| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324452000 | A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON | 22 |
| 20080315886 | Field imager - A detection apparatus for detecting the presence of a sample, the detection apparatus comprising a chamber, ports for introducing a sample within the chamber, an actuation unit for establishing a controllable electromagnetic field in the chamber; and a sensing unit for sensing changes in the electromagnetic field due to the presence of the sample within the chamber. The sensing unit comprises a sensor device comprising a source and a drain embedded in a FET a gate for the FET, in which the gate is formed of a material whose conductivity is related to the electromagnetic field established in a nonconductive medium in contact with the gate. | 12-25-2008 |
| 20090295400 | Electrostatic partricle sensor - An electrostatic particle sensor for sensing particles in exhaust gases includes: a lateral surface electrode having an effective flow volume, a gas flow to be tested flowing through it; an inner electrode situated inside the lateral surface electrode; and a voltage source which is in an electrically conducting connection with both electrodes. A potential which is dependent on the gas flow rate per time unit through the effective flow volume is impressed upon the voltage source. | 12-03-2009 |
| 20100315090 | Electrostatic sensor and occupant detecting device having the same - An electrostatic sensor for a vehicle includes a loop-shaped electrode arranged in a seat bottom of the vehicle, and a sensor portion to detect a weak electric field generated between the electrode and a chassis of the vehicle when a predetermined voltage is applied to the electrode. The electrode has an imaginary center line linearly extending in a front-and-rear direction of the vehicle. The electrode defines a resistance distribution approximately symmetrical in a left-and-right direction of the vehicle relative to the imaginary center line. | 12-16-2010 |
| 20100321027 | Methods and Systems for Detection Using Threshold-Type Electrostatic Sensors - Methods, apparatus and systems are described as relating to electrostatic sensors for detection in micro or nano electromechanical systems. In exemplary embodiments, a sensor for detecting a threshold value of is provided. The sensor includes a deformable member with a mass detection area, an electrostatic actuator having first and second plates, the first plate being connected to the mass detection area, and a voltage source connected to each of the first and second plate. The operating voltage being proximate to a local bifurcation point of the electrostatic sensor for the first and second plates to pull-in together. Upon an external mass having the threshold value appearing on the mass detection area, the local bifurcation point of the electrostatic sensor is shifted such that the first and second plates will pull in to contact each other by movement of the deformable member to signal detection. | 12-23-2010 |
| 20110140705 | ELECTROSTATIC SENSOR DEVICE AND MATRIX - An electrostatic sensor device including a first sensor element and a second sensor element; a dielectric substrate material formed in two layers, and a sensing hole which penetrates the dielectric substrate material from its upper surface to its lower surface. The first sensor element is receivable in the sensing hole; and second sensor element includes a first conducting ring disposed on an upper surface of said dielectric substrate and surrounding said sensing hole. The second conducting ring is disposed on a lower surface of the dielectric substrate and surrounds the sensing hole. The first sensor element and the second sensor are capable of producing a variable response when the first sensor element is disposed in the sensing hole. | 06-16-2011 |
| 20110140706 | Particle-Based Electrostatic Sensing and Detection - An apparatus and methods for electrostatic-based sensing and detection of charges and charged materials displayed on a surface. In a general embodiment, a method for electrostatically sensing charges or charged materials by comparing the electrostatic interaction between a capture surface and a reference surface. Assays to detect binding or interactions between a capture surface and a material to be detected are also described. We also describe a sensitive and label-free electrostatic readout of DNA or RNA hybridization in a microarray format and using a microfluidic device. The electrostatic properties of the hybridized particles are measured using the positions and motions of charged microspheres. This approach enables sensitive, non-destructive electrostatic imaging. Changes in surface charge density as a result of specific molecular interaction can be detected and quantified with great sensitivity, and in the presence of a complex background. | 06-16-2011 |
| 20110169495 | MONITORING MODULE INCLUDING E-FIELD-INDUCED ESD-SENSITIVE PATTERN AND PHOTOMASK INCLUDING THE MODULE - Provided are a monitoring module of an electrostatic discharge (ESD)-sensitive photomask, in which when an external electric field (E-field) exists, monitoring patterns are formed in the same direction as or a vertical direction to the external E-field, and a photomask including the module. The monitoring module includes a plurality of monitoring patterns, which are electrically isolated from one another and arranged at right angles to one another. At least one first monitoring pattern of the plurality of monitoring patterns is arranged in the same direction as an E-field existing outside the photomask. At least one second monitoring pattern of the plurality of monitoring patterns is arranged at substantially right angles to the first monitoring pattern in consideration of a direction in which charges move due to rotation of the photomask. | 07-14-2011 |
| 20110279126 | Electrostatic occupant detection system - An electrostatic occupant detection system includes an electrostatic sensor and an electronic control unit. The electronic control unit is switchable between an occupant determination state in which the electronic control unit outputs a sine wave having a constant amplitude and a diagnosis state in which the electronic control unit maintains a voltage of the electrostatic sensor at a constant level. The electronic control unit gradually changes at least one of an amplitude and a frequency of the sine wave either when the electronic control unit switches from the occupant determination state to the diagnosis state and/or when the electronic control unit switches from the diagnosis state to the occupant determination state. | 11-17-2011 |
| 20120262181 | Electrostatic Probes for Mapping Conductive Web Bagginess - A method for testing a conductive web includes moving a conductive web past at least one electrostatic probe, providing an alternating current or voltage which generates an alternating current to the at least one electrostatic probe, measuring a current or voltage in the at least one electrostatic probe induced by a capacitance between the conductive web and the at least one electrostatic probe, comparing the measured current or voltage to a reference value, and determining a level of bagginess of the conductive web based on the step of comparing. | 10-18-2012 |
| 20130257445 | MICROELECTROMECHANICAL SYSTEM PACKAGE AND METHOD OF TESTING - A microelectromechanical system (MEMS) package is disclosed herein. The MEMS package includes a movable mass. The MEMS package further includes a first and second sense electrodes spaced apart from the movable mass. The first and second sense electrodes are configured to be electrically coupled with a controller. The MEMS package further includes a first test electrode and a second test electrode spaced apart from the movable mass. The first and the second test electrodes are configured to be electrically connected to first and second external electrical connectors, respectively. The first and second test electrodes are biased at a first voltage and a second voltage, respectively, when the first and second external electrical connectors are connected to external voltage sources. | 10-03-2013 |
| 20130300427 | ELECTROSTATIC DISCHARGE TEST METHOD AND TEST SYSTEM - An ESD test method for testing an object is disclosed. The object is activated and controlled to separate from a horizontal plane by a pre-determined distance. A first discharge voltage is provided to an external metal portion of the object. A first error is determined to have or have not occurred during the operation of the object each time after the first discharge voltage is provided to the external metal portion. The object is processed to eliminate the first error and then the first discharge voltage is provided to the external metal portion when the first error occurs during the operation of the object. The first error is induced by a hardware structure of the object. The object is moved to contact with the horizontal plane and a specific action is executed when the first error has not occurred during the operation of the object. | 11-14-2013 |
| 20140139232 | APPARATUS FOR INSPECTING STATIC ELECTRICITY OF SUBSTRATE AND METHOD OF MANUFACTURING SUBSTRATE - An apparatus for inspecting static electricity of a substrate includes a probe having substantially a same shape as a substrate to be inspected, the probe including a contact surface made of a conductive material, a wiring connected to the contact surface of the probe and delivering static electricity collected by the probe, and a measurement unit connected to the wiring, the measurement unit receiving the static electricity from the wiring and analyzing an intensity of the static electricity. | 05-22-2014 |
| 20150042353 | DEVICE FOR DETECTING BANKNOTE THICKNESS - A device for detecting a banknote thickness includes a transmission electrode and a reception electrode facing one another at a predetermined interval and forming an electric field when a driving voltage is applied thereto; a driving voltage applying unit configured to apply a driving voltage having a pre-determined frequency and form an electric field between the transmission electrode and the reception electrode; a current detecting unit configured to detect a current when a banknote is between the transmission electrode and the reception electrode; an antistatic device configured to remove static electricity from the banknote; and a controller configured to detect at least one of a changed current (e.g., when the banknote is present) and a corresponding voltage waveform, and to detect one or more of a state, a thickness and a type of the banknote based on the detected current change or voltage waveform. | 02-12-2015 |
| 20150054520 | Micropositioning Device With Multidegrees Of Freedom For Piezoelectric Actuators And Associated Method - A micropositioning device for a piezoelectric actuator includes a means for controlling an electric field applied to the piezoelectric actuator so as to deform the piezoelectric material, and means for simultaneous measurement of a variation of electric charge accumulated on the piezoelectric actuator resulting from the deformation; and means for acquiring measurements of the variation of electric charge, for processing these acquisitions and for estimating a displacement (x, y, z) of the piezoelectric actuator and/or an applied force. | 02-26-2015 |
| 20160091460 | Electrostatic Force Tester - An electrostatic force testing apparatus applies an electrostatic force to a test specimen and thereby imparts stress on the specimen. A focused electrostatic force is applied to the test specimen using a shaped probe tip of the electrostatic force testing apparatus. The force applied to the test specimen may be varied based on a distance of the probe tip from the test specimen, a voltage applied to the probe tip, and a shape of the probe tip. | 03-31-2016 |
| 20160139481 | COMPONENTS AND METHODS FOR USE IN ELECTRO-OPTIC DISPLAYS - A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and a release sheet. This front plane laminate can be prepared as a continuous web, cut to size, the release sheet removed and the laminate laminated to a backplane to form a display. Methods for providing conductive vias through the electro-optic medium and for testing the front plane laminate are also described. | 05-19-2016 |
| 324453000 | In a liquid | 2 |
| 20090284262 | AUTOMATED LIQUID CRYSTAL ANALYSIS INSTRUMENT - Provided is a method for measuring one or more properties of liquid crystals in an automated manner. Also provided is a liquid crystal analysis instrument (LCAS) that automatically measures one or more properties of liquid crystals. | 11-19-2009 |
| 20100321028 | SYSTEM AND METHOD FOR DETERMINING THE PERFORMANCE OF A WEARABLE ELECTRODE | 12-23-2010 |
| 324454000 | Frictionally induced | 1 |
| 20120068716 | System and method for detecting defects - A system including a charge source and at least one voltage measurement device is disclosed. The charge source is for generating a charging environment to produce at least one of a voltage profile and a current on an area of dielectric material disposed over a conductive substrate. The area of dielectric material includes a first area containing a subsurface defect. The area of dielectric material also includes a second area that is defect-free. The at least one voltage measurement device is for outputting voltage measurements at different positions over the area of dielectric material. The voltage measurements over the first area differ from voltage measurements over the second area to define a voltage differential. | 03-22-2012 |
| 324455000 | Corona induced | 1 |
| 20090102486 | DIMENSIONS DETERMINATION FOR INSULATING COATINGS - Systems and methods for determining the dimensions of insulating coating sections applied to a conductive component are disclosed. The method includes providing a specimen having an insulating coating section of a first surface area and a first thickness. The method further includes conducting a test of the specimen for propagating brush discharges. If the specimen exhibits propagating brush discharges, the method further includes reducing at least one of the first surface area and the first thickness to produce at least one of a second surface area or a second thickness, or reducing a first maximum distance that any portion of the insulating coating may extend from an adjacent static dissipative feature to produced a second maximum distance. In additional embodiments, insulating coating patterns may be established on the component based on at least one of the dimensions of the second surface area, the second thickness, or the second maximum distance. | 04-23-2009 |
| 324456000 | For flaw detection | 2 |
| 20100253358 | CONTACTLESS SYSTEM AND METHOD FOR ELECTROSTATIC SENSING WITH A HIGH SPATIAL RESOLUTION - In the illustrated embodiment of the invention a scanning system is provided for scanning a chargeable surface for latent image detection. The chargeable surface is charged to a first potential, and a scanner probe is charged to a second potential within a predetermined potential difference from the first potential. The scanner probe is oscillated at a selected frequency and reads or measures the oscillation current that is induced from the oscillation and detects any latent images or other electrostatic distributions on the chargeable surface. A processor processes the probe measurements for determining the potential of a latent image on the chargeable surface based on the scanner probe readings. | 10-07-2010 |
| 20120153962 | STRESS TESTING OF SILICON-ON-INSULATOR SUBSTRATES USING APPLIED ELECTROSTATIC DISCHARGE - A method of implementing electrostatic discharge (ESD) testing of an integrated circuit includes applying an ESD event to an exposed backside of a substrate of the integrated circuit, wherein the backside of the substrate is electrically isolated from circuit structures formed at a front-end-of-line (FEOL) region of the integrated circuit. The operation of the circuit structures is tested to determine whether the ESD event has caused damage to one or more of the circuit structures as a result of a breakdown in the electrical isolation between the circuit structures and the backside of the substrate. | 06-21-2012 |
