Abstract: Various illustrative aspects are directed to a data storage device comprising one or more disks, an actuator arm assembly comprising a voice coil motor (VCM), the VCM configured to operate in a first mode and a second, different mode, wherein the first mode corresponds to at least a first and a second setting, and a control circuitry configured to cause the VCM to seek towards a target track in the first mode using the first setting for a first duration, control transition of the VCM from the first to the second setting in the first mode, cause the VCM to seek towards the target track using the second setting for a second duration, and control transition of the VCM from the first to a second mode, wherein controlling the transitioning comprises seeking the VCM toward the target track in the second mode for a third duration.

Abstract: Various illustrative aspects are directed to a data storage device comprising one or more disks, an actuator arm assembly comprising a voice coil motor (VCM), the VCM configured to operate in a first mode and a second, different mode, wherein the first mode corresponds to at least a first and a second setting, and a control circuitry configured to cause the VCM to seek towards a target track in the first mode using the first setting for a first duration, control transition of the VCM from the first to the second setting in the first mode, cause the VCM to seek towards the target track using the second setting for a second duration, and control transition of the VCM from the first to a second mode, wherein controlling the transitioning comprises seeking the VCM toward the target track in the second mode for a third duration.

Abstract: An automobile underbody structure includes: a plurality of first frame parts; a second frame part; and an impact absorbing member, wherein: the second frame part has a first wall portion and a second wall; the impact absorbing member includes a first beam portion, a second beam portion, and a corrugated plate portion; the corrugated plate portion includes a first diagonal portion, a second diagonal portion, a first top portion, and a second top portion; and the corrugated plate portion is provided in at least respective regions, in the second frame part, to which the two adjacent first frame parts are connected.

Abstract: A lateral surface member structure (100) of a vehicle body (1) includes a tubular body (110) extending in a front-rear direction of the vehicle body (1) and an impact absorbing member (120) disposed inside the tubular body (110). The impact absorbing member (120) includes a web (121) extending along the front-rear direction and flat in a vehicle width direction, a vehicle outer flange (122) joined to a vehicle outer end portion of the web (121) and extending along the front-rear direction, and a vehicle inner flange (123) joined to a vehicle inner end portion of the web (121) and extending along the front-rear direction. The vehicle outer flange (122) and the vehicle inner flange (123) each include a rib (122R, 123R) disposed so as to sandwich the web (121) from above and below and extending along the front-rear direction.

Abstract: An under body structure of an automobile enabling batteries to be mounted on an automobile by a simple configuration and efficiently transferring load at the time of a collision, that is, an under body structure 100 of an automobile provided with a body floor 110 forming a floor part of the automobile and batteries 50 (battery cells or battery modules) directly suspended from and fastened to a bottom side of the body floor 110.

Abstract: A test sample support for use in a collision test using a center pillar assembly of an automobile body as a test sample, includes a linear main body, a first attachment part, and a second attachment part. A cross section of the main body of the test sample support is an open section of cross-shaped. The first attachment part is secured to the center pillar assembly. The second attachment part is secured to a collision test apparatus. This makes it possible to perform a collision test conveniently and at a low cost, thereby accurately evaluating side collision performance of the center pillar assembly.

Abstract: A steel sheet member combination structure includes: a first steel sheet member having a main wall portion, a standing wall portion that stands from an end edge of the main wall portion, and a flange portion that extends parallel to the main wall portion from an end edge of the standing wall portion; and a second steel sheet member having a horizontal wall portion that is joined to at least one of an inner surface or an outer surface of the first steel sheet member and that abuts the main wall portion and a side wall portion that abuts the standing wall portion, and the first steel sheet member and the second steel sheet member satisfy predetermined relational expressions.

Abstract: A movable member is gripped in a delamination-start configuration, and the other-end side of a rib of a delamination member is pressed towards the other-end side of a flexible plate. The flexible plate then warps and deforms about the other end side of the flexible plate, which is supported by a support member, the flexible plate deforming along the direction in which delamination progresses. In concert with the delamination action, a reinforcing plate also warps and deforms along with the flexible plate, the reinforcing plate being vacuum-chucked to an air-permeable electroconductive sheet on the flexible plate, and the reinforcing plate is sequentially delaminated from a substrate 2 along the direction in which delamination progresses.

Abstract: An impact absorbing member 10 able to secure absorption energy while lightening weight by absorbing the impact load applied in the axial direction by periodic buckling, wherein the impact absorbing member 10 is provided with a main body 20 comprised of metal sheet and having a polygonal shape in cross-section vertical to an axial direction and a center sheet 30 comprised of metal sheet and provided at a hollow part in the main body along the axial direction, the polygonal shape of the main body 20 includes a pair of long side (20a, 20b) facing each other, the center sheet 30 is joined to each of the long sides (20a, 20b) of the polygonal shape of the main body 20, and the sheet thickness t1 (mm) of the main body 20 and the sheet thickness t2 (mm) of the center sheet 30 satisfy 1.3×t1?t2.

Abstract: An impact absorbing member 10 able to secure absorption energy while lightening weight by absorbing the impact load applied in the axial direction by periodic buckling, wherein the impact absorbing member 10 is provided with a main body 20 comprised of metal sheet and having a polygonal shape in cross-section vertical to an axial direction and a center sheet 30 comprised of metal sheet and provided at a hollow part in the main body along the axial direction, the polygonal shape of the main body 20 includes a pair of long side (20a, 20b) facing each other, the center sheet 30 is joined to each of the long sides (20a, 20b) of the polygonal shape of the main body 20, and the sheet thickness t1 (mm) of the main body 20 and the sheet thickness t2 (mm) of the center sheet 30 satisfy 1.3×t1?t2.

Abstract: In a peeling starting portion preparing method of a laminate, for the laminate including a first substrate and a second substrate peelably attached via an adsorption layer, a knife is inserted with a predetermined amount from an end surface of the laminate into an interface between the first substrate and the adsorption layer so as to prepare the peeling starting portion at the interface. The knife includes a main body portion, a cutting edge portion continuous with the main body portion and tapered in a side view, and a ridge line which is a boundary between the main body portion and the cutting edge portion, and at least a part of the adsorption layer is scraped off by a ridge line portion including the ridge line.

Abstract: A steel sheet member combination structure includes: a first steel sheet member having a main wall portion, a standing wall portion that stands from an end edge of the main wall portion, and a flange portion that extends parallel to the main wall portion from an end edge of the standing wall portion; and a second steel sheet member having a horizontal wall portion that is joined to at least one of an inner surface or an outer surface of the first steel sheet member and that abuts the main wall portion and a side wall portion that abuts the standing wall portion, and the first steel sheet member and the second steel sheet member satisfy predetermined relational expressions.

Abstract: A movable member is gripped in a delamination-start configuration, and the other-end side of a rib of a delamination member is pressed towards the other-end side of a flexible plate. The flexible plate then warps and deforms about the other end side of the flexible plate, which is supported by a support member, the flexible plate deforming along the direction in which delamination progresses. In concert with the delamination action, a reinforcing plate also warps and deforms along with the flexible plate, the reinforcing plate being vacuum-chucked to an air-permeable electroconductive sheet on the flexible plate, and the reinforcing plate is sequentially delaminated from a substrate 2 along the direction in which delamination progresses.

Abstract: In a peeling starting portion preparing method of a laminate, for the laminate including a first substrate and a second substrate peelably attached via an adsorption layer, a knife is inserted with a predetermined amount from an end surface of the laminate into an interface between the first substrate and the adsorption layer so as to prepare the peeling starting portion at the interface. The knife includes a main body portion, a cutting edge portion continuous with the main body portion and tapered in a side view, and a ridge line which is a boundary between the main body portion and the cutting edge portion, and at least a part of the adsorption layer is scraped off by a ridge line portion including the ridge line.

Abstract: A substrate suctioning device includes a table having a suction surface suctioning a substrate, and a plurality of suction units provided on the suction surface of the table. The substrate suctioning device includes a control unit that, with setting a group of suction unit(s) among the plurality of suction units as a starting point, sequentially decompresses a plurality of remaining suction units disposed in a direction away from the group of suction unit(s) as the starting point, along the direction away from the group of suction unit(s) as the starting point.

Abstract: An impact absorbing member 10 able to secure absorption energy while lightening weight by absorbing the impact load applied in the axial direction by periodic buckling, wherein the impact absorbing member 10 is provided with a main body 20 comprised of metal sheet and having a polygonal shape in cross-section vertical to an axial direction and a center sheet 30 comprised of metal sheet and provided at a hollow part in the main body along the axial direction, the polygonal shape of the main body 20 includes a pair of long side (20a, 20b) facing each other, the center sheet 30 is joined to each of the long sides (20a, 20b) of the polygonal shape of the main body 20, and the sheet thickness t1 (mm) of the main body 20 and the sheet thickness t2 (mm) of the center sheet 30 satisfy 1.3×t1?t2.

Abstract: A test sample support for use in a collision test using a center pillar assembly of an automobile body as a test sample, includes a linear main body, a first attachment part, and a second attachment part. A cross section of the main body of the test sample support is an open section of cross-shaped. The first attachment part is secured to the center pillar assembly. The second attachment part is secured to a collision test apparatus. This makes it possible to perform a collision test conveniently and at a low cost, thereby accurately evaluating side collision performance of the center pillar assembly.

Abstract: A performance evaluation method of a vehicle member includes a calculation process for performing an analysis using a partial structure CAE model modeling a module where a member of a vehicle to be evaluated and a collision test device for conducting a collision test on the member are combined, and obtaining a value of a collision performance evaluation parameter in the partial structure CAE model; a calculation process for determining a boundary condition of the partial structure CAE model; a calculation process for determining a test condition of a member collision test device based on the boundary condition of the partial structure CAE model; and a test process for conducting a collision test using a physical member collision test device and a physical member, based on the set condition of the member collision test device.

Abstract: In a cooling a galvanized steel sheet (W), change in emissivity of a surface of the galvanized steel sheet (W) is measured in a temperature range lower than the boiling point of zinc but not lower than the ferrite transformation temperature, using an emissivity sensor (4) with an observation wavelength of 1.4 ?m or longer, and pressing and quenching in a pressing and quenching apparatus (2) is started after completion of an alloying reaction has been detected based on the change in emissivity. The emissivity sensor (4) preferably has an InGaAs element or a thermopile as a measuring element.

Abstract: In a cooling a galvanized steel sheet (W), change in emissivity of a surface of the galvanized steel sheet (W) is measured in a temperature range lower than the boiling point of zinc but not lower than the ferrite transformation temperature, using an emissivity sensor (4) with an observation wavelength of 1.4 ?m or longer, and pressing and quenching in a pressing and quenching apparatus (2) is started after completion of an alloying reaction has been detected based on the change in emissivity. The emissivity sensor (4) preferably has an InGaAs element or a thermopile as a measuring element.