64results about How to "Increase effective area" patented technology

A micromachined ultrasonic transducer array comprising a multiplicity of cMUT cells built on a substrate. Each cMUT cell comprises a compliant support structure built on the substrate, a membrane supported over a cavity by the compliant support structure, a first electrode supported by the membrane, and a second electrode that forms a capacitor with the first electrode, the cavity being disposed between the first and second electrodes. The compliant support structure uncouples the non-membrane outer surface of each cMUT cell from the supporting substrate.

The invention relates to a polymer and nanometer sulfur composite material with a shell and egg yolk structure and a preparation method of the composite material. The composite material is provided with the shell and egg yolk double-layer structure, a central nucleus is formed by sulfur particles, an outer shell is formed by a polymer, a gap is preserved between the central nucleus and the shell, so that the double-layer structure like an egg shell and an egg yolk is formed; elemental sulfur is shrunk in the process that the temperature is quickly changed by using the change of crystal form and the change of density in different temperatures, and the elemental sulfur is partially dissolved and separated out by using a solvent, so that the composite material of the shell and egg yolk structure is formed. The composite material of the structure is applicable to cathodes of lithium sulfur batteries, structure collapse caused by volume expansion in the discharge process of the elemental sulfur is relieved, the dissolution and loss of discharge products are inhibited, and the electrical conductivity and circularity of the material are improved.

The invention relates to an opposed piston engine comprising at least one cylinder, at least two pistons arranged to be reciprocated within the same cylinder in an opposed manner, at least one intake port through the cylinder wall, at least one exhaust port through the cylinder wall, at least one shaft arranged to be rotated by reciprocal motion of the opposed pistons, at least one reciprocatable sleeve valve within the cylinder for controlling porting of one or both of the at least one intake port and the at least one exhaust port, a sleeve valve driving mechanism for controlling reciprocal motion of the at least one sleeve valve, and a dwell mechanism. The dwell mechanism is configured to induce at least one period of dwell of the at least two pistons during their respective cycles of piston motion.

System and method for automatically generate therapy plan parameters by use of an integrate model with extended applicable regions. The integrated model integrates multiple predictive models from which a suitable predictive model can be selected automatically to perform prediction for a new patient case. The integrated model may operate to evaluate prediction results generated by each predictive model and the associated prediction reliabilities and selectively output a satisfactory prediction. Alternatively, the integrated model may select a suitable predictive model by a decision hierarchy in which each level corresponds to divisions of a patient data feature set and divisions on a subordinate level are nested with divisions on a superordinate level.

The invention discloses an improved strip steel weld joint mark hole detection device of a cold rolling and pickling combined unit. A first emitter and a first grating emitter are sequentially installed on the operation side of a main emitter from inside to outside, a first receiver and a first grating receiver are sequentially installed on the operation side of a main receiver from inside to outside, the first emitter corresponds to the first receiver and the first grating emitter corresponds to the first grating receiver; a second emitter and a second grating emitter are sequentially installed on the transmission side of the main emitter from inside to outside, a second receiver and a second grating receiver are sequentially installed on the transmission side of the main receiver from inside to outside, the second emitter corresponds to the second receiver and the second grating emitter corresponds to the second grating receiver. According to the device, a combination of two gratings and three weld joint mark hole detectors is adopted, effective detection areas are increased, the problem caused by the fact that one weld joint mark hole detector is directly adopted is solved, it is guaranteed that strip steel weld joint mark holes can be accurately detected no matter how strip steel deviates, accidents of overlarge thickness differences or strip breakage or the like due to the fact that the strip steel weld joint mark holes move away from the effective detection areas of the weld joint mark hole detectors are eliminated, and normal production of the cold rolling and pickling combined unit and a continuous annealing unit is guaranteed.

The invention discloses a semiconductor device and a forming method thereof. The semiconductor device comprises a semiconductor base body, a source region, a drain region, grids and back gates, wherein the semiconductor base body is arranged on an insulating layer and the insulating layer is arranged on a semiconductor substrate; the source region and the drain region are connected to two opposite first sides of the semiconductor base body; the grids are arranged on two opposite second sides of the semiconductor base body; and the back gates are arranged on the semiconductor substrate and are inlaid in the insulating layer and the semiconductor base body. According to the invention, the threshold voltage of the semiconductor device can be adjusted by reducing the short channel effect, the source and drain region resistance and parasitic capacitance in the semiconductor device.

The invention relates to a semiconductor device, which comprises a semiconductor substrate and a second gate, wherein the semiconductor substrate is positioned on an insulating layer; and the second gate is positioned on the insulating layer and partially embedded in the semiconductor substrate. A forming method for the semiconductor device comprises the following steps of: forming the semiconductor substrate on the insulating layer; forming a cavity in the semiconductor substrate, wherein the cavity is exposed out of the insulating layer; and forming the second gate, wherein at least part of the second gate is filled in the cavity. By the semiconductor device and the forming method thereof, a short channel effect, the resistance of a source region and a drain region and parasitic capacitance can be reduced.

One embodiment provides a control valve filter device, including: a belt-like frame body curved into a ring shape so that its ends face each other, the frame body having an opening; a filter member provided in the opening of the frame body; an engagement claw extended from one of each of both corresponding lateral portions of the faced ends of the frame body; and a concave portion provided at the other of each of the both corresponding lateral portions of the faced ends of the frame body, so as to be engaged by the engagement claw, each concave portion being formed laterally of the opening of the frame body.

The invention discloses a two-degree-of-freedom sliding-type temporary supporting device and a working method thereof. The two-degree-of-freedom sliding-type temporary supporting device comprises a first supporting device, a second supporting device, a frame moving driving device and a frame moving auxiliary device. The first supporting device and the second supporting device are connected throughthe frame moving driving device and the frame moving auxiliary device. Under the joint effect of a bottom lifting device arranged at the bottom of the first supporting device and facilitating slidingand forward moving, the frame moving driving device and the frame moving auxiliary device, the sliding-type temporary supporting device automatically slides and moves forwards to the designated working position. The first supporting device and the second supporting device adopt two sets of structures which are connected and combined by three linear driving devices and hinges, so that a jacking support has two degrees of freedom. The problem that when the ground and the top face of a roadway are not parallel, the device is prone to overall skewing is solved, meanwhile, auxiliary equipment is not needed during frame moving, the pushing step pitch is large, supporting is safer and more reliable, and the two-degree-of-freedom sliding-type temporary supporting device and the working method thereof have the advantages that the work efficiency is high, the automation degree is high, and adaptability to the top face of the roadway is good.

The invention relates to a spiral-wound membrane element winding method, and belongs to the technical field of filters in water purifying devices. The spiral-wound membrane element winding method comprises the following steps: step one, gluing two sides of a membrane sheet along the length direction, and folding into an M shape, placing fresh water collecting nets in two successive V-shaped grooves in the M shape, and placing thick nets in V-shaped grooves corresponding to two successive V-shaped grooves; step two, superimposing a plurality of folded unit bodies in the step one together, and winding around a water collecting pipe to form coils by taking the lower edge of the M shape as an initial edge. The spiral-wound membrane element winding method provided by the invention has the advantages of reducing gluing edge amount, increasing the effective area of the membrane sheet, improving the utilization ratio of the membrane sheet and the like.

The invention provides a large-angle holographic display system based on effective area expansion of a spatial light modulator. The system includes a laser device, a filter, a solid lens, a beam splitter, an SLM 1, an SLM 2 and a diaphragm, wherein the laser device, the filter and the solid lens are utilized to create uniform parallel beams, the beam splitter is located in the exit direction of the parallel beams and is used for splitting the beams into two beams that are perpendicular to each other, the two SLMs are in the same model and placed perpendicular to each other, the resolution of the SLM is M, when the parallel light illuminates the two SLMs separately, the zero-order light can be seamlessly spliced together through the beam splitter, the diaphragm is utilized to eliminate high-order diffracted light in a reconstructed object, in order to extend the effective area of the SLM, the two SLMs and the beam splitter are equivalently regarded as a 2M SLM which is recorded as the 2M SLM, when a hologram of an object is loaded on the 2M SLM, the reconstructed object with a large viewing angle can be viewed.

A push switch includes an operating slider, an actuator with a sliding member, a return spring, a housing, a main body in which the operating slider, the actuator, and the return spring are supported by the housing, a heart cam mechanism (including an engagement pin and a cam groove) incorporated in the main body, an operating knob which caps the operating slider, and a fixed contact provided for a circuit board such that the sliding member is allowed to be brought into contact with and separated from the fixed contact. When the operating slider is moved upward or downward, the actuator is driven to be laterally slid. The housing is snap-fitted to an outer casing (upper casing) holding the circuit board. A space is provided between the housing and the circuit board.

The invention discloses an adjustable brake handle with a switch. The adjustable brake handle comprises a handle (1), a handle base (2), a sensor component (3), a permanent magnet (8), an axis screw (5), a clamp nut (6) and an adjusting screw (7), wherein both the handle (1) and the sensor component (3) rotate by taking the axial line of the axis screw (5) as the axis. The permanent magnet (8) is inlayed or adhered to the handle (1). The sensor component (3) is provided with an adjusting arc-shaped groove (11) for adjustment and a reed switch (9). The adjustable brake handle is more accurate to adjust, greatly increases the effective area of the switch, and is relatively miniature and light.

The invention discloses an air conditioner with a cold plasma generation device and a control method of the air conditioner. The cold plasma generation device is provided with a plurality of discharging units at an air outlet of the air conditioner, and each discharging unit is at least provided with a pair of spray points. The air conditioner can form different air supply areas, the air conditioner is further provided with an air supply device, and an air supply blade group is arranged in the air supply device, and can be controlled to supply air to the different air supply areas. The discharging units are corresponding to the air supply areas, and when the air supply blade group is controlled to supply air to the indoor different air supply areas, the discharging units are controlled tostart the discharging units in the corresponding areas to operate according to the air supply areas of the air supply blade group. By controlling the discharging units of the cold plasma generation device and the air supply blade group for supplying air to the same air supply areas to jointly operate, the effective area of a cold plasma and the coverage of the cold plasma in the space are increased, so that the user experience is improved.

This invention relates to cam creation technique and its structure. It includes a sheath with flat surface, the sheath is covered on a joint mat on the plaque to form a contact surface with one open through the sheath, and one cam on the contact surface and the flat surface is formed. The contact mat can be reduced because of the flat surface of the sheath. The mechanical strength of the sheath on the contact mat is strengthened; the cam will has large efficient area when stitching. Selecting space of different directivity conduction membrane is large, short circuit and electric leakage probability is little, so the stitching good ratio and conducting quality of the cam is improved.

The invention discloses an electronic beam physical vapor deposition method for large-area uniform deposition of thermal barrier coating layers. The method comprises the following steps: multiple crucibles with inner diameters of 50-70 mm are mounted; center gaps of the crucibles are set as 300-600 mm; vertical distances from the crucibles to workpieces are set as 270-660 mm; the surfaces of the workpieces are treated; the surface-cleaned workpieces are fixed on rotating shafts; the workpieces are heated; coating layer materials are injected in the crucibles; the coating layer materials in thecrucibles are heated and evaporated through electronic beams to form stable steam clouds above the middles of the crucibles; the workpieces are fed in the steam clouds; the workpieces are rotated through the rotating shafts to deposit coating layers; after the deposition of the coating layers is finished, the electronic beams are closed; the workpieces are taken out after cooling of the workpieces; and uniform thermal barrier coating layers are obtained on the surfaces of the workpieces. The method solves the difficulty of preparation of the uniform thermal barrier coating layers for large-size aero-engine turbine blades by the electronic beam physical vapor deposition technology.

A method for forming a retroreflective prism in a substrate includes inserting and retracting a single point diamond tool through a surface of the substrate while moving the single point diamond tool,the substrate, or both the single point diamond tool and the substrate in a direction of travel along at least one axis to generate a facet in the substrate having a facet face parallel to the direction of travel of at least one of the single diamond point tool or the substrate. The facet face has an angle defined by a chiseling edge of the single point diamond tool. The inserting and retractingis repeated at a plurality of locations on the substrate to form an array of retroreflective microstructures on the surface of the substrate. At least one of the array of retroreflective microstructures is a retroreflective prism having a polygonal projected aperture.

The present invention relates to a high pressure homogenizer and a method for manufacturing graphene using the same, and according to one aspect of the present invention, there is provided a high pressure homogenizer comprising a channel module which comprises a microchannel through which an object for homogenization passes, wherein the channel module comprises at least one baffle disposed so as to partition the microchannel into a plurality of spaces and the baffle is provided so as to partition the microchannel into two spaces along the width direction or the height direction.