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US 12,239,447 B2Granted
Multi-axial position sensors printed on a folded flexible circuit board
AssigneeBiosense Webster (Israel) Ltd.
InventorsAssaf Govari, Meir Bar-Tal, Avi Reuveni
Life of this patent
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Abstract
A position sensor includes a flexible substrate formed into a three-dimensional (3D) shape. At least first and second field-sensing coils are formed in first and second respective layers of the flexible substrate, such that in the 3D shape the first and second field-sensing coils have first and second respective axes that are not parallel to one another.
Claims20
A position sensor, comprising:
- (a) a flexible substrate defining a central longitudinal axis;
- (b) a first field-sensing coil formed on a first layer of the flexible substrate, the field-sensing coil defining a closed-loop shape that fully encircles a first axis, the first axis being orthogonal to the central longitudinal axis;
- and
- (c) a second field-sensing coil formed on a second layer of the flexible substrate, the second field-sensing coil defining a closed-loop shape that fully encircles the central longitudinal axis, the second field-sensing coil overlappingly wraps around the first field-sensing coil at a common longitudinal position along the central longitudinal axis.
1 more element
A position sensor, comprising:
- (a) a flexible substrate formed into a three-dimensioned object defining an opening extending along a central longitudinal axis;
- (b) a first field-sensing coil formed on a first layer of the flexible substrate, the first field sensing coil defining a closed-loop shape that fully encircles a first axis, the first axis being orthogonal to the central longitudinal axis;
- and
- (c) a second field-sensing coil formed on a second layer of the flexible substrate, the second field-sensing coil defining a closed-loop shape that fully encircles a second axis, the second axis being orthogonal to both the central longitudinal axis and the first axis, the first field-sensing coil and the second field-sensing coil being located at a common longitudinal location, the first field-sensing coil and the second field-sensing coil being configured to sense components of a magnetic field oriented along the first axis and the second axis, respectively.
1 more element
A position sensor, comprising:
- (a) a flexible substrate bent into a three-dimensioned shape defining an opening extending along a central axis;
- (b) a first field-sensing coil fixed to a first layer of the flexible substrate, the first field-sensing coil forming a closed-loop shape that encompasses a first axis being orthogonal to the central axis;
- (c) a second field-sensing coil fixed to a second layer of the flexible substrate, the second layer being offset from the first layer, the second field sending field-sensing coil forming a closed-loop shape that encompasses a second axis that is orthogonal to the central axis;
- and
- (d) a third field-sensing coil fixed to a third layer of the flexible substrate, the third layer being offset from the first layer and the second layer such that the first field-sensing coil, the second field-sensing coil, and the third field-sensing coil are electrically isolated relative to each other, the third field-sensing coil forming a closed-loop shape that encompasses the central axis and further overlappingly wraps around the first and second field-sensing coils.
2 more elements
Dependencies are inferred from the claim text.