Patent application number | Description | Published |
20080313576 | SYSTEM AND METHOD FOR INCLUDING PROTECTIVE VOLTAGE SWITCHABLE DIELECTRIC MATERIAL IN THE DESIGN OR SIMULATION OF SUBSTRATE DEVICES - A substrate device is designed by identifying one or more criteria for handling of a transient electrical event on the substrate device. The one or more criteria may be based at least in part on an input provided from a designer. From the one or more criteria, one or more characteristics may be determined for integrating VSD material as a layer within or on at least a portion of the substrate device. The layer of VSD material may be positioned to protect one or more components of the substrate from the transient electrical condition | 12-18-2008 |
20090050856 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL INCORPORATING MODIFIED HIGH ASPECT RATIO PARTICLES - Embodiments described herein provide for a composition of voltage switchable dielectric (VSD) material that includes a concentration of modified high-aspect ratio (HAR) particles. In an embodiment, at least a portion of the concentration includes HAR particles are surface-modified to provide core-shell HAR particles. As an alternative or addition, a portion of the concentration includes HAR particles that are surface-modified to have activated surfaces. | 02-26-2009 |
20090212266 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING BONDED PARTICLE CONSTITUENTS - A voltage switchable dielectric material comprising a concentration of multi-component particles that are individually formed by a mechanical or mechanochemical bonding process that bonds a semiconductive or conductive-type host particle with multiple insulative, conductive, or semi-conductive guest particles. | 08-27-2009 |
20090220771 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL WITH SUPERIOR PHYSICAL PROPERTIES FOR STRUCTURAL APPLICATIONS - Embodiments described herein provide for VSD material that has superior characteristics for its use as an integral structural component of a device. | 09-03-2009 |
20090242855 | VOLTAGE SWITCHABLE DIELECTRIC MATERIALS WITH LOW BAND GAP POLYMER BINDER OR COMPOSITE - A composition is provided that includes a polymer binder, and one or more classes of particle constituents. At least one class of particle constituents includes semiconductive particles that individually have a band gap that is no greater than 2 eV. As VSD material, the composition is (i) dielectric in absence of a voltage that exceeds a characteristic voltage level, and (ii) conductive with application of said voltage that exceeds the characteristic voltage level. | 10-01-2009 |
20090256669 | SUBSTRATE DEVICE OR PACKAGE USING EMBEDDED LAYER OF VOLTAGE SWITCHABLE DIELECTRIC MATERIAL IN A VERTICAL SWITCHING CONFIGURATION - A substrate device includes an embedded layer of VSD material that overlays a conductive element or layer to provide a ground. An electrode, connected to circuit elements that are to be protected, extends into the thickness of the substrate to make contact with the VSD layer. When the circuit elements are operated under normal voltages, the VSD layer is dielectric and not connected to ground. When a transient electrical event occurs on the circuit elements, the VSD layer switches instantly to a conductive state, so that the first electrode is connected to ground. | 10-15-2009 |
20100047535 | CORE LAYER STRUCTURE HAVING VOLTAGE SWITCHABLE DIELECTRIC MATERIAL - A core layer structure is provided for substrate and packed devices. The core layer structure includes a first layer, a second layer combined with the first layer. A layer of voltage switchable dielectric (VSD) material provided in between the first layer and second layer | 02-25-2010 |
20100065785 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL CONTAINING BORON COMPOUND - A composition of voltage switchable dielectric (VSD) material that comprises Boron. According to embodiments, VSD material is formulated that includes particle constituents that include one or more of Boron-nitride polymers, Boron nanotubes, and/or Boron nanoparticles. | 03-18-2010 |
20100090176 | Voltage Switchable Dielectric Material Containing Conductor-On-Conductor Core Shelled Particles - A composition of voltage switchable dielectric (VSD) material that comprises a concentration of core shelled particles that individually comprise a conductor core and a conductor shell, so as to form a conductor-on-conductor core shell particle constituent for the VSD material. | 04-15-2010 |
20100090178 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL CONTAINING CONDUCTIVE CORE SHELLED PARTICLES - A composition of voltage switchable dielectric (VSD) material that comprises a concentration of core shelled particles that individually comprise a conductor core and a shell, the shell of each core shelled particle being (i) multilayered, and/or (ii) heterogeneous. | 04-15-2010 |
20100109834 | GEOMETRIC AND ELECTRIC FIELD CONSIDERATIONS FOR INCLUDING TRANSIENT PROTECTIVE MATERIAL IN SUBSTRATE DEVICES - A substrate device includes a layer of non-linear resistive transient protective material and a plurality of conductive elements that form part of a conductive layer. The conductive elements include a pair of electrodes that are spaced by a gap, but which electrically interconnect when the transient protective material is conductive. The substrate includes features to linearize a transient electrical path that is formed across the gap. | 05-06-2010 |
20100139956 | DEVICE APPLICATIONS FOR VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING HIGH ASPECT RATIO PARTICLES - One or more embodiments provide for a device that utilizes voltage switchable dielectric material having semi-conductive or conductive materials that have a relatively high aspect ratio for purpose of enhancing mechanical and electrical characteristics of the VSD material on the device. | 06-10-2010 |
20100141376 | ELECTRONIC DEVICE FOR VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING HIGH ASPECT RATIO PARTICLES - One or more embodiments provide for a device that utilizes voltage switchable dielectric material having semi-conductive or conductive materials that have a relatively high aspect ratio for purpose of enhancing mechanical and electrical characteristics of the VSD material on the device. | 06-10-2010 |
20100147697 | METHOD FOR ELECTROPLATING A SUBSTRATE - One or more embodiments provide for a device that utilizes voltage switchable dielectric material having semi-conductive or conductive materials that have a relatively high aspect ratio for purpose of enhancing mechanical and electrical characteristics of the VSD material on the device. | 06-17-2010 |
20100148129 | Voltage Switchable Dielectric Material Containing Insulative and/or Low-Dielectric Core Shell Particles - A composition of voltage switchable dielectric (VSD) material that comprises a concentration of core shell particles that individually comprise an insulative core and one or more shell layers. | 06-17-2010 |
20100155670 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING HIGH ASPECT RATIO PARTICLES - A composition of voltage switchable dielectric (VSD) material that utilizes semi-conductive or conductive materials that have a relatively high aspect ratio for purpose of enhancing mechanical and electrical characteristics of the VSD material. | 06-24-2010 |
20100155671 | METHOD FOR CREATING VOLTAGE SWITCHABLE DIELECTRIC MATERIAL - One or more embodiments provide for a composition that includes (i) organic material that is conductive or semi-conductive, and (ii) conductor and/or semiconductor particles other than the organic material. The organic material and the conductor and/or semiconductor particles are combined to provide the composition with a characteristic of being (i) dielectric in absence of a voltage that exceeds a characteristic voltage level, and (ii) conductive with application of the voltage exceeding the characteristic voltage level. | 06-24-2010 |
20100155672 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING A QUANTITY OF CARBON NANOTUBES DISTRIBUTED THEREIN - One or more embodiments provide for a composition that includes (i) organic material that is conductive or semi-conductive, and (ii) conductor and/or semiconductor particles other than the organic material. The organic material and the conductor and/or semiconductor particles are combined to provide the composition with a characteristic of being (i) dielectric in absence of a voltage that exceeds a characteristic voltage level, and (ii) conductive with application of the voltage exceeding the characteristic voltage level. | 06-24-2010 |
20100159259 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL INCORPORATING P AND N TYPE MATERIAL - A composition of VSD material comprises a binder, and one or more types of particles that include a concentration of doped semiconductor particles. | 06-24-2010 |
20100187006 | Substrates Having Voltage Switchable Dielectric Materials - Various aspects provide for incorporating a VSDM into a substrate to create an ESD-protected substrate. In some cases, a VSDM is incorporated in a manner that results in the ESD-protected substrate meeting one or more specifications (e.g., thickness, planarity, and the like) for various subsequent processes or applications. Various aspects provide for designing a substrate (e.g., a PCB) incorporating a VSDM, and adjusting one or more aspects of the substrate to design a balanced, ESD-protected substrate. Certain embodiments include molding a substrate having a VSDM layer into a first shape. | 07-29-2010 |
20100187483 | VOLTAGE SWITCHABLE DIELECTRIC COMPOSITION USING BINDER WITH ENHANCED ELECTRON MOBILITY AT HIGH ELECTRIC FIELDS - A binder for VSD composition is selected to have enhanced electron mobility in presence of high electric fields. | 07-29-2010 |
20100243302 | COMPONENTS HAVING VOLTAGE SWITCHABLE DIELECTRIC MATERIALS - Various aspects provide for structures and devices to protect against spurious electrical events (e.g., electrostatic discharge). Some embodiments incorporate a voltage switchable dielectric material (VSDM) bridging a gap between two conductive pads. Normally insulating, the VSDM may conduct current from one pad to the other during a spurious electrical event (e.g., shunting current to ground). Some aspects include gaps having a gap width that is greater than 50% of a spacing between electrical leads connected to the pads. Some devices include single layers of VSDM. Some devices include multiple layers of VSDM. Various devices may be designed to increase a ratio of active volume (of VSDM) to inactive volume. | 09-30-2010 |
20100270588 | Formulations for voltage switchable dielectric material having a stepped voltage response and methods for making the same - Formulations for voltage switchable dielectric materials include two or more different types of semiconductive materials uniformly dispersed within a dielectric matrix material. The semiconductive materials are selected to have different bandgap energies in order to provide the voltage switchable dielectric material with a stepped voltage response. The semiconductive materials can comprise inorganic particles, organic particles, or an organic material that is soluble in, or miscible with, the dielectric matrix material. Formulations optionally can also include electrically conductive materials. At least one of the conductive or semiconductive materials in a formulation can comprise particles characterized by an aspect ratio of at least 3 or greater. | 10-28-2010 |
20100271831 | LIGHT-EMITTING DIODE DEVICE FOR VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING HIGH ASPECT RATIO PARTICLES - One or more embodiments provide for a light emitting diode device that utilizes voltage switchable dielectric material having semi-conductive or conductive materials that have a relatively high aspect ratio. | 10-28-2010 |
20100281453 | SYSTEM AND METHOD FOR INCLUDING PROTECTIVE VOLTAGE SWITCHABLE DIELECTRIC MATERIAL IN THE DESIGN OR SIMULATION OF SUBSTRATE DEVICES - A substrate device is designed by identifying one or more criteria for handling of a transient electrical event on the substrate device. The one or more criteria may be based at least in part on an input provided from a designer. From the one or more criteria, one or more characteristics may be determined for integrating VSD material as a layer within or on at least a portion of the substrate device. The layer of VSD material may be positioned to protect one or more components of the substrate from the transient electrical condition. | 11-04-2010 |
20100281454 | SYSTEM AND METHOD FOR INCLUDING PROTECTIVE VOLTAGE SWITCHABLE DIELECTRIC MATERIAL IN THE DESIGN OR SIMULATION OF SUBSTRATE DEVICES - A substrate device is designed by identifying one or more criteria for handling of a transient electrical event on the substrate device. The one or more criteria may be based at least in part on an input provided from a designer. From the one or more criteria, one or more characteristics may be determined for integrating VSD material as a layer within or on at least a portion of the substrate device. The layer of VSD material may be positioned to protect one or more components of the substrate from the transient electrical condition. | 11-04-2010 |
20100293951 | Hybrid Electric Power Motor, System, and Vehicle - A hybrid electrical motor includes a shaft, an electrical subsystem, and a gas subsystem. The electrical subsystem is operable to output a force that rotates the shaft. The gas subsystem is also operable to output a force that rotates the shaft. | 11-25-2010 |
20110058291 | GEOMETRIC CONFIGURATION OR ALIGNMENT OF PROTECTIVE MATERIAL IN A GAP STRUCTURE FOR ELECTRICAL DEVICES - an electrical device that includes a first electrode and a second electrode that are separated from one another so as to form a gap structure. A layer of protective material spans the gap structure to contact the first electrode and the second electrode. A dimension of the gap structure, corresponding to a separation distance between the first electrode and the second electrode, is varied and includes a minimum separation distance that coincides with a critical path of the layer of protective material between the first electrode and the second electrode. | 03-10-2011 |
20110062388 | Formulations for Voltage Switchable Dielectric Materials Having a Stepped Voltage Response and Methods for Making the Same - Formulations for voltage switchable dielectric materials include two or more different types of semiconductive materials uniformly dispersed within a dielectric matrix material. The semiconductive materials are selected to have different bandgap energies in order to provide the voltage switchable dielectric material with a stepped voltage response. The semiconductive materials may comprise inorganic particles, organic particles, or an organic material that is soluble in, or miscible with, the dielectric matrix material. Formulations optionally can also include electrically conductive materials. At least one of the conductive or semiconductive materials in a formulation can comprise particles characterized by an aspect ratio of at least 3 or greater. | 03-17-2011 |
20110132645 | GRANULAR VARISTOR AND APPLICATIONS FOR USE THEREOF - Embodiments described include a non-polymeric voltage switchable dielectric (VSD) material comprising substantially of a grain structure formed from only a single compound, processes for making same, and applications for using such non-polymeric VSD materials. | 06-09-2011 |
20110132647 | Substrates Having Voltage Switchable Dielectric Materials - Various aspects provide for incorporating a VSDM into a substrate to create an ESD-protected substrate. In some cases, a VSDM is incorporated in a manner that results in the ESD-protected substrate meeting one or more specifications (e.g., thickness, planarity, and the like) for various subsequent processes or applications. Various aspects provide for designing a substrate (e.g., a PCB) incorporating a VSDM, and adjusting one or more aspects of the substrate to design a balanced, ESD-protected substrate. Certain embodiments include molding a substrate having a VSDM layer into a first shape. | 06-09-2011 |
20110198544 | EMI Voltage Switchable Dielectric Materials Having Nanophase Materials - Various embodiments of the invention disclosed herein provide for adjusting the electrical response of a voltage switchable dielectric material by incorporating one or more nanophase materials. Various aspects provide for a VSDM having improved electrical and/or physical properties. In some cases, a VSDM may have improved (e.g., lower) leakage current at a given voltage. A VSDM may have improved resistance to ESD events, and may have improved resistance to degradation associated with protecting against an ESD event. | 08-18-2011 |
20110211289 | EMBEDDED PROTECTION AGAINST SPURIOUS ELECTRICAL EVENTS - Various disclosed aspects provide for protecting components (e.g., integrated circuits) from spurious electrical overvoltage events, such as electrostatic discharge. Embedded components with voltage switchable dielectric materials may protect circuits against electrostatic discharge. | 09-01-2011 |
20110211319 | Electric discharge protection for surface mounted and embedded components - Printed circuit boards including voltage switchable dielectric materials (VSDM) are disclosed. The VSDMs are used to protect electronic components, arranged on or embedded in printed circuit boards, against electric discharges, such as electrostatic discharges or electric overstresses. During an overvoltage event, a VSDM layer shunts excess currents to ground, thereby preventing electronic components from destruction or damage. | 09-01-2011 |
20110234363 | ELECTRONIC DEVICE FOR VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING HIGH ASPECT RATIO PARTICLES - One or more embodiments provide for a device that utilizes voltage switchable dielectric material having semi-conductive or conductive materials that have a relatively high aspect ratio for purpose of enhancing mechanical and electrical characteristics of the VSD material on the device. | 09-29-2011 |
20110317318 | CIRCUIT ELEMENTS COMPRISING FERROIC MATERIALS - Ferroic circuit elements that include a set of conductive structures that are at least partially embedded within a ferroic medium are disclosed. The ferroic medium may be a voltage switched dielectric material that includes ferroic particles in accordance with various embodiments. A ferroic circuit element may be at least partially embedded within a substrate in accordance with embodiments of the current invention as an embedded ferroic circuit element. An embedded ferroic circuit element that is an inductor in accordance with embodiments of the current invention may be denoted as an embedded ferroic inductor. An embedded ferroic circuit element that is a capacitor in accordance with embodiments of the current invention may be denoted as an embedded ferroic capacitor. | 12-29-2011 |
20120119168 | VOLTAGE SWITCHABLE DIELECTRIC MATERIALS WITH LOW BAND GAP POLYMER BINDER OR COMPOSITE - A composition is provided that includes a polymer binder, and one or more classes of particle constituents. At least one class of particle constituents includes semiconductive particles that individually have a band gap that is no greater than 2 eV. As VSD material, the composition is (i) dielectric in absence of a voltage that exceeds a characteristic voltage level, and (ii) conductive with application of said voltage that exceeds the characteristic voltage level. | 05-17-2012 |
20120202930 | FORMULATIONS FOR VOLTAGE SWITCHABLE DIELECTRIC MATERIALS HAVING A STEPPED VOLTAGE RESPONSE AND METHODS FOR MAKING THE SAME - Formulations for voltage switchable dielectric materials include two or more different types of semiconductive materials uniformly dispersed within a dielectric matrix material. The semiconductive materials are selected to have different bandgap energies in order to provide the voltage switchable dielectric material with a stepped voltage response. The semiconductive materials may comprise inorganic particles, organic particles, or an organic material that is soluble in, or miscible with, the dielectric matrix material. Formulations optionally can also include electrically conductive materials. At least one of the conductive or semiconductive materials in a formulation can comprise particles characterized by an aspect ratio of at least 3 or greater. | 08-09-2012 |
20120211773 | LIGHT-EMITTING DEVICES COMPRISING NON-LINEAR ELECTRICALLY PROTECTIVE MATERIAL - A circuit comprising an array of light emitting diodes (LEDs), and a layer of VSD material positioned to contact an input and an output of each LED in the array of LEDs, so as to protect each LED from both a forward surge and a reverse surge of voltage on the array of LEDs. The layer of VSD material is able to switch into a carrying current state in response to either of the forward or reverse surge exceeding a characteristic voltage level (V | 08-23-2012 |
20120212904 | FLEXIBLE CIRCUITS AND SUBSTRATES COMPRISING VOLTAGE SWITCHABLE DIELECTRIC MATERIAL - Embodiments described herein provide for flexible circuits and flexible substrates comprising VSD material that has superior characteristics for its use as an integral structural component of a device. | 08-23-2012 |
20120217450 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING BONDED PARTICLE CONSTITUENTS - A voltage switchable dielectric material comprising a concentration of multi-component particles that are individually formed by a mechanical or mechanochemical bonding process that bonds a semiconductive or conductive-type host particle with multiple insulative, conductive, or semi-conductive guest particles. | 08-30-2012 |
20120256721 | SUBSTRATE DEVICE OR PACKAGE USING EMBEDDED LAYER OF VOLTAGE SWITCHABLE DIELECTRIC MATERIAL IN A VERTICAL SWITCHING CONFIGURATION - A substrate device includes an embedded layer of VSD material that overlays a conductive element or layer to provide a ground. An electrode, connected to circuit elements that are to be protected, extends into the thickness of the substrate to make contact with the VSD layer. When the circuit elements are operated under normal voltages, the VSD layer is dielectric and not connected to ground. When a transient electrical event occurs on the circuit elements, the VSD layer switches instantly to a conductive state, so that the first electrode is connected to ground. | 10-11-2012 |
20120318569 | SUBSTRATES HAVING VOLTAGE SWITCHABLE DIELECTRIC MATERIALS - A method for designing a printed circuit board to meet a specification is described. A first voltage switchable dielectric material is placed in apposition with a first copper foil. A second voltage switchable dielectric material is placed in apposition with a second copper foil. An arcuate portion of the first copper foil is placed in apposition with a first side of an aluminum member, an adhesive substance being situated between the first copper foil and the first side of the aluminum member. An arcuate portion of the second copper foil in is placed apposition with a second side of the aluminum member, an adhesive substance being situated between the second copper foil and the second side of the aluminum member. | 12-20-2012 |