Abstract: A method of forming an inverted T shaped channel structure having a vertical channel portion and a horizontal channel portion for an Inverted T channel Field Effect Transistor ITFET device comprises providing a semiconductor substrate, providing a first layer of a first semiconductor material over the semiconductor substrate and providing a second layer of a second semiconductor material over the first layer. The first and the second semiconductor materials are selected such that the first semiconductor material has a rate of removal which is less than a rate of removal of the second semiconductor material. The method further comprises removing a portion of the first layer and a portion of the second layer selectively according to the different rates of removal so as to provide a lateral layer and the vertical channel portion of the inverted T shaped channel structure and removing a portion of the lateral layer so as to provide the horizontal channel portion of the inverted T shaped channel structure.

Abstract: An apparatus for single analyte molecule detection includes: a light source (20) for generating excitation light; a dichroic mirror (22) disposed on a first path of excitation light generated by the light source, wherein the mirror directs excitation light into a fiber aligner (30); an optical transducer coupled to the light source by the fiber aligner, the optical transducer comprising an optical waveguide (40) made of dielectric material having a first dielectrical index; a photon detector (70) disposed to receive fluorescent back radiation, wherein when a test solution having a second dielectric index lower than the first index is provided and comprises one or more target molecules, excitation light is transmitted by the waveguide and exits a waveguide tip disposed in the test solution so as to excite one or more target molecules; subsequently, the waveguide transmits back radiation along a second path to the photon detector that detects the transmitted back radiation.

Abstract: A hydraulic circuit for a toroidal transmission comprises: a) a single pump, b) a main pressure controller connected to the pump to generate a main line pressure in a main line, c) a roller controller connected to the main line to generate two roller control pressures from the main line pressure, d) at least one hydraulic roller actuator for adjusting a roller in a toroidal space set up by two disks, the roller actuator being connected to the roller controller, e) a disk controller connected to the main line, a disk control pressure being generated in the disk controller from the main line pressure, and f) at least one hydraulic disk actuator for axially adjusting at least one of the disks, the disk actuator being connected to the disk controller.

Abstract: An apparatus for single analyte molecule detection includes: a light source (20) for generating excitation light; a dichroic mirror (22) disposed on a first path of excitation light generated by the light source, wherein the mirror directs excitation light into a fiber aligner (30); an optical transducer coupled to the light source by the fiber aligner, the optical transducer comprising an optical waveguide (40) made of dielectric material having a first dielectrical index; a photon detector (70) disposed to receive fluorescent back radiation, wherein when a test solution having a second dielectric index lower than the first index is provided and comprises one or more target molecules, excitation light is transmitted by the waveguide and exits a waveguide tip disposed in the test solution so as to excite one or more target molecules; subsequently, the waveguide transmits back radiation along a second path to the photon detector that detects the transmitted back radiation.

Abstract: In order to produce a variable valve lift device for the lift adjustment of the gas-exchange valves of an internal combustion engine, by means of which with adjustment forces and holding forces, independently from whether said holding forces and adjustment forces are applied mechanically, hydraulically or electrically, with an adjustment of the valve lift being as cost-effective as possible, and with maximum accuracy of the adjustment or control of the valve lift to be taken between the individual cylinders of a multi-cylinder internal combustion engine, and, moreover, the adjustment possibility of the valve lift of the valves of an internal combustion engine with several cylinders is obtained within smallest tolerances, it is suggested that a valve lift device (1) has a rotatable eccentric shaft (3), which consists of several eccentrics (4, 5) and whereby all possible contours of the eccentrics (4, 5) are positioned within a circle, which is formed by means of the external diameters of a bearing (6, 7) of th

Abstract: A hydraulic circuit for a toroidal transmission comprises: a) a single pump, b) a main pressure controller connected to the pump to generate a main line pressure in a main line, c) a roller controller connected to the main line to generate two roller control pressures from the main line pressure, d) at least one hydraulic roller actuator for adjusting a roller in a toroidal space set up by two disks, the roller actuator being connected to the roller controller, e) a disk controller connected to the main line, a disk control pressure being generated in the disk controller from the main line pressure, and f) at least one hydraulic disk actuator for axially adjusting at least one of the disks, the disk actuator being connected to the disk controller.

Abstract: An improved antenna assembly, wherein: the opposing end regions of the dipole halves are each electrically connected to a respective connection line; the connection lines lead to two amplifiers; the outputs of both amplifiers are connected to the two inputs of a transform, whose output is at least indirectly electrically connected to a connector, a coaxial connector; one or more filters are provided; the filters are positioned between the connection lines and the connector terminal; the filter or filters is/are designed to suppress mobile radio frequency ranges and/or to protect broadcasting signals.

Abstract: A semiconductor device includes a mechanically strained channel, wherein the channel comprises of a single crystalline structure of a strained semiconductor layer having a non-linear geometry, the non-linear geometry including a portion of an arch shape. The semiconductor device further includes a dielectric layer, wherein a first portion of the channel is disposed overlying a point location within the dielectric layer and a second portion of the channel is disposed overlying a portion of the dielectric layer proximate to and outside of the point location. In addition, a gate is disposed proximate to the channel for controlling current flow through the channel between first and second current handling electrodes that are coupled to the channel.

Abstract: A method of forming a semiconductor device includes forming a local strain-inducing structure of a first semiconductor material at a point location within a dielectric layer. The local strain-inducing structure has a prescribed geometry with a surface disposed above a surface of the dielectric layer. A second semiconductor material is formed over the dielectric layer and the local strain inducing structure, wherein formation of a first portion of the second material over the dielectric layer provides a poly crystalline structure of the second material and wherein formation of a second portion of the second material over the local strain-inducing structure provides a single crystalline structure of the second material subject to mechanical strain by the surface of the local strain-inducing structure. The single crystalline structure serves as a strained semiconductor layer of the semiconductor device.

Abstract: An improved antenna assembly, wherein: the opposing end regions of the dipole halves are each electrically connected to a respective connection line; the connection lines lead to two amplifiers; the outputs of both amplifiers are connected to the two inputs of a transform, whose output is at least indirectly electrically connected to a connector, a coaxial connector; one or more filters are provided; the filters are positioned between the connection lines and the connector terminal; the filter or filters is/are designed to suppress mobile radio frequency ranges and/or to protect broadcasting signals.

Abstract: A storage device for a liquid medium has a housing having an interior provided with at least one partitioning element dividing the interior into a first chamber for receiving the liquid medium and into a second chamber filled at least partially with a gas under pressure. The gas keeps the liquid medium in the first chamber under pressure. The at least one partitioning element is formed at least partially of an expandable bellows fastened pressure-tightly to a lid of the housing.

Abstract: A control device for semiautomatic gearshifting mechanisms of motor vehicles has a selector shaft of a gearshifting mechanism and at least one rotatable shifting element acting on the selector shaft so as to rotate and axially move the selector shaft for selecting a gutter and shifting a gear. A switching valve actuates the at least one shifting element for rotating the selector shaft and for axially moving the selector shaft. The shifting element is a shift drum with at least one control curve. The control curve is a groove in the mantle of the shifting element. The control device provides a simplified hydraulic control of the switching valves and has a simplified configuration.

Abstract: A storage device for a liquid medium has a housing having an interior provided with at least one partitioning element dividing the interior into a first chamber for receiving the liquid medium and into a second chamber filled at least partially with a gas under pressure. The gas keeps the liquid medium in the first chamber under pressure. The at least one partitioning element is formed at least partially of an expandable bellows fastened pressure-tightly to a lid of the housing.

Abstract: A gear actuator for engaging and disengaging gears in an automatic manual transmission has a single working piston or two working pistons provided with a first working piston surface and a second working piston surface. An auxiliary piston is provided also. A pressure control valve controls a pressure supplied to the second working piston surface. A shut-off valve is provided. The first working piston surface and the pressure valve are supplied with a system pressure of a hydraulic system. The first working piston surface and the pressure control valve can be decoupled from the system pressure of the hydraulic system by the shut-off valve.

Abstract: An electronic-hydraulic control device for gearboxes of vehicles, preferably motor vehicles, includes a housing in which an electronic unit for controlling magnetic valves is accommodated. The valves are supplied with a pressure medium. The housing has a magnetic housing part in which magnetic parts of the magnetic valves and the electronic unit of the control device are accommodated and which lies outside the gearbox, and a hydraulic housing part in which hydraulic parts of the magnetic valves are located and which is positioned at least partially inside the gearbox housing.

Abstract: An actuator for gutter selection in a gear positioning device for an automatic manual transmission has a selector shaft with a selector finger. A gutter selection device is movable back and forth along an axis into a first position and a second position. The selector finger of the selector shaft can move into engagement and out of engagement with the gutter selection device. A single valve device is provided for determining the first and second positions of the gutter selection device.

Abstract: A control device for hydraulic, mechanical, and hydraulic-mechanical components has a housing in which at least one drive element is arranged. The drive element is a piezo element having a voltage-dependent stroke-force behavior. The piezo element acts directly onto the component to be actuated. The control device with the piezo element replaces actuating devices such as solenoids, complete valves, as well as coupling and switching mechanisms.

Abstract: A gear actuator for engaging and disengaging gears in an automatic manual transmission has a single working piston or two working pistons provided with a first working piston surface and a second working piston surface. An auxiliary piston is provided also. A pressure control valve controls a pressure supplied to the second working piston surface. A shut-off valve is provided. The first working piston surface and the pressure valve are supplied with a system pressure of a hydraulic system. The first working piston surface and the pressure control valve can be decoupled from the system pressure of the hydraulic system by the shut-off valve.

Abstract: The present invention relates to a gutter selection actuator as well as a method for gutter selection in a transmission. The gutter selection actuator has precisely one double-action gutter piston (2) and one valve device (20) and can be controlled by a common control pressure. A selector finger (4) of a selector shaft (3) can be engaged and disengaged with the gutter piston (2). The position and the movement of the gutter piston (2) is determined in this connection exclusively by the valve device (20).

Abstract: A hydraulic system for actuating at least two operating systems of a motor vehicle has a first hydraulic medium reservoir for storing a hydraulic medium. A distribution valve is connected to the first hydraulic medium reservoir and to the operating systems of the motor vehicle. A control unit is connected to the distribution valve which is configured to distribute the hydraulic medium from the first hydraulic medium reservoir to the operating systems of the motor vehicle and to control flow of the hydraulic medium to the operating systems of the motor vehicle such that one of the operating systems has priority with regard to supply of the hydraulic medium. A first one of the operating systems is a brake device having a brake power assist unit, a brake valve, and a master brake cylinder. The brake power assist unit is connected via the brake valve to the control unit.