427results about How to "Design freedom" patented technology

A semiconductor device facilitates obtaining a higher breakdown voltage in the portion of the semiconductor chip around the drain drift region and improving the avalanche withstanding capability thereof. A vertical MOSFET according to the invention includes a drain layer; a drain drift region on drain layer, drain drift region including a first alternating conductivity type layer; a breakdown withstanding region (the peripheral region of the semiconductor chip) on drain layer and around drain drift region, breakdown withstanding region providing substantially no current path in the ON-state of the MOSFET, breakdown withstanding region being depleted in the OFF-state of the MOSFET, breakdown withstanding region including a second alternating conductivity type layer, and an under region below a gate pad, and the under region including a third alternating conductivity type layer.

A developing unit includes an impressed member to which a voltage is impressed, a contact member which is made of a metal wire rod and urged by an elastic force to make contact with the impressed member and to be connected electrically with the impressed member, and a supporting plate member which supports the contact member at an inner surface side and exposes a part of the contact member as a contact part for an outer connection to an outer surface from an attaching hole.

A fuel cell stack includes a stack body formed by stacking a plurality of power generation cells. At opposite ends of the stack body in a stacking direction, end plates are provided. A second power collecting terminal protrudes outwardly from the end plate. One end of a bus bar is electrically connected to the second power collecting terminal such that the bus bar extends along an end plate surface intersecting the second power collecting terminal. A high voltage cable is connected to the other end of the bus bar. The high voltage cable is drawn toward the end plate.

A fiber optic connector arranged to be releaseably connected to a fiber optic adaptor. The fiber optic connector includes a body configured to receive and terminate two optical fibers, and a latch mechanism provided on the body. The latch mechanism is configured for releasable engagement with each of two sockets of the fiber optic adaptor. The latch mechanism of the fiber optic connector is configured for actuation in a direction laterally across the body.

An insert for forming an end connection in a uni-axial composite material, and an end connection comprising at least one insert, is disclosed. The insert comprises a sleeve which comprises a plurality of fibres having a multi-axial arrangement. At least a portion of the interior surface of the sleeve comprises a thread formation. A method of forming an end connection in a uni-axial composite material is also disclosed. The method comprises providing a sleeve comprising a plurality of fibres having a multi-axial arrangement and providing a thread formation on at least a portion of the interior surface of the sleeve. The sleeve is positioned and secured within the uni-axial composite material.

The present invention provides a method for fabricating a polymer optical waveguide device, the method at least includes: preparing a mold including a cured resin layer of a mold forming curing resin and having a concave portion correspondent to a core portion of an optical waveguide formed therein; attaching the mold to a cladding base material; filling the concave portion of the mold with a core forming curing resin; hardening the core forming curing resin to form a cured core portion; forming a space or a groove for placing an optical device in a middle part in the waveguide direction of the core portion such that the optical device cuts across the core portion; inserting and positioning the optical device in a predetermined position of the space or groove; and conducting an optical bonding between an optical pathway portion of the optical device and the core portion.

An optical arrangement includes a plurality of planar substrates with at least one planar integrated optical waveguide on each planar substrate. At least one optical waveguide structure has at least one end connected via an optical connecting structure to one of the planar integrated optical waveguides. The optical waveguide structure is positioned at least partly outside the integration plane for the planar integrated optical waveguide and a refractive index contrast between a core region and a cladding region of the optical waveguide structure is at least 0.01.

A method for making optical connections with optical waveguides includes mounting the optical waveguides or a device comprising the optical waveguides, on a component carrier. A partial region of the optical waveguides is embedded in a volume of resist material. Positions of the optical waveguides to be connected are detected with reference to a coordinate system using a measuring system. Favorable, three-dimensional geometries are determined for optical waveguide structures for connecting the optical waveguides to each other at predetermined connecting locations and the optical waveguide structure geometries are converted to a machine-readable dataset. The optical waveguide geometries in the volume of the resist material are three-dimensionally structured using a direct-writing lithography device operating on the basis of the machine-readable dataset. The structured resist material is treated using physical or chemical methods to form at least one optical waveguide structure having ends connected to predetermined connecting locations of the optical waveguides.

A fuel cell stack includes power generation cells, terminal plates, first cooling cells, and second cooling cells. The terminal plates are electrically connected to the power generation cells. The first cooling cells are interposed between the terminal plates, and a cooling liquid is supplied to the first cooling cells for cooling the power generation cells. The second cooling cells are interposed between the terminal plates. A predetermined number of power generation cells are interposed between the first cooling cell and the second cooling cell. A cooling air is supplied to the second cooling cell for cooing the power generation cells.

The invention relates to the technical field of material preparation, and particularly relates to a preparation method of a metal-resin composite and the metal-resin composite. The preparation method comprises the step of oil removing and degreasing treatment, native metal oxide surface layer removing treatment, secondary etching treatment, washing with water, drying treatment, and resin injection molding on a metal workpiece in sequence, so as to obtain the metal-resin composite. The composite has excellent characteristics of metal force and resin, metal and the resin can be firmly bonded, and experiments indicate that under relatively large action, even if the resin is broken off, the resin and the metal are still firmly bonded.

A lateral pumped fiber structure comprises: at least one active optical fiber, which is used to generate laser or amplify the laser; at least one passive optical fiber, which is used to connect a pumping source. The active optical fiber and the passive optical fiber form an optical contact in a radial direction. The manufacturing method of the lateral pumped fiber structure comprises the following steps: 1) respectively preparing an active optical fiber performing rod and a passive optical fiber performing rod; 2) respectively performing wire drawing to the prepared active optical fiber performing rod and the passive optical fiber performing rod and making the active optical fiber and the passive optical fiber; 3) coupling at least one active optical fiber to at least one passive optical fiber so that the optical contact in a radial direction between the active optical fiber and the passive optical fiber can be formed. By using the fiber structure of the invention, pumping efficiency is high; a manufacturing technology and coupling equipment are simple; costs are low. The fiber structure of the invention is especially suitable for a high power optical fiber laser and an optical fiber amplifier.

A magnetoresistive element has a ferromagnetic double tunnel junction having a stacked structure of a first antiferromagnetic layer/a first ferromagnetic layer/a first dielectric layer/a second ferromagnetic layer/a second dielectric layer/a third ferromagnetic layer/a second antiferromagnetic layer. The second ferromagnetic layer that is a free layer consists of a Co-based alloy or a three-layered film of a Co-based alloy/a Ni—Fe alloy/a Co-based alloy. A tunnel current is flowed between the first ferromagnetic layer and the third ferromagnetic layer.

The invention discloses refrigerating equipment and a folding storage rack of the refrigerating equipment. The folding storage rack of the refrigerating equipment comprises a rear storage rack and a front storage rack, wherein the rear storage rack is provided with a rear shelf and a left cantilever and a right cantilever which are positioned on two sides of the rear shelf respectively and arranged in parallel; the left cantilever and the right cantilever are positioned below the rear shelf and extend forwards out of a front end face of the rear shelf; first guide parts are formed on the leftcantilever and the right cantilever respectively; the front storage rack is arranged on the front side of the rear storage rack; second guide parts are formed on a left sidewall and a right sidewall of the front shelf respectively; the first guide parts are guide slots; the second guide parts are bumps which are arranged in the guide slots in a matching mode; and the first guide parts and the second guide parts are matched so as to guide the front storage rack to be lapped on the front side of the rear storage rack and to be folded below the rear storage rack. The folding storage rack of the refrigerating equipment provided by the embodiment of the invention has the advantages of stable structure and elegant appearance.

A signal carrying microstrip (510) is an integral part of the passive part (502) or the active part (501) of an RF-IC (integrated circuit carrying radio frequency signals). The ground plane (511) is an integral part of the base plate (503) of an RF-IC. The distance (h) between the microstrip (510) and the ground plane (511) is determined by the geometrical properties of the passive or the active part, of the base plate, and of the elements that act as spacers between the passive or active part and the base plate. The inventive microstrip structure allows the use of microstrips with different widths in an RF-IC without compromising the other important electrical characteristics like impedance level and inductive coupling. This opens the door for constructing a balun integrated into an RF-IC being able to e.g. make an impedance matching between different impedance levels.

The invention provides an impedance frequency select surface. A frequency select surface layer (1) leads in a dielectric spacer layer (2) and a resistance loading layer (3) which are constructed with a dissipative network; the resistance loading layer (3) and the isolation matching layer equivalently and electrically load the network and are in cascade connection with the frequency select surface layer; the frequency select surface layer and the resistance loading layer are attached to the dielectric spacer layer; the frequency select surface layer loads incident wave and electromagnetic wave capacitance and inductance, and leads in reflection loss; the resistance loading layer loads incident wave and electromagnetic wave resistance of the impedance frequency select surface layer; and the dielectric spacer layer is matched with the loaded resistance, the loaded capacitance and the loaded inductance. The impedance frequency select surface leads in the dielectric spacer layer and the resistance loading layer, so that limitation that a stop frequency band of the existing frequency select surface has the total reflection characteristic is eliminated; the stop frequency band is reduced effectively; and the technical problem that an RCS (Radar Cross Section) of the existing frequency select surface radome is limited to the structure shape is solved. The impedance frequency select surface can serve as RCS control of a spatial filter and a radome.

A motor generator is provided with a stator having a winding around each of a plurality of stator teeth, and a rotor having a plurality of permanent magnets by the number larger than that of the stator teeth, arranged in the circumferential direction at equal intervals. The stator teeth are formed of a first stator teeth section including a plurality of stator teeth groups I, II, and III each including the adjacent stator teeth around which a winding to which the same phase voltage is applied is wound and in which winding directions of the stator teeth are opposite to each other, and a second stator teeth section including a stator teeth having a winding wound therearound and being placed among stator teeth groups of different phases such that electric power is independently input and output with respect to the first and second winding sections. This makes it possible to reduce the space and the cost while inputting/outputting the electric power through different channels and allowing arbitrary design of the electric power distribution.

A subminiature microphone and speaker having a plate spring structure and a speech recognition/synthesizing device using the microphone and speaker include frames, vibration plates, plate spring structures, elastic portions connected to the frames and the vibration plates, and sensor units which are disposed at the elastic portions and sense vibration of the vibration plates transmitted to the elastic portions.

There is provided a household appliance including a housing and a cavity arranged within the housing. The housing element is further arranged to allow viewing of the cavity. A display which is transparent to at least one wavelength in the visible light spectrum is arranged in connection to the housing element and is further arranged such that the cavity is exposed from outside the household appliance. The display is a thin film type electroluminescent display which is arranged as an integral part of the housing element.

A sphere zone coupling of magnetic devices has a first rotor containing permanent magnet array and a second rotor. The first rotor and the second rotor have the sphere zone surfaces forming from magnetic array or similar of almost the same sphere radius facing with constant air gap at overlapped area. The axle of the first rotor and the axle of the second rotor are concentric and non-coaxial. The second rotor has permanent magnet array, ferromagnetic or conductive material to couple with the first rotor at the sphere zone surfaces. The rotation of the first rotor causes magnetic force to drive the second rotor. The transmission ratio will depend on the average zone radius ratio of two coupling rotors and the pair number ratio of magnets in magnetic arrays.