196 results about "Metallic membrane" patented technology

A direct touch type metal diaphragm valve, wherein durability of the valve, that is to say, the ensured number of continuous open/close operations of the valve, is substantially increased under conditions that an appropriate flow rate coefficient Cv is maintained, and changes of the afore-mentioned Cv value over time are mitigated by means of restricting the deformation of the valve seat over time. The afore-mentioned metal diaphragm is formed in a round, reverse-dish shape by laminating a plural number of thin stainless steel plates and a thin Nickel.Cobalt alloy plate, and its center part is bulged upward, and the maximum valve stroke of the valve is regulated to be 55% to 70% of the distance of the maximum bulge height Δh of the afore-mentioned metal diaphragm.

An interconnect for electrically coupling pads formed on adjacent chips or on packaging material adjacent the chips, with an electrically conductive heat sink being disposed between the pads, the interconnect comprising a metallic membrane layer disposed between two adjacent pads and disposed or bridging over the electrically conductive heat sink so as to avoid making electrical contact with the electrically conductive heat sink. An electroplated metallic layer is disposed on the metallic membrane layer. Fabrication of interconnect permits multiple interconnects to be formed in parallel using fabrication techniques compatible with wafer level fabrication of the interconnects. The interconnects preferably follow a smooth curve to electrically connect adjacent pads and following that smooth curve they bridge over the intervening electrically conductive heat sink material in a predictable fashion.

The invention relates to a large capacity linear ion well which can be applied on various analysis aims and an electrode processing method which realizes integration of high accuracy and precision processing and installing. The linear ion well includes an ion capture chamber, RF electrode, and DC electrode, wherein, RF electrode is comprised by plural parts thereby dividing the ion capture chamber into plural sub-regions, thus, plural mass spectrometry procedures can be realized. The RF electrode of the ion well can be made in an integration processing manner of processing nonmetallic substrate first and then coating a metallic membrane on the surface thereof, at last, removing the metallic membrane of insulation region according to the requirement of the sub-electrodes. The multipurpose large capacity linear ion well provides an implementation scheme having characters of high applicability, various uses, low cost, easy processing and installation for the development of ion well quality analyzer and mass spectrograph.

The present invention provides a plate core of solar plate heat collector and a metallic-membrane plating method of collecting plate selectively absorbing film, the plate core is welded by a copper foil heat collecting plate and a copper fluid medium arranged on the reverse of the heat collecting plate, an absorbing film is arranged on the front of the heat collecting plate, the absorbing film TiNxOy is a selective absorbing film. The absorbing film has a reasonable structure, better heat exchanging effect and high absorptivity etc. The metallic-membrane plating method adopts direct double targets vacuum sputter coater, using copper foil as basic material, titanium target as cathode, treating the front of the copper foil heat collecting plate in turns; drying the copper foil heat collecting plate; dried copper foil heat collecting plate is placed in the film coating room being vacuumized; the method adopts Ar bombarding the front of the copper foil heat collecting plate, processing twice cleaning; connecting DC to titanium target, inflating N2, O2 at the same time, TiNxOy selectively absorbing film is formed after reaction. The method has an advanced process, even cladding material, an even plane and high absorptivity and low emissivity, the heat collecting plate and the selectively absorbing film are agglutinated powerfully.

The invention discloses a method for preparing a surface plasmon polariton coupled nano array. The method comprises the following steps: performing deep reactive ion etching on a substrate by adopting a nano-scale etching mask which is manufactured by electron beam exposure, and then performing metallic membrane plating to obtain a three-dimensional 'metal nano structure array-nano space layer-metallic film' structure. The metallic nano structure generates local electromagnetic field resonance of photon and free electron to generate a very strong local surface plasmon polariton, and a diffraction effect provides wave vector compensation to excite a propagating type surface plasmon polariton of the metallic film so as to form local surface plasmon polariton-propagating type surface plasmon polariton coupling, so that light is restrained in a nano scale to initiate very strong surface local near field enhancement between a metal and a medium interface. The structure manufactured by the process disclosed by the invention can promote new mechanism exploration of the surface plasmon polariton, and has important application prospects in the fields of metamaterials, ultrahigh-sensitivity optical biosensing and the like.

A porous gradient metallic membrane pipe without layer interface is prepared through preparing slurry from basic metallic material, adhesive and carrier, filing it in metallic pipe mould, centrifugal shaping, removing carrier, baking, demoulding and sintering.

This invention relates to a method of bonding a metallic membrane with metallic part involving pressing a smooth surface of the metallic membrane against the smooth surface of the metallic part, and heating the metallic membrane and metallic part to a temperature above the half melting point of the metallic membrane while subjecting the metallic membrane and metallic part to a controlled environment of a proper gas atmosphere. The metallic membrane can comprise palladium and the pressurized gas can comprise one of hydrogen, an inert gas or their mixture.

The invention provides a surface plasmon resonance sensing element and a manufacturing method thereof, belonging to the technical field of a sensor for biological system detection. The sensing element comprises a metallic membrane (2), a sensitive membrane and a magnet (3), wherein, the metallic membrane with a chromium membrane and a gold membrane as the sensing elements is plated on the bottom surface of a glass prism (1), the sensitive membrane composed of magnetic nanoparticles (4) subject to surface hydroformylation and an antibody (5) linked with an aldehyde group through a covalent bond is made on the metallic membrane, and the magnet is arranged under the glass prism. The manufacturing method of the sensing element comprises the following steps: preparation of the metallic membrane, preparation of Fe3O4 magnetic nanoparticles, preparation of ammoniated SiO2-coated magnetic nanoparticles, preparation of magnetic nanoparticles subject to surface hydroformylation and preparation of the sensitive membrane. The invention has the advantages of simple manufacturing process, high sensitivity, good biocompatibility and good selectivity and can be used in all antibody and antigen detection and protein and drug measurement.

The invention was involved in plain magnetic force control sputter, namely multi-position coating machine. The machine consist of target of plain magnetic force control sputter (14), workpiece holder (15), heater (28), aeration vent (29), evacuated chamber (30), vacuum group (32), rotor plate (16), joint lever (17), small gear wheel (18), small gear wheel (19), joint lever (20), electric machine of rotation (21), electric machine of revolution (22), joint lever (23), mediate gear wheel (24), joint lever (25), large wheel (26) and joint lever (27). The method had some characteristics, such as many work position, fine metallic-membrane plating uniformity and easy to extend.

The invention discloses a process for an integral multiple-step multistage heat preservation sintering of a metallic porous membrane tube, which comprises the following steps: step one, processing a flange according to the inside diameter size of a tube blank of a processed and formed metallic porous membrane tube, and assembling the flange and the tube in tight fit; step two, furnace charging, which is to charge the assembled metallic porous membrane tube with the flange into a vacuum high temperature sintering furnace to perform sintering; and step three, sintering, which comprises the following steps: the stage for water evaporation, the volatilization initial stage of a sol dispersant, the volatilization intermediate stage of the sol dispersant, the volatilization final stage of the sol dispersant, the stage of temperature rise, the stage of presintering shrinkage, the stage of sintering, and the stage of temperature reduction. The process has reasonable steps, is simple and convenient to operate and control, and can effectively overcome the problems of heat affected zone generated by an argon arc welding between the metallic porous membrane tube and the flange, and peeling, shedding and the like generated by a metallic membrane layer in the sintering process.

A preparation method for preparing titanium oxide bioactive coating on the surface of nitinol alloy belongs to the technical field of material science and engineering and relates to a method for preparing titanium dioxide coating on the surface of nitinol alloy by a composite coating technique. The preparation method is characterized in that firstly, the voltaic arc ions of the nitinol alloy are titanized, and then differential of arc oxidation treatment is carried out. In the metallic-membrane plating stage, pure titanium is selected as cathode target material, the arc current is 60-120A, and the negative bias is pulse form; in the micro-arc oxidation stage, the titanized nitinol alloy is taken as anode to be hung to electrolyte; the cathode is a stainless steel electrolyte groove or stainless steel sheets hung in the electrolyte; the bipolar pulse power source is adopted for the micro-arc oxidation treatment; the adopted electrolyte comprises calcium acetate, monosodium orthophosphate and water; TiO2 microporous coatings containing calcium and phosphorus are prepared on the surface of the nitinol alloy so as to increase the bonding force of the biological activity of nitinol alloy embedded material with the bone and are particularly suitable for being applied in the field of the embedded material of human body hard tissues.

The invention discloses a method and a detection sensor for detecting optical fiber grating vibration of large-scale mechanized equipment. A sensor probe part mainly comprises two parts, namely a magnetic coupling sensing probe and an optical fiber grating sensing probe. When the vibration of the large-scale mechanized equipment is detected, the magnetic coupling sensing probe, a metallic membrane, an optical fiber grating in the sensor are connected with an optical fiber grating demodulating system in sequence, and the magnetic coupling sensing probe faces an object to be measured. A magnetic coupling force is generated between the magnetic coupling sensing probe and the object to be measured to promote a displacement change of the magnetic coupling probe, which results in offset of the centre of the metallic membrane from an original position and drift of an fiber grating wavelength in sequence; and the optical fiber grating demodulating system obtains a drift value of the fiber grating wavelength and analyzes the overall process. The detection sensor is simple in structure, convenient to manufacture and install, high in sensitivity, strong in anti-electromagnetic interference capability, high in frequency dynamic response speed, can transmit signal remotely, can detect the high-frequency signal and is not affected by temperature, so the invention can be used in severe environment and inflammable and explosive locations.

The invention provides a high-pressure and hydraulic pulsation test system of an aircraft, in which a high-pressure internal gear pump driven by a driving motor provides a high-pressure liquid flow for the system, a computer outputs the control signals to a proportional flow servo valve and a proportional pressure servo valve to control a hydraulic system to generate a stable and controllable high-pressure hydraulic pressure incoming flow, and a piezoceramic driver controlled by the computer generates an exciting force to propel the metallic membrane to generate an accurate and controllable pressure pulsation value in the stable and controllable high-pressure hydraulic pressure incoming flow. The invention has the advantages of high accuracy, simple and convenient operation, large adjustable range of flow and pressure, large controllable frequency range, rapid response, simple structure and little interference to the controllable pressure pulsation part.

The invention provides a stripping liquid for removing residual photoresist in the semiconductor technology. The stripping liquid comprises the following components in percentage by weight: 20-70% of multimethyl phosphamide, 5-30% of alkanol amine, 0.01-10% of organosilicon polyether type compounds, 0.01-10% of alkynol, 1-30% (including mass) of hydroxylamine and 5-50% of deinoized water. With the stripping liquid, residual cured photoresist layer in the dry etching technology can be easily and quickly removed. The stripping liquid has good protection action on metallic membrane materials, especially aluminum and aluminiferous wiring materials, so the application prospect is good.

The invention discloses a manufacturing method of a TFT (Thin Film Transistor) array substrate; the manufacturing method comprises the following steps of: depositing a first metallic membrane layer on a substrate; and carrying rubber coating exposure development process on the first metallic membrane layer, and obtaining a light blocking metal through etching and rubber removal. The invention also provides the TFT array substrate comprising a glass substrate and a first insulating layer; the TFT array substrate also comprises the light blocking metal formed on the glass substrate; and the light blocking metal is obtained by carrying out rubber coating exposure development process on the first metallic membrane layer deposited on the glass substrate through corrosion and rubber removal. According to the manufacturing method of the TFT (Thin Film Transistor) array substrate provided by the invention, TFT switching devices are protected by forming the light blocking metal on the substrate and is not affected by highlights, thereby the stability of the TFT switching devices is increased; and the area of a storage capacitor is reduced through the parallel connection of capacitors, thereby the purpose of increasing the aperture ratio of a corresponding pixel is realized.

The invention provides a tubular metallic membrane reactor and application thereof. The membrane reactor adopts high performance metallic palladium composite membrane as a hydrogen permeation material and uses an O-shaped rubber ring for low temperature sealing or a graphite gasket for high temperature sealing. The membrane reactor has the high-performance hydrogen permeation material, excellent sealing performance, a compact and simple structure and excellent operation stability. During operation of the membrane reactor, permeation of non-hydrogen gas can be prevented, and the tubular metallic membrane reactor is applicable to a small-scale on-site flexible hydrogen production reaction.

Composite membrane (1) comprises a layer system consisting of a rigid non-self supporting non-metallic inorganic diffusion barrier layer (1b) and hydrogen-permeable non-porous metallic membrane layers (1c) arranged on a flexible metallic substrate (1a). Preferred Features: The diffusion barrier layer is arranged between the substrate and one membrane layer and is formed as a single layer. The single layer is open-pored and/or has micro-tears. The substrate has an open porosity in the region of 15-60%. At least one of the membrane layers is galvanically deposited on the surface of the diffusion barrier layer facing away from the substrate. An Independent claim is also included for a process for the production of the composite membrane.

The invention relates to a ridge waveguide broad-side horizontal straight slot antenna. In the invention, a radiating waveguide pipe is a symmetric single-ridge waveguide pipe; two top-right radiation slots, actually horizontal straight radiation slots, are formed on the broad-side metal wall of the radiating waveguide pipe; rectangular side wall metallic membranes are symmetrically and respectively arranged at the end parts of narrow-side metal walls on two sides of the radiating waveguide pipe on one side of the radiation slots; rectangular single-ridge metallic membranes are respectively arranged on two sides of the single ridge of the radiating waveguide pipe on the other side of the radiation slots and are perpendicular to the single ridge; and one end of the radiating guide pipe is an antenna input port, and the other end of the radiating guide pipe is a closed short-circuit end, so as to form a waveguide slot standing wave array. According to invention, the antenna has a small size; the cross section area of the waveguide pipe is compressed by half; a total space X-shaped polarization suppression is realized; due to the antenna structure, waveguide power dividers with the same cross section can be easily stacked up and down, so as to realize the wideband waveguide slot antenna array; and the processing technique is good.