30results about How to "Keep flat" patented technology

A method of turning a medical device, having a magnetically responsive element associated with its distal end, at an operating point within an operating region inside a patient's body from an initial direction to a desired final direction, through the movement of at least one external source magnet. The at least one external source magnet is moved in such a way as to change the direction of the distal end of the magnetic medical device from the initial direction to the desired final direction without substantial deviation from the plane containing the initial direction and the desired final direction.

An accumulator structure includes a module having a plurality of flat accumulators flatly disposed in a common plane, and the flat accumulators are electrically connected with each other via electrode terminals. Strip-shaped reinforcement members are attached alternately at a front surface side and a back surface side of the module between the electrode terminals. Thereby, a reinforcement and insulation between the electrode terminals can effectively be carried out while a flat structure of the accumulator structure is maintained and bending flexibility is secured, and the accumulator structure can be adjusted to a third-dimensional installment shape.

A conveying apparatus includes a suction mechanism that suctions an interior of a bag, and a connecting mechanism that connects an opening of the bag and the suction mechanism.

A semiconductor structure and a method for forming the same, the method for forming the semiconductor structure includes: providing a substrate, the substrate has a first surface and a second surface opposite to the first surface; A first device is formed on one surface; a buffer layer covering the first surface of the substrate and the first device is formed; a protective film is pasted on the surface of the buffer layer, the protective film has a hole structure, and the hole structure includes a plurality of holes. The method for forming the above-mentioned semiconductor structure can avoid the formation of gas bulges between the buffer layer and the protective film, improve the protective performance of the protective film and the reliability of subsequent process tools when grabbing the substrate.

The invention discloses a turning adjustment device for wheelchair pedals, which includes a standpipe, a turning shaft, and a foot pedal. The turning shaft is pinned and fixed to the standpipe. The spherical hinged hole is hinged with a spherical hinged head, the spherical hinged head is arranged on the connecting rod, the connecting rod is pinned with a connecting head, the connecting head is provided with an insertion hole, and an insertion shaft is inserted in the insertion hole, The insertion axis is perpendicular to the turning axis and its upper end is connected and fixed with the turning axis; the foot pedal of the device can not only turn inside and outside, but also adjust the front and rear inclination angles, even after the disabled or injured can lie on their backs, they can still put their feet on rest On the footrest, keep it flat.

A conveying apparatus includes a suction mechanism that suctions an interior of a bag, and a connecting mechanism that connects an opening of the bag and the suction mechanism.

The invention relates to a dynamic corn seed image acquisition conveying mechanism comprising a conveying belt and a belt wheel. The conveying belt comprises a corn seed positioning profiling groove part, a balance layer part and a middle layer part; the belt wheel comprises a wheel core and a blocking piece. Conveying belt corn profiling grooves are evenly distributed in rows in the upper plane of the conveying belt and have a good positioning function on corn seeds so that the corn seeds can keep a flat state. Balance layers are arranged on the opposite sides of the corn profiling grooves in the surface of the conveying belt, and the balance layers reduce mass difference on the two sides of the conveying belt, and eliminate deviation generated in the process that the corn seeds are conveyed through the conveying belt. Middle layers are arranged between the corn profiling grooves and the balance layers, the middle layers are thicker than the two sides of the conveying belt, the whole conveying belt can be well supported in the conveying process to keep a stable state, and the strength of the conveying belt is guaranteed. The mechanism is used for recognizing dynamic corn seed purity through machine vision and acquiring images of the corn seeds in variation tests, the defect of the method that the corn seeds are vertically placed manually is overcome, the problem that the method cannot adapt to circulation on-site work easily and the purity recognition site of the corn seeds is limited is solved, and the dynamic corn seed image acquisition conveying belt is provided and can be carried to adapt to circulation on-site work.

The invention discloses an automatic dustbin dumping device of a sweeper, and relates to the field of sweeper trucks. The automatic dustbin dumping device of the sweeper comprises a sweeper chassis, a dustbin bracket, a dustbin, an electric push rod, an upper parallel rod, a lower parallel rod, a parallel rod connecting rod, a connecting plate, a clamping hook, a clamping buckle, a steel wire rope and an oil cylinder, wherein the electric push rod is connected with the sweeper chassis and the dustbin bracket; one end of the upper parallel rod is fixedly connected with the dustbin bracket, and the other end of the upper parallel rod is hinged to the dustbin; one end of the lower parallel rod is hinged to the parallel rod connecting rod, and the other end of the lower parallel rod is hinged to the dustbin; the end part of the parallel rod connecting rod and the end part of the connecting plate are hinged to the upper parallel rod; the other end of the connecting plate is hinged to the clamping hook; one end of the clamping buckle is hinged to the dustbin bracket; the other end of the clamping buckle is connected with the steel wire rope; the clamping buckle is buckled with the clamping hook; a cylinder barrel of the oil cylinder is hinged to the parallel rod connecting rod; and a piston rod of the oil cylinder is hinged to the dustbin bracket. The automatic dustbin dumping device of the sweeper solves the problems of dust leakage and garbage dropping in the automatic dustbin dumping process.

The invention relates to the field of solar cells and discloses a preparation method of a chain wet black silicon cell chip with high conversion efficiency, which comprises the following steps: 1) selecting P-type polycrystalline diamond wire silicon chip, cleaning and drying with organic alkali solution and water in turn; 2) plating a SiON: H film on that back surface and the periphery of the silicon wafer; 3) manufacturing a black silicon pile surface on that front surface of the silicon wafer; 4) diffusing that front surface of the silicon wafer to form a PN junction; 5) removing that phosphorus-silicon glass on the front side of the silicon wafer and etch the back side of the silicon wafer and the SiON: H films around the silicon wafer with an acid solution, washing with water and drying; 6) plating an antireflection film on that black silicon pile surface; 7) printing that positive electrode on the front side of the silicon wafer; 8) printing the back side of the silicon wafer andsintering. The conversion efficiency of the black silicon battery chip prepared by the method of the invention is effectively improve, and is suitable for the technical upgrading of the subsequent polycrystalline battery chip such as the black silicon + PERC series battery, the black silicon + MWT series battery and the like.