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US 12,595,998 B2Granted
Strain gauge
AssigneeMINEBEA MITSUMI Inc.
InventorsIku Ishihara, Aya Ono, Yosuke Ogasa, Yuta Aizawa, Toshiaki Asakawa, Atsushi Kitamura
Life of this patent
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Abstract
According to the present disclosure, a strain gauge has: a flexible substrate; a resistor formed on the substrate; and a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces, and, in this strain gauge, a width of the resistor is 10 μm or more and 100 μm or less, and the conductive traces include a portion with a width of 5 μm or more and 100 μm or less.
Claims12
A strain gauge comprising:
- a flexible substrate;
- a resistor formed on the substrate;
- and
- a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces,
- wherein a width of the resistor is 10 μm or more and 100 μm or less,
- wherein a width of each of the conductive traces is 5 μm or more and 100 μm or less, and
- each of the conductive traces includes a portion having a width smaller than the width of the resistor.
4 more elements
A strain gauge comprising:
- a flexible substrate;
- a resistor formed on the substrate;
- and
- a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces,
- wherein the conductive traces further include:
- two or more first conductive traces that electrically connect one end of the resistor in a grid width direction with one of the pair of electrodes;
- and
- two or more second conductive traces that electrically connect another end of the resistor in the grid width direction with another one of the pair of electrodes, and
- wherein an entirety of each first conductive trace and an entirety of each second conductive trace have a width of 5 μm or more and 100 μm or less.
6 more elements
A strain gauge comprising:
- a flexible substrate;
- a resistor formed on the substrate;
- and
- a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces,
- wherein the conductive traces further include:
- a first conductive trace that electrically connects one end of the resistor in a grid width direction with one of the pair of electrodes;
- and
- a second conductive trace that electrically connects another end of the resistor in the grid width direction with another one of the pair of electrodes,
- wherein the first conductive trace includes:
- one thick portion, one end of which is electrically connected to the one end of the resistor in the grid width direction;
- and
- two or more thin portions that branch from another end of the thick portion and that are electrically connected to the one of the pair of electrodes,
- wherein the second conductive trace includes:
- one thick portion, one end of which is electrically connected to the another end of the resistor in the grid width direction;
- and
- two or more thin portions that branch from another end of the thick portion and that are electrically connected to the another one of the pair of electrodes, and
- wherein an entirety of each thin portion has a width of 5 μm or more and 100 μm or less.
14 more elements
Dependencies are inferred from the claim text.