Patents
Patents for G01L 9 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means (16,396)
09/2001
09/11/2001US6286361 Method and apparatus for remotely detecting pressure, force, temperature, density, vibration, viscosity and speed of sound in a fluid
09/06/2001US20010019103 Optical fiber sensor
09/06/2001DE10006917A1 Diaphragm low-pressure sensor has intermediate layer with low elastic modulus, formed between strain gage structure and diaphragm
09/05/2001EP1129328A1 Integral stress isolation apparatus and technique for semiconductor devices
09/04/2001US6282966 Pressure sensor apparatus with separation membrane held between sensor and measuring cell housing bodies
08/2001
08/30/2001WO2001063645A2 Capacitive pressure-responsive devices and their fabrication
08/30/2001US20010018380 Control unit for a motor vehicle
08/30/2001US20010018260 Semiconductor dynamic quantity-sensor and method of manufacturing the same
08/29/2001EP1128175A1 Long-term stable capacitive pressure sensor made with self-aligned process
08/29/2001EP1128174A2 Capacitance-type pressure sensor and its manufacture
08/29/2001EP1128173A2 Capacitive semiconductor pressure sensor
08/29/2001EP1128172A1 Pressure sensor
08/29/2001EP1127375A1 Dimpled contacts for metal-to-semiconductor connections, and methods for fabricating same
08/29/2001CN2445313Y Adjustable pressure-resistance pressure transmitter
08/28/2001US6281976 Fiber optic fiber Fabry-Perot interferometer diaphragm sensor and method of measurement
08/28/2001US6281033 Semiconductor dynamic quantity-sensor and method of manufacturing the same
08/28/2001US6279405 Apparatus and method for a pressure monitoring device
08/28/2001US6279403 Differential pressure triggering device
08/28/2001US6279402 Device for measuring pressure in a chamber
08/28/2001US6279401 Differential pressure transmitter
08/28/2001US6279395 Annual shear element with radial preload
08/28/2001CA2144832C Capacitive pressure sensors or capacitive differential pressure sensors
08/23/2001WO2001024594A3 Environmentally sealed instrument loop adapter
08/23/2001US20010015106 Micromechanical sensor and method for its production
08/23/2001US20010015105 Pressure sensor
08/23/2001DE10006657A1 Pressure sensor e.g. for fuel pressure in diesel engine fuel feed - has pressure of working medium converted into lower fluid pressure before detection by sensor element
08/22/2001EP1126260A1 Pressure detector mounting structure
08/22/2001EP1126259A1 Pressure sensor
08/22/2001CN1309764A Fiber-optic pressure sensor, variants and method for producing resilient membrane
08/22/2001CN1309761A Optically addressed sensing system
08/21/2001US6278283 Capacitance detecting circuit
08/21/2001US6278167 Semiconductor sensor with a base element and at least one deformation element
08/16/2001WO2001059818A1 Method for producing defined polycrystalline silicon areas in an amorphous silicon layer
08/16/2001WO2001059420A1 Methods and apparatus for measuring differential pressure with fiber optic sensor systems
08/16/2001WO2001059419A1 Optical pressure sensor
08/16/2001WO2001059418A1 Oil-less differential pressure sensor
08/16/2001US20010013773 Configuration with a plurality of sensor groups and method of determining its intactness
08/16/2001US20010013254 Pressure sensor
08/16/2001EP1124112A2 Optical fiber sensor
08/16/2001EP1123492A1 Circuit configuration for compensating the temperature non-linearity of the characteristic curves of the piezoresistive measuring resistors connected in a bridge circuit
08/16/2001EP1123489A2 Capacitive measuring device
08/16/2001EP0927344B1 Pressure sensor unit, especially for automotive engineering
08/16/2001DE10005564A1 Verfahren zur Herstellung definierter polykristalliner Silizium-Bereiche in einer amorphen Siliziumschicht A process for preparing polycrystalline silicon of defined regions in an amorphous silicon layer
08/15/2001CN1308732A Creep-resistant optical fiber attachment
08/14/2001US6274403 Process for producing heteropitaxial diamond layers on Si-substrates
08/14/2001US6272929 High pressure piezoresistive transducer suitable for use in hostile environments
08/14/2001US6272928 Hermetically sealed absolute and differential pressure transducer
08/14/2001US6272927 Hermetically sealed pressure sensing device
08/14/2001US6272913 Apparatus for detecting the pressure and temperature in the intake tube of an internal combustion engine, and method for producing it
08/14/2001CA2077089C Intracranial pressure monitoring system
08/14/2001CA2055850C Tonometry system for determining blood pressure
08/10/2001CA2334333A1 Optical fiber sensor
08/09/2001WO2001056462A1 Ultraminiature fiber optic pressure transducer and method of fabrication
08/09/2001US20010011478 Control device in a motor vehicle and a method of attaching a pressure sensor used by the control device
08/08/2001EP0939888B1 Micromechanical sensor
08/07/2001US6271621 Piezoelectric pressure sensor
08/07/2001CA2110700C Determination of induced change of polarization state of light
08/02/2001WO2001055688A1 Fluid diffusion resistant glass-encased fiber optic sensor
08/02/2001DE10003569A1 Pressure sensor output linearization method involves moving signal transducer along diaphragm such that output of sensor is linear function of measured pressure
07/2001
07/31/2001US6267159 Method for filling the measuring chamber of a transducer measuring pressure or pressure differential with a pressure transmission liquid and a pressure differential measuring transducer
07/31/2001US6267010 Integrated sensor device
07/31/2001US6267009 Capacitive pressure sensor cells or differential pressure sensor cells and methods for manufacturing the same
07/26/2001WO2001053789A1 Isolation technique for pressure sensing structure
07/26/2001US20010009195 Pressure sensor with transducer mounted on a metal base
07/26/2001US20010009163 Combined sensor and flow controller provided with combined sensor
07/26/2001US20010009112 Microsystem with a flexible membrane for a pressure sensor and manufacturing process
07/26/2001US20010009059 Method and device for manufacturing pressure detecting apparatus
07/26/2001DE19918714C2 Verfahren zur nichtinvasiven Innendruckmessung in elastischen Gefäßen Method for non-invasive measurement of internal pressure in elastic vessels
07/26/2001DE10102355A1 Pressure detection unit has a housing section of injection molded plastics with glass fibers fitted to a second housing section to form a pressure detection chamber with a sensor and a sealed fit for the O-ring seal
07/25/2001EP1119032A2 A method and an apparatus for producing a semiconductor device
07/25/2001EP1118849A1 High-pressure sensor with one or two threaded stems bearing multi-pad sensor chips
07/25/2001EP0755507B1 Stabilized pressure sensor
07/24/2001US6265792 Medical device having precision interconnect
07/24/2001US6263740 CMOS compatible integrated pressure sensor
07/24/2001US6263739 Plastic membrane pressure sensor for the semiconductor industry
07/19/2001WO2001051896A1 A multivariable transmitter
07/19/2001US20010008478 Linear capacitance measurement circuit
07/19/2001DE10036438A1 Pressure switch for automobiles, industrial machines, has sealing structure arranged between two opposing surfaces of opposite substrate to hermetically seal airtight chamber from atmosphere
07/18/2001EP1116943A2 Hermetic pressure transducer
07/18/2001EP1115649A1 Micromechanical component with sealed membrane openings
07/17/2001US6260417 Semiconductor pressure sensor device with multi-layered protective member that reduces void formation
07/17/2001US6260416 Device for measuring and/or detecting the internal pressure of lumens of flexible tubes
07/12/2001WO2001050106A1 Grain growth of electrical interconnection for microelectromechanical systems (mems)
07/12/2001WO2001050105A1 Sapphire pressure sensor beam with gold germanium isolation braze joint
07/12/2001WO2001050104A2 Method and apparatus for a direct bonded isolated pressure sensor
07/12/2001DE10100321A1 Capacitive pressure sensor used in industrial measurement transducer, has dielectric section integrally formed in diaphragm, which is moved in gap between capacitor plates to output signal indicating pressure change
07/11/2001EP1114296A1 Fiberoptic coupler-sensor and a measurement method
07/11/2001EP1113981A1 Micromechanical component and its production method
07/11/2001CN1068432C Portable fluid pressure wave form measurer
07/10/2001US6258704 Methods for fabricating dimpled contacts for metal-to-semiconductor connections
07/10/2001US6257068 Capacitive pressure sensor having petal electrodes
07/10/2001US6257061 Capacitive physical-quantity detection apparatus
07/10/2001CA2169991C Pressure sensor
07/05/2001WO2001048364A1 Intake pressure sensing device for internal combustion engine
07/05/2001DE19963786A1 Pressure measurement element is component of semiconductor wafer whose base surface is fully joined to body of same or approximately same dimensions, different coefficient of elasticity
07/04/2001CN1301665A Some improvement of micro electromechanical device
07/03/2001US6255728 Rigid encapsulation package for semiconductor devices
07/03/2001US6255678 Apparatus for measuring physical and chemical phenomena
07/03/2001US6255609 High pressure resistant, low pressure actuating sensors
07/03/2001US6254815 Mounting sensing die overlying hole of die bond pad; enclosing sensing die within mold; introducing molding material into mold to form package