36results about How to "Extend deposition time" patented technology

The invention relates to a method for preparing a powdered test sample for a transmission electron microscope. The method comprises the following steps of: cutting a crystal with a flat and neat surface from a soluble monocrystalline material according to a cleavage surface of the soluble monocrystalline material; placing an electron microscope carrying net onto the cut crystal block; ultrasonically dispersing the powdered sample to be observed by using absolute ethanol, dropping a proper amount of dispersed liquid onto the carrying net and naturally drying in the air; sputtering and depositing a layer of metal thin film by adopting a magnetron sputtering technology, and wrapping and fixing particles to be analyzed onto the carrying net by using the deposited thin film; after sputtering, shearing off a sputtered thin film along the edge of the carrying net; placing the carrying net with the fixed particles to be analyzed into an ion milling for milling until leakage; and taking down the sample and placing into the electron microscope for observation after the center of the sample is punctured. By the method, the problems that a plurality of powdered samples which have large particle size and complicated structure and are hard to smash or grind are hard to prepare, and an observation area is limited and the sample is easy to pollute can be solved; and the method is a sample preparation method with high sample preparation success rate and high suitability.

A semiconductor device has an insulating surface provided with a transistor and a capacitor. The transistor includes a gate electrode, an oxide semiconductor film overlapping with the gate electrode, a gate insulating film between the gate electrode and the oxide semiconductor film, and a first conductive film serving as a pair of electrodes in contact with the oxide semiconductor film. An oxide insulating film in contact with the oxide semiconductor film, a metal oxide film over the oxide insulating film, and a second conductive film serving as a pixel electrode which is in an opening in the metal oxide film and is in contact with the first conductive film are provided. The capacitor includes a film having conductivity over the gate insulating film, the second conductive film, and the metal oxide film provided between the film having conductivity and the second conductive film.

An image displaying device having multiple photosensing devices have successfully suppressed a leakage current from each photosensing device and improved the S/N ratio. In the image displaying device, pixels and photosensing devices are disposed as pairs in a matrix pattern on a substrate. Each of the pixels and each of the photosensing devices are driven independently. Each photosensing device includes a semiconductor layer that is a photoelectric conversion layer connected to at least a first electrode and a second electrode. The contact surfaces of the first and second electrodes with respect to the semiconductor layer are disposed so that their center axes are separated from each other.

The invention discloses an ecological raising method of flavor mule ducks. According to the method, hybridization is performed on France Muscovy ducks and China local ducts, healthy and lively hybrid ducklings are selected, after the ducklings are raised to 70 days without external thermal insulation, and the flavor mule ducks are obtained by prolonging gazing time and adding glutamic acid in daily ration. Sodium glutamate is sodium salt of the glutamic acid and is an important umami substance, the flavor feel of meat can be obviously enhanced through the sodium glutamate and nucleotide together, deposition of flavor substances in muscles can be increased by adding the sodium glutamate in fodder of the mule ducks, the aroma of the muscles is improved, and therefore the quality of the muscles is improved. In addition, the deposition time of the flavor substances in the muscles can be prolonged by prolonging the gazing time, and therefore the purposes of improving the flavor of the muscles of the mule ducks, improving the quality of the muscles, increasing market value of mule duck meat and increasing returns of duck farmers are achieved.

The invention discloses a method and a device for preparing a coating by using nanosecond pulse laser cladding, belonging to the technical field of the preparation of coatings on material surfaces through laser cladding, and aiming to solve the problems existing in the present nanosecond pulse laser cladding. According to the method and the device, a metal is deposited on the surface of a workpiece through MOCVD (metal organic chemical vapor deposition), and the surface of the workpiece is scanned by nanosecond laser light at the same time, so that the metal is cladded on the surface of the workpiece, and a coating with a micron or submicron level thickness is formed on the surface of the workpiece. The method and the device disclosed by the invention do not have special requirements for a substrate material, are wide in application range, and can meet the needs of the preparation of the coatings of plane workpieces and special-shaped workpieces; a prepared thin film coating has the advantages of densification, controllable thickness (micron or submicron) and firm film-substrate adhesion; meanwhile, the surface roughness of the workpiece subjected to processing is not less than that of the workpiece before cladding; the secondary processing such as grinding and polishing is not needed, so that the production cost is reduced; meanwhile, after being processed by the method and the device, the workpiece can not be deformed and can meet the processing requirements for precision workpieces.

A method is provided for treating a magnesium-containing article to form a cathodic protective coating on such article. This is done by electrochemically treating the article, acting as a cathode, in an alkaline solution, preferably at a temperature of between 40 and 80 DEG C., with a cathodic current density of 5-200 mA/cm2. The treatment produces a magnesium-containing article having a protective coating of magnesium hydride of predetermined thickness with a high count of hydrogen particles.

The invention provides an optical colorful thin film and a manufacturing method. The method includes the steps that S1, a TiO2 layer is deposited on the surface of a substrate material to serve as a first layer; S2, a SiO2 layer is deposited on the first layer to serve as a second layer; S3, a TiO2 layer is deposited on the second layer to serve as a third layer; S4, a SiO2 layer is deposited on the third layer to serve as a fourth layer; S5, a TiO2 layer is deposited on the fourth layer to serve as a fifth layer; S6, a SiO2 layer is deposited on the fifth layer to serve as a sixth layer; andS7, a TiO2 layer is deposited on the sixth layer to serve as a seventh layer. The deposition process of the multi-layer film is controlled, the multi-layer film is colorful, and the seventh layer, namely the outermost layer continues to be deposited for 40-50 minutes under the state that the multi-layer film is kept colorful. According to the optical colorful thin film and the manufacturing method, the anti-abrasion performance of the optical thin film is greatly improved, and meanwhile the colorful effect of the optical thin film is guaranteed.

The invention discloses a desilting basin for alternate use in fractional precipitation. The desilting basin comprises a partition wall, a left desilting basin, a right desilting basin and a gate. Thepartition wall is fixedly arranged at a middle position of a river channel, the left area of the partition wall is the left desilting basin, and the right area of the partition wall is the right desilting basin; a first gate is arranged at the front end of the left desilting basin, and a second gate is arranged at the front end of the right desilting basin; a first-stage desilting basin, a second-stage desilting basin and a third-stage desilting basin are sequentially arranged in the left desilting basin from left to right in order, a first baffle is arranged in the middle of the first-stagedesilting basin and the second-stage desilting basin, a second baffle is arranged in the middle of the second-stage desilting basin and the third-stage desilting basin, and an overflow weir is arranged behind the third-stage desilting basin; and the left desilting basin and the right desilting basin are arranged symmetrically. The desilting basin provided by the invention solves the problem of inconvenient dredging diversion type power stations, silt in river water is deposited and graded according to particles, thus facilitating recycling.

The invention discloses environment protection dust collection equipment used in a workshop. The equipment comprises a shell, wherein the shell is of a sealed structure; an air inlet, an air outlet and a dust discharge hole are formed in the shell; a dust filtering component and a fan are arranged inside the shell; the dust filtering component comprises multiple layers of filtering nets which arearranged in an inclined manner; one end part of each filtering net is fixedly arranged on a side wall of the shell through an elastic part; first partition plates are vertically arranged at the otherend parts of the filtering nets; both sides of the first partition plates are fixedly connected with two side walls of the shell; the filtering nets are connected with vibration motors; fans are arranged at bottoms of the filtering nets; the air inlet is formed in the top of the shell; a spraying device is fixedly arranged on the inner wall of the top of the shell; the air outlet is formed in thebottom of the shell; a second partition plate is arranged above the first partition plates; the filtering nets are arranged upwards in the inclined manner at the tops of the first partition plates; and the elastic parts are high-strength springs. The environment protection dust collection equipment used in the workshop, which is disclosed by the invention, is simple in structure, flexible in combination, high in dust collection efficiency, convenient in dust cleaning operation and high in working efficiency.

The present invention relates to a crucible, which may include: a main body storing a deposited substance, and including a first tank; and a first metal member fastened to the first groove, extending in a first direction, and fixing the deposited substance. Accordingly, the crucible comprises the metal part for fixing the deposition substance in the solid state, so that the deposition substance can be completely melted, and the temperature rise time of the deposition substance can be relatively shortened.

The invention relates to the field of fabrication of new materials and coatings and may be used in plants designed for electron-beam heating, melting and evaporating of materials in vacuum or reactive gas atmosphere. The disclosed axial electron gun that comprises, in particular, the primary and secondary cathodes and features the figure-shaped holder used for maintaining a stable position of the secondary cathode relative to the electron-beam axis of the axial gun and the pulsed voltage that is applied between the cathodes for electron bombardment of the secondary cathode. The invention ensures an improved stability of process parameters and operation of the electron gun.