415results about How to "Reduce manufacturing complexity" patented technology

The present invention Is a fabrication method for a short-channel Schottky-barrier field-effect transistor device. The method of the present invention includes introducing channel dopants into a semiconductor substrate such that the dopant concentration varies in the vertical direction and is generally constant in the lateral direction. A gate electrode is formed on the semiconductor substrate, and source and drain electrodes are formed on the substrate to form a Schottky or Schottky-like contact to the substrate.

A method and package for storing a pressurized container which is filled with a drug formulation at a predetermined pressure. The drug formulation includes a mixture of a drug and a propellant. The package which encloses the pressurized container substantially prevents ingression of water vapor and particulate matter into the package while permitting egression of the propellant which may leak from the pressurized container.

A dispensing device comprises a sealed package including a collapsible compartment and an administration assembly. The administration assembly includes a delivery device in fluid communication with a substance within the sealed package. A compression panel collapses the compartment to dispense a substance through the delivery device. Embodiments for a single use dispenser for hypodermic administration of a unit dose of a therapeutic fluid, as well as therapeutic packages and methods for administering therapeutic substances to subjects, are also provided.

A radio frequency antenna system and high-speed digital data link are disclosed to, among other things, reduce electromagnetic interference (“EMI”) at relatively high data rates while reducing the manufacturing complexities associated with conventional data links. In one embodiment, a radio frequency (“RF”) antenna system includes an antenna and an RF radio coupled to the antenna for receiving wireless RF signals. In particular, the RF radio is configured to digitize RF signals at a fixed data rate to form digitized data signals and to apply the digitized data signals at a variable data rate to a high-speed digital link. The variable data rate distributes the signal energy of the digitized data signals over one or more bands of frequencies, thereby beneficially altering an EMI spectral profile describing emissions that develop as the digitized data signals are transported through a channel.

An RFID tag may include an antenna substrate comprising a conductive layer etched or deposited to form an antenna, and a circuit substrate comprising a conductive layer etched or deposited to form a circuit, the antenna electro-magnetically coupled to the circuit. An RFID tag may be formed from an insert substrate comprising an insulative layer between two conductive layers, one of the conductive layers etched to form an antenna and the other conductive layer etched to form a circuit. The insert substrate may be received in an envelope formed by a label substrate, which may carry a pressure sensitive adhesive.

A method and system senses the attitude of an accelerating object by measuring acceleration with accelerometers in three orthogonal axes and measuring angular rate with angular rate sensors disposed about each such axis to compute attitude of the object accurately relative to a vertical axis. A processor updates a quaternion representation of attitude based upon the angular rate of the object, and a corrective rate signal is determined from level frame acceleration as a reference for a Kalman filter in calculating the attitude of the object.

The invention relates to slickened or siliconized flame resistant fiber blends that are well suited for use in mattresses, boxsprings, upholstered furniture, fiber-filled bed clothing, transportation seating or any end use application where a soft materials are desired for flame resistant (FR) purposes. Some of the fibers in the blend are slickened. The FR fibers incorporated into these blends include both char forming FR fibers and oxygen depleting FR fibers. FR char-forming fibers are those which exhibit little shrinkage when exposed to direct flame and are not spun from polymers manufactured with halogenated monomers. Oxygen depleting FR fibers are spun from polymers manufactured with halogenated monomers.

This application describes designs, implementations, and techniques for controlling propagation mode or modes of light in a common optical path, which may include one or more waveguides, to sense a sample.

The illumination device includes a plurality of light source units and a plurality of optical concentrators facing the plurality of light source units and each having an entry surface, lateral surfaces, and an output surface. A color synthesizing unit synthesizes light emitted by the plurality of optical concentrators and includes two intersecting dichroic filters. A relay optical system transmits light synthesized by the color synthesizing unit to an illuminated surface.

A corner joint of a frame for fixing a solar panel disposed between two adjacent frame pieces of the frame includes an L shaped member and a sheath. Two ends of the L shaped member separately extend to one corresponding frame piece of the two adjacent frame pieces to form an extending arm plugged into a latching slot defined in an end of the corresponding frame piece. The L shaped member further includes a bending portion defining a mortise extending to the extending arm. The sheath includes two adjacent joint surfaces for abutting the two adjacent frame pieces. The sheath defines an upper receiving space and a lower receiving space therein. The upper receiving space and the lower receiving space are separately exposed from the joint surfaces. The upper receiving space and the lower receiving space are configured for receiving a corner of the solar panel and the bending portion, respectively. The sheath further includes a tenon capable of being plugged into the mortise and received in the latching slot such that the sheath joins the L shaped member and the solar panel. The corner joint can be easily molded and the manufacturing cost thereof is low.

A thermosiphon system includes a condenser, an evaporator, and a condensate line fluidically coupling the condenser to the evaporator. The condensate line can be a tube with parallel passages can be used to carry the liquid condensate from the condenser to the evaporator and to carry the vapor from the evaporator to the condenser. The evaporator can be integrated into the tube. The condenser can be constructed with an angled core. The entire assembly can be constructed using a single material, e.g., aluminum, and can be brazed together in a single brazing operation.

A variable-nozzle turbocharger includes a cartridge containing a variable vane mechanism connected between the center housing and the turbine housing. The cartridge comprises an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into the bore of the turbine housing and having a nozzle portion extending radially out from one end of the tubular portion and being axially spaced from the nozzle ring with the vanes therebetween, a plurality of spacers connected between the nozzle portion of the insert and the nozzle ring, and an annular retainer ring fastened to the center housing so as to capture the nozzle ring between the retainer ring and the center housing. The retainer ring is formed as a separate part from the insert ring and is mechanically and thermally decoupled from the insert.

The invention provides a resonant type Fabry-Perot optical fiber sensor which comprises a sensor body and a through hole penetrating through the sensor body. One end of the through hole is provided with a graphene thin film for sensing the to-be-detected air pressure in an attached mode, and the other end of the through hole is provided with transmission optical fibers which penetrate through the through hole and are matched with the through hole. According to the resonant type Fabry-Perot optical fiber sensor, the air pressure of gas is calculated in the mode that graphene thin film resonant frequency changes are caused by damp of the gas to the graphene thin film, so that a closed Fabry-Perot cavity is not needed, and the manufacturing difficulty is reduced; the the original measurement thin film deformation quantity is replaced by resonance to further conduct air pressure measurement, and thin film material creeping caused by repeated film deformation is effectively reduced; digital frequency signals after probe laser detection are output after the sensor conducts detection, and result analysis can be conveniently carried out compared with light wave signals of an interferometric sensor. Stimulation and detection are carried out through the single transmission optical fibers, and long-distance air pressure measurement can be achieved, and the applicability of the sensor is greatly improved.

The invention relates to a digital loudspeaker drive method and a device based on quaternary code dynamic mismatch reshaping. The method comprises the steps of (1) conducting input format conversion, (2) conducting multi-bit sigma to delta modulation, (3) conducting thermometer code conversion, (4) conducting dynamic mismatch reshaping processing, (5) conducting channel data combination and mapping coding, (6) controlling metal-oxide-semiconductor field effect transistor (MOSFET) pipe of a full-bridge power amplifier network to conduct opening and closing status switching, and driving a digitalized loudspeaker load to produce sound. The device comprises a sound source (1), a digital format converter (2), a multi-bit sigma to delta modulator (3), a thermometer coder (4), a dynamic mismatch reshaper (5), a channel data combiner (6), a mapping coder (7), a multi-channel digital amplifier (8) and the digitalized loudspeaker load (9). The units are sequentially connected in order. According to the digital loudspeaker drive method and the device based on quaternary code dynamic mismatch reshaping, use efficiency of an amplifier pipe and the load is improved, development periods and hardware implementation cost are saved, and good immunity is provided for frequency response deviation of digital channels.

A display driving circuit. The circuit comprises a first electrode from which a data signal is output, a second electrode from which a scan signal is output, a capacitor having a first and second end with a voltage difference therebetween, a light emitting diode having an anode and cathode coupled to a first power supply providing a first voltage(Vss), a first switch having a first end coupled to the first electrode to receive the data signal and a second end coupled to the first end of the capacitor, a second switch having a first end coupled to a second power supply providing a second voltage(VDD) and a second end coupled to the anode of the light emitting diode, and a third switch having a first end coupled to a third power supply providing a third voltage(Vref) and a second end coupled to the second end of the capacitor.

A connector having at least one channel configured to receive the edge of a soft centred panel to be connected wherein the interior walls of the channel are smooth and the end portion of the soft centred panel abuts substantially all the internal area of the channel and at least one attachment portion configured to receive at lease one finishing accessory.

A sensor system for determining a parameter of a fluid medium, e.g., an intake air mass flowing through a channel, includes at least one sensor chip situated in the channel for determining the parameter, which sensor chip is accommodated in a sensor carrier which (i) protrudes into the channel and (ii) has a leading edge situated transverse to the flow of the fluid medium. At least one vortex generator is provided, at least in the region of the leading edge, and configured for forming secondary flows in the flowing fluid medium in the region of the sensor carrier, for avoiding or reducing the entry of particles. The secondary flows extend in a plane essentially perpendicular to the main flow direction of the fluid medium, e.g., facing away from the sensor area.

A light emitting stacked structure including a plurality of epitaxial sub-units disposed one over another, each epitaxial sub-unit configured to emit colored light having different wavelength band from each other, and a common electrode disposed between and connected to adjacent epitaxial sub-units, in which light emitting regions of the epitaxial sub-units overlap each other.

The present invention is directed to an air-cooled radiographic apparatus, and its method of manufacture, that utilizes a single integral housing for providing an evacuated envelope for an anode and cathode assembly. The integral housing is preferably formed from a substrate material that has a radiation shielding layer comprising a powder metal that is deposited with a plasma spray process. The powder metal includes, for example, tungsten and iron, so that the radiation shield layer provides sufficient radiation blocking and heat transfer characteristics such that an additional external housing is not required. In one alternative embodiment, the integral housing is composed of a solidified, integrated mixture of metallic powders that function together as both the integral housing wall and the radiation shielding. In another alternative embodiment, chromium is intermixed into the mixture of metallic powders to form a thermally emissive surface upon firing the housing in a wet hydrogen environment.

A digital pulse-width-modulation (PWM) generator comprising:

• • an n bit digital magnitude comparator having first and second n bit inputs and an output indicative of the relative values of the signals applied at the first and second inputs;
  • a first n bit digital up/down counter having a count direction input coupled to receive a sign bit of a digital unary input signal, an n bit parallel binary count output connected to the first n bit input of the magnitude comparator, and a clock input;
  • a second n bit counter having a clock input coupled to receive a constant rate clock signal and an n bit parallel binary count output connected to the second n bit input of the magnitude comparator;
  • an AND gate having a first input coupled to receive the constant rate clock signal in frequency divided form and a second input coupled to receive a magnitude portion of the digital unary input signal, and further having an output connected to the clock input of the first counter; and
  • wherein the comparator continually generates an output signal indicative of the relative magnitudes of the counts of the first and second counters, whereby said output signal is a PWM output signal with an average value representing a ramp voltage having a slope determined by magnitude portion of the digital unary input signal with a direction of a slope of the output signal being determined by the polarity of the sign bit.

A thrust reverser assembly and operation suitable for high-bypass turbofan engines. The thrust reverser assembly includes a translating cowl mounted to a nacelle of an engine and adapted to translate in an aft direction of the engine. The translating cowl has a radially inner wall that defines a radially outer flow surface of a bypass duct of the engine. The thrust reverser assembly includes blocker doors axially guided adjacent first ends thereof by a fixed structure and pivotally and slidably connected along lengths thereof to the inner wall of the translating cowl so that translation of the translating cowl in the aft direction causes each blocker door to move from a stowed position to a deployed position as a result of the blocker door sliding at its first end relative to the fixed structure and sliding along its length relative to the inner wall of the translating cowl.

The invention provides an ESD protection diode-integrated shielding gate trench MOSFET device and a manufacturing method thereof. The device comprises a semiconductor substrate, an epitaxial layer positioned on the semiconductor substrate, a first trench, a second trench and a third trench formed in the epitaxial layer and arranged in sequence, a shielding electrode filled in the second trench andon the lower parts of the first trench and the third trench, an insulating isolation layer for coating the shielding electrode, a gate electrode and a gate dielectric layer for filling the upper partof the first trench, an ESD protection diode arranged on the upper part of the third trench, a body region positioned on the upper part of the epitaxial layer, a source region positioned on the bodyregion, and a drain region arranged below the semiconductor substrate, wherein source end metal is electrically connected with the source region, the body region, the shielding electrode and one end of the ESD protection diode; and the gate end metal is connected with the gate electrode and the other end of the ESD protection diode. The device is compact in structure and excellent in performance,and the realization method is simple, so that the electric leakage of the ESD protection diode can be lowered, and the anti-ESD impact capability of the MOSFET gate is improved.