Patent application number | Description | Published |
20090109600 | Oblong electrochemical double layer capacitor - An oblong electrochemical double-layer capacitor is disclosed having a modified jelly roll design and having a plurality of fingers extending from each electrode in substantially the same direction. A packaged electrochemical double-layer capacitor is also disclosed comprising the oblong electrochemical double-layer capacitor having a modified jelly roll design. A method for manufacturing an oblong electrochemical double-layer capacitor having a modified jelly roll design is also disclosed. | 04-30-2009 |
20110001424 | SEAL FOR LIGHT EMITTING DISPLAY DEVICE, METHOD, AND APPARATUS - A glass package is disclosed comprising a first substrate and a second substrate, where the substrates are attached in at least two locations, at least one attachment comprising a frit, and at least one attachment comprising a polymeric adhesive and wherein the frit comprises a glass portion comprising: a base component comprising and at least one absorbing component. Also disclosed is a method of sealing a light emitting display device comprising providing a light emitting layer, a first substrate and a second substrate, where a frit is deposited between the substrates and a polymeric adhesive is deposited either between the substrates or around the edge of the device, and where the frit is sealed with a radiation source and the polymeric adhesive is cured. | 01-06-2011 |
20110070493 | CURRENT COLLECTORS HAVING TEXTURED COATING - A current collector and an electric double layer capacitor including a current collector. The current collector has a conductive layer with an electrode-facing surface and an opposing second surface, each surface having an area, and a textured coating formed over and in contact with at least a majority of the electrode-facing surface. | 03-24-2011 |
20110292569 | MULTI-LAYERED ELECTRODE FOR ULTRACAPACITORS - A multi-layer electrode includes a current collector having opposing first and second major surfaces, a fused carbon layer formed over one or both of the major surfaces, a conductive adhesion layer formed over each fused carbon layer, and an activated carbon layer formed over each conductive adhesive layer. The multi-layer electrode can be incorporated into a high energy density, high power density device such as an electric double layer capacitor. | 12-01-2011 |
20120043120 | Dual-Layer Method of Fabricating Ultracapacitor Current Collectors - A method of making a multi-layer current collector comprises forming a first layer from a first formulation over each major surface of a current collector substrate, and forming a second layer from a second formulation over each of the first layers, wherein one of the first formulation and second formulation is a graphite formulation and the other of the first formulation and second formulation is a carbon black formulation. | 02-23-2012 |
20120218680 | Ultracapacitor Package Design - A terminal plate for an ultracapacitor package is formed from a single sheet of conductive material and comprising a plurality of bent tabs extending in a direction substantially orthogonal to a first main surface of the terminal plate. The terminal plate is configured to provide direct metallurgical contact between external terminals of the ultracapacitor package and the respective terminals of an electrode set that is incorporated into the package. | 08-30-2012 |
20120257326 | Ultracapacitor With Improved Aging Performance - An electric double layer capacitor comprises first and second electrodes, each comprising respective first and second carbon materials having distinct pore size distributions. A pore volume ratio of the first carbon material is greater than a pore volume ratio of the second carbon material. The pore volume ratio R is defined as R=V | 10-11-2012 |
20140016246 | ULTRACAPACITOR WITH IMPROVED AGING PERFORMANCE - An electric double layer capacitor comprises first and second electrodes, each comprising respective first and second carbon materials having distinct pore size distributions. A pore volume ratio of the first carbon material is greater than a pore volume ratio of the second carbon material. The pore volume ratio R is defined as R=V1/V, where V1 is a total volume of pores having a pore size of less than 1 nm, and V is a total volume of pores having a pore size greater than 1 nm. | 01-16-2014 |
20140056798 | MICROWAVE ENERGY-ASSISTED, CHEMICAL ACTIVATION OF CARBON - A method for forming activated carbon comprises forming a feedstock mixture from a carbon feedstock and a chemical activating agent, and heating the feedstock mixture with microwaves in a plurality of successive heating steps to react the carbon feedstock with the chemical activating agent and form activated carbon. Step-wise heating can be used to efficiently control the microwave activation process. | 02-27-2014 |
20140210129 | METHOD FOR MANUFACTURING CARBON ELECTRODE MATERIAL - A method of extruding a dry mixture includes providing mixing materials to a twin screw extruder. The mixing materials are substantially dry and may include a substantially unfibrillated binder and a carbon material. The method includes extruding the mixing materials via a twin screw extruder to form an extruded mixture that is substantially dry. In one embodiment, the substantially dry mixture exiting the extruder may be further processed to form an electrode material, such as by a calendaring step. | 07-31-2014 |
20150055275 | CERAMIC SEPARATOR FOR ULTRACAPACITORS - A separator such as for an electrochemical double layer capacitor includes acicular inorganic particles that are dried to form a porous membrane. Example inorganic particles are calcium silicate particles. A deposition method implementing slurry that includes the acicular inorganic particles and a dispersing medium along with a binder material can be used to form the separator layer directly on electrode materials. | 02-26-2015 |
20150062779 | EDLC ELECTRODE AND MANUFACTURING PROCESS THEREOF - A method of forming a carbon-based electrode includes forming a mixture of activated carbon particles, carbon black particles, binder, and an optional liquid, fibrillating the binder to form a fibrillated mixture, and forming a carbon mat from the fibrillated mixture, wherein the mixture, during the forming of the mixture, is maintained at a temperature less than 19° C. The low temperature process facilitates dispersive and distributive mixing of the components of the carbon mat. | 03-05-2015 |
20150143680 | ULTRACAPACITOR VACUUM ASSEMBLY - A method for fabricating an EDLC includes (a) coating a porous activated carbon material onto current collector sheets to form carbon-based electrodes, (b) drying the carbon-based electrodes, (c) winding or stacking carbon-based electrodes interleaved with separator sheets to fabricate a jelly roll or prismatic electrode assembly, (d) inserting the electrode assembly into a package and forming electrical connections between the electrode assembly and package terminals, (e) filling the package with a liquid electrolyte, and (f) sealing the package. Steps (a)-(f) are performed in an atmosphere having a low moisture content. The atmosphere may be vacuum or purged with dry gas. | 05-28-2015 |
Patent application number | Description | Published |
20120159406 | TASK-BASED MULTI-PROCESS DESIGN SYNTHESIS WITH REPRODUCIBLE TRANSFORMS - A task-based multi-process design synthesis methodology is reproducible, and relies on a plurality of child processes to assist a parent process in performing optimizations on an integrated circuit design. Objects from an integrated circuit design are grouped into subsets and assigned to child processes, with each child process performing a transform on each of the objects in the subset assigned to that child process and determining which of the objects in the subset are candidate objects for which performance of the transform has been successful. Each child process also undoes the transform performed for each object such that the same initial state of the integrated circuit design is used to perform each transform. In addition, the parent process tracks the results of performing the transform by each child process, and applies successful transforms in a controlled sequence. | 06-21-2012 |
20120159417 | TASK-BASED MULTI-PROCESS DESIGN SYNTHESIS - A task-based multi-process design synthesis methodology relies on a plurality of child processes to assist a parent process in performing optimizations on an integrated circuit design. Objects from an integrated circuit design are grouped into subsets and assigned to child processes, with each child process performing a transform on each of the objects in the subset assigned to that child process and determining which of the objects in the subset are candidate objects for which performance of the transform has been successful. The child processes then notify the parent process of those objects that qualify as candidate objects, so that the parent process only has to perform the transform on the candidate objects, thereby relieving the parent process from the overhead associated with performing the transform on non-candidate objects for which the transform has been determined by the child processes as not being successful. | 06-21-2012 |
20130086545 | EVALUATING ROUTING CONGESTION BASED ON AVERAGE GLOBAL EDGE CONGESTION HISTOGRAMS - Global routing congestion in an integrated circuit design is characterized by computing global edge congestions and constructing a histogram of averages of the global edge congestions for varying percentages of worst edge congestion, e.g., 0.5%, 1%, 2%, 5%, 10% and 20%. Horizontal and vertical global edges are handled separately. Global edges near blockages can be skipped to avoid false congestion hotspots. The histogram of the current global routing can be compared to a histogram for a previous global routing to select a best routing solution. The histograms can also be used in conjunction with congestion-driven physical synthesis tools. | 04-04-2013 |
20130185691 | TASK-BASED MULTI-PROCESS DESIGN SYNTHESIS - A task-based multi-process design synthesis methodology relies on a plurality of child processes to assist a parent process in performing optimizations on an integrated circuit design. Objects from an integrated circuit design are grouped into subsets and assigned to child processes, with each child process performing a transform on each of the objects in the subset assigned to that child process and determining which of the objects in the subset are candidate objects for which performance of the transform has been successful. The child processes then notify the parent process of those objects that qualify as candidate objects, so that the parent process only has to perform the transform on the candidate objects, thereby relieving the parent process from the overhead associated with performing the transform on non-candidate objects for which the transform has been determined by the child processes as not being successful. | 07-18-2013 |
Patent application number | Description | Published |
20130306081 | Neonatal Medical Apparatus and Methods - A body restraint apparatus preferably includes an anchor cloth, waist straps, upper limb straps, a shoulder roll, a head support roll, lower limb straps, thigh straps, and calf straps to restrain a neonate in a frog leg position during medical procedures or transport. In some embodiments, an ankle stabilizer provides additional support for the body restraint apparatus. A CPAP restraint apparatus preferably includes an anchor cloth, forehead straps, lip straps, chin straps, and an orogastric tube holder to stabilize the CPAP tubing, the orogastric tubing, and the chin of a neonate receiving CPAP. In some embodiments, an upper limb restraint apparatus provides additional support for the CPAP restraint apparatus. The apparatus are preferably made of non-elastic baby-friendly cloth with hook and loop fasteners. The apparatus may alternatively be designed and sized for use on children or adults during medical procedures, for transport, or during administration of CPAP. | 11-21-2013 |
20130327337 | Neonatal Endotracheal Tube with Monolithic Secure Guard - A secure guard for an endotracheal tube includes a base ring, and a short gripper, a long gripper, and an upper lip bar each extending from the base ring. The short gripper and the long gripper each includes a flexible neck extending from the base ring and a gripping portion extending from the flexible neck. Each gripping portion includes a first gripping projection and a second gripping projection forming an opening separated by a gap to permit insertion of the endotracheal tube laterally into the opening. The gripping portions preferably include projections to contact the endotracheal tube and prevent sliding of the tube with respect to the guard. The upper lip bar includes an upper lip bar body and an upper lip adhesive strip coupled to the upper lip bar body. In some embodiments, the secure guard is sized to fit a neonate. | 12-12-2013 |
Patent application number | Description | Published |
20150035402 | SPOKE PERMANENT MAGNET MACHINE WITH REDUCED TORQUE RIPPLE AND METHOD OF MANUFACTURING THEREOF - An internal permanent magnet machine includes a rotor assembly having a shaft comprising a plurality of protrusions extending radially outward from a main shaft body and being formed circumferentially about the main shaft body and along an axial length of the main shaft body. A plurality of stacks of laminations are arranged circumferentially about the shaft to receive the plurality of protrusions therein, with each stack of laminations including a plurality of lamination groups arranged axially along a length of the shaft and with permanent magnets being disposed between the stacks of laminations. Each of the laminations includes a shaft protrusion cut formed therein to receive a respective shaft protrusion and, for each of the stacks of laminations, the shaft protrusion cuts formed in the laminations of a respective lamination group are angularly offset from the shaft protrusion cuts formed in the laminations in an adjacent lamination group. | 02-05-2015 |
20150084471 | SENSORLESS ELECTRIC MACHINE - An electric machine that includes a rotor core made of magnetic steel; a stator configured with stationary windings therein; openings disposed within or on the rotor core; and a rotor circuit that is configured to introduce saliency based on an orientation of part of the rotor circuit in relationship to a pole location of the electric machine, where the rotor circuit is made of a conductive, non-magnetic material. A rotor component and various embodiments of electric machines are also disclosed. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims. | 03-26-2015 |
20150108868 | TORQUE RIPPLE REDUCTION IN ELECTRIC MACHINES - An electric machine, such as an Internal Permanent magnet or Synchronous Reluctance machine, having X phases, that includes a stator assembly, having M slots, with a stator core and stator teeth, that is further configured with stator windings to generate a stator magnetic field when excited with alternating currents and extends along a longitudinal axis with an inner surface that defines a cavity; and a rotor assembly, having N poles, disposed within the cavity which is configured to rotate about the longitudinal axis, wherein the rotor assembly includes a shaft, a rotor core located circumferentially around the shaft. The machine is configured such that a value k=M/(X*N) wherein k is a non-integer greater than about 1.3. The electric machine may alternatively, or additionally, include a non-uniformed gap between the exterior surface of the rotor spokes and the interior stator surface of the stator. | 04-23-2015 |
20150115757 | SYSTEM AND METHOD FOR HEATING FERRITE MAGNET MOTORS FOR LOW TEMPERATURES - A system and method for heating ferrite permanent magnets in an electrical machine is disclosed. The permanent magnet machine includes a stator assembly and a rotor assembly, with a plurality of ferrite permanent magnets disposed within the stator assembly or the rotor assembly to generate a magnetic field that interacts with a stator magnetic field to produce a torque. A controller of the electrical machine is programmed to cause a primary field current to be applied to the stator windings to generate the stator magnetic field, so as to cause the rotor assembly to rotate relative to the stator assembly. The controller is further programmed to cause a secondary current to be applied to the stator windings to selectively generate a secondary magnetic field, the secondary magnetic field inducing eddy currents in at least one of the stator assembly and the rotor assembly to heat the ferrite permanent magnets. | 04-30-2015 |
20150123506 | MODULAR PERMANENT MAGNET MOTOR AND PUMP ASSEMBLY - A permanent magnet machine, a rotor assembly for the machine, and a pump assembly. The permanent magnet machine includes a stator assembly including a stator core configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity and a rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets configured as one of internal or surface mounted. The rotor assembly also including a plurality of retaining clips configured to retain the plurality of permanent magnets relative to the rotor core. The pump assembly including an electric submersible pump and a permanent magnet motor for driving the pump. | 05-07-2015 |
Patent application number | Description | Published |
20090134016 | UNDERBUMP METALLURGY EMPLOYING SPUTTER-DEPOSITED NICKEL TITANIUM COPPER ALLOY - A metallic adhesion layer is formed on a last level metal plate exposed in an opening of a passivation layer. A Ni—Cu alloy in which the weight percentage of Ni is from about 50% to about 70% is deposited by sputtering onto the metallic adhesion layer to form an underbump metallic layer. Optionally, a wetting layer comprising Cu or Au may be deposited by sputtering. A C4 ball is applied to a surface of the underbump metallic layer comprising the Ni—Cu alloy or the wetting layer for C4 processing. The sputter deposition of the Ni—Cu alloy offers economic advantages relative to known methods in the art since the Ni—Cu alloy in the composition of the present invention is non-magnetic and easy to sputter, and the consumption of the inventive Ni—Cu alloy is limited during C4 processing. | 05-28-2009 |
20090140423 | UNDERBUMP METALLURGY EMPLOYING SPUTTER-DEPOSITED NICKEL TITANIUM ALLOY - A a metallic adhesion layer is formed on a last level metal plate exposed in an opening of a passivation layer. A Ni—Ti alloy in which the weight percentage of Ti is from about 6.5% to about 30% is deposited by sputtering onto the metallic adhesion layer to form an underbump metallic layer. A wetting layer comprising Cu or Ag or Au is deposited on top of Ni—Ti layer by sputtering. A C4 ball is applied to a surface of the wetting layer for C4 processing. The sputter deposition of the Ni—Ti alloy offers economic and performance advantages relative to known methods in the art since the Ni—Ti alloy in the composition of the present invention is non-magnetic and easy to sputter, and the consumption of the inventive Ni—Ti alloy is limited during C4 processing. Also, Sn in the solder reacts uniformly with both Ni and Ti and the consumption of Ni—Ti by Sn solder is less than that for pure Ni. | 06-04-2009 |
20120202343 | METHOD OF FORMING UNDERBUMP METALLURGY STRUCTURE EMPLOYING SPUTTER-DEPOSITED NICKEL COPPER ALLOY - A metallic adhesion layer is formed on a last level metal plate exposed in an opening of a passivation layer. A Ni—Cu alloy in which the weight percentage of Ni is from about 50% to about 70% is deposited by sputtering onto the metallic adhesion layer to form an underbump metallic layer. Optionally, a wetting layer comprising Cu or Au may be deposited by sputtering. A C4 ball is applied to a surface of the underbump metallic layer comprising the Ni—Cu alloy or the wetting layer for C4 processing. The sputter deposition of the Ni—Cu alloy offers economic advantages relative to known methods in the art since the Ni—Cu alloy in the composition of the present invention is non-magnetic and easy to sputter, and the consumption of the inventive Ni—Cu alloy is limited during C4 processing. | 08-09-2012 |
20130249066 | ELECTROMIGRATION-RESISTANT LEAD-FREE SOLDER INTERCONNECT STRUCTURES - Embodiments of the invention include a lead-free solder interconnect structure and methods for making a lead-free interconnect structure. The structure includes a semiconductor substrate having a last metal layer, a copper pedestal attached to the last metal layer, a barrier layer attached to the copper pedestal, a barrier protection layer attached to the barrier layer, and a lead-free solder layer contacting at least one side of the copper pedestal. | 09-26-2013 |
20130252418 | ELECTROMIGRATION-RESISTANT LEAD-FREE SOLDER INTERCONNECT STRUCTURES - Embodiments of the invention include a lead-free solder interconnect structure and methods for making a lead-free interconnect structure. The structure includes a semiconductor substrate having a last metal layer, a copper pedestal attached to the last metal layer, a barrier layer attached to the copper pedestal, a barrier protection layer attached to the barrier layer, and a lead-free solder layer contacting at least one side of the copper pedestal. | 09-26-2013 |