| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324671000 | To determine dimension (e.g., dielectric thickness) | 25 |
| 20090079443 | SENSOR DEVICE AND DISPLAY APPARATUS - A sensor device according to an embodiment of the present invention includes an electrode array having plural electrodes arranged in an array manner, a signal generator configured to generate a first signal having a first frequency, and apply the first signal to the plural electrodes, and a detection unit configured to, when the first signal is applied to the plural electrodes, and a second signal having a second frequency is applied to an object to be detected, detect a distance between each electrode included in the electrode array and the surface of the object, using an interference wave between the first signal applied to each electrode and the second signal applied to the object, or detect irregularities on the surface of the object, using a signal generated by using the interference wave outputted from one electrode and the interference wave outputted from another electrode. | 03-26-2009 |
| 20090267620 | FILM THICKNESS MEASUREMENT DEVICE AND METHOD - A film thickness measurement device, which measures the film thickness of an oil film of lubricating oil, formed in a gap between a piston ring and an electrode provided flush with a piston ring sliding surface of a cylinder liner, by detecting the electrostatic capacitance across the gap, employs an electrostatic capacitance detection portion, which charges the electrostatic capacitance by supplying a constant current to the electrode, detects the electrostatic capacitance based on changes in the charging voltage accompanying the charging, and outputs a detection signal indicating the electrostatic capacitance, and a film thickness computation portion, which calculates the film thickness of the oil film based on the electrostatic capacitance indicated by the detection signal input from the electrostatic capacitance detection portion. | 10-29-2009 |
| 20100141274 | Method for Measuring the Thickness of Multi-Layer Films - The invention relates to a method for determining the thickness of multi-layer films ( | 06-10-2010 |
| 20100295562 | Method, liquid supply unit, and measurement device for a level indicator - The subject matter of the invention is a method for a printing machine with a printing device ( | 11-25-2010 |
| 20110148438 | SYSTEM AND METHOD FOR DETERMINING A NUMBER OF OBJECTS IN A CAPACITIVE SENSING REGION USING A SHAPE FACTOR - An input device and method are provided that facilitate improved usability. The input device comprises an array of capacitive sensing electrodes and a processing system. The processing system is configured to receive sensing signals from the capacitive sensing electrodes and generate a plurality of sensing values. The processing system is further configured to calculate a sensing profile from the sensing values, calculate a profile span from the sensing values, and determine a shape factor from the sensing profile and the profile span. Finally, the processing system is configured to determine a number of objects in the sensing region from the determined shape factor. Thus, the sensor device facilitates the determination of the number of objects in the sensing region. | 06-23-2011 |
| 20110204902 | DEVICE FOR MEASURING A FLUID MENISCUS - The invention relates to a device ( | 08-25-2011 |
| 20110273191 | DEVICE FOR DETERMINING A THICKNESS OR THICKNESS VARIATION OF A FLAT OBJECT - A device for determining a thickness or thickness variation of a flat object ( | 11-10-2011 |
| 20120043975 | SENSOR DEVICE FOR DETERMINING THE DEVIATION OF A HEAD SUPPORT POSITION FROM A TARGET POSITION - A sensor device for determining the deviation of the position of a head support of a motor vehicle seat from a target position is provided that includes a capacitative proximity sensor that can be integrated in a head support, having two transmitting electrodes disposed at a vertical distance from each other and a common receiving electrode. The sensor device further includes a control unit that can be set up for actuating the transmitting electrodes for transmitting an alternating electric field, determining a dimension for the vertical and horizontal deviation of the head support position from a target position relative to the position of a head of a vehicle occupant from received electrical signals captured by the receiving electrode and information about the capacitance formed between each of the transmitting electrodes and the receiving electrode determining the dimension for the vertical deviation of the head support position using a difference between the received signals associated with the two transmitting electrodes or parameters derived therefrom, and determining the dimension for the horizontal deviation of the head support position using the sum of the received signals associated with the two transmitting electrodes or parameters derived therefrom. | 02-23-2012 |
| 20130099803 | FILM THICKNESS SENSOR WITH POROUS BLOWER - A sensor system for measuring the thickness of flat material that is moved relative to the sensor system has a first sensor device for measuring the thickness of the flat material and a device for generating an air cushion. The device is disposed in such a way that there is an air cushion between at least one side of the sensor device that faces the flat material, and the flat material, during operation. In the region of the air cushion, the first sensor device includes surface sections having porous material and/or material that is provided with micro-holes. | 04-25-2013 |
| 20130141120 | DETERMINING LAYER THICKNESS - A technique comprising: producing a plurality of devices according to a common production process; and determining the thickness of a layer of one of said plurality of devices using an indicator of a first electrical property dependent on the area of overlap between a first element of the device and a second element of the device partially underlying said first element via said layer, wherein the method further comprises: additionally using an indicator of a second electrical property dependent on the area of overlap between said first element of the device and a third element of the device also partially underlying said first element via said layer, wherein (a) the difference between (i) a measured indicator of said first electrical property, and (ii) a measured indicator of said second electrical property provides a more reliable indicator of the thickness of said layer than (b) an indicator of said first electrical property. | 06-06-2013 |
| 20130162271 | CAPACITIVE DISTANCE SENSOR - A capacitive distance sensor is provided having an elongated sensor element. The sensor element comprises a cylindrical carrier body, which is made of an electrically non-conductive material and has a round cross-sectional areas, and a sensor area which substantially surrounds the carrier body in the manner of a sheath and is made of an electrically conductive material. | 06-27-2013 |
| 20130271162 | Detecting And Counting Device For Detecting A Wholeness And For Counting Pharmaceutical/parapharmaceutical Articles - A detecting/counting device for pharmaceutical/parapharmaceutical articles has a sliding support groove ( | 10-17-2013 |
| 20130293246 | Capacitance Detection in a Droplet Actuator - The embodiments described herein provide methods of measuring capacitance, detecting a droplet at a position, determining a thickness of an oil film and determining temperature in a droplet actuator. Specifically, the capacitance detection method may be used as a real-time verification tool in order to detect the absence, presence, and/or partial presence of a droplet at an electrode, analyze droplet properties, measure droplet size or volume, optimize the speed of droplet operation and detect air bubbles. | 11-07-2013 |
| 20140247062 | Device and method to measure the permeation rate of a packaging - A device for determining the average layer thickness l of a planar packaging material for pharmaceutical packaging, particularly blisters and/or bottles, by means of a capacitive measurement, in which the opposing outer surfaces of the packaging material are provided with electrodes. | 09-04-2014 |
| 20140266254 | Techniques for Quantifying Fin-Thickness Variation in FINFET Technology - Techniques for quantifying ΔDfin in FINFET technology are provided. In one aspect, a method for quantifying ΔDfin between a pair of long channel FINFET devices includes the steps of: (a) obtaining Vth values for each of the long channel FINFET devices in the pair; (b) determining a ΔVth for the pair of long channel FINFET devices; and (c) using the ΔVth to determine the ΔDfin between the pair of long channel FINFET devices, wherein the ΔVth is a function of a difference in a Qbody and a gate capacitance between the pair of long channel FINFET devices, and wherein the Qbody is a function of Dfin and Nch for each of the long channel FINFET devices in the pair, and as such the ΔVth is proportional to the ΔDfin between the pair of long channel FINFET devices. | 09-18-2014 |
| 20140333329 | METHOD AND APPARATUS FOR MEASURING THICKNESS OF LAYER IN PRINTED CIRCUIT BOARD - A method for testing an electronic device comprises providing a device under test (DUT) defined on a printed circuit board (PCB). The DUT includes a measurement target layer forming part of the PCB, and a transmission line which is in contact with the measurement target layer. The method further comprises applying an electric power to the transmission line, measuring a capacitance of the measurement target layer while the electric power is being applied, and computing a thickness of the measurement target layer based on the measured capacitance. | 11-13-2014 |
| 20150048848 | TEST STRUCTURE AND METHODOLOGY FOR ESTIMATING SENSITIVITY OF PRESSURE SENSORS - A test structure includes two capacitor structures, wherein one of the capacitor structures has conductor plates spaced apart by a cavity, and the other capacitor structure does not include a cavity. Methodology entails forming the test structure and a pressure sensor on the same substrate using the same fabrication process techniques. Methodology for estimating the sensitivity of the pressure sensor includes detecting capacitances for each of the two capacitor structures and determining a ratio of the capacitances. A critical dimension of the cavity in one of the capacitor structures is estimated using the ratio, and the sensitivity of the pressure sensor is estimated using the critical dimension. | 02-19-2015 |
| 20150048849 | ANGULAR DISPLACEMENT SENSOR OF COMPLIANT MATERIAL - Disclosed is a sensing device that includes a flexible substrate having an elongated structure extending between a first end and a second end, the elongated structure being compliant material that is flexible and bendable from a linear, non-bent position to multiple bendable positions. The sensing device also includes a first compliant strain sensing element embedded within the compliant material and extending between the first end and the second end along a longitudinal length of the elongated structure. The first compliant strain sensing element includes a second compliant material that is flexible and bendable, where an electrical property of the first compliant strain sensing element changes in proportion to an applied strain on the elongated structure. | 02-19-2015 |
| 20150054527 | ANGULAR DISPLACEMENT SENSOR OF COMPLIANT MATERIAL - Disclosed is a sensing device that includes a flexible substrate having an elongated structure extending between a first end and a second end, the elongated structure being compliant material that is flexible and bendable from a linear, non-bent position to multiple bendable positions. The sensing device also includes a first compliant strain sensing element embedded within the compliant material and extending between the first end and the second end along a longitudinal length of the elongated structure. The first compliant strain sensing element includes a second compliant material that is flexible and bendable, where an electrical property of the first compliant strain sensing element changes in proportion to an applied strain on the elongated structure. | 02-26-2015 |
| 20150292856 | METHOD, DEVICES AND SYSTEMS FOR DETECTING AN ATTACHMENT OF AN ELECTRONIC PATCH - An electronic sensor patch includes a capacitive sensor configured to detect when the electronic sensor patch is applied to a patient. A processor may be powered down for a predetermined time interval in response to determining that the electronic patch is not in close proximity to a body. The electronic sensor patch may be activated in response to determining that the electronic patch is in close proximity to the body. The capacitance sensor may be used to determine whether the electronic sensor patch is in close proximity to a body by measuring capacitance of the capacitance sensor, comparing the measured capacitance to a threshold, and determining that the electronic sensor patch is in close proximity to a body in response to the measured capacitance of the capacitance sensor being more than the threshold. | 10-15-2015 |
| 20150330767 | METHOD OF OPERATING A CAPACITIVE PROXIMITY SENSOR AND CAPACITIVE PROXIMITY SENSOR - During operation of a capacitive proximity sensor that is provided with at least two measuring electrodes, a first capacitance measurement variable and a second capacitance measurement variable are detected. The first capacitance measurement variable is correlated with the capacitance of at least one of the measuring electrodes to earth, while the second capacitance measurement variable is correlated with the capacitance between at least one of the measuring electrodes and at least one further measuring electrode. A change in the first capacitance measurement variable is evaluated together with a synchronous signal profile of the second capacitance measurement variable in order to distinguish a proximity of a conductor coupled electrically to earth from the proximity of dielectric matter. In this manner, a body part passing into the detection space of the proximity sensor can be distinguished effectively from other substances and objects, particularly water. | 11-19-2015 |
| 20150355126 | METHOD AND APPARATUS FOR DETERMINING THE LOCATION OF AN INTERFACE OF INTEREST, AND COMPUTER PROGRAM - A method for determining the location of an interface of interest in a target domain, between a free volume of a flowable material and a solid material limiting said free volume, the method involves the steps of providing a mathematical model of the target domain determining, for a plurality of pairs of electrode groups, a characteristic electrical quantity proportional to the capacitance of a capacitor formed by a pair of electrode groups; receiving measurements of the characteristic electrical quantity for a plurality of pairs of electrode groups; adjusting the mathematical model by varying the location of the boundary surface in order to take into account possible wear of the boundary surface so as to reduce the differences between the measured characteristic electrical quantities and those defined by the mathematical model; and determining the location of the interface of interest on the basis of the adjusted mathematical model. | 12-10-2015 |
| 20160033255 | ANGULAR DISPLACEMENT SENSOR OF COMPLIANT MATERIAL - Disclosed is an apparatus including an elongated structure extending between a first end and a second end. The elongated structure is compliant material that is flexible and bendable from a linear, non-bent position to multiple bendable positions and is an elastomer based material. The apparatus also includes a compliant capacitor. The compliant capacitor includes a first conductive filler embedded within and extending from the first end to the second end along a longitudinal length of the elongated structure to form a first electrode of the compliant capacitor. The compliant capacitor also includes a second conductive filler embedded within and extending from the first end to the second end along the longitudinal length to form a second electrode of the compliant capacitor. The first conductive filler and the second conductive filler extend linearly in separate planes that are parallel relative to one another throughout the elongated structure from the first end to the second end. The compliant capacitor further includes an elastomer dielectric layer extending between the first conductive filler and the second conductive filler. The capacitance of the compliant capacitor changes in proportion to an applied strain on the elongated structure. | 02-04-2016 |
| 20160141154 | MEASUREMENT SYSTEM AND MEASUREMENT METHOD - A measurement system for measuring a consumption amount of a focus ring in a plasma etching apparatus including a processing chamber, a lower electrode and the focus ring surrounding a periphery of the lower electrode, comprises a sensor substrate having a distance sensor and a measurement unit configured to measure a consumption amount of the focus ring. The measurement unit includes a transfer instruction unit, an acquisition unit and a measurement unit. The transfer instruction unit is configured to instruct a transfer unit to transfer the sensor substrate into the processing chamber. The acquisition unit is configured to acquire information on a physical amount corresponding to a distance from the distance sensor to the focus ring, which is measured by the distance sensor. The measurement unit is configured to measure a consumption amount of the focus ring based on the acquired information on the physical amount. | 05-19-2016 |
| 20170236736 | DETECTION CIRCUIT, ELECTROSTATIC HOLDING DEVICE AND METHOD FOR DETECTING A COMPONENT ON AN ELECTROSTATIC HOLDING DEVICE | 08-17-2017 |
