Abstract: A sheet storage apparatus attached to an apparatus body in an attaching direction includes a sheet storage portion configured to store a sheet, a moving unit movably supported by the sheet storage portion in a moving direction parallel to the attaching direction, wherein the moving unit includes a regulation member and an extending member extending in the moving direction, the regulation member including a regulation surface regulating a position, in the moving direction, of the sheet stored in the sheet storage portion, and a first bonding surface extending along the moving direction, the extending member including a second bonding surface extending parallel to the first bonding surface, and wherein the first bonding surface and the second bonding surface are configured to be bonded to each other by adhesive.

Abstract: A sheet supporting apparatus includes a sheet supporting unit having a sheet supporting portion including a supporting surface on which a sheet is supported, and a first engagement unit attached to the sheet supporting portion, and a second engagement unit to draw in the sheet supporting unit toward an attaching position where the sheet supporting unit is attached to an apparatus body. The first engagement unit includes a first engagement portion, a base portion supported by the sheet supporting portion, and a holder that is supported movably in a perpendicular direction perpendicular to the supporting surface by the base portion and configured to hold the first engagement portion. The base portion supports the holder swingably around a swing shaft that extends in a direction orthogonal to both the perpendicular direction and an inserting direction in which the sheet supporting unit is inserted.

Abstract: A sheet feeding apparatus includes an apparatus body, a drawer portion including a first contact portion, a feeding portion, and a pivot member configured to pivot between a first position and a second position, the pivot member constituting a part of a conveyance path at the first position, wherein the pivot member does not overlap a moving path of the drawer portion in a case where the pivot member is located at the first position, and overlaps the moving path in a case where the pivot member is located at the second position. The pivot member includes a second contact portion that pivots the pivot member from the second position toward the first position while being in sliding contact with the first contact portion in a case where the pivot member is located at the second position and the drawer portion is being inserted into the apparatus body.

Abstract: A sheet storage apparatus attached to an apparatus body in an attaching direction includes a sheet storage portion configured to store a sheet, a moving unit movably supported by the sheet storage portion in a moving direction parallel to the attaching direction, wherein the moving unit includes a regulation member and an extending member extending in the moving direction, the regulation member including a regulation surface regulating a position, in the moving direction, of the sheet stored in the sheet storage portion, and a first bonding surface extending along the moving direction, the extending member including a second bonding surface extending parallel to the first bonding surface, and wherein the first bonding surface and the second bonding surface are configured to be bonded to each other by adhesive.

Abstract: A sheet feeding apparatus includes a sheet accommodating unit, a sheet feeding unit, a first lifting portion, a second lifting portion, and a linear member configured to liftably support the first lifting portion and the second lifting portion, and stretched between the first lifting portion and the second lifting portion on a lower side of the stacking surface. In addition, a first winding unit, a second winding unit, and an adjustment member adjust both a first distance of the linear member between the first winding unit and the first lifting portion and a second distance of the linear member between the second winding unit and the second lifting portion.

Abstract: A sheet feeding apparatus includes a sheet accommodating unit, a sheet feeding unit, a first lifting portion, a second lifting portion, a linear member configured to liftably support the first lifting portion and the second lifting portion, and stretched between the first lifting portion and the second lifting portion on a lower side of the stacking surface, a first winding unit, an second winding unit, and an adjustment member configured to adjust both a first distance of the linear member between the first winding unit and the first lifting portion and a second distance of the linear member between the second winding unit and the second lifting portion.

Abstract: A sheet feeding apparatus includes an apparatus body, a drawer portion including a first contact portion, a feeding portion, and a pivot member configured to pivot between a first position and a second position, the pivot member constituting a part of a conveyance path at the first position, wherein the pivot member does not overlap a moving path of the drawer portion in a case where the pivot member is located at the first position, and overlaps the moving path in a case where the pivot member is located at the second position, and the pivot member includes a second contact portion that pivots the pivot member from the second position toward the first position while being in sliding contact with the first contact portion in a case where the pivot member is located at the second position and the drawer portion is being inserted into the apparatus body.

Abstract: A sheet supporting apparatus includes an apparatus body, a sheet supporting unit comprising a sheet supporting portion including a supporting surface on which a sheet is supported, and a first engagement unit attached to the sheet supporting portion, and a second engagement unit provided on the apparatus body and configured to draw in the sheet supporting unit toward an attaching position where the sheet supporting unit is attached to the apparatus body, wherein the first engagement unit comprises a first engagement portion, and a holder that is supported movably in a perpendicular direction perpendicular to the supporting surface and configured to hold the first engagement portion, and the second engagement unit comprises a second engagement portion configured to engage with the first engagement portion, and a drawing-urging portion configured to urge the second engagement portion.

Abstract: A sheet feeding apparatus is provided with a disengaging mechanism configured to disengage a conveyance member and a separating member to be apart from each other. Either one of the conveyance member and the separating member is provided in a unit, which is attached to an apparatus body and is configured to be detached from the apparatus body toward a downstream side in the sheet conveyance direction, while the other provided in the apparatus body. A restriction portion is configured to restrict the unit from being attached to and detached from the apparatus body in a state where the conveyance member and the separating member are in contact with each other and to permit the unit to be attached to and detached from the apparatus body in a state where the conveyance member and the separating member are disengaged by the disengaging mechanism.

Abstract: A sheet supporting apparatus includes a body, a supporting portion configured to be held in an elevating manner by the body and to support a sheet, a sheet regulation portion regulating a position of the sheet supported on the supporting portion, a movement portion capable of moving between a first position where the sheet regulation portion regulates the position of the sheet supported on the supporting portion, and a second position where the supporting portion is regulated from elevating with respect to the body, and a movement regulation unit regulating the movement portion from moving to the second position.

Abstract: A sheet feeding apparatus is provided with a disengaging mechanism configured to disengage a conveyance member and a separating member to be apart from each other. Either one of the conveyance member and the separating member is provided in a unit, which is attached to an apparatus body and is configured to be detached from the apparatus body toward a downstream side in the sheet conveyance direction, while the other provided in the apparatus body. A restriction portion is configured to restrict the unit from being attached to and detached from the apparatus body in a state where the conveyance member and the separating member are in contact with each other and to permit the unit to be attached to and detached from the apparatus body in a state where the conveyance member and the separating member are disengaged by the disengaging mechanism.

Abstract: Provided is a method for manufacturing a silicon carbide single crystal capable of easily separating a silicon carbide single crystal from a pedestal. The method includes the step of fixing a seed substrate to a pedestal with a stress buffer layer being interposed therebetween, the step of growing a silicon carbide single crystal on the seed substrate, the step of separating the silicon carbide single crystal from the pedestal at the stress buffer layer, and the step of removing a residue of the stress buffer layer adhering to the silicon carbide single crystal subjected to the step of separating.

Abstract: A sheet storage apparatus includes a sheet storage portion and a regulating member configured to regulate positions of a sheet that is stored in the sheet storage portion. The regulating member includes a regulating portion configured to abut against the sheet. The regulating member is moved to a first regulating position on which the regulating portion regulates an end portion in a first direction of a first sheet having a first size. In addition, the regulating member is moved to a second regulating position on which the regulating portion regulates an end portion, in a second direction orthogonal to the first direction, of a second sheet having a second size different from the first size.

Abstract: The present invention provides a sheet feeding apparatus capable of feeding sheets at a proper position without a regulating member being bent even if a cassette unit is closed in a state in which a large volume of sheets are stacked. A large-volume feeding deck includes a non-reference-side regulating plate, an external casing plate, and positioning members, which are movable relative to the cassette unit.

Abstract: A sheet supporting apparatus includes a body, a supporting portion configured to be held in an elevating manner by the body and to support a sheet, a sheet regulation portion regulating a position of the sheet supported on the supporting portion, a movement portion capable of moving between a first position where the sheet regulation portion regulates the position of the sheet supported on the supporting portion, and a second position where the supporting portion is regulated from elevating with respect to the body, and a movement regulation unit regulating the movement portion from moving to the second position.

Abstract: A sheet supporting apparatus includes a body, a supporting portion configured to be held in an elevating manner by the body and to support a sheet, a sheet regulation portion regulating a position of the sheet supported on the supporting portion, a movement portion capable of moving between a first position where the sheet regulation portion regulates the position of the sheet supported on the supporting portion, and a second position where the supporting portion is regulated from elevating with respect to the body, and a movement regulation unit regulating the movement portion from moving to the second position.

Abstract: A method for producing a single crystal includes a step of placing a source material powder and a seed crystal within a crucible, and a step of growing a single crystal on the seed crystal. The crucible includes a peripheral wall part and a bottom part and a lid part that are connected to the peripheral wall part to close the openings of the peripheral wall part, the lid part having a holder that holds the seed crystal. The bottom part has a connection region connected to the peripheral wall part and a thick region that is thicker than the connection region and that surrounds a central axis passing through a center of gravity of orthogonal projection of the bottom part, the orthogonal projection being formed on a plane perpendicular to a growth direction of the single crystal, the central axis extending in the growth direction of the single crystal.

Abstract: A method for producing a single crystal includes a step of placing a source material powder and a seed crystal within a crucible; and a step of growing a single crystal on the seed crystal. The crucible includes a peripheral wall part and a bottom part and a lid part that are connected to the peripheral wall part to close the openings of the peripheral wall part. In the step of growing the single crystal on the seed crystal, the crucible is disposed on a spacer so as to form a space starting directly below an outer surface of the bottom part, and the peripheral wall part and an auxiliary heating member that is placed so as to face the outer surface of the bottom part with the space therebetween are heated by induction heating to sublime the source material powder to cause recrystallization on the seed crystal.

Abstract: The present invention provides a sheet feeding apparatus capable of feeding sheets at a proper position without a regulating member being bent even if a cassette unit is closed in a state in which a large volume of sheets are stacked. A large-volume feeding deck includes a non-reference-side regulating plate, an external casing plate, and positioning members, which are movable relative to the cassette unit.

Abstract: A method for manufacturing a silicon carbide substrate includes the following steps. There is prepared a silicon carbide single crystal substrate having a first main surface, a second main surface, and a first side end portion, the second main surface being opposite to the first main surface, the first side end portion connecting the first main surface and the second main surface to each other, the first main surface having a width with a maximum value of more than 100 mm. A silicon carbide epitaxial layer is formed in contact with the first side end portion, the first main surface, and a boundary between the first main surface and the first side end portion. The silicon carbide epitaxial layer formed in contact with the first side end portion and the boundary is removed.