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Matthew D. Pickett, San Francisco US

Matthew D. Pickett, San Francisco, CA US

Patent application numberDescriptionPublished
20100272386OPTICALLY AND ELECTRICALLY ACTUATABLE DEVICES - Disclosed herein are optically and electrically actuatable devices. The optically and electrically actuatable device includes an insulating substrate, two electrodes, an active region, and a concentrator. At least one of the two electrodes is established on the insulating substrate, and another of the two electrodes is established a spaced distance vertically or laterally from the at least one of the two electrodes. The other of the two electrodes is an optical input electrode. The active region is established between or beneath the two electrodes. The concentrator is optically coupled to the optical input electrode for concentrating incident light such that a predetermined portion of the active region is optically actuatable.10-28-2010
20110095774TESTING A NONVOLATILE CIRCUIT ELEMENT HAVING MULTIPLE INTERMEDIATE STATES - A test circuit tests a nonvolatile circuit element having multiple intermediate states. The test circuit includes a waveform generator configured to apply a waveform to the circuit element connected to the test circuit. The waveform includes stress pulses applied to the circuit element over time. A detector detects a parameter of the circuit element as the waveform is applied to the circuit element.04-28-2011
20110169136CROSSBAR-INTEGRATED MEMRISTOR ARRAY AND METHOD EMPLOYING INTERSTITIAL LOW DIELECTRIC CONSTANT INSULATOR - A memristor crossbar array and method of making employ an interstitial insulator. The memristor crossbar array includes a plurality of memristors in an array. The memristors include columns of memristor material disposed between and connecting to a first plurality of wire electrodes and a second plurality of wire electrodes at cross points between the respective wire electrodes. The memristor crossbar array further includes an insulator of a solid material in an interstitial space between the wire electrodes of the first plurality and between the columns of memristor material. The insulator isolates the memristors from one another and has a dielectric constant that is lower than a dielectric constant of the memristor material. The method of making includes forming the plurality of memristors and filling the interstitial space between adjacent memristors with the insulator material.07-14-2011
20110181347MEMRISTOR-PROTECTION INTEGRATED CIRCUIT AND METHOD FOR PROTECTION OF A MEMRISTOR DURING SWITCHING - A memristor-protection integrated circuit. The memristor-protection integrated circuit includes a first current-bias circuit, a second current-bias circuit, an inverter, and a current limiter. The first and second current-bias circuits are configured to be coupled to first and second power-supply rails, respectively. The inverter is coupled to the first current-bias circuit and to the second current-bias circuit, and is configured to couple at least one memristor to at least one of the first current-bias circuit and the second current-bias circuit in response to an input signal applied to the inverter. The current limiter is coupled to the first current-bias circuit and coupled to the second current-bias circuit, and is configured to limit current flowing through the memristor.07-28-2011
20110227030Memristor Having a Triangular Shaped Electrode - A memristor includes a first electrode having a triangular cross section, in which the first electrode has a tip and a base, a switching material positioned upon the first electrode, and a second electrode positioned upon the switching material. The tip of the first electrode faces the second electrode and an active region in the switching material is formed between the tip of the first electrode and the second electrode.09-22-2011
20110227045Voltage-Controlled Switches - A voltage-controlled switch (09-22-2011
20110240941Silicon-Based Memristive Device - A memristive device (10-06-2011
20110261608Self-Repairing Memristor and Method - A self-repairing memristor (10-27-2011