Minebea Company, Limited

Minebea Mitsumi Inc.

Atsushi Kitamura

Shigeyuki Adachi

Toshiaki Asakawa

Eiji Misaizu

Akiyo Yuguchi

Motoji Egawa

Kozo Matsumoto

Sawa Tanabe

Mizuki Nakamura

Shinya Toda

Yuta Aizawa

Hirotsugu Iijima

Kosuke Kitahara

Satoshi Suzuki

Mitsuteru Inoue

Akio Takayama

Shinya Yamaguchi

Hideki Kato

Toshitaka Fujii

Aya Ono

Yosuke Ogasa

Shinya Suzuki

Shingo Suzuki

Shinichi Niwa

Satoshi Sato

Toshinori Chino

Hideo Fujiura

Yoichi Kimura

Rikio Tsuchiya

Miki Sugawara

Iku Ishihara

A strain gauge includes a flexible resin substrate and a resistor formed of a film that includes Cr, CrN, and CrN, the resistor being situated on or above the substrate. A film thickness of the resistor is greater than or equal to 100 nm and less than or equal to 700 nm.

Strain gauge

A strain gauge includes a flexible substrate and a resistor formed of material including at least one of chromium or nickel, the resistor being situated above the substrate. The strain gauge includes a functional layer formed of an insulating material that has a higher thermal conductivity than the resistor, the functional layer being situated between the substrate and the resistor. The resistor includes multiple resistive patterns that are juxtaposed. The resistor includes folded portions each of which connects end portions of resistive portions that are next to each other. A first metallic layer formed of a material that has a higher thermal conductivity than the resistor is laminated on the folded portions.

A rolling bearing includes an outer ring having a predetermined rotation axis; an inner ring disposed coaxially with the outer ring and situated on an inner peripheral side of the outer ring; multiple rolling elements disposed between the outer ring and the inner ring; and a strain gauge disposed on an outer peripheral surface of the outer ring or an inner peripheral surface of the inner ring. The strain gauge includes three or more detector elements that are disposed on the outer peripheral surface of the outer ring or the inner peripheral surface of the inner ring, and the three or more detector elements include at least two detector elements at different locations in a circumferential direction of the outer ring or the inner ring, the at least two detector elements being situated at different locations in a direction of the rotation axis.

Rolling bearing

A rolling bearing includes an outer ring, an inner ring disposed coaxially with the outer ring, the inner ring being on an inner peripheral side of the outer ring. The rolling bearing includes multiple rolling elements disposed between the outer ring and the inner ring. The rolling bearing includes a strain gauge configured to detect strain of the outer ring or the inner ring. The strain gauge includes a resistor formed of a Cr composite film.

Rolling bearing, rotating apparatus, bearing monitoring apparatus and method for monitoring bearing

The present vital sensor is a vital sensor configured to monitor a blood flow, and includes a strain generator to be attached to a measurement site in a subject, and a strain gauge disposed on the strain generator. The strain gauge includes three or more resistors. With a first direction being a direction in which a blood vessel extends in the measurement site and a second direction being a direction orthogonal to the first direction, the strain generator is attached to the measurement site so that positions of at least three of the resistors in the first direction are different from each other, and the positions of the at least three of the resistors in the second direction are different from each other.

Vital sensor

A battery pack includes a battery, a sensor configured to detect a state of the battery. The sensor includes an insulating layer, and a resistor on one side of the insulating layer, the resistor being formed of a Cr composite film. The sensor detects the state of the battery as a change in a resistance value of the resistor.

Battery pack

A sensor module includes a first strain gauge including a first resistor, a second strain gauge including a second resistor, and a flexure element. The first strain gauge has the same characteristic as the second strain gauge. The first strain gauge and the second strain gauge are respectively disposed toward the same surface of the flexure element, via layers each of which has a different linear expansion coefficient.

Sensor module and strain detecting device

A tactile sensor includes a support member with a curved surface, a sensor body disposed on the support member, and a buffer member with which the sensor body is coated, the buffer member being configured to, in response to contacting an object, transfer a force applied from the object to the sensor body. The sensor body includes an insulating layer, multiple first resistive portions of which a longitudinal direction is directed to a first direction of each and that are juxtaposed on one side of the insulating layer, multiple second resistive portions of which a longitudinal direction of each is directed to a second direction intersecting with the first direction and that are juxtaposed on another side of the insulating layer, and a pair of electrodes provided at both end portions of each of the first resistive portions and the second resistive portions. The press force applied from the object is transferred to the sensor body, and at least one given resistive portion among the first resistive portions and the second resistive portions is pressed, so that a resistance value between a given pair of electrodes associated with the pressed at least one given resistive portion among the first resistive portions and the second resistive portions constantly varies in accordance with a magnitude of the press force.

Tactile sensor

An accelerator is an automobile accelerator. The accelerator includes a sensor configured to detect a force to press the accelerator. The sensor includes a flexible substrate and a resistor formed of a film containing Cr, CrN, and CrN, on or above the substrate. The sensor is configured to detect the force to press the accelerator as a change in a resistance value of the resistor.

Accelerator, steering wheel, six-axis sensor, engine, bumper and the like

A strain gauge includes a flexible resin substrate; a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate; a resistor formed of a film including Cr, CrN, and CrN, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.

Strain gauge with improved stability

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.

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.

Strain gauge and sensor module

A strain gauge includes a flexible substrate and a functional layer formed of a metal, an alloy, or a metal compound, directly on one surface of the substrate. The strain gauge includes a resistor formed of a film including Cr, CrN, and CrN, on one surface of the functional layer. The substrate has an expansion coefficient in a range of from 7 ppm/K to 20 ppm/K.

A strain gauge includes a flexible substrate, and a plurality of resistors each formed of a Cr composite film, on or above the substrate. The substrate is attached to a flexure element, the plurality of resistors including two resistors disposed at locations at which the two resistors are opposite to each other, such that the flexure element is interposed between the two resistors.

Growing community of inventors

Shizuoka, Japan

Atsushi Kitamura