Three-dimensional input control device
First Claim
1. A force input control device for sensing vector forces and converting them into electronic signals for processing on a substrate comprising:
- a sensor die comprising;
a rigid island, an elastic element coupled to the rigid island, die frame coupled to a periphery of the elastic element, one or more stress sensitive components on the elastic element, and signal processing IC, where the sensor die is sensitive to a magnitude and a direction of a force applied to the rigid island within the sensor die,where the sensor die is coupled electrically and mechanically to a substrate,a spring element coupling an external button, where the force is applied, to the rigid island element,wherein the spring element has a flat geometry and located in a plane parallel to a plane of the substrate, where the spring element is configured to translate a deflection of the button into an allowable force applied to the rigid island.
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Abstract
Some embodiments provide force input control devices for sensing vector forces comprising: a sensor die comprising: a rigid island, an elastic element coupled to the rigid island, die frame coupled to a periphery of the elastic element, one or more stress sensitive components on the elastic element, and signal processing IC, where the sensor die is sensitive to a magnitude and a direction of a force applied to the rigid island within the sensor die, where the sensor die is coupled electrically and mechanically to a substrate, a spring element coupling an external button, where the force is applied, to the rigid island element, wherein the spring element has a flat geometry and located in a plane parallel to a plane of the substrate, where the spring element is configured to translate a deflection of the button into an allowable force applied to the rigid island.
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Citations
20 Claims
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1. A force input control device for sensing vector forces and converting them into electronic signals for processing on a substrate comprising:
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a sensor die comprising;
a rigid island, an elastic element coupled to the rigid island, die frame coupled to a periphery of the elastic element, one or more stress sensitive components on the elastic element, and signal processing IC, where the sensor die is sensitive to a magnitude and a direction of a force applied to the rigid island within the sensor die,where the sensor die is coupled electrically and mechanically to a substrate, a spring element coupling an external button, where the force is applied, to the rigid island element, wherein the spring element has a flat geometry and located in a plane parallel to a plane of the substrate, where the spring element is configured to translate a deflection of the button into an allowable force applied to the rigid island. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification