Abstract: When fixing a glass layer 3 to a glass member 4, a region to be fused R from an irradiation initiation position A in the region to be fused R to the irradiation initiation position A is irradiated therealong with a laser beam L1, and successively an unstable region extending from the irradiation initiation position A in the region to be fused R to a stable region initiation position B is therealong irradiated with the laser beam L1 again, so as to remelt the glass layer 3 in the unstable region, turn the unstable region into a stable region, and then fix the glass layer 3 to the glass member 4. Thereafter, a laser beam L2 fuses glass members 4, 5 together through the glass layer 3 having the whole region to be fused R turned into the stable region, so as to yield a glass fusing structure 1.

Abstract: Methods and apparatus for refining and delivering a supply of molten glass include melting a supply of glass in a melter and discharging a stream of molten glass. A refining section is provided to refine the molten glass discharged by the melter and to deliver the molten glass downstream to a glass forming apparatus. The refining section is mounted for movement into and out of contact with the stream of molten glass to connect and disconnect the glass forming apparatus with the stream of molten glass.

Abstract: According to one embodiment, a method for characterizing a multimode, bend resistant optical fiber may include determining a core refractive index profile for a core portion of a preform and determining a moat refractive index profile for a moat portion of the preform. Thereafter, a property of a multimode optical fiber is determined prior to drawing the multimode optical fiber from the preform. The property of the multimode fiber is determined based on the core refractive index profile of the preform, the moat refractive index profile of the preform, the inner radius rin and the outer radius rout of a depressed-index annular portion of the multimode optical fiber and fiber property coefficients.

Abstract: Apparatus for mechanically splicing two optic fibers, including an inner section including scoring apparatus, cleaving channels and a splicing channel; and two optic fiber restraining members, each being in operative communication with, and movable with respect to, the inner section; wherein restraining members locate end sections of optic fiber cores of said optic fibers in respective cleaving channels for scoring by said scoring apparatus; and wherein relative movement of the restraining members away from the inner section cleaves said end sections of optic fiber cores; and further relative movement between the restraining members and the inner section located cleaved end sections of said optic fiber cores into respective openings of the splicing channel to effect mechanical splicing therebetween.

Abstract: The invention relates to a housing device provided with a system for detecting the load applied to an element arranged in the housing, an internal part configured in such a way as to hold said element, and an external part for fixing the device to a mechanical group, the internal part being connected to the external part by at least two deformable connection parts in such a way that the internal part can be displaced in relation to the external part under the action of a load applied to the element. The system for detecting the applied load comprises a means for directly detecting the displacement of one of the parts, internal or external, in relation to the other part, external or internal, under the action of a load applied to the element.

Abstract: A safety closure device (100) for drawers or doors is disclosed, which comprises a lock device (7) designed to be fixed to a border (6) of a drawer or door for locking in closed position and an actuation mechanism (M) designed to be connected to a handle (1) and to the lock device (7), in order to unlock the lock device (7) by means of the handle (1). The actuation mechanism (M) comprises a body (2, 4) designed to be fixed in a hole (60) or the door (6) of the drawer, and a joint (3) mounted in the body (2, 4) in an articulated way. The joint (3) comprises a pin (30) to unlock the lock device (7) and a connection (31) fixed to the handle (1).

Abstract: A locking device according to the present invention, for use with a trailer gooseneck, the trailer gooseneck having a post with upper and lower ends, the upper end being attached to a trailer and the lower end. The lower end forms a recess and a pair of bore holes at a right angle to the centerline of the recess for accepting a coupler for receiving a hitch. The coupler is removed to allow insertion of the locking device. The locking device includes a body adapted to fit into the recess of the lower end, a pair of locking pins within the body of the locking device, a cam within the body of the locking device and a lock to prevent the cam from being turned when the lock is engaged. The locking pins face opposite directions and are adapted to be inserted into the bore hole on the two sides of the recess.

Abstract: A low-power-consumption actuator for battery-powered electronic lock includes assembled first and second cases, the second case being provided at a top with a through bore; a piezoceramic/steel sheet assembly consisting of superposed first and second piezoceramic/steel sheet sets, a first end portion of the second piezoceramic/steel sheet set being in a free state; a circuit board electrically connected to the piezoceramic/steel sheet assembly; and a pin unit being located between a top of the first end portion of the second piezoceramic/steel sheet set and the through bore. When the circuit board applies a voltage across the piezoceramic/steel sheet assembly, the first end portion of the second piezoceramic/steel sheet set upward flexes and thereby displaces to push against the pin unit for a pin thereof to protrude from the through bore and interfere with a latch bolt of the electronic lock, so as to actuate the latch bolt.

Abstract: An electromechanical cylinder lock includes an outer lock shell and a rotatable lock barrel located therein which is controlled by dual locking features. A side bar or fence selectively blocks and permits rotation of the barrel with respect to the shell in response to insertion of a key into a keyway in the barrel. A slider bar is movable between a blocking position in which the side bar is prevented from permitting rotation of the barrel, and an unblocking position in which the side bar permits rotation of the barrel. Alternately, a blocking mechanism is provided to block motion of tumbler pins in the cylinder lock. A shape memory alloy actuator, such as a wire made of nitinol, disposed in the barrel is activated by an electric current in response to determination by an electronic control device whether an attempt to open the lock is authorized. Thermal interlock protection from external heating of the lock is also provided.

Abstract: A key with a key light function comprising at least one light source (5), a storage circuit (20) for storing at least one code sequence, and a driver unit (10), which converts the stored form of the code sequence into a driving output for the light source (5), wherein the code sequence can be emitted by the light source (5) at a wavelength visible to humans by means of a temporal or color variation of the luminous flux, and the light source (5) can also be used as an orientation light.

Abstract: Labor required for knowing what extent of bending of a plate corresponds to what degree of angle of the bent portion is reduced. A bending angle detection apparatus (50) has a sensor ring L (64), a holder (62), bearings (70), the motor body of a servomotor (60), and a rotation angle sensor (102). The sensor ring L (64) produces a signal corresponding to whether the apparatus is contacted with a blade member plate or not. The holder (62) and the bearings (70) rotatably connect the sensor ring L (64) to a bending machine. The motor body of the servomotor (60) drives the sensor ring L (64) so that it is rotated. The rotation angle sensor (102) detects the rotation angle of the sensor ring L (64). In addition, the holder (62) and the bearings (70) connect the sensor ring L (64) to the bending machine so that the rotation axis of the blade member plate in the case where the bending machine bends the blade member plate coincides with that of the sensor ring L (64).

Abstract: A hydromechanical forming tool is disclosed that may include electro-hydraulic forming chambers in which a stored charge circuit may be discharged through electrodes to improve the level of detail that may be formed in a blank. The hydromechanical forming tool may include a liquid chamber at the entrance to the draw chamber to reduce friction, as the blank is drawn into the draw chamber. The draw chamber may have a movable bottom wall that is moved in tandem with the punch to reduce the amount of liquid in the draw chamber and reduce the need to pump liquid into and out of the draw chamber during a hydromechanical forming tool cycle.

Abstract: A supporting core for using in a device for forming plates into a structured hollow profile and a method for producing structured hollow profiles from a plate, which on the one hand ensures an all-over support of the plate, and still enables the production of hollow profiles with a variable cross-section or a curved course, is provided by including individual supporting members, which when pushed together at least in part form as a surface an inner contour of the hollow profile to be produced and are interconnected by means of coupling elements, wherein the coupling elements allow the supporting members to be pulled-apart, and wherein the supporting members are interconnected in a hinged manner in the pulled-apart position.

Abstract: The invention relates to an apparatus for producing a profile by means of cold roll forming, said apparatus comprising a forming unit (9) having a least one adjustment stand (17, 17?, 17?, 17??) which comprises a roll stand including a pair of rolls between which there is a gap through which the sheet metal strip is passed along the length direction (X), wherein, during the cold roll forming, the roll stand is translationally and rotationally displaced with at least one translational degree of freedom and one rotational degree of freedom. According to the invention, the apparatus for forming a profile with varying height is configured so that the roll stand has one degree of freedom for rotation about an axis of rotation extending substantially in the direction of the gap between the rolls, said rotational degree of freedom being independent of the at least one translational degree of freedom. The invention also relates to a corresponding process.

Abstract: A rolling mill has an arrangement for aligning a work piece with the work rollers. A beam having a face or edge providing an alignment datum is introduced to the path of the work piece, which is contacted with, and pushed against the face or edge by the roller table. After the work piece is aligned, the beam is raised and the work piece proceeds to the working rollers.

Abstract: The present invention describes a replaceable breath alcohol sensor module that can be replaced with a new pre-calibrated breath alcohol sensor module or re-calibrated. The breath alcohol sensor module requiring calibration can be removed from the body of a Breath Alcohol Testing Device (commonly called “breathalyser” or “breathalyzer”). The breath alcohol sensor module can be separately calibrated for accurate calculation of “percent blood alcohol concentration” (% BAC) based on breath air samples and then re-installed into the breath alcohol tester or the old breath alcohol sensor module can be replaced with a new pre-calibrated breath alcohol sensor module. The present invention improves upon and/or replacing the current method of re-calibration at a breathalyzer service center.

Abstract: A method and apparatus for identifying a component failure within a thermal regenerator operates as follows. The burner control unit monitors at least one of a fuel pump characteristic for a fuel pump and an ignition system characteristic for an ignition system. The fuel pump is used to supply fuel to a fuel-fired burner and the ignition system is used to ignite fuel supplied to the fuel-fired burner. The fuel pump characteristic is communicated to the burner control unit which compares the fuel pump characteristic to a predetermined fuel pump criteria. The ignition system characteristic is communicated to the burner control unit which compares the ignition system characteristic to a predetermined ignition system criteria. The burner control unit identifies a fuel pump failure when the fuel pump characteristic does not meet the fuel pump criteria, and identifies an ignition system failure when the ignition system characteristic does not meet the ignition system criteria.

Abstract: Calibration instrument for an altimetric device delivering an indication of the altitude of the location where it is located on the basis of an atmospheric pressure measurement, characterized in that it includes means for transmitting a signal carrying data representative of the altitude at which it is placed. The invention also concerns a device delivering an indication of the altitude of the place where it is located on the basis of an atmospheric pressure measurement and a calibration system including a calibration instrument and an altimetric device.

Abstract: In one embodiment a damage impactor comprises a housing defining a passage, an impact assembly, an actuator assembly, and an engagement assembly. In one embodiment the impact assembly comprises a guide rod comprising an impact head, and a bias mechanism to bias the guide rod in a first direction. The actuator assembly comprises an actuator, and an actuator rod coupled to the actuator. The engagement assembly selectively couples the impact assembly to the actuator assembly by driving the actuator rod in the first direction to an engagement position where the engagement assembly couples the actuator rod to the guide rod, retracting the actuator rod in a second direction, opposite the first direction, to a release position and releasing the guide rod from the actuator rod. Other embodiments are also disclosed.

Abstract: A method for performing on-board functional diagnostics on a soot sensor of a vehicle and/or for detecting further components in the soot in a motor vehicle having an internal combustion engine. The soot sensor is electrically connected to an evaluation circuit with is permanently installed in the motor vehicle. In order to specify a method for performing functional diagnostics on a soot sensor and/or for detecting further components in the soot, with which method it is possible to detect a faulty soot sensor and/or further components in the soot in a cost-effective way, the evaluation circuit measures the temperature coefficient of the soot sensor and detects the defectiveness of the soot sensor and/or the presence of further components in the soot on the basis of the temperature coefficient of the soot sensor.

Abstract: Methods and systems for detecting and indicating the presence of undesirable substances in ingestible substance such as food or beverages. More specifically, systems and methods for nonvisually and concealably indicating and detecting the presence of unwanted or undesired drugs in beverages and/or food.

Abstract: A two-dimensional gas chromatography system having first and second separation columns, a thermal modulator disposed between the first and second columns and having a plurality of stage channels, and a micro heater monolithically integrated in the thermal modulator. The thermal modulator is operable to trap and focus gas/vapor species within the plurality of stage channels upon cooling and release the gas/vapor species to the second column upon heating by the micro heater.

Abstract: A photoacoustic detection device including a nanophotonic circuit including a plurality of semiconductor lasers capable of emitting a different frequencies; input couplers connected to optical waveguides; a multiplexer; an output optical waveguide, emerging into a recess; a tuning fork having its free arms arranged at the output of the output optical waveguide; and means for detecting the vibration of the tuning fork, all these elements being assembled in a monolithic component.

Abstract: A measuring sensor (1) for the selective determination of oil mist or aerosols makes possible gas analysis in the ambient air. The measuring sensor (1) is inserted into an adapter housing (11), and a vacuum, by which ambient air is drawn in via the gas inlet duct (8) of the measuring sensor (1), is generated in the adapter housing (11) by means of a gas delivery pump (15).

Abstract: A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated vapor amount estimation (IGVAE) unit, and an indoor absolute humidity estimation (IAHE) unit. The CARE unit calculates an estimated charge airflow rate (ECAR) of the air-conditioner based on operation control information of the charge fan and a preset fan differential pressure. The CAAHE unit calculates an estimated charge air absolute humidity (ECAAH) of the air-conditioner based on a charge air temperature and a preset charge air relative humidity. The IGVAE unit calculates an estimated indoor generated vapor amount (EIGVA) based on an indoor temperature, the number of persons in the room and activity index values of the persons. The IAHE unit calculates an estimated absolute humidity in the room based on the ECAR, the ECAAH and the EIGVA.

Abstract: HEMT-based hydrogen sensors are provided. In accordance with one embodiment, a normalized sensor is provided having a control HEMT-based sensor connected in series to an active HEMT-based sensor. The control and the active sensor include functionalized gate regions. The gate functionalization for both the control and the active sensor is the same material that selectively absorbs hydrogen gas. The control sensor further includes a protective layer to inhibit its gate functionalization from being exposed to hydrogen. In one embodiment, the final metal for the contacts of the sensors is used as the protective layer. In other embodiments, the protective layer is a dielectric or polymer.

Abstract: Methods and systems for detecting azetidine-2-carboxylic acid (Aze) in food consumable by humans and animals are provided. Also provided are methods and systems for inactivating Aze in food and byproducts, as well as other methods for the diagnosis, prevention, and treatment of disorders associated with Aze.

Abstract: The invention relates to an injection port for analysis appliances, said injection port (10), when fitted correctly on an analysis appliance, forming an access line which leads to an analysis chamber of the analysis appliance and through which it is possible to guide the cannula of a sample injector containing a sample to be analysed, characterized in that the injection port comprises at least one elastic valve element (24) which can be opened and closed in a controlled manner and by means of which the access line to the analysis chamber can be sealed off both in the absence of a cannula and also when a cannula is guided through the injection port. The invention further relates to an analysis appliance provided with a corresponding injection port, and to a device for actuating the injection port.

Abstract: A method is provided for determining an in-cylinder pressure curve representative of the evolution of the pressure within a cylinder of a multi-cylinder internal combustion engine. The method includes, but is not limited to setting a timeframe during the engine functioning, sampling pressure within at least two sensed cylinders of the engine, the samplings being performed during not contemporary sampling periods within the assumed timeframe, in order to acquire a partial in-cylinder pressure curve for each of said sensed cylinders, and using said partial in-cylinder pressure curves for reconstructing a whole in-cylinder pressure curve.

Abstract: A pressure sensor for measurements in a chamber of an internal combustion engine, in particular a pressure-measuring glowplug, comprises a housing, a pressure element for picking up a pressure, and a measuring element arranged in the housing downstream of the pressure element in the direction of the pressure and having a sensor element and a diaphragm. This diaphragm is permanently connected at its first end to the pressure element, and at its second end it is directly or indirectly permanently connected to the housing at a connection, with the pressure element being supported on the measuring element via the diaphragm.

Abstract: A degrader and a diagnostic kit for an electronically-controlled fuel-injected internal combustion engine includes means adapted to interrupt a control signal from an engine management computer or powertrain control module (PCM) (15) to a fuel injector (11). It comprises a current sensor (17), adapted to measure the duration of a pulsed supply of fuel to the injector, a switching block (18) to interrupt the supply if required, and a microprocessor (22) to actuate the switching block and to produce a signal which may be used to control injection of fuel into the engine.

Abstract: Distributed acoustic, vibration, density and/or strain sensing is utilized for downhole monitoring. A method of tracking fluid movement along a wellbore of a well includes: detecting vibration, density, strain (static and/or dynamic) and/or Brillouin frequency shift in the well using at least one optical waveguide installed in the well; and determining the fluid movement based on the detected vibration, density, strain and/or Brillouin frequency shift. Another method of tracking fluid movement along a wellbore of a well includes: detecting a change in density of an optical waveguide in the well; and determining the fluid movement based on the detected density change.

Abstract: A measurement device includes a housing, a sensor disposed in the housing to measure a force exerted on the housing and generate a signal representing the force exerted on the housing, and a digital display for receiving the signal from the sensor and presenting a visual output to a user based upon the force exerted on the housing.

Abstract: The flow rate measuring apparatus includes a connector portion, a main body portion, a bypass passage, a flow rate sensing element having a flow rate detection portion, a control circuit, a pair of metal terminals having end portions connected to a connector, embedded portions molded integrally with a resin portion constituting the main body portion, and exposed portions exposed in the main passage, which are connected to each other in a cascade manner, and a fluid temperature sensing element having a temperature sensing portion. The fluid temperature sensing element is arranged at a position apart from an outer wall surface of a side face of the bypass passage, and the temperature sensing portion is arranged at the center between the pair of metal terminals that are exposed in the main passage by the same length or between extension lines thereof.

Abstract: A method for monitoring the fill level of a liquid in a liquid container, in particular for monitoring the coolant fill level in a reactor pressure vessel of a pressurized water reactor system, wherein a determination is made about the drop in the liquid level below the installed height of a heated thermal element by way of the temperature difference measured between said heated thermal element and an unheated thermal element associated therewith, both of said elements being disposed in the liquid container, said method comprising the especially reliable triggering of an alarm with a short response time while maintaining a low level of physical and controls engineering complexity when the liquid level to be monitored falls below a critical value.

Abstract: A humidity sensor has, on a substrate, at least one voltage sensor with a sensor region and at least one control electrode. The control electrode is connected to a signal source which is designed such that a variable control voltage can be applied to the control electrode. A moisture-permeable sensor layer whose dielectric constant depends on humidity is located on the sensor region. The control electrode is adjacent to the sensor layer in such a manner that the measured voltage signal of the voltage sensor depends on the control voltage and the humidity. The voltage sensor is connected to an analysis unit for ascertaining the humidity on the basis of the measured voltage signal. In the vertical projection onto the plane in which the substrate extends, the control electrode is located laterally next to the sensor region.

Abstract: A sensor mounting cover is for a rolling-contact bearing and includes a transverse wall and an axial projection joined to the transverse wall and provided with a through-seat for housing a sensor. The sensor faces the bearing from a window defined by an inner edge of the seat and a closure element is associated with the axial projection and is arranged at least around the inner edge so as to close the window.

Abstract: A system includes a processing module, a sampling module, a period determination module, and a speed determination module. The processing module generates time stamps when pulses are received from a sensor that senses a rotation of a device. The sampling module samples the time stamps during N predetermined intervals and stores N of the time stamps that correspond to the N predetermined intervals, where N is an integer that is greater than 2. The period determination module determines a plurality of periods, wherein each one of the plurality of periods is based on a difference between two of the N time stamps. The speed determination module determines a rotational speed of the device based on a difference between two of the plurality of periods.

Abstract: A method and system are provided including a rotation-rate sensor having a substrate, a bearing, a vibrating structure suspended on the bearing by springs in a rotatable manner for performing a planar driving vibration motion, and drive means for producing the planar driving vibration motion of the vibrating structure. The rotation-rate sensor has first evaluation means for detecting a rotation in a first axis of rotation and second evaluation means for detecting a rotation in a second axis of rotation.

Abstract: A method utilizes an optical resonator that includes a reflective element and a spatial mode filter positioned relative to the reflective element such that light emitted from the spatial mode filter is reflected by the reflective element. The optical resonator has an optical resonance with a resonance lineshape that is asymmetric as a function of wavelength.

Abstract: A new analytical technique, instrument and method of testing a material utilising same is provided. The method of analysing a test material comprises the steps of (vii) inducing an acoustic emission from a vessel containing a solvent and measuring said emissions; (viii) dissolving a known amount of the test material in the solvent; measuring changes in resonance and absorbance frequencies before and after dissolution to produce a broadband acoustic resonant dissolution emission profile.

Abstract: Provided is a method for detecting composite defects between a first material and a second material, comprising the steps of: (a) introducing horizontally polarized low-frequency transverse waves into an upper surface of the composite material; (b) detecting an ultrasound echo of the emitted low-frequency horizontally polarized transverse waves; (c) displaying the detected ultrasound echoes on a display device.

Abstract: Embodiments of techniques and technologies to verify the interference fit of fasteners are disclosed. In one embodiment, a transducer is positioned to transmit a shear ultrasonic signal through a region of a fastener which is subject to stress when the fastener experiences an interference fit. The shear ultrasonic signal is transmitted through a region of the fastener subject to the stress. As the transmitted ultrasonic signal encounters the region, it is mode converted corresponding to a degree of interference which the fastener is experiencing. A return ultrasonic signal from the fastener is received with the transducer. From the return ultrasonic signal, a processor determines the degree of interference fit which the fastener is experience and outputs an indication of the same.

Abstract: A system and method is provided for using acoustical pulses generated from an airborne laser source to locate objects under water. An array of acoustic sensors, such as passive sonobuoys at the ocean surface, is deployed in known or determinable locations by aircraft. Each area surrounded by acoustic sensors comprises a search cell, within which sonar scattering data can be used to locate objects. Following sonobuoy deployment, the aircraft uses the laser to rapidly generate many laser-acoustic pulse sources within each search cell, which in turn generate spherical acoustic pulses traveling through the water. The acoustic sensors receive the acoustic pulses, either on a direct path or on a scattered path after the pulse strikes an underwater object. The sensors record the acoustic signatures of the received pulses and transmit data of the recorded acoustic pulses to a processor such as processor on a nearby ship.

Abstract: An ultrasound transmitter including intrinsic output zeroing is disclosed herein. A transmitter for generating ultrasound signals includes a first transmitter output driver and a first transmitter input driver. The first transmitter output driver includes an N-type device serially coupled to a P-type device. The first transmitter input driver includes an N-type device serially coupled to a P-type device. An output of the first transmitter input driver is coupled to an input of the first transmitter output driver. The first transmitter output driver drives an output of the transmitter to a first voltage and the first transmitter input driver drives the output of the transmitter to a second voltage while the first transmitter output driver is disabled.

Abstract: A ultrasound flaw probing device (100) is provided with a ultrasonic probe (1) with a plurality of vibrators (11) arranged along a predetermined circular curved surface, a transmission and reception control means (2) that selects at least two or more pieces of the vibrators to carry out the transmission and reception of a ultrasonic wave for inspecting a tubular subject member (P) to be probed, and a probing waveform display means (3) that radially displays a probing waveform received by the selected pieces of the vibrators arranged in accordance with propagation directions of the ultrasonic transmitted and received from the vibrators.

Abstract: Provided are an ultrasonic probe capable of forming an image without degradation even when the frequency band of a photoacoustic wave and the frequency band of an ultrasonic wave used in ultrasonography are separated from each other, and an inspection object imaging apparatus including the ultrasonic probe. The ultrasonic probe includes a first array device capable of transmitting and receiving an ultrasonic wave; and a second array device capable of receiving a photoacoustic wave. The first array device includes plural electromechanical transducers arranged in a direction perpendicular to a scanning direction, the second array device includes plural electromechanical transducers arranged in a two-dimensional manner, and the first array device and the second array device are provided on the same plane and in the scanning direction.

Abstract: A tilt and vibration sensor incorporating a plurality of electrodes and a conductive spherical. body which is turned on and off by the moving displacement of the spherical body, and which may be remarkably reduced in size and may have high performance and high operating sensitivity, high durability, and high reliability; and a method of manufacturing the sensor. The case (1) of the sensor comprises a case body (5) formed of a non-conductive material having such excellent gas-barrier property and heat resistance that can stop the transmission of gases which affects the on/off operation of the sensor due to the moving displacement of the conductive spherical body (4) and a cover body (7) sealing airtight the opening part (6) of the case body.

Abstract: An ultrasonic sensor that has a simplified structure, ensures high water resistance, and shortens the manufacturing time. An ultrasonic sensor includes a transducer, an electronic circuit substrate on which an electronic circuit is arranged to process an ultrasonic signal transmitted and received via the transducer, and a housing including a substrate retainer that retains the electronic circuit board. The substrate retainer includes a lid welded to an open portion thereof to hermetically seal the substrate retainer against the entry of a liquid.

Abstract: A pressure sensor in contact with an aggressive fluid for a pressure measurement has a board with a pressure passage. The pressure passage is closed on one side by a sensor chip as a pressure sensing element. The board also mounts an integrated circuit and electrical contacts for electrical contacting of the pressure sensor. At least the on board arranged pressure sensing element as well as the integrated circuit are tightly enclosed by a capper made of a fluid resistant material in connection with the board, and are arranged in an encasing cavity formed by the capper and the board for fluid resistant protection.