Class 73/335.04 - Capacitance

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the parameter is the capacitance
No. of applications: 31
Last issue date: 01/05/2012

Application No.	Application Title	Issue Date
20120000284	HUMIDITY SENSOR PACKAGE AND MANUFACTURING METHOD THEREOF A humidity sensor package includes: a humidity sensor that is mounted on a main surface of a package substrate and that have a humidity-sensing area; a control IC that is mounted on the main surface of the package substrate; a sealing resin that seals at least an extern...	01/05/2012
20120000285	CAPACITIVE TYPE HUMIDITY SENSOR AND MANUFACTURING METHOD THEREOF A capacitive type humidity sensor is provided, where a sensor chip substrate, with a sensor section where electrostatic capacitance changes in accordance with humidity, a reference section where electrostatic capacitance does not change, and a plurality of pads which ar...	01/05/2012
20110308313	HUMIDITY SENSOR A humidity sensor having a pair of electrodes spaced adjacent each other and defining an air gap therebetween such that the electrodes provide a capacitor with air as dielectric material, and, circuitry for sensing capacitance connected to the electrodes such that chang...	12/22/2011
20110259099	CAPACITIVE HUMIDITY SENSOR AND MANUFACTURING METHOD A capacitive humidity sensor, and more particularly, to a capacitive humidity sensor and a manufacturing method thereof capable of increasing reliability of the sensor by forming a dehumidification layer of a polymer material having a large surface area between a lower ...	10/27/2011
20110185810	SENSOR HAS COMBINED IN-PLANE AND PARALLEL-PLANE CONFIGURATION A sensor senses a magnitude of a physical parameter of the sensor's environment. The sensor has first and second electrodes, and a material layer between them. The material has an electrical property, e.g., capacitance or resistance, whose value depends on the magnitude...	08/04/2011
20110179861	CAPACITIVE HUMIDITY DETECTOR WITH NANOPOROUS HYDROPHILIC DIELECTRIC A humidity sensor of capacitive type, a device for detecting or measuring humidity including the sensor, and a method to fabricate the sensor. The humidity sensor includes at least one nanoporous dielectric material positioned between at least one first electrode of a c...	07/28/2011
20110146400	CAPACITIVE SENSOR A capacitive sensor for detecting the presence of a substance includes a plurality of upstanding conductive pillars arranged within a first layer of the sensor, a first electrode connected to a first group of the pillars, a second electrode connected to a second, differ...	06/23/2011
20110138908	HUMIDITY SENSING CIRCUIT WITH TEMPERATURE COMPENSATION A humidity sensing circuit with temperature compensation includes a wave producing module, a phase processing module, a sensing module and a detecting module. The wave producing module outputs a wave signal. The phase processing module outputs an oscillatory wave and an...	06/16/2011
20110005313	HUMIDITY SENSOR A humidity sensor that includes a humidity sensitive material. A sensing circuit associated with the humidity sensitive material estimates the ambient humidity based upon the humidity sensitive material. A heating element is associated with the humidity sensitive materi...	01/13/2011
20100307238	HUMIDITY SENSOR AND METHOD OF MANUFACTURING THE SAME A humidity sensor comprising an insulating substrate, a moisture-sensitive layer, and at least a detection electrode contacting the moisture-sensitive layer, wherein the moisture-sensitive layer is a porous, photocatalytic metal oxide....	12/09/2010
20100156663	RADIOSONDE HAVING HYDROPHOBIC FILTER COMPRISING HUMIDITY SENSOR Radiosondes (200) and related radiosonde systems (500) include a plurality of different sensors (105, 218, 237, 239) for acquiring sensor data related to atmospheric data, wherein the plurality of sensors consist of a single humidity sensor (105<...	06/24/2010
20100031745	Nano-porous alumina sensor A nano-sensor including a substrate including pores formed thereon and a detecting mechanism for detecting changes in capacitance due to the presence of a substance. A method of measuring humidity by sampling air with the nano-sensor, detecting changes in capacitance, a...	02/11/2010
20090145220	Gas Sensor and Method for Its Production In a gas sensor with at least two electrodes and with a sensor body which is connected thereto and is composed of a gas-sensitive material, in addition to pores which may already be present, second cavities are provided in the sensor body The second cavities may be suit...	06/11/2009
20090141767	Integrated Electronic Sensor A single chip wireless sensor (1) comprises a microcontroller (2) connected to a transmit/receive interface (3), which is coupled to a wireless antenna (4) by an L-C matching circuit. The sensor (1) senses gas or humidity and temperatu...	06/04/2009
20090095073	Impedance sensor An impedance sensor for detecting a mixing ratio of a liquid or a gas includes a substrate, at least a pair of electrodes, and a protective film. The substrate is configured to be disposed in the liquid or the gas. The pair of electrodes is disposed on the substrate. Th...	04/16/2009
20080316673	Moisture Sensor A moisture sensor includes interdigitated first and second electrodes formed in trenches 26. A porous low-k dielectric 20 is provided between the electrodes. The electrodes are of Cu 30 surrounded by a barrier layer 28,32 to protect the Cu fr...	12/25/2008
20080257037	Humidity sensor A capacitive humidity sensor includes: a humidity sensing element with a humidity sensitive film and electrodes; and a processing circuit. The film has a dielectric constant variable in accordance with moisture. The electrodes detect capacitance of the film and outputs ...	10/23/2008
20080238449	Fluid sensor and impedance sensor A fluid sensor detects property of fluid by dipping the sensor in the fluid. The sensor includes: a semiconductor substrate; and a comb-teeth electrode made of a first diffusion layer and disposed on a first surface of the substrate. Although the comb-teeth electrode is...	10/02/2008
20080173089	Transducing system with integrated environmental sensors A transducing system includes a support structure configured to support a transducer and includes at least one environmental sensor carried by the support structure. The environmental sensor may be a humidity sensor, a temperature sensor, an altitude sensor, or a combin...	07/24/2008
20070220970	Measuring Cell as Well as Constructing Methods for a Measuring Cell and Measuring Apparatus with a Mount for Such a Measuring Cell The invention relates to a measuring cell, comprising a support and a sensor, whereby a measuring chamber is arranged between the support and the sensor and the sensor is arranged on the support by means of individual material deposits provided between the support and t...	09/27/2007
20070186649	Humidity sensor and semiconductor device including the same Provided is a humidity sensor whose electrode is set to have an island-like configuration and is enclosed by a humidity sensitive film. As a result, in the humidity sensor, adhesion property between the humidity sensitive films on the electrode is enhanced and thus high...	08/16/2007
20070113648	Humidity sensor having humidity sensitive film and method for manufacturing the same A humidity sensor includes: a sensor chip including a capacitive humidity sensor element and a connection electrode, wherein the capacitive humidity sensor element includes a humidity sensitive film having relative permittivity changeable in accordance with humidity, an...	05/24/2007
20070107500	Sensing moisture uptake of package polymers An embodiment of the present invention is a technique to sense moisture uptake of package polymers in humid environment. A capacitor is formed in a semiconductor package having a capacitance changing according to a real-time moisture adsorption in the package. A capacit...	05/17/2007
20060243048	Method and equipment for measuring vapour flux from surfaces A method and equipment for measuring vapour flux from a surface (10) e.g. the rate of water loss from human skin, which is useful in the evaluation of the efficiency of the skin/water barrier. It uses a closed cylinder (12), which is placed against the ski...	11/02/2006
20060201247	RELATIVE HUMIDITY SENSOR ENCLOSED WITH FORMED HEATING ELEMENT Sensor systems and methods are disclosed herein. A relative humidity sensor is generally associated one or more porous heating elements. A porous resistive material surrounds the relative humidity sensor. Additionally, one or more flat heating elements can be bonded to ...	09/14/2006
20060096371	Capacitive humidity sensor and method of manufacturing the same A capacitive humidity sensor includes a semiconductor substrate, a protective layer and a humidity sensitive section including a pair of comb electrodes and a humidity sensitive layer having a dielectric constant, which changes in accordance with humidity. The comb elec...	05/11/2006
20060096370	Capacitive humidity sensor A capacitive humidity sensor for detecting a humidity change includes a first sensor element having a first capacitance, a second sensor element having a second capacitance and connected in series with the first sensor element, and a humidity sensitive layer having a di...	05/11/2006
20060048572	Physical quantity sensor and method for manufacturing the same A capacitance type humidity sensor includes: a detection substrate including a detection portion on a first side of the detection substrate; and a circuit board including a circuit portion. The detection portion detects humidity on the basis of capacitance change of the...	03/09/2006
20060037393	Capacitance type physical quantity detector A capacitance type physical quantity detector includes a sensor unit of which the capacitance varies depending upon a change in the physical quantity and a C-V converter unit which converts a change in the capacitance of said sensor unit into a voltage. The C-V converte...	02/23/2006
20050188764	Capacitive type humidity sensor A capacitive type humidity sensor includes: a semiconductor substrate; a plurality of humidity devices having a capacitance variable in accordance with a humidity; a standard capacitance device having a standard capacitance, a capacitance change of which in accordance w...	09/01/2005
20050028588	Method and device for measuring humidity A method and a device for measuring humidity may be suitable for determining the relative humidity in the high-humidity range. The device includes a sensor device, as well as sequential electronics post-connected to the same. The sensor device includes a capacitive humi...	02/10/2005

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Class 73/335.04 - Capacitance