COMPUTATION DEVICES AND ARTIFICIAL NEURONS BASED ON NANOELECTROMECHANICAL SYSTEMS
First Claim
1. A nanoelectromechanical system (NEMS) based computing element, comprising:
- a substrate; and
two electrodes configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force,wherein the first beam structure is kept at a constant voltage while the other voltage varies based on an input signal applied to the NEMS based computing element.
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Abstract
Techniques, systems, and devices are described for implementing for implementing computation devices and artificial neurons based on nanoelectromechanical (NEMS) systems. In one aspect, a nanoelectromechanical system (NEMS) based computing element includes: a substrate; two electrodes configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force. The first beam structure is kept at a constant voltage while the other voltage varies based on an input signal applied to the NEMS based computing element.
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Citations
22 Claims
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1. A nanoelectromechanical system (NEMS) based computing element, comprising:
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a substrate; and two electrodes configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force, wherein the first beam structure is kept at a constant voltage while the other voltage varies based on an input signal applied to the NEMS based computing element. - View Dependent Claims (2, 3)
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4. An artificial neural network, comprising:
a plurality of nanoelectromechanical system (NEMS) based computing elements interfaced with one another and forming synaptic nodes, the NEMS based computing elements including; a substrate, and two electrodes configured as a first beam structure and a second beam structure, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force, wherein the first beam structure is kept at a constant voltage while the other voltage varies based on an input signal applied to the NEMS based computing element.
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5. A nanoelectromechanical system (NEMS) based multiplier element, comprising:
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a substrate; a first pair of electrodes disposed on the substrate and configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force; a second pair of electrodes disposed on the substrate mirroring the first pair of electrodes and configured as a third beam structure and a fourth beam structure positioned in close proximity with each other without contact, wherein the third beam structure is fixed to the substrate and the fourth beam structure is attached to the substrate while being free to bend under electrostatic force; wherein the first pair of electrodes and the second pair of electrodes mirror each other such that the second and fourth beam structures are on the inside of the combined structure; and a fifth beam structure disposed on the substrate between the second and fourth beam structures and serves as an output electrode, wherein the first beam structure is coupled to a first voltage, the third beam structure is coupled to a second voltage that is the negative version of the first voltage, wherein the second and fourth beam structures are coupled to a third voltage; wherein the fifth beam structure is configured to output a fourth voltage which is proportional to the product of the first voltage and the third voltage. - View Dependent Claims (6)
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7. A NEMS based adder/multiplier element, comprising:
a linearly cascaded NEMS based multiplier elements, wherein each NEMS based multiplier element includes; a first pair of electrodes disposed on the substrate and configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact, wherein the first beam structure is fixed to the substrate and the second beam structure is attached to the substrate while being free to bend under electrostatic force; a second pair of electrodes disposed on the substrate mirroring the first pair of electrodes and configured as a third beam structure and a fourth beam structure positioned in close proximity with each other without contact, wherein the third beam structure is fixed to the substrate and the fourth beam structure is attached to the substrate while being free to bend under electrostatic force; wherein the first pair of electrodes and the second pair of electrodes mirror each other such that the second and fourth beam structures are on the inside of the combined structure; and a fifth beam structure disposed on the substrate between the second and fourth beam structures and serves as an output electrode, wherein the first beam structure is coupled to a first voltage, the third beam structure is coupled to a second voltage that is the negative version of the first voltage, wherein the second and fourth beam structures are coupled to a third voltage; wherein the fifth beam structure is configured to output a fourth voltage which is proportional to the product of the first voltage and the third voltage.
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8. A device based on nanoelectromechanical system (NEMS) elements, comprising:
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a substrate; nanoelectromechanical system (NEMS) elements formed over the substrate, each NEMS element including two electrodes configured as a first beam structure and a second beam structure positioned in close proximity with each other without contact to allow for relative motion therebetween under an electrostatic force in response to an electrical signal applied to the NEMS element; and an array of SONAR (Sound Navigation and Ranging) devices formed over the substrate, each SONAR device operable to produce a sonic signal directed to the NEMS elements so that sonic signals from the SONAR devices form sonic communication links within the NMES elements.
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9. An ion-gas sensor device, comprising:
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a substrate including an array of pillars and troughs; a microfan component including a first stack and a second stack of layers of a piezoelectric composite material formed on the pillars of the substrate and protruding over the troughs, the first stack of layers to sense the flow of ions in a gas and the second stack of layers actuate to drive the ions to a detection region of the device at a controlled flow rate; a layer of a radioactive material formed in the trough of the substrate to ionize the gas when flowed above the layer; and an array of electrodes formed in the detection region to detect ion mobility of the ions of the gas. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A chip-size gas analyzer, comprising:
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a chipscale ionization source configured to generate ions of the target compounds in the gas flowing through the sensor; a gas pump module configured to pump the ions of the target compounds into an area of chemical sensing; and a detection module configured to detect and identify target compounds. - View Dependent Claims (16, 17, 18, 19)
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20. A monolithic ultrasonic fingerprint scanner, comprising:
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an acoustic matching layer to provide a contact surface for a finger to make contact; an array of piezoelectric transducers disposed beneath the acoustic matching layer, wherein each of the piezoelectric transducers is operable to generate an incident acoustic wave or an incident acoustic pulse toward the acoustic matching layer and receive reflected acoustic waves or acoustic pulses off of an object being detected; and a CMOS die electrically coupled to the array of piezoelectric transducers to receive and process the piezoelectric transducers outputs produced in response to the reflected acoustic waves or the acoustic pulses. - View Dependent Claims (21, 22)
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Specification