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8183975 |
Miniature pressure transducer
A miniature pressure transducer is disclosed which is able to operate at high temperatures. The pressure transducer is provided on a substrate comprising an elongate silicon base portion with one...
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8174352 |
Method for making a transducer, transducer made therefrom, and applications thereof
A method for manufacturing or preparing thin-film stacks that exhibit moderate, finite, stress-dependent resistance and which can be incorporated into a transduction mechanism that enables simple,...
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8151649 |
Physical quantity sensor device and method of manufacturing the same
A physical quantity sensor device (10) having a structure in which a stress-sensitive body (1) of which the electric characteristics vary depending upon the application of stress and an insulator...
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8130073 |
Push-button testing system
A push-button switch test device having a flexible tab fixedly attached to a pushing member. The flexible tab is made of a flexible material and includes a deformation sensitive resistor mounted on...
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7961074 |
Load cell
The load cell includes a strain generating body having a strain generated portion, and a strain detection element provided on a surface of the strain generating body in a portion corresponding to...
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7911315 |
Miniature pressure sensor assembly for catheter
A pressure sensor assembly configured for use with a catheter. In one illustrative embodiment, the pressure sensor assembly may include a multi-layer co-fired ceramic (MLCC) package. The MLCC...
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7911316 |
Sensor array for a high temperature pressure transducer employing a metal diaphragm
A sensor array for a pressure transducer having a diaphragm with an active region, and capable of deflecting when a force is applied to the diaphragm. The sensor array disposed on a single...
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7893810 |
Strain measuring device
A strain measuring device according to the present invention includes a bridged circuit comprising a p-type impurity diffused resistor as a strain detective portion and a bridged circuit comprising...
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7852191 |
Sensor and manufacturing method thereof
A plate member 101 having flexible portions; plate members 102 to 104 having openings corresponding to the flexible portions of the plate member 101; a plate member 201 having flexible portions;...
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7852193 |
Push-button testing system
A push-button switch test device having a flexible tab fixedly attached to a pushing member. The flexible tab is made of a flexible material and includes a deformation sensitive resistor mounted on...
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7808365 |
Pressure sensor
A diaphragm is formed at a predetermined location of a sensor chip made of semiconductor material, and a sensor gauge for differential pressure or pressure sensing-use is provided on the sensor...
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7772960 |
Pre-loaded force sensing resistor and method
A force sensing resistor (FSR) includes a substrate having separated electrically conductive traces and another substrate having a resistive layer in which the substrates are subjected to a biasing...
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7750790 |
Fabric-based strain gauge
The invention provides a strain gauge which includes a fabric base and at least one conductive yarn. In addition, the fabric base is weaved with a plurality of non-conductive yarns, and the fabric...
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7733209 |
High temperature pressure transducer employing a metal diaphragm
A pressure transducer includes a diaphragm, having an active region, and capable of deflecting when a force is applied to the diaphragm; and a sensor array disposed on a single substrate, the...
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7696855 |
Strain gauge for measuring large strains
The strain gauge for measuring large strains has metallic foil pattern sections including a gauge element pattern section, gauge tab pattern sections and connecting pattern sections attached to a...
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7687300 |
Method of dynamic temperature control during microcrystalline SI growth
The present invention generally comprises a method for dynamically controlling the temperature of a solar cell substrate during microcrystalline silicon deposition. In amorphous...
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7605683 |
Monolithic electronic component
In a monolithic electronic component in which a resistive element is incorporated by forming a resistor film on a terminal electrode, a plating film can be formed on the terminal electrode having...
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7500395 |
Acceleration sensor
The piezo-resistance type triaxial acceleration sensor includes a frame section, a mass section disposed in the frame section, beam elements which flexibly support the mass section, and...
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7423511 |
Load sensor
There is provided a load sensor that can make accurate measurement without being affected by unnecessary external force and moreover has a simple construction. The load sensor includes a strain...
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7397340 |
Load sensor and its manufacturing method
A load sensor includes a substrate, a glass layer provided on the substrate, a wiring provided on the glass layer, an adjusting layer provided on the glass layer, and a strain-sensitive resistor...
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7277004 |
Bi-directional deflectable resistor
A system and method for a bi-directional deflectable resistor. The bi-directional deflectable resistor has a first layer of conductive material on a top surface of a substrate and a second layer of...
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7222536 |
Semiconductor acceleration sensor
A semiconductor acceleration sensor is disclosed which has a small difference in acceleration detection sensitivity among X, Y, and Z axes and a high detection sensitivity. The acceleration sensor...
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7224257 |
Physical quantity sensing element having improved structure suitable for electrical connection and method of fabricating same
A physical quantity sensing element according to the invention includes an insulating layer and a sensing layer. The sensing layer is configured to generate an electrical signal as a function of a...
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7151431 |
Resistor element, stress sensor and method for manufacturing them
A stress sensor in which the direction and magnitude of a stress being applied to a post (6) bonded to or integrated with the surface of an insulating board (3) can be grasped from variation in the...
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7116209 |
Strain gauges
The present invention provides a strain gauge comprising a resistive layer. The resistive layer comprises metallic or semiconducting nanoparticles or aggregates thereof in which the nanoparticles...
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7065861 |
Method of producing a strain-sensitive resistor arrangement
The invention relates to a strain-sensitive resistor, comprising a resistance layer arranged on a support element and an electromechanical transducer produced with this resistor. An increase in the...
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6763726 |
Mechanical force sensor
A mechanical-force sensor includes two piezoelectric vibrators which are arranged such that stresses in mutually opposite directions are applied thereto by a mechanical force such as an...
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6737953 |
Passenger detector
A description is given of a passenger detector comprising a flexible support of insulating material, at least two electrode structures placed on said insulating substrate at a certain distance from...
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6706619 |
Method for tiling unit cells
A method for creating a layout of at least a portion of a microelectromechanical system is disclosed. In one embodiment, a plurality of die are formed on a wafer. Each die includes a plurality of...
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6684487 |
Method of producing a load cell
A load cell is constructed with several strain gauges. Each of the strain gauges are formed with a meandering conductive portion on a substrate or base member. Portions of the meandering conductive...
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6683525 |
Electrical strain sensitive resistor
An electrical circuit having at least one electrical component, in particular a strain-sensitive resistor and conductor tracks which are applied to a metallic carrier with the intermediate...
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6646540 |
Conductive structures
A conductive structure is used in electric variable resistance devices to provide changes in electrical resistance with movement and changes in pressure, the variable resistance device comprising...
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6614342 |
Strain gauge
A high-performance strain gauge has a high gauge factor and a decreased temperature coefficient of resistance (TCR). The strain gauge has a laminated structure that includes a first layer formed of...
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6608267 |
Foot switch including elastic joint for proper positioning of switch component
A foot switch for use in the control of medical apparatus comprises a pedal that is connected to and movably seated on a floor plate of a joint connection, a sensor linked to a switch element, and...
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6518872 |
High resolution scanning thermal probe and method of manufacturing thereof
A resistant based thermal probe including a nanometer sized four-leg filament integrated with a piezoresistive AFM type cantilever is created by depositing the filament structure onto the...
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6512445 |
Strain-sensitive resistor
A strain-sensitive resistor including a resistance layer arranged on a support element and an electromechanical transducer produced with this transistor. The support element has a recess in its...
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6486767 |
Rotary position sensor using a strain gage
A rotary position sensor for sensing the position of an attached object. The sensor uses a strain gage to detect the position of the object. The sensor includes a housing and a helical shaped...
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6411193 |
Pointing stick with increased sensitivity
A pointing stick includes a substrate, an input pillar set vertically on the substrate, and at least one strain gauge for sensing pressure and producing pointing signals corresponding to the...
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6392527 |
Impact detection system
An acceleration change detection system, which in a preferred embodiment is used as an impact detection system, detects whether a deflection sensor is deflected. The magnitude and/or direction of...
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6369689 |
Linear position sensor using a strain gage
A linear position sensor for sensing the position of an attached object. The linear position sensor uses a strain gage to detect the position of the object. The sensor includes a housing and a ramp...
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6362719 |
Rotary position sensor using a strain gage
A rotary position sensor for sensing the position of an attached rotating object. The rotary position sensor uses a strain gage to detect the position of the object. The sensor includes a housing...
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6275137 |
Semiconductor piezoresistor
A piezoresistor having a base substrate with a quantum well structure formed on the base substrate. The quantum well structure includes at least one quantum well layer bounded by barrier layers....
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6236301 |
Cantilevered deflection sensing system
A deflection sensing system for detecting deflection includes one or more deflection sensors between opposing sets of extensions. When one set of extensions is moved toward an opposing set of...
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6229427 |
Covered sealed pressure transducers and method for making same
A method for sealing a transducer of a type having a diaphragm with an active region and an inactive region, a stress sensing network associated with the active region of the diaphragm, contacts...
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6184774 |
Semiconductor pressure detecting device with piezo resistance crossing grain boundaries
The object of the present invention is to obtain high-precision semiconductor pressure detecting devices without unevenness in gauge resistance values.When a recrystal silicone film 23 is formed by...
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6109114 |
Caging, calibration, characterization and compensation of microstructural transducers
The invention is embodied in a microstructural transducer including a microstructural platform, a movable microstructural member, a microstructural linkage elastically coupling the movable...
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6016097 |
Motion transducer
A motion transducer having a user moveable plunger which compresses a spring for generating a force proportional to plunger displacement and applying the generated force to an actuator telescoped...
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5915285 |
Transparent strain sensitive devices and method
A transparent strain sensitive surface is disclosed which is suitable for strain gages, video terminal touch panels, security panels (windows, display cases, etc.). The strain gage includes a...
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5898359 |
Diffusion-barrier materials for thick-film piezoresistors and sensors formed therewith
A thick-film strain-sensing structure for a media-compatible, high-pressure sensor. The strain-sensing structure generally includes a metal diaphragm, at least one electrical-insulating layer on...
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5867808 |
Force transducer with screen printed strain gauges
A force transducer includes an elongated lever arm attached to a substrate having a central portion and substantially planar tab regions that project outwardly from the central portion along first...
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