Abstract: A field effect transistor includes a first etching stop structure and a second etching stop structure. The first etching stop structure is formed on a first side surface of a recess region that is a boundary between a cap layer on a side of a source electrode and the recess region. The second etching stop structure is formed on a second side surface of the recess region that is a boundary between the cap layer on a side of a drain electrode and the recess region.

Abstract: A power supply device with enhanced safety is provided. A power supply device (100) includes secondary battery cells (1) each including a positive electrode (2) including a safety valve on one end surface of each cell, a battery holder holding the secondary battery cells (1) each including the positive electrode (2) on the one end surface thereof, and a housing (20) having a bottom surface (22), a top surface (23), and an inner space which accommodates the battery holder therein. The battery holder holds the secondary battery cells (1) upright in parallel to one another such that the positive electrode (2) on the one end surface of each cell (1) is directed vertically downward. In the housing (20), the battery holder retains the positive electrode (2) of each cell (1) spaced apart from the bottom surface (22) across a first space (SP1).

Abstract: A wiping member includes an elastic member and a liquid retention member. The elastic member includes a first surface and a second surface facing in different directions. The liquid retention member overlaps the elastic member over the first surface and the second surface, and has liquid retention properties.

Abstract: A restricting member includes a blade portion and a supporting portion. A contact portion is provided at the blade portion, and, in a cross section orthogonal to a longitudinal direction, the contact portion includes a first portion extending in a first direction and a second portion extending toward a free end from an end of the first portion and extending in a second direction. When a region demarcated by connecting an intersection point, the end of the first portion, and an end of the second portion by a straight line is defined as a first region, the intersection point being where an imaginary line intersects an extension line of the first portion in the first direction, an area of the first region is smaller on a longitudinal end portion than on a longitudinal central portion of the blade portion.

Abstract: A gate opening portion, which is disposed within a recess formation region in a state where the distance from a drain electrode is greater than the distance from a source electrode, is formed in an insulating layer. The gate opening portion is a stripe-shaped opening that extends in a gate width direction. Also, a plurality of asymmetric recess-forming opening portions are formed, arranged in a row in the gate width direction between the gate opening portion and the drain electrode within the recess formation region in the insulating layer. In this step, asymmetric recess-forming opening portions are formed whose opening size in the gate length direction is greater than the opening size in the gate width direction.

Abstract: A gate opening, a plurality of first openings arranged in a gate widthwise direction and having a reed shape, a second opening connecting the adjacent first openings, and a third opening connected to a side away from the arrangement of the first opening at an end of the arrangement are formed in an insulation layer. An ohmic cap layer is etched via the openings to form an asymmetric recess region.

Abstract: A groove is formed around a chip region of a principal surface of a substrate by an etching process or cutting with a dicing blade (a second step). Next, the substrate is thinned from a back-surface side of the substrate to cause a bottom of the groove to reach a backside of the substrate to serve as a space, thus cutting out a portion that is to be a chip of the chip region (a third step).

Abstract: A semiconductor device (field effect transistor) includes a gate insulating layer between both of a bottom part and a lateral surface of a recess part and a penetration portion of a gate electrode. The gate insulating layer is composed of an oxide of a substance which a barrier layer is composed of For example, the gate insulating layer is composed of a layer of In oxide and a layer of Al oxide.

Abstract: A gate electrode includes a main portion formed of a gate electrode material, and a gate electrode barrier layer disposed between the main portion and a barrier layer and formed of a conductive material that prevents the gate electrode material from diffusing into the barrier layer. A surface of the main portion in a region above a first insulating layer faces a periphery without a layer of the conductive material being formed.

Abstract: A gate opening, a plurality of first openings arranged in a gate widthwise direction and having a reed shape, a second opening connecting the adjacent first openings, and a third opening connected to a side away from the arrangement of the first opening at an end of the arrangement are formed in an insulation layer. An ohmic cap layer is etched via the openings to form an asymmetric recess region.

Abstract: A gate opening portion, which is disposed within a recess formation region in a state where the distance from a drain electrode is greater than the distance from a source electrode, is formed in an insulating layer. The gate opening portion is a stripe-shaped opening that extends in a gate width direction. Also, a plurality of asymmetric recess-forming opening portions are formed, arranged in a row in the gate width direction between the gate opening portion and the drain electrode within the recess formation region in the insulating layer. In this step, asymmetric recess-forming opening portions are formed whose opening size in the gate length direction is greater than the opening size in the gate width direction.

Abstract: A battery pack includes: a plurality of battery cells (1); and heat dissipating holder (2) that is disposed among battery cells (1) and is in contact with the battery cells (1) in a thermally coupled state. Heat dissipating holder (2) includes: holder body (3) having insertion holes into which battery cells (1) are inserted; and thermally-conductive insulating rubber (4) having elastic cylinders to be disposed on the inner surfaces of the insertion holes. Each elastic cylinder includes a plurality of elastic projections projecting on its inner surface. The inner shape of each elastic cylinder in a non-insertion state of battery cell (1) is made smaller than the outer shape of battery cell (1). In heat dissipating holder (2), battery cells (1) inserted into the elastic cylinders are disposed at fixed positions in the insulated state. The elastic projections are elastically pressed on and closely contact the periphery of battery cell (1).

Abstract: There is provided a part holding head assembly of a part mounting device including: a rotary head; a spindle configured to rotate in a first direction T with respect to a central axis of the spindle and configured to move in a second direction Z substantially parallel with an extending direction of the central axis of the spindle; a nozzle provided at a first end of the spindle; a raising part configured to move the spindle to in the second direction Z; and a contact detecting sensor configured to sense the nozzle contacting a part or the part held by the nozzle contacting a substrate and configured to generate a contact sensing signal according to the sensing.

Abstract: There is provided a part holding head assembly of a part mounting device including: a rotary head; a spindle configured to rotate in a first direction T with respect to a central axis of the spindle and configured to move in a second direction Z substantially parallel with an extending direction of the central axis of the spindle; a nozzle provided at a first end of the spindle; a raising part configured to move the spindle to in the second direction Z; and a contact detecting sensor configured to sense the nozzle contacting a part or the part held by the nozzle contacting a substrate and configured to generate a contact sensing signal according to the sensing.

Abstract: Battery block includes a plurality of cells having safety valve on the negative electrode side, positive electrode plate part provided to the positive electrode side of cells and negative electrode plate part provided to the negative electrode side of cells in order to connect cells in parallel, duct cover covering the negative electrode side of cells and constituting duct chamber for exhausting exhaust gas discharged from safety valve, and insulating case for housing cells inside thereof. Negative electrode plate part is an elastic electrode plate part in elastic contact with negative electrode terminal, and duct cover is integrated with negative electrode plate part while pressing negative electrode plate part against negative electrode terminal at a predetermined pressing pressure.

Abstract: A battery pack that has superior output characteristics and long-term reliability and is less expensive is provided. More specifically, a battery pack is provided that includes plurality of batters cells each having electrode terminals including a positive terminals and a negative terminal, the battery cells being stacked on top of one another; and a bus bar haying a bent portion, the bus bar being welded and electrically connected to the electrode terminals, wherein each of the electrode terminals is formed of a flat plate, and a stacking direction of the electrode terminals and a stacking direction of the battery cells are the same, and the electrode terminal of one of the battery cells and the electrode terminal of another one of the battery cells are electrically connected by the bus bar.

Abstract: Disclosed herein is a lens barrel, including: plural barrel cases having holding frame portions holding optical members, respectively, and coupled to one another in a predetermined direction; and plural abutment portions made to abut against one another in a state in which the plural barrel cases are coupled to the holding frame portions, respectively, wherein the abutment portion of at least one of the plural barrel cases coupled to one another is formed in a shape protruding to the abutment portion side of the other of the plural barrel cases coupled to one another.

Abstract: An electronic component installation apparatus 4 which constructs an electronic component mounting line 1 and installs an electronic component on a substrate is configured to include substrate conveyance lanes L1, L3 as two conveyance paths for feed which respectively feed the substrate carried from the upstream side to the downstream side, the conveyance paths for feed in which substrate positioning parts for positioning and holding the substrate in installation work positions are disposed between two component installation parts 22A, 22B for taking the electronic components out of component supply parts 23A, 23B and transferring and installing the electronic components to the substrate, and a substrate conveyance lane L2 as a return conveyance path which returns the substrate carried from the downstream side to the upstream side and is disposed in a state of being sandwiched between the substrate conveyance lanes L1, L3.

Abstract: There is provided an image blur correction device including: a correction optical element; a first movable frame; a second movable frame; a fixed frame; a first main guide shaft and a first auxiliary guide shaft; a second main guide shaft and a second auxiliary guide shaft; a first driving part; and a second driving part. The first auxiliary guide shaft is shorter than the first main guide shaft and the second driving part is placed between the first auxiliary guide shaft and the correction optical element. The second auxiliary guide shaft is shorter than the second main guide shaft and the first driving part is placed between the second auxiliary guide shaft and the correction optical element.

Abstract: There is provided an image blur correction device including: a correction optical element; a first movable frame; a second movable frame; a fixed frame; a first main guide shaft and a first auxiliary guide shaft; a second main guide shaft and a second auxiliary guide shaft; a first driving part; and a second driving part. The first auxiliary guide shaft is shorter than the first main guide shaft and the second driving part is placed between the first auxiliary guide shaft and the correction optical element. The second auxiliary guide shaft is shorter than the second main guide shaft and the first driving part is placed between the second auxiliary guide shaft and the correction optical element.