18 results about "Vacuum chamber" patented technology

The invention discloses a thermal shrinkage pipe expansion device which comprises an expansion die. The expansion die comprises an outer casing and a sizing tube. The sizing tube is arranged in the outer casing. The space between the outer casing and the sizing tube is separated into a vacuum chamber and a cooling chamber. The outer casing on the cooling chamber is provided with at least one water inlet and at least one water outlet. The expansion die also comprises a plurality of water inlet holes which are arranged on the sizing tube of the cooling chamber. Cooled water can enter the inside of the sizing tube through the water inlet holes. The thermal shrinkage pipe expansion device of the invention has the advantages of good cooling effect, light friction between the thermal shrinkage pipe and the sizing tube, high expansion efficiency, fast speed, long service life of the sizing tube and small axial shrinkage rate of products.

A device (100) for storing items under vacuum in flexible and non-flexible containers. The device comprises a cover (102) adapted to define a vacuum chamber when it is moved into a closed position relative to a groove (in base 104) of the device. The device is also suitable for connection with vacuum-tight attachments for various containers whereby the containers can be hermetically evacuated. The device includes a heat sealing mechanism for sealing the flexible container and a cutting mechanism for cutting the flexible container to a desired size. The device includes a control panel for selectively operating the evacuation process and the sealing process.

Provided is a technique capable of ascertaining the process condition of the boundary between electrically positive and negative plasma regions. In a vacuum chamber, one of the parameters of process conditions is stepwisely changed to generate a plasma under at least three process conditions. The parameters include a flow rate ratio between an electrically negative gas and an electrically positive gas, a pressure in the vacuum chamber and the magnitude of an energy supplied to the gases. Next, a voltage is applied to a Langmuir probe positioned in that plasma, and a current-voltage curve indicating the relationship between the applied voltage and the electric current to flow through the probe is acquired for each of the process conditions. On the basis of the current-voltage curve group acquired, the process conditions are determined for the boundary between the electrically positive and negative plasma regions.

The invention provides the specific technical scheme of a laminated glass forming device. The laminated glass forming device is characterized by comprising a plurality of laminated glass forming units, a vacuum device and a controller, wherein each laminated glass forming unit comprises a preheating chamber, a vacuum chamber, a cooling chamber, a first heat-resisting insulating partition plate anda second heat-resisting insulating partition plate; the vacuum device comprises a vacuum pump and a vacuum tube. The laminated glass forming device disclosed by the invention has the advantages of simple structure and novel design. A preheating section provides s basis for a vacuum high-temperature extrusion forming section, heating time of the vacuum high-temperature extrusion forming section isreduced, the production efficiency is improved, vacuum high-temperature extrusion forming avoids high-pressure production, production risk is reduced, and a cooling stage quickens cooling time of formed laminated glass; meanwhile, the device comprises the plurality of laminated glass forming units, so a plurality of pieces of laminated glass can be produced in one time, and the production efficiency is further improved.

The invention relates to a high-resistivity high-entropy alloy film and a preparation method thereof, and belongs to the field of multi-principal-element alloy film materials. The novel high-entropy alloy film component contains six elements of Fe, Co, Ni, Al, Mn and W elements with different proportions, and the atomic percentages are 25%-35%, 25%-35%, 10%-25%, 5%-15%, 5%-15% and 5%-10% respectively. The preparation method comprises the following steps of ultrasonically cleaning a substrate, preparing a composite target, carrying out vacuumizing on a vacuum chamber, filling the vacuum chamberwith argon, carrying out pre-sputtering, heating the substrate and carrying out sputtering. A prepared film sample is smooth in surface, uniform in thickness and fine in structure, and the structureis a single-phase BCC solid solution, and is free of phase separation or intermetallic compound generation. According to the preparation method, the novel magnetic high-entropy alloy film with high hardness and high resistivity can be prepared, the thickness of the novel magnetic high-entropy alloy film is 500-2000 nm, and the highest resistivity is about 1800 microhm . m.

The invention relates to the field of particle imaging and relates to a particle imaging method and a particle imaging device. The particle imaging device mainly comprises a cluster source, a vacuum chamber, a flow divider, an ionic lens I, a gate valve I, an ionic lens II, a gate valve II, a mass filter, a microchannel disk I, a shielding cover, a voltage reference tube, a velocity imaging electrode set, a microchannel disk II, a detector, a laser I and a vacuum pump set, wherein the cluster source comprises a liquid storage tank, a flow controller, a sample feeding tube, an air pipe, an airstorage tank, a protection cavity, a condensing cavity, a heater, a sample cavity, a nozzle and a laser II. An air accumulation and laser evaporation combined method is utilized to generate doped macromolecule clusters, so that the sizes of the clusters are evener; furthermore, the doped measurement in the clusters is accurate and controllable, and the generated clusters can be quickly cooled; a method of switching voltage on an electrode is utilized to effectively gather the clusters, so that the light reaction strength is improved, and the light reaction efficiency is improved.

A vacuum deposition apparatus includes a vacuum deposition device, a mask, a vacuum chamber and a controlling unit. The vacuum deposition device deposits a thin film layer on a substrate. The mask is disposed between the substrate and the vacuum deposition device, and the thin film layer is selectively deposited on the substrate using the mask. The vacuum chamber surrounds the vacuum deposition device and the mask, the controlling unit is disposed outside of the vacuum chamber, and the controlling unit is connected with the vacuum deposition device and controls both a tensile force and a compressive force on the mask.

A system for measuring displacement of an accelerating tube by using a micro-alignment telescope, which includes a vacuum chamber; a hollow accelerating tube in the vacuum chamber; a sighting target attached to a surface of the accelerating tube while protruding from the surface of the accelerating tube; the micro-alignment telescope spaced apart from one side surface of the vacuum chamber; a first lens device interposed between the micro-alignment telescope and the vacuum chamber; and a second lens device spaced apart from an opposite side surface of the vacuum chamber by a distance, wherein the vacuum chamber includes first and second viewports placed on the surfaces of the vacuum chamber in correspondence with each other, and the micro-alignment telescope, the first lens device, the first viewport, the sighting target, the second viewport and the second lens device are aligned on a same axis in one direction.

The invention discloses an automatic spraying device applied to an SPE film and an achieving method of the automatic spraying device. The automatic spraying device comprises a case, a guide rail, a catalyst temperature control spraying device, a motor and a PLC control system. The case is provided with a spraying work platform, a vacuum chamber and an equipment box from top to bottom. The spraying work platform is used for containing a film clamp fixing the SPE film, a sintering porous titanium plate is arranged on the platform top of the spraying work platform, and an induction coil is evenly inlaid in the platform top. The equipment box is internally provided with a vacuum pump and a heating device connected with the induction coil. The guide rail is arranged on the side face of the case. The catalyst temperature control spraying device is in sliding connection with the guide rail and is used for spraying a catalyst to the SPE film. The motor is used for controlling the catalyst temperature control spraying device to move along the guide rail. The PLC control system is connected with the catalyst temperature control spraying device, the motor, the heating device and the vacuum pump at the same time. According to the automatic spraying device, the catalytic performance of the catalyst can be guaranteed, meanwhile, film swelling deformation of the SPE film is avoided, the film forming quality is improved, and the requirement for batched manufacturing is met.

The invention discloses an ion filling and depositing combined treatment method of rolling bearing ring raceways. The method comprises the following steps: putting a to-be-treated rolling bearing ring into an ethanol solution with purity of 99%, and ultrasonically washing for one or more times with each for 15-20 minutes; putting the ultrasonically washed rolling bearing ring into the worktable of a vacuum chamber, mounting an Mo cathode at the pulse cathode arc source of the vacuum chamber, rotating the worktable to be in front of the pulse cathode arc source, and releasing a pulse bias voltage; introducing high-purity N2 into a vacuum chamber main body and releasing the pulse bias voltage; recovering the pressure of the vacuum chamber to be normal and cooling. After the inner and outer raceways of a rolling bearing are processed by adopting the method, the working surface hardness, wear resistance, corrosion resistance and fatigue resistance of the bearing are remarkably improved, the friction coefficient is remarkably reduced, and the service life of the bearing can be very effectively prolonged.

A vacuum chamber (1) for a coating plant is provided, wherein the vacuum chamber (1) has a base plate (6) and a cover plate (2), which passes through substantially perpendicularly to the base plate (6) and the cover plate (2). ) the extended struts (4) are interconnected, wherein a plurality of openings (9) are defined by the base plate (6), the cover plate (2) and the struts (4), and wherein at least the front edge (15) of the base plate (6) ') and the section of the front edge (15) of the cover plate (2) together with the two struts (4) form an insertable opening around one of the openings (9) (9) The sealing surface of the insert plate (8) in (9). Furthermore, there is provided a method for manufacturing a vacuum chamber (1) for a coating plant, the method comprising the steps of: joining together a frame having a base (6), a cover (2) and uprights ( 4), the pillar (4) is connected to the bottom plate (6) and the cover plate (2); and the bottom plate (6), the cover plate (2) and the pillar (4) are welded together.

The invention relates to the technical field of temperature measurement, in particular to a single-display-unit multi-channel online temperature acquisition system which comprises a vacuum chamber, an air supply system, a power supply system, a control system, an integrated temperature acquisition control system, a plurality of high-voltage isolation modules and a temperature acquisition instrument. A Hall thruster and a thruster tool are arranged in the vacuum chamber, the Hall thruster is fixed on the thruster tool, a plurality of temperature sensors are arranged on the Hall thruster, and a chamber penetrating flange is arranged at the bottom of the vacuum chamber. The system is simple in overall structure and convenient to operate, the number of the display units is reduced, the test cost is saved, test data are effective, and the temperatures of a plurality of high-pressure and low-pressure components under the constraint of a single display unit can be obtained on line in the transient state and the steady state of the Hall thruster.

The invention relates to a detachable sealed vacuum room solar-energy heat collecting exchanging device. The invention mainly comprises a detachable sealed vacuum heat collecting room formed by a glass cover plate with reflective-reducing film, a cover plate and high-efficiency solar-energy collecting plate as dual-layer walls, a thermal-insulated heat exchanging room welded at the back of heat collecting plate, the tubes of medium and relative elements. The invention is characterized in the combination between detachable sealed solar-energy heat collecting room and the thermal-insulted heat exchanging room. The invention can improve the heat collecting efficiency of solar energy.