogen atom, R3 represents a hydrogen atom, a substituted or unsubstituted straight, branched or cyclic alkyl group, or a substituted or unsubstituted aryl group, each R2 independently represents any structure represented by general formula (2) in the specification, at least one R2 has an acid-dissociable site, and R5 represents a hydroxy group or —O—R2—O—*.

Abstract: A radiation-sensitive or actinic ray-sensitive resin composition contains a polymer compound (A) including a structural part (a) that is decomposed by irradiation with actinic rays or radiation to generate an acid anion on a side chain and a repeating unit (b) that is represented by the following Formula (I), in the formula, R3 represents a hydrogen atom, an organic group, or a halogen atom, A1 represents an aromatic ring group or an alicyclic group. R1 and R2 each independently represent an alkyl group, a cycloalkyl group, or an aryl group, at least two of A1, R1, or R2 may be bonded to each other to form a ring. B1 and L1 each independently represent a single bond or a divalent linking group, X represents a hydrogen atom or an organic group, n represents an integer of 1 or greater.

Abstract: Organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise that comprise a crosslinker component that comprises a structure of the following Formula (I):

Abstract: A resist pattern-forming method comprises applying a chemically amplified radiation-sensitive resin composition on a substrate to form a resist film. The chemically amplified radiation-sensitive resin composition comprises a first component solubility in a developer solution of which is capable of being altered by an action of an acid, a second component that is capable of generating an acid by an action of a first exposure light comprising a radioactive ray having a first wavelength, and a sensitizer precursor to be converted into a sensitizer by an action of the first exposure light. A first exposure of the resist film to the first exposure light is conducted. A second exposure of the resist film exposed to the first exposure light, to a second exposure light is conducted. The second exposure light comprises a radioactive ray having a second wavelength longer than the first wavelength.

Abstract: A method for lithography patterning includes forming a material layer over a substrate; exposing a portion of the material layer to a radiation; and removing the exposed portion of the material layer in a developer, resulting in a patterned material layer. The developer comprises an organic solvent and a basic solute, wherein the organic solvent is more than 50% of the developer by weight. In an embodiment, the developer further comprises water that is less than 50% of the developer by weight.

Abstract: A method of forming a resist pattern including forming a resist film on a support using a resist composition; subjecting the resist film to exposure; and forming a resist pattern by developing the resist film having undergone the exposure, in which the developing is performed using a developer which contains a basic compound represented by the following formula (1) and tetrabutylammonium hydroxide, and in which the concentration of tetrabutylammonium hydroxide is equal to or greater than 2.5% by mass and less than 2.8% by mass: in which R1 to R4 each independently represent a linear or branched alkyl group, and the total number of carbon atoms contained in each of the alkyl groups represented by R1 to R4 is 4 to 15.

Abstract: A pattern forming method includes a pattern forming method using an actinic ray-sensitive or radiation-sensitive resin composition in which ?Dth represented by the following Formula (1) satisfies 0.8 or more (in the formula, Dth(PTI) represents the threshold deprotection rate of the acid-decomposable group with respect to the film thickness of the actinic ray-sensitive or radiation-sensitive film after development using the alkali developer, and Dth(NTI) represents the threshold deprotection rate of the acid-decomposable group with respect to the film thickness of the actinic ray-sensitive or radiation-sensitive film after development using the developer including an organic solvent).

Abstract: A processing fluid can be discharged according to a discharge type for a process involved, without a discharge defect. A substrate processing apparatus includes a nozzle and a pipeline. The nozzle is configured to discharge the processing fluid toward a substrate, and the processing fluid is supplied to the nozzle through the pipeline. The pipeline has a three-layer structure having a first layer, a second layer and a third layer in this sequence from an inner side thereof. Further, a leading end portion of the first layer and a leading end portion of the third layer are bonded to the nozzle, and the leading end portion of the first layer is located at a position which is not protruded more than a leading end portion of the second layer with respect to a discharging direction of the processing fluid.

Abstract: A beam modifier device is provided that includes scattering portions in which particles vertically impinging on an exposure surface of the beam modifier device are deflected from a vertical direction. A total permeability for the particles changes along a lateral direction parallel to the exposure surface.

Abstract: An extreme ultraviolet generation device, including a chamber with an internal space; a plasma generator to generate plasma in the internal space; a condenser in the internal space to gather light generated from the plasma; and a monitor to monitor the internal space in an omnidirectional manner.

Abstract: A substrate has first and second target structures formed thereon by a lithographic process. Each target structure has two-dimensional periodic structure formed in a single material layer on a substrate using first and second lithographic steps, wherein, in the first target structure, features defined in the second lithographic step are displaced relative to features defined in the first lithographic step by a first bias amount that is close to one half of a spatial period of the features formed in the first lithographic step, and, in the second target structure, features defined in the second lithographic step are displaced relative to features defined in the first lithographic step by a second bias amount close to one half of said spatial period and different to the first bias amount.

Abstract: A distortion detection method includes obtaining a positional deviation amount expression formula that expresses positional deviation amounts in two directions at each position on a substrate held by a chuck, based on information about a warping shape of the substrate in a state where the substrate is not yet held by the chuck, calculating positional deviation amounts in two directions at a plurality of positions on the substrate based on the obtained positional deviation amount expression formula, and obtaining a plurality of types of distortion components relating to a shot region of the substrate based on the positional deviation amounts in two directions obtained at the plurality of positions.

Abstract: Metrology target design methods and verification targets are provided. Methods include using OCD data related to designed metrology target(s) as an estimation of a discrepancy between a target model and a corresponding actual target on a wafer, and adjusting a metrology target design model to compensate for the estimated discrepancy. The dedicated verification targets may include overlay target features and be size optimized to be measureable by an OCD sensor, to enable compensation for inaccuracies resulting from production process variation. Methods also include modifications to workflows between manufacturers and metrology vendors which provide enable higher fidelity metrology target design models and ultimately higher accuracy of metrology measurements.

Abstract: An exposure apparatus that exposes a substrate by exposure light via liquid between an optical member and the substrate includes: a liquid immersion member that forms an immersion liquid space on an object and comprises first and second members, the first member disposed at at least a portion of surrounding of the optical member, the second member disposed at at least a portion of surrounding of an optical path of the exposure light below of the first member, being movable with respect to the first member and comprising a second upper surface and a second lower surface, the second upper surface being opposite to a first lower surface of the first member via a gap, the second lower surface being capable of being opposite to the object, the object being movable below the optical member; and a vibration isolator that suppresses vibration of the first member.

Abstract: A position detecting apparatus that detects a position of an object by detecting a mark on the object includes a light receiving element, a control unit, a light source, and an adjusting unit. The light receiving element receives light from the mark and accumulates the light as signals. The control unit detects a position of the mark based on the light from the mark. The light source illuminates the mark. The adjusting unit adjusts an amount of light applied to the mark. The control unit determines the amount of the light from the mark based on the accumulated signals in parallel with a term during which the accumulated signals are transferred to the control unit. The control unit adjusts the amount of light applied to the mark based on the amount of the light from the mark or detects the position of the mark based on the light from the mark.

Abstract: A method and apparatus for treating a substrate and, in particular, making secondary adjustments to the results of a primary process applied to the substrate, leading to improved uniformity of the overall process, in which a substrate is positioned on a substrate holder; a scanning a beam of light is directed onto the surface of the substrate; and the amplitude of the scanned beam is varied by location based on a substrate signature.

Abstract: A lithography system includes a load lock chamber comprising an opening configured to receive a mask, an exposure module configured to expose a semiconductor wafer to a light source through use of the mask, and a cleaning module embedded inside the lithography tool, the cleaning module being configured to clean carbon particles from the mask.

Abstract: A multi-layer electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer. The charge generating layer contains a charge generating material. The charge transport layer contains a hole transport material and a binder resin. The charge generating material contains a titanyl phthalocyanine that exhibits a main peak at a Bragg angle (2?±0.2°) of 27.2° in a CuK? characteristic X-ray diffraction spectrum. The hole transport material contains a triarylamine derivative represented by generic formula (1). The hole transport material has a mass ratio of at least 0.30 and no greater than 0.55 relative to the binder resin in the charge transport layer. In general formula (1), R1, R2, l, and m are the same as those defined in the specification.

Abstract: Provided is an electrophotographic member which hardly undergoes deformation even when subjected to a load over a long period of time under a high-temperature and high-humidity environment and thus can stably form a high-quality electrophotographic image. The electrophotographic member includes: an electroconductive substrate; and an electroconductive resin layer on the substrate, in which the resin layer contains a cation having a specific structure and a specific anion.

Abstract: It is intended to provide an image forming method, a process cartridge and an electrophotographic apparatus which have favorable cleaning properties and can suppress reduction in image quality caused by the contamination of a charging member. A surface layer of an electrophotographic photosensitive member satisfies the condition (i) or (ii), and toner contains a resin having an isosorbide unit: (i) containing a fluorine resin particle and at lease one resin selected from the group consisting of a polyarylate resin and a polycarbonate resin, and (ii) containing at least one resin selected from the group consisting of a polyarylate resin and a polycarbonate resin each having a polysiloxane structure.

Abstract: An electrostatic charge image developing toner includes a toner particle which has a sea portion containing a binder resin and an island portion containing a release agent, wherein a melt viscosity at 100° C. of the toner is from 4,000 to 200,000 Pa·s, a flow activation energy of the toner is 18,000 to 80,000 J·mol?1, a maximum frequent value in distribution of eccentricity B of the island portion is from 0.75 to 0.98, a skewness in the distribution of the eccentricity B is from ?1.10 to ?0.50, and the eccentricity B is expressed by 2d/D, wherein D indicates an equivalent circle diameter (?m) of the toner in an observation of a cross-section of the toner, and d indicates a distance (?m) from a centroid of the toner to a centroid of the island portion containing the release agent in the observation of a cross-section of the toner.

Abstract: A magnetic carrier comprising:a magnetic material-dispersed resin carrier core material; and a resin coating layer on the surface of the magnetic material-dispersed resin carrier core material, wherein the magnetic material-dispersed resin carrier core material contains a core material particle containing a magnetic material and a binder resin, and a primer compound having an amino group, the resin coating layer contains a coating resin A, which is a polymer of monomers including at least a (meth)acrylic acid ester having an alicyclic hydrocarbon group, and the content of the primer compound in the magnetic material-dispersed resin carrier core material and the content of the resin coating layer are in specific range.

Abstract: Provided is a toner, including a toner particle containing: a binder resin containing a styrene acrylic resin as a main component, a colorant, a hydrocarbon wax, and a wax dispersant, in which: the wax dispersant includes a polymer of a vinyl resin component and a hydrocarbon compound, the vinyl resin component including styrene and one or more kinds of vinyl-based polymerizable monomers except a styrene derivative; and a solubility parameter of the binder resin (A) a solubility parameter of the vinyl resin segment of the wax dispersant (C), and a solubility parameter of the hydrocarbon compound segment of the wax dispersant (D) satisfy the formulae (1) and (2). |A?C|?10.20 ??(1) C?D<1.

Abstract: An electrostatic charge image developer includes an electrostatic charge image developing toner including toner particles and an external additive, and a carrier, wherein the toner particle contains a polyester resin and a styrene (meth)acrylic resin and includes domains of the styrene (meth)acrylic resin having an average diameter of 300 nm to 800 nm, and the carrier includes a magnetic particle dispersed core particle and a (meth)acrylic resin which contains a nitrogen atom on the surface of the core particle.

Abstract: In a toner containing a binder resin, a pigment, a pigment dispersant, and a fixing assistant, the pigment dispersant has a structure represented by formula (1) or a tautomer thereof and a polymer moiety, the binder resin and the fixing assistant satisfy formula (2), and a hydrophobic parameter HP1 of the pigment dispersant and a hydrophobic parameter HP2 of the fixing assistant satisfy formula (3).

Abstract: An image forming apparatus includes an image process part that creates image data including pixel values of a process color image and pixel values of white which becomes a base of the process color image based on image forming data, and an image forming process part that forms the image on a medium using a process color developer and a white developer based on the image data. Wherein, the image process part that determines a black portion in which a combination of the pixel values of the process color image is regarded as black and a non-black portion in which the combination of the pixel values of the process color image is regarded as a color other than black, and identifies the pixel values of white for the base of the process color image in the image data such that an usage amount of the white developer for the black portion is less than that for the non-black portion.

Abstract: In a toner containing a resin, a pigment, and a pigment dispersant, the resin contains a polar resin having an acid value of 2.0 to 30.0 mgKOH/g, and the pigment dispersant has the structure represented by the following formula (1) and a polymer moiety bonded thereto.

Abstract: A roller for an image forming apparatus is provided. The roller includes a shaft rotatable on the basis of one axis, an elastic layer covering an outer circumference of the shaft, and a coating layer formed on the elastic layer. The coating layer is a material in which a mixture containing acryl polyol and ?-caprolactone polyol is cross-linked by isocyanate.

Abstract: An image forming apparatus includes: a power source applying voltage to a charging roller to charge a photosensitive drum; a toner-image forming unit forming a toner image on the photosensitive drum; a detecting member which detects a DC current to be flowed from the charging roller to the photosensitive drum; a driving source driving the photosensitive drum at a predetermined speed; and an execution unit executing a detection mode to detect the DC current with the detecting member when the voltage is applied in a state in which the photosensitive drum is rotated, in a period except a period during which the toner image is formed on the photosensitive drum, the execution unit setting a speed of the driving source when the detection mode is executed at a second speed faster than a first speed that is fastest in the period during which the toner image is formed.

Abstract: A relationship between a light amount of an exposure portion and a surface potential according to a use amount, a first detection light amount corresponding to a prescribed surface potential in the relationship where a use amount of a photosensitive member is a first use amount and a second detection light amount corresponding to the prescribed surface potential in the relationship where the use amount of the photosensitive member is a second use amount, which is greater than the first use amount, are acquired. The exposure portion changes, as an electrostatic image forming light amount, a first image forming light amount representing a setting value under the first use amount to a second image forming light amount representing a setting value under the second use amount on the basis of a ratio of the first detection light amount to the second detection light amount.

Abstract: A flange portion of this semiconductor laser element is press-fitted, with a front face of the semiconductor laser element serving as the leading head, into an externally-contacting hole portion of a through-hole in a vertical wall portion. The externally-contacting hole portion contacts an outer peripheral surface of the flange portion. A collimator lens is mounted to a support body before or after the flange portion is press-fitted into the externally-contacting hole portion. The press-fitting of the flange portion into the externally-contacting hole portion is stopped at a position where an edge portion, of the flange portion, on the front face side of the semiconductor laser element rests within the externally-contacting hole portion. The collimator lens is mounted to the support body in a path of emitted light in front of the semiconductor laser element.

Abstract: To reduce a deviation in a scanning start position in the case where image formation is performed by an electrophotographic scheme in which a scanning speed of laser beam is not uniform on a photoconductor surface. An information processing apparatus includes a generation unit configured to generate a scanning speed profile, which is information about a scanning speed for each main scanning position in an image forming apparatus in which the scanning speed of laser beam is not uniform on a photoconductor surface; and a derivation unit configured to derive a scanning position adjustment amount specifying a distance from a reference position in a main scanning direction of the laser beam to a write start position of laser beam to the photoconductor surface based on the generated scanning speed profile in the main scanning direction.

Abstract: This light source unit includes a light source, a collimator lens, a support body, and an adhesive agent. The collimator lens is configured to collimate laser light emitted from the light source. In the support body, a first support portion configured to support the light source and a second support portion configured to support the collimator lens are integrally molded with each other by use of a synthetic resin. The adhesive agent is attached by a larger amount between the second support portion and a second face which is on an opposite side to a first face on the light source side of the collimator lens, than between the second support portion and the first face.

Abstract: An image formation unit includes: an image carrier that carries an electrostatic latent image; a developer carrier that carries a developer and develops the electrostatic latent image on the image carrier; and a developer regulation member that includes a contact portion which comes into contact with a surface of the developer carrier and that regulates a thickness of a developer layer to be formed on the surface of the developer carrier. A value of D/L is greater than or equal to 0.283%, where D is an amount of displacement of the contact portion of the developer regulation member caused by the contact of the contact portion with the surface of the developer carrier, and L is a dimension of the developer regulation member in a longitudinal direction thereof.

Abstract: A developing apparatus includes a developing container configured to accommodate a developer containing toner and carrier, a developing sleeve rotatably supported by the developing container and configured to carry the developer from the developing container, and a magnet provided in the developing sleeve and having a plurality of magnetic poles arranged in a circumferential direction. In addition, a regulating member is provided opposite to the developing sleeve with a predetermined gap therebetween and configured to regulate a layer thickness of the developer carried on the developing sleeve. The magnetic poles include a regulation pole disposed opposite to the regulating member.

Abstract: An image forming apparatus includes an image forming device which forms an image on a recording medium and an image scanning device which transmits scanned image data to the image forming device. The image forming device includes a receiver, a first image forming unit, a second image forming unit, and a controller. The receiver receives at least one of external image data transmitted from an external device and the scanned image data as input image data. The first image forming unit forms a developer image based on the input image data on the recording medium. The second image forming unit forms a mark image on the recording medium. The controller determines whether to make the second image forming unit form the mark image or not depending on a type of a transmission source of the input image data.

Abstract: In an image forming apparatus, a storage portion stores a target adhesion amount of toner to adhere to an image bearing member at each of gradation levels as a target gradation level and a setting value of a control parameter used for control on the image forming portion at the target gradation level. A first control processor makes an adhesion amount sensor measure an actual adhesion amount corresponding to the setting value and thereafter compares a resultant measured value and the target adhesion amount and corrects the setting value if needed in association with at least one of the target gradation levels as a subject. A second control processor makes the image forming portion output a calibration image used for correcting the target adhesion amount using a period when the first control processor performs processing if there arises a need to correct the target adhesion amount associated with the subject.

Abstract: In a toner case attachable to and detachable from a case storage portion of an image forming apparatus, a case main body is long in an attachment direction with respect to the case storage portion, and includes lower and upper housings defining lower and upper spaces among its inner space. Rims of upper-surface opening of the lower housing and lower-surface opening of the upper housing are joined together. A ceiling surface of the case storage portion is inclined diagonally upward from upper end of one side wall of the case storage portion toward the other opposite side wall in the width direction. The upper housing includes an inclined portion inclined corresponding to the inclined surface. When the case main body is attached to the case storage portion, the joint portion of the lower and upper housings has approximately the same height as the upper end of the side wall.