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7626681 |
Lithographic apparatus and method
According to an aspect of the present invention, there is provided a lithographic apparatus that includes a substrate carrier arranged to hold a substrate in position using an electrostatic force....
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7621471 |
High voltage module with gas dielectric medium or vacuum
An electrostatic spray gun includes a power supply, an enclosure having a wall and a valve providing access through the wall to evacuate the enclosure. Components of the power supply are housed in...
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7619870 |
Electrostatic chuck
An electrostatic chuck device includes an electrostatic chuck section including a substrate and a power supply terminal for applying a DC voltage to an electrostatic-adsorption inner electrode; and...
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7612981 |
Ion generator and neutralizer
The present invention is relating to an ion generator and an ionizer, in which the ion generator can obtain stable ion generation even if the electrode and the power supply slightly change,...
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7608196 |
Method of forming high aspect ratio apertures
A plasma etch process for etching a dielectric material employing two primary etchants at low flows and pressures, and a relatively low temperature environment within the etch chamber. The two...
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7594958 |
Spark management method and device
A spark management device includes a high voltage power source and a detector configured to monitor a parameter of an electric current provided to a load device. In response to the parameter, a...
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7564673 |
Control circuit for converters
A converter circuit, in particular having a class E converter, comprising a drive circuit for a switching transistor MOS1 having two series-connected components which operate as a function of the...
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7553353 |
System for treating contaminated gas
A system for decontaminating a gas is provided. The system includes: a passageway containing at least one set of two or three electrodes. If the set contains three electrodes, it has two outer...
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7547353 |
Pulse generating system for electrostatic precipitator
The invention relates to a pulse generating system for generating high voltage pulses to energize an electrostatic precipitator ( 10 ), the system including: a first power supply ( 1 ) and a second...
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7497893 |
Method of electrostatic acceleration of a fluid
A method for handling a fluid may be incorporated into the operation of, for example, a corona discharge device and an electric power supply. Such a corona discharge device typically includes at...
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7405919 |
Electronic circuit having transmission line type noise filter
A power supply circuit produces a supply voltage to be supplied to a microprocessor which is an integrated circuit. A transmission line type noise filter includes a signal input terminal, a signal...
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7352554 |
Method for fabricating a Johnsen-Rahbek electrostatic wafer clamp
The present invention is directed to a J-R electrostatic clamp (ESC) and method for forming same. The ESC comprises a ceramic layer for clamping a wafer thereto, and a plurality of electrodes...
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7327549 |
Systems and methods for target impact
An apparatus for impact with a target includes electrodes deployed after contact is made between the apparatus and the target. Spacing of deployed electrodes may be more accurate and/or more...
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7324772 |
Point-of-load design for high voltage AC power supplies
An electrophotographic document production device having a transformerless high voltage power supply located distal to its load and a transformer at the point of load.
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7285155 |
Air conditioner device with enhanced ion output production features
The present invention provides an air treatment device including a housing, an emitter electrode configured within the housing and a collector electrode configured within the housing and positioned...
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7280340 |
Systems and methods for immobilization
Systems and methods for immobilizing a target such as a human or animal with a stimulus signal coupled to the target via electrodes provide the stimulus signal in accordance with a strike stage, a...
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7177133 |
Method and apparatus for bipolar ion generation
A method and apparatus for generating positive and negative ions, the method comprising: generating ac high voltage; providing different polarity of the high-voltage to at least one pair of...
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7163641 |
Method of forming high aspect ratio apertures
A plasma etch process for etching BPSG employing two primary etchants at low flows and pressures, and a relatively low temperature environment within the etch chamber, which includes a fluorine...
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7120007 |
Ion generating unit
An ion generating unit is made compact, yet avoids the undesired arc discharge for successfully generating the ions. The ion generating unit includes a dielectric base having a length and carrying...
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7075772 |
Electrostatic gripping device
An electrostatic gripper for moving wafers includes bipolar electrodes with an insulating layer of zirconium oxide, which are positioned on a circuit board. The gripper is produced by a pressing...
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6947274 |
Clamping and de-clamping semiconductor wafers on an electrostatic chuck using wafer inertial confinement by applying a single-phase square wave AC clamping voltage
The present invention is directed to a method for clamping a wafer to an electrostatic chuck using a single-phase square wave AC clamping voltage. The method comprises determining a single-phase...
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6937455 |
Spark management method and device
A spark management device includes a high voltage power source and a detector configured to monitor a parameter of an electric current provided to a load device. In response to the parameter, a...
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6924724 |
Method and apparatus for transformer bandwidth enhancement
A method and apparatus for transformer bandwidth enhancement is disclosed. In one embodiment, a transformer is provided for use in a high frequency communication environment. In one configuration,...
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6888314 |
Electrostatic fluid accelerator
An electrostatic fluid accelerator having a multiplicity of closely spaced corona electrodes. The close spacing of such corona electrodes is obtainable because such corona electrodes are isolated...
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6829130 |
Power supply apparatus for supplying electric power to substrate carrier container
A power supply apparatus supplies electric power to a substrate carrier container having a rechargeable cell. The power supply apparatus comprises a body for seating a substrate carrier container...
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6826030 |
Method of offset voltage control for bipolar ionization systems
A method of offset voltage control for pulse mode ionization systems is provided wherein the ionization system has positive and negative power supplies. The duty cycle and overlap of outputs of the...
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6741444 |
Apparatus for charging a substrate and an image forming apparatus comprising an apparatus of this kind
An apparatus for charging a substrate including a dielectric substrate, a support member having a first end and a second end between which the member extends substantially parallel to the...
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6724014 |
High-voltage hybrid circuit
A hybrid semiconductor circuit adjustable by a control current for controlling voltage comprising a single high-voltage reversely polarized diode surrounded by at least two diodes emitting infrared...
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6690897 |
Charging device having rotatable charging roller and DC voltage applying means or source
A charging device includes a rotatable elastic charging roller, contactable to a member to be charged, for electrically charging the member to be charged. The charging device also includes a DC...
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6667875 |
Pulse generator for generating a voltage pulse and corresponding method
A pulse generator produces a voltage pulse for an inductive or capacitive load, in particular for an electrostatic dust extractor, having an energy-storage capacitor which is connected in series...
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6660665 |
Platen for electrostatic wafer clamping apparatus
A platen for electrostatic wafer clamping apparatus comprising a platen body of dielectric material and grains of electrically conductive material diffused in the dielectric material so that the...
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6646856 |
Apparatus for removing static electricity using high-frequency high AC voltage
A static electricity removal apparatus capable of raising an alternating rate at which ions are generated according to the speed of an object requiring static electricity removal using a...
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6628499 |
Charging apparatus of printer
A charging apparatus of a printer for charging a photoreceptor medium to a predetermined electric potential which includes a first electrode and a second electrode separated a predetermined...
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6564023 |
Image forming apparatus with AC current detector
An image forming apparatus includes an image bearing member and a charge member for electrically charging the image bearing member while contacting the image bearing member. An oscillating voltage,...
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6539184 |
Image forming apparatus with current control
An image forming apparatus includes an image bearing member and a charge member contacted to the image bearing member for electrically charging the image bearing member. An oscillating voltage...
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6471752 |
Ionizing structure for ambient air treatment
An ionizing structure for ambient air treatment wherein the structure, optionally having ceiling-mounting provisions, incorporates an ionizing element forwardly directed in the direction of airflow...
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6437964 |
Capacitive element driving apparatus
In a capacitive element driving apparatus which changes, by an output circuit, the electrode potentials of the electrostatic capacitive element of a transducer forming a capacitive load such as a...
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6375714 |
Device and process to produce active oxygen ions in the air for improved air quality
The invention relates to a device for producing active oxygen ions in the air for improved air quality, comprising at least one air ionizer and an electric transformer producing sufficient...
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6349024 |
DC biased AC corona charging
In one corona charging arrangement described in the specification, a coronode supplied with AC voltage is contacted by an insulating member in the form of a mesh of insulating filaments or an...
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6339691 |
Image forming apparatus with a constant-current power supply
An image forming apparatus includes a constant-current power supply to supply operation currents to a charging unit and a removing unit, and keep the total of the operation currents at a...
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6330161 |
Rotatable removable computer power supply
A computer is disclosed having a power supply assembly that may be rotated into a first position for operating the computer, rotated into a second position for servicing components within the...
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6320737 |
Electrostatic chucking device
The electrostatic chucking device 2 comprises an electrostatic chuck 4; a temperature detecting unit 10 for detecting the temperature of the electrostatic chuck 4; a power supply 9 connected to the...
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6311027 |
Image-forming apparatus which forms images by using a developer
An image-forming apparatus is provided with: a rotatable photoreceptor; a charging device for charging the surface of the photoreceptor to a predetermined electric potential. A device for corona...
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6259591 |
Apparatus and method for monitoring of air ionization
The total of the ion current leaving electrodes of one polarity and the ion current flowing to those electrodes, is measured as the current in the ground return path of the corresponding generator....
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6252233 |
Instantaneous balance control scheme for ionizer
Positive and negative ion output are balanced in an electrical ionizer having positive and negative ion emitters, and positive and negative high voltage power supplies associated with the...
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6224653 |
Electrostatic method and means for removing contaminants from gases
An electrical apparatus includes a reaction chamber. A stream of contaminated gasses flows through the chamber. An elongated coronating electrode is positioned in the reaction chamber for producing...
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6205309 |
AC corona charging arrangement with current--limiting capacitor
An AC corona charging arrangement includes a corona generating device connected through a capacitive connection to an AC voltage source and partially surrounded by a conductive shield connected to...
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6192204 |
Control method and circuit for transfer current, and printer having the control circuit
It is an exemplified object of the present invention to provide a transfer-current control circuit that may reduce the smaller number of current control circuits and wires than the conventional...
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6163328 |
High frequency RF driver
A device for providing an RF signal burst to an external load includes a voltage-controlled oscillator to generate a drive signal having a frequency f VCO fixed by an oscillator control signal. An...
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6163098 |
Electro-kinetic air refreshener-conditioner with optional night light
An electro-kinetic electro-static air conditioner includes a self-contained ion generator that provides electro-kinetically moved air with ions and safe amounts of ozone. The conditioner may be...
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