Patents Examined by Ann Hoang
  • Patent number: 9728512
    Abstract: Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 8, 2017
    Assignee: Infineon Technologies AG
    Inventor: Cornelius Christian Russ
  • Patent number: 9657704
    Abstract: An electromagnetic relay for starting a motor of a starter includes a resistor to reduce an activation current that flows through the motor from a battery for activation of the motor, a relay contact that causes the starting current to flow while bypassing the resistor, a relay coil that forms an electromagnet when excited by energization, and a control circuit that controls an excited state of the relay coil for activation of the motor to open or close the relay contact, thus controlling energization of the motor from the battery via the resistor. The electromagnetic relay incorporates therein the control circuit.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: May 23, 2017
    Assignee: DENSO CORPORATION
    Inventors: Yoshiaki Suzuki, Mitsuhiro Murata
  • Patent number: 9650302
    Abstract: A method for producing an electrostatic chuck 10 includes the steps of (a) pouring a ceramic slurry containing a ceramic powder, a solvent, a dispersant, and a gelling agent into a first molding die 31 in which an electrostatic electrode precursor 24 is removably attached to an inner surface of the first molding die 31, gelatinizing the ceramic slurry by causing a chemical reaction of the gelling agent, and then removing the first molding die 31 to prepare an embedded-electrode-containing ceramic molded body 41X in which the electrostatic electrode precursor 24 is embedded in a first ceramic molded body 41; (b) preparing a second ceramic molded body 42; and (c) preparing a stacked calcined body 50 using the embedded-electrode-containing ceramic molded body 41X and the second ceramic molded body 42, and conducting hot-press firing of the stacked calcined body 50.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: May 16, 2017
    Assignee: NGK Insulators, Ltd.
    Inventors: Takuji Kimura, Takahiro Takahashi, Hirokazu Nakanishi
  • Patent number: 9634582
    Abstract: Provided is a detachable generator device which can change the installation location with ease and which can effectively use a solar cell to generate electric power. The detachable generator device includes: a film-like solar cell; and attaching/detaching means for allowing the film-like solar cell to be attached to and detached from an attachment object at an installation location. The attaching/detaching means includes an adhesive film having an attaching/detaching surface which develops Van der Waals force to enable repeated affixation, or an electrostatic chuck for forming an attaching/detaching surface by turning on/off a voltage source connected to an attraction electrode sandwiched between two insulating layers to freely develop electrostatic attraction on a surface of at least one of the insulating layers.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: April 25, 2017
    Assignee: CREATIVE TECHNOLOGY CORPORATION
    Inventors: Yoshiaki Tatsumi, Megumu Kawae, Hiroyuki Moriyama, Toshifumi Sugawara
  • Patent number: 9627879
    Abstract: An apparatus (100) for protecting a circuit (200) from an input volume comprises a switchable element (10) arranged to couple the input voltage (VIN) to the circuit (200) in response to a first control signal (DRV1) having a first value and to decouple the input voltage (VIN) from the circuit (200) in response to the first control signal (DRV1) having a second value. A monitor stage (20) compares a monitored voltage (VMON) to a threshold (VIN). A controller (30) provides the first control signal (DRV1) to the switchable element (10), the first control signal (DRV1) having the first value when the monitored voltage (VMON) is on one side of the threshold (VTH) and the second value when the monitored voltage (VMON) is on the other side of the threshold (VTH), wherein the first value is independent of the input voltage (VIN) and the second value is equal to the input voltage (VIN).
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: April 18, 2017
    Assignee: OPTIS CIRCUIT TECHNOLOGY, LLC
    Inventors: Marco Zamprogno, Alberto Minuti, Germano Nicollini
  • Patent number: 9608549
    Abstract: Embodiments of electrostatic chucks are provided herein. In some embodiments, an electrostatic chuck for retaining a substrate includes a base plate, a ceramic plate, supported by the base plate, having a substrate supporting surface, a first plurality of electrodes disposed within the ceramic plate having a first polarity, and a second plurality of electrodes disposed within the ceramic plate having a second polarity opposite from the first polarity, wherein the first and second plurality of electrodes are independently controllable to provide a desired chucking power and frequency.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: March 28, 2017
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Vijay D. Parkhe, Steven V. Sansoni, Cheng-Hsiung Matthew Tsai
  • Patent number: 9562508
    Abstract: An electromagnetic relay for starting a motor of a starter includes a resistor to reduce an activation current that flows through the motor from a battery for activation of the motor, a relay contact that causes the starting current to flow while bypassing the resistor, a relay coil that forms an electromagnet when excited by energization, and a control circuit that controls an excited state of the relay coil for activation of the motor to open or close the relay contact, thus controlling energization of the motor from the battery via the resistor. The electromagnetic relay incorporates therein the control circuit.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: February 7, 2017
    Assignee: DENSO CORPORATION
    Inventors: Yoshiaki Suzuki, Mitsuhiro Murata
  • Patent number: 9557389
    Abstract: A monitoring apparatus is connected, in parallel with a motor, to a plurality of power supply lines. Each of the power supply lines has a different phase. The monitoring apparatus includes a first isolator that selectively allows a first current to flow from a first power supply line to a second power supply line. A second isolator selectively allows a second current to flow from the second power supply line to a third power supply line. A control module controls the first isolator, controls the second isolator, and receives a first signal corresponding to a total current. The total current includes both the first current and the second current. The control module selectively generates a phase failure signal in response to the first signal indicating that a failure of at least one of the power supply lines has occurred.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: January 31, 2017
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Yunfeng Wu, Yongbing Wang
  • Patent number: 9552915
    Abstract: A polymorphic surface may be provided by applying at least one magnetic field across a plurality of movable surface contour elements and selectively passing a current through the magnetic field(s) adjacent selected surface contour elements, with the current being perpendicular to the magnetic field. The current interacts with the magnetic field to generate a Lorentz force driving guided substantially linear motion of the respective surface contour element(s). The surface contour elements may be individually moveable and individually selectable for application of current to generate movement. The surface contour elements may be supported in position after removing the current. The current applied across each selected surface contour element may be varied to control the amount of guided substantially linear motion.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: January 24, 2017
    Assignee: Maieutic Enterprises Inc.
    Inventors: Asif Khan, Nemanja Kliska, Nicholas George Vardy, Alexander Steven Ross
  • Patent number: 9548738
    Abstract: In accordance with some embodiments, an electrostatic discharge (ESD) protection circuit for high-voltage power rails includes an RC-triggered clamp having an RC-circuit having a resistor coupled between a first node and a second node, and a capacitor coupled between the second node and a third node. The RC-triggered clamp also has a transistor with a first source/drain, a gate, and a second source/drain, wherein the first source/drain is coupled to the first node, and the second source/drain is coupled to the third node. The RC-triggered clamp also has an inverter, wherein an input of the inverter is coupled to the second node, and an output of the inverter is coupled to the gate of the transistor. The ESD protection circuit also includes one or more forward-biased diodes coupled in series between a supply node and the first node.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: January 17, 2017
    Assignee: XILINX, INC.
    Inventor: James Karp
  • Patent number: 9538810
    Abstract: An electrostatic discharge shoe grounding accessory comprises an attachment mechanism (2) and a fastening mechanism, wherein, the attachment mechanism (2) is a U-shape holder attached to the back wall of an opening rim of the shoe, and the fastening mechanism includes at least one smaller loop through (5) which a front portion of the shoe is hitched. An electrostatic discharge shoe assembly comprises a shoe and the electrostatic discharge shoe grounding accessory.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: January 10, 2017
    Assignee: ESD TECHNOLOGY CONSULTING & LICENSING CO., LTD
    Inventor: Kek Hing Kow
  • Patent number: 9543187
    Abstract: In accordance with an embodiment of the invention, there is provided an electrostatic chuck comprising an electrode, and a surface layer activated by a voltage in the electrode to form an electric charge to electrostatically clamp a substrate to the electrostatic chuck. The surface layer includes a plurality of protrusions extending to a height above portions of the surface layer surrounding the protrusions to support the substrate upon the protrusions during electrostatic clamping of the substrate. The protrusions are substantially equally spaced across the surface layer as measured by a center to center distance between pairs of neighboring protrusions.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: January 10, 2017
    Assignee: Entegris, Inc.
    Inventor: Richard A. Cooke
  • Patent number: 9543745
    Abstract: An arrester bypass device can include a switch having an normal state and an operated state. The arrester bypass device can also include a first electrode mechanically coupled to the switch, where the first electrode is held when the switch is in the normal state and released when the switch is in the operated state. The arrester bypass device can also include a second electrode positioned in line with the first electrode, wherein the first electrode contacts the second electrode when the switch is in the operated state. The arrester bypass device can further include a ground strap having a first end and a second end, where the first end is mechanically coupled to the plunger, and where the second end is mechanically coupled to an electrical ground.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: January 10, 2017
    Assignee: COOPER TECHNOLOGIES COMPANY
    Inventors: Michael M. Ramarge, Jeremy L. Martin, Jonathan J. Woodworth, Timothy S. Smith
  • Patent number: 9543181
    Abstract: A replaceable electrostatic chuck sidewall shield is provided. The replaceable electrostatic chuck sidewall shield fills or partially fills an indentation located between a base member and a top member of an electrostatic chuck, such that the replaceable electrostatic chuck sidewall shield may protect an epoxy in the indentation or may replace the epoxy within the indentation. The replaceable electrostatic chuck sidewall shield may be fully contained with the indentation. The replaceable electrostatic chuck sidewall shield may also cover an epoxy in the indentation such that the replaceable electrostatic chuck sidewall shield protrudes beyond the indentation. In an alternate embodiment, the replaceable electrostatic chuck sidewall shield substantially covers the area in which a conductive pole is embedded in a bipolar electrostatic chuck.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: January 10, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsi-Shui Liu, Yeh-Chieh Wang, Jiun-Rong Pai
  • Patent number: 9543182
    Abstract: An electrostatic chuck device including: a plurality of adsorption areas having an electrode generating electrostatic attractive force; and a control portion controlling the electrostatic attractive force against each of the plurality of the adsorption areas independently of other adsorption areas.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: January 10, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akira Furuya, Takamitsu Kitamura
  • Patent number: 9537300
    Abstract: A load driving device includes a driving switching element, an interrupting part, a short-circuiting switching element, and a protecting element. The driving switching element drives a load by controlling energization to the load. The interrupting part is disposed on an energizing path to the load. The interrupting part is not melted by a driving current to the load and is melted by an interrupting current larger than the driving current so as to interrupt energization to the load. The short-circuiting switching element is connected in parallel with the load and applies the interrupting current to the interrupting part. The protecting element protects the short-circuiting switching element.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: January 3, 2017
    Assignee: DENSO CORPORATION
    Inventors: Satoshi Nishimoto, Toru Itabashi, Yuki Mikami, Ryoichi Shiraishi
  • Patent number: 9537307
    Abstract: An example, overvoltage protection device includes a switch and a surge protection device that is selectively activated by actuating the switch. The switch is actuated in response to a voltage. An example method of absorbing an overvoltage includes sensing a voltage, and selectively activating a surge protection device in response to the sensed voltage.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: January 3, 2017
    Assignee: Hamilton Sundstrand Corporation
    Inventors: John Duward Sagona, Vietson M. Nguyen, Donal E. Baker, Randall Bax
  • Patent number: 9537333
    Abstract: A voltage supply system having a first battery with a first anode and a first cathode, and a contactor coupled in series between the first anode and an electrical node is provided. The system includes a first voltage sensor generating a signal indicative of a first voltage level of the first battery, and a second voltage sensor generating a signal indicative of a second voltage level between the electrical node and the first cathode. The system includes a DC-DC voltage converter coupled between the electrical node and the first cathode; and a second battery, and a microprocessor. The microprocessor disables operation of the DC-DC voltage converter such that the converter does not apply a voltage to the second battery, if both the first voltage level is substantially equal to the second voltage level, and the first voltage level is less than a first threshold voltage level.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: January 3, 2017
    Assignee: LG Chem, Ltd.
    Inventor: Alexander Jeffrey Smith
  • Patent number: 9536869
    Abstract: An electrostatic discharge protection apparatus comprises a stack arrangement having a first electrostatic discharge protection element and a second electrostatic discharge protection element. The stack arrangement is arranged to provide a bias potential between the first and second electrostatic discharge protection elements. In one embodiment, the bias potential can be achieved by a clamp arrangement coupled across the stack arrangement.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: January 3, 2017
    Assignee: NXP USA, Inc.
    Inventors: Patrice Besse, Eric Rolland
  • Patent number: 9435841
    Abstract: A method of protecting devices within an integrated circuit during electro-static discharge (ESD) testing using an ESD test system is provided. The method includes applying a direct current (DC) bias voltage to an input of at least one device of the integrated circuit and applying an ESD simulated signal to at least one other input of the integrated circuit. The applied ESD simulated signal is conducted along a first current path to a first ground, while a low-current signal associated with the at least one device is conducted along a second current path to the second ground. The DC bias voltage is maintained between the input of the at least one device and the second ground at a substantially constant value in response to a signal variation on the second ground that results from the applied ESD simulated signal.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: September 6, 2016
    Assignee: International Business Machines Corporation
    Inventors: Shunhua Chang, James Paul Di Sarro, Robert J. Gauthier, Jr., Nathan Jack, Souvick Mitra