Ziaei
Afshin Ziaei, Vanves FR
Patent application number | Description | Published |
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20090231133 | ANTI-INTRUSION SYSTEM FOR PROTECTING ELECTRONIC COMPONENTS - The subject of the invention is an anti-intrusion system for protecting electronic components ( | 09-17-2009 |
20090236211 | RADIOFREQUENCY OR HYPERFREQUENCY MICRO-SWITCH STRUCTURE AND METHOD FOR PRODUCING ONE SUCH STRUCTURE - The micro-switch structure comprises, on a substrate | 09-24-2009 |
20090237173 | RADIOFREQUENCY OR HYPERFREQUENCY CIRCULATOR - A circulator with at least three ports (p | 09-24-2009 |
20090286491 | MEMS-based Radio Frequency Circulator - The invention relates to a circulator with at least three ports (p | 11-19-2009 |
20100231326 | MEMS Compact Switched Capacitor - A switched capacitor is characterized in that it comprises a series MEMS-type switch, the capacitor to be switched being integrated into the structure of the MEMS switch and being formed by an additional metal layer produced on part of the dielectric layer of the MEMS switch, the capacitance of the switched capacitor being set as a function of the area of the metal layer. | 09-16-2010 |
20110100793 | Capacitive Micro-Switch Comprising a Charge Drain Based on Oriented Nanotubes on the Bottom Electrode and Method of Fabrication - The invention relates to an electrostatic actuation micro-switch of capacitor type composed of two plates, the first of which is a flexible membrane and the second of which comprises at least one control electrode, the two plates being separated by a thickness of vacuum or gas and at least one layer of at least one electrical insulating material situated on the control electrode characterized in that it furthermore comprises a charge drain consisting of oriented conducting nanotubes on the surface of the said electrode, the said drain being overlaid with the said layer of electrical insulating material. The subject of the invention is also a method for fabricating the micro-switch according to the invention. | 05-05-2011 |
20130056751 | Method for Integrating MEMS Microswitches on Gan Substrates Comprising Electronic Power Components - Methods of fabrication of electronic modules comprise, on the one hand, power electronic components fabricated on a substrate made of gallium nitride (GaN) and, on the other hand, micro-switches using electrostatic activation of the MEMS (Micro Electro Mechanical System) type. The electronic components and the micro-switches are fabricated on a single gallium nitride substrate and the fabrication method comprises at least the following steps: fabrication of the power components on the gallium nitride substrate; deposition of a first common passivation layer on said components and on the substrate; fabrication of the micro-switches on said substrate. | 03-07-2013 |
Afshin Ziaei, Palaiseau FR
Patent application number | Description | Published |
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20150180108 | PASSIVE MICROELECTRONIC COMPONENTS, CAPABLE OF ALLOWING A RADIO-FREQUENCY OR HYPER-FREQUENCY SIGNAL TO TRAVEL IN A SINGLE DIRECTION - A passive radiofrequency microelectronic components for an integrated circuit which includes a dielectric substrate and at least one metal conductive layer positioned on said substrate. The conductive layer including at least one first metal conductive portion and a second metal conductive portion separated by an insulation. A microelectronic component according to the invention includes at least one graphene layer positioned so that a radiofrequency or hyperfrequency signal crosses said at least one graphene layer when it is transmitted between said first metal conductive portion and said second metal conductive portion, said graphene layer being able, when it is subject to an electric potential, to transmit said radiofrequency or hyperfrequency signal along a first direction and to attenuate said radiofrequency or hyperfrequency signal along a second direction opposite to said first direction. | 06-25-2015 |
Kam Ziaei, Santa Clara, CA US
Patent application number | Description | Published |
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20110082587 | SYSTEM WITH BRAKE TO LIMIT MANUAL MOVEMENT OF MEMBER AND CONTROL SYSTEM FOR SAME - A system includes a moveable member configured to permit a user to manually move at least a portion of the moveable member to permit an object coupled to the moveable member to be manipulated in space and thereby facilitate the performance of a task using the coupled object. The moveable member is configured to couple to at least a first object and a second object that is interchangeable with the first object and has a substantially different weight than the first object. A brake is configured to limit manual movement of at least the portion of the moveable member to inhibit manipulation in space of the coupled object, both when the moveable member is coupled to the first object and when the moveable member is coupled to the second object. | 04-07-2011 |
Reza Ziaei, Thornhill CA
Patent application number | Description | Published |
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20080256926 | DIFFUSER WITH IMPROVED EROSION RESISTANCE - A diffuser for a centrifugal compressor in a gas turbine engine, the diffuser including a diffuser ring having a series of bores defined therethrough to receive and direct air exiting the compressor, each bore being defined by a respective bore surface including a boride layer protecting the bore surface from erosion damage. | 10-23-2008 |
20090120522 | Fuel inlet with crescent shaped passage for gas turbine engines - An inlet tube within a gas turbine engine which includes a primary fuel channel and a secondary fuel channel formed in a cylindrical tube body. The secondary channel has a substantially crescent shaped cross-sectional area which is complementary in shape to the primary fuel channel, such as to maximize the combined fuel flow area through the primary and secondary fuel channels relative to an outer diameter of the cylindrical tube body. | 05-14-2009 |
20110311015 | FUEL CHANNEL ANNULUS SPACER - An annulus spacer for a fuel channel assembly of a nuclear reactor. The fuel channel assembly includes a calandria tube and a pressure tube positioned at least partially within the calandria tube. The annulus spacer includes a garter spring configured to surround a portion of the pressure tube to maintain a gap between the calandria tube and the pressure tube. The garter spring includes a first end and a second end. The annulus spacer also includes a connector coupled to the first end and the second end of the garter spring. The connector allows movement of the annulus spacer when the pressure tube moves relative to the calandria tube during thermal cycles of the fuel channel assembly. The annulus spacer further includes a girdle wire positioned substantially within the garter spring and configured to form a loop around the pressure tube. | 12-22-2011 |