Abstract: The present strain gauge includes a substrate having flexibility; a resistor formed from a material containing at least one of chromium and nickel, on the substrate; and an oxidation impeding layer formed on a non-oxidized surface corresponding to an upper surface of the resistor.

Abstract: The present strain gauge includes a substrate having flexibility; a resistor formed from a material containing at least one of chromium and nickel, on the substrate; a pair of wiring patterns formed on the substrate and electrically connected to both ends of the resistor; and a pair of electrodes formed on the substrate and electrically connected to the pair of wiring patterns, respectively. The wiring patterns include a first layer extending from the resistor, and a second layer having a lower resistance than the first layer and layered on the first layer. On the substrate, an electronic component mounting area is demarcated, on which an electronic component electrically connected to the electrodes is mounted.

Abstract: A strain gauge includes a flexible substrate; and resistors each formed of a Cr composite film. The resistors include a first resistor and a second resistor that are formed on one side of the substrate, and include a third resistor and a fourth resistor that are formed on another side of the substrate. The first resistor, the second resistor, the third resistor, and the fourth resistor constitute a Wheatstone bridge circuit.

Abstract: A strain gauge includes a flexible substrate; and resistors each formed of material including at least one from among chromium and nickel, on or above the substrate. The resistors include a first resistor formed on or above a predetermined surface of the substrate; a second resistor of which a grid direction faces a different direction from the first resistor, the second resistor formed on or above the predetermined surface of the substrate or a surface parallel to the predetermined surface; and a third resistor formed on or above a surface adjacent to the predetermined surface of the substrate.

Abstract: A sensor module includes a substrate; a resistor formed of a material containing at least one of chromium and nickel, on one surface of the substrate; an electronic component mounted on the one surface of the substrate, to be electrically connected to the resistor; and a power source mounted on the one surface of the substrate or on another surface of the substrate, to be electrically connected to the electronic component, to supply power to the electronic component.

Abstract: A strain gauge includes a flexible substrate, and resistors each formed of a Cr composite film. The resistors include a first resistor formed on one side of the substrate and includes a second resistor formed on another side of the substrate. The first resistor and the second resistor are arranged such that grid directions of the first resistor and the second resistor intersect in a plan view.

Abstract: A strain gauge includes a flexible substrate, and a resistor formed of material containing at least one from among chromium and nickel, on or above the substrate. The resistor includes a first layer that is a lowermost layer; and a second layer that is a surface layer laminated on or: above the first layer. The second layer is a layer having a higher density than the first layer.

Abstract: A strain gauge includes a flexible substrate; a resistor formed of material containing at least one from among chromium and nickel, on or above the substrate; an insulating layer formed of an inorganic material, the resistor being coated with the insulating layer; and an insulating resin layer-formed of an organic material, the insulating layer being coated with the insulating resin layer.

Abstract: A strain gauge includes a flexible substrate, and a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. The substrate has an expansion coefficient in a range of from 7 ppm/K to 20 ppm/K.

Abstract: A strain gauge includes a flexible substrate, and resistors each formed of a Cr composite film. The resistors include a first resistor formed on one side of the substrate and includes a second resistor formed on another side of the substrate. The first resistor and the second resistor are arranged such that grid directions of the first resistor and the second resistor intersect in a plan view.

Abstract: The present strain gauge includes a substrate having flexibility; and a resistor formed from a material containing at least one of chromium and nickel, on the substrate, wherein a first substance having a function of controlling growth of crystal grains as the main component of the resistor, is added to the resistor.

Abstract: The present strain gauge includes a substrate having flexibility; a resistor formed from a material containing at least one of chromium and nickel, on the substrate; and an oxidation impeding layer formed on a non-oxidized surface corresponding to an upper surface of the resistor.

Abstract: A strain gauge includes a flexible substrate, and a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. Surface unevenness on one surface of the substrate is 15 nm or less, and the resistor has a film thickness of 0.05 ?m or more.

Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; and a resistor formed of material including at least one from among chromium and nickel, on one surface of the functional layer.

Abstract: The present strain gauge includes a substrate having flexibility; and a resistor formed from a material containing at least one of chromium and nickel, on the substrate, wherein a first substance having a function of preventing crystal grains as the main component of the resistor from cohering, is added to the resistor.

Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; a resistor formed of material including at least one from among chromium and nickel, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.

Abstract: A ball bearing (rolling bearing) containing lubricant sealed therein is provided between a shaft and a sleeve. A labyrinth seal (seal gap) is provided at an end portion of the shaft or the sleeve in the axial direction. A permanent magnet is disposed such that a magnetic pole is located in proximity to the labyrinth seal. A magnetic seal effect that utilizes diamagnetism acting on evaporating oil is provided at the labyrinth seal.

Abstract: A ball bearing (rolling bearing) containing lubricant sealed therein is provided between a shaft and a sleeve. A labyrinth seal (seal gap) is provided at an end portion of the shaft or the sleeve in the axial direction. A permanent magnet is disposed such that a magnetic pole is located in proximity to the labyrinth seal. A magnetic seal effect that utilizes diamagnetism acting on evaporating oil is provided at the labyrinth seal.