122 results about "Vacuum flange" patented technology

Mass spectrometer systems for measuring mass/charge ratios of analytes are described. A mass spectrometer system includes a vacuum flange, a PCB base plate coupled to the vacuum flange, and an ion optic assembly coupled to the PCB base plate. The PCB base plate may include signal-processing electronics. The system may include an electrical cable coupled to the PCB base plate for supplying power, control, and I/O to the ion optic assembly and the signal processing electronics. Alternatively, a mass spectrometer system includes a PCB base plate and an ion optic assembly. The PCB base plate has a sealant portion and an electrical portion. The ion optic assembly is coupled to the electrical portion. The system may include a vacuum housing for enclosing the ion optic assembly. The vacuum housing is coupled to the sealant portion of the PCB base plate for sustaining a vacuum while the system is in operation.

The invention provides a high-power non-contact type rapid laser heating device which comprises an adjustment bracket, a camera lens, an optical fiber, a CaF2 window, a first cooling circulating water pipe, a semiconductor laser, a programmable logic controller (PLC) subsystem, a thermoelectric couple temperature sensor, a resistance vacuum gauge, an electromagnetic valve, a refrigerator, a vacuum solenoid valve, a vacuum pump, a thermocouple probe, a second cooling circulating water pipe, a sample, a water-cooling bracket, an air inlet valve, an environmental chamber and a vacuum flange. The rapid laser heating device is in non-contact type, adjustable in output power linearity and low in cost. The high-power semiconductor laser enters the optical fiber by coupling and then generates high heating flux load by a converging combination lens, and heat prevention/insulation material in the environmental chamber can be heated, so that the service performances such as thermal shock, oxidation, ablation and the like can be tested.

The invention relates to an ECR plasma source comprising a coaxial microwave supply line with an internal conductor and an external conductor, wherein the internal conductor with one end as the antenna passes through a vacuum flange in insulated fashion, which vacuum flange closes off an opening in the wall to the plasma space. A multipole magnet arrangement is provided coaxially with respect to the microwave supply line and its magnetic fields pass through the vacuum flange and form an annular-gap magnetic field in the plasma space coaxially with respect to the antenna. The antenna protrudes directly into the plasma space and, in comparison with the internal conductor, it has a radially larger antenna head at which an underside is provided parallel to the vacuum flange in such a way that an annular gap is formed between the vacuum flange and the underside and that the plasma space is delimited coaxially with respect to the antenna and radially outside the annular-gap magnetic field by means of a shield, whose end side facing away from the vacuum flange defines the plasma outlet opening.

A clamp is provided that incorporates a plurality of flexible links with V flexures between the links to maintain even spacing of the links before and during installation. Each link has multiple segments joined around at least one flexure point, and a floating band surrounding the links to distribute clamping pressure that is produced along a circumference of contact points. The clamp provides evenly distributed clamping pressure by increasing the number of clamping contact points between the clamp and articles being joined. The clamp has non-limiting applications for clamping target tubes or as a vacuum flange for ISO fittings. A clamp can produce a vacuum tight seal between a target tube and end block or end support flange of a rotary magnetron without resort to tools, and as such is rapidly secured in place.

The invention discloses a movable temperature measuring device for hot forming of sheets. The device comprises a motor, a reducer, a motor bracket, a thermocouple, a coupler, bearings, a nut, a bolt, a connecting plate, a compressed sealing ring, a ball screw, a quick-release flange, a corrugated pipe, a welded high-vacuum flange, a travel switch and a stopper, wherein the ball screw is connected with the reducer through the coupler; the bearings are arranged at two ends of the ball screw and are fixed on the motor bracket; the nut is connected with the ball screw; the connecting plate is fixed on the nut; the welded high-vacuum flange is arranged at one end of the corrugated pipe and is connected with the connecting plate through the compressed sealing ring; the quick-release flange is arranged at the other end of the corrugated pipe and is connected with hot forming equipment; the thermocouple is arranged in the corrugated pipe; the upper end of the thermocouple is sealed through the bolt and the compressed sealing ring. The nut is in bolted connection with the connecting plate, the travel switch is arranged on the motor bracket, and the stopper is fixed on the connecting plate and is used for starting the travel switch. The temperature measuring device is high in measurement accuracy, easy to control and wide in application range.

The invention adopts a radio frequency gas discharge manner to excite the inert gas plasmas and provides a device for generating a vacuum ultraviolet light source. The device comprises four parts: a central cylindrical shaped interaction cavity, a coaxial circular power charge light source cavity, a radio frequency spiral resonance excitation cavity and an ultrahigh vacuum flange connection component. The device uses a circular tube made of magnesium fluoride crystal materials as its optical window; the vacuum ultraviolet light is generated in the coaxial circular power charge light source cavity on the outer wall of magnesium fluoride circular tube, then penetrates and is radiated into the central cylindrical shaped interaction cavity so that the light could act on a target material directly. In this manner, the travel distance of the light rays is shortened; the effective size of the light source is increased; the beam-divergence angle is reduced; and the utilization efficiency of the light source is increased. According to the invention, the device adopts an electrodeless radio frequency charge manner to excite the gas plasmas, and produces vacuum ultraviolent photons with specific wavelengths by filling different inert gases. Through the adjustment of the parameters of the gases like gas pressure, radio frequency and power, it is possible to adjust the output power of the vacuum ultraviolet light so as to meet the requirements of various applications on the light source.

The invention belongs to the technical field of low-temperature and superconducting application and particularly relates to a low-temperature insulating structure of a gas-cooled lead. The structure provided by the invention comprises a vacuum flange and a three-layer insulating structure which is arranged on the outer surface of the gas-cooled lead, wherein the three-layer insulating structure comprises a lead inner protective layer, a low-temperature insulating layer and an outer protective layer which are sequentially arranged from interior to exterior; and the vacuum flange is connected with the gas-cooled lead which is arranged at the inner core of the three-layer insulating structure through bolts. The low-temperature insulating structure provided by the invention can stand a 5min power frequency voltage test of a more than 35kV voltage class, a thunder impulse voltage test, a partial discharge test, a 15min alternating current withstand voltage test, a direct current withstand voltage test and the like, has the advantages of excellent electric property parameters, reasonable electric field and magnetic field distribution, low heat leakage and integral vacuum tightness withstand voltage properties with a stainless steel liquid nitrogen container, and can be used for improving the stability of a system and greatly lowering the investment cost.

The invention relates to a scattering-low dosage-rotary energetic ion irradiation device which is mainly applied to a low dosage energetic ion irradiation material experiment in a normal temperature environment and is particularly suitable for the irradiation experiment of batch small samples. The scattering-low dosage-rotary energetic ion irradiation device is mainly characterized by comprising a stepping motor support which is fixedly connected on a vacuum flange. A stepping motor is fixedly connected with the stepping motor support. The stepping motor drives a rotating target disc. A fan-shaped baffle plate is arranged in front of the rotating target disc. The fan-shaped baffle plate is connected on the stepping motor support. A beam detection device support is arranged in front of the fan-shaped baffle plate, and a beam detection device is arranged on the beam detection device support. Advantages of the scattering-low dosage-rotary energetic ion irradiation device are that large area of scattered beams are acquired so that efficiency of the irradiation experiment is greatly enhanced.

The invention discloses a novel flange connecting structure which comprises an upper flange neck and a lower flange neck coaxial with the upper flange neck. An upper ISO-K vacuum flange is arranged on the outer wall of the lower end of the upper flange neck. A lower ISO-K vacuum flange is arranged on the outer wall of the lower end of the lower flange neck. The outer wall of the upper flange neck is sleeved with an upper elastic collar, and the outer wall of the lower flange neck is sleeved with a lower elastic collar. An upper loose quick-opening flange plate is arranged on the outer wall of the upper ISO-K vacuum flange, and a lower loose quick-opening flange plate is arranged on the outer wall of the lower ISO-K vacuum flange. A first semicircular clamp and a second semicircular clamp used for locking are arranged on the outer wall of the upper loose quick-opening flange plate and the outer wall of the lower loose quick-opening flange plate correspondingly. One ends of the first clamp and the second clamp are connected through a hinge, and the other ends of the first clamp and the second lamp are clamped though a connecting rod and a nut. According to the novel flange connecting structure, the ISO-K vacuum flanges can be converted into KF flanges without additional arrangement of a transitional tube, the connecting structure is compact in structure, small in occupied space, and capable of facilitating rapid mounting and dismounting of flange connectors.

The invention relates to an in-situ morphology and optical performance monitoring evaporation source. The in-situ morphology and optical performance monitoring evaporation source comprises a vacuum flange, a heat shielding assembly supported on any one side face of the vacuum flange, a heating assembly which is embedded at one end, which is far away from the vacuum flange, of the heat shielding assembly, a material container which is arranged in the heating assembly, a temperature measuring assembly which is mounted adjacently to the material container and is used for measuring the temperature, a vacuum electric connector which is respectively electrically connected with the heating assembly and the temperature measuring assembly and is mounted on the vacuum flange, and a control power source which is connected with the vacuum electric connector; the evaporation source further comprises a microscope mounted in the heat shielding assembly; and the vacuum flange is provided with an observation window which is opposite to the position of the microscope. The heat shielding assembly is internally provided with the microscope and the vacuum flange is provided with the observation window which is opposite to the position of the microscope, so that the morphology and the optical performance of a deposited material on the surface of a substrate can be monitored in real time when the evaporation material is deposited.

A holed side wall type upper vacuum chamber system of a fountain atomic clock comprises a cold atom free flying area vacuum chamber wall, a microwave cavity, four rectangular protruding holes, seal covers of the rectangular protruding holes, a lower vacuum chamber wall, a vacuum flange and a seal glass window, wherein the lower vacuum chamber wall is connected with a lower vacuum chamber. The upper vacuum chamber system is characterized in that the positions, corresponding to four microwave coupling waveguides of the microwave cavity, on the side wall of an upper vacuum chamber, are provided with the four rectangular protruding holes respectively, the rectangular microwave coupling waveguides of the fountain clock are installed by forming the holes in the side wall of the vacuum chambers, the diameter of a cold atom free flying area vacuum chamber is greatly reduced, the total area of the vacuum wall and the size of the vacuum chambers are greatly reduced, the upper vacuum chamber system has the advantages that the size of the vacuum chambers is small, preparation is facilitated under the vacuum environment and a microwave system is easy to adjust, and the minimization of the fountain clock can be achieved.

The invention discloses an open-type high-flux big-caliber optical focusing and frequency conversion device, which relates to an optical focusing and frequency conversion device. In order to solve the problems of big difficulty of assembling and disassembling an optical element on line, complex structure and high cost in the traditional inertial confinement fusion device, the open-type high-flux big-caliber optical focusing and frequency conversion device comprises a frequency multiplication module assembly, an optical transmission pipeline, a lens module, a vacuum sealing sampling module and a three frequency multiplication parameter diagnostics pack, wherein the frequency multiplication module assembly, the optical transmission pipeline, the lens module and the vacuum sealing sampling module are successively and coaxially connected in an optical path; the lens module comprises a lens module shell, a target practice lens and a driving mechanism; the vacuum sealing sampling module comprises a vacuum sealing shell, a main optical path vacuum window, a diagnostics pack vacuum window, a round flange, a square flange and a shielding sheet; and the round flange and the vacuum flange of a vacuum target chamber are in butt joint. The open-type high-flux big-caliber optical focusing and frequency conversion device disclosed by the invention is suitable for the high-flux big-caliber optical focusing and frequency conversion.

The invention discloses an atom generator comprising a vacuum flange, a gas introducing module, a heating module, a heat insulation module, a cooling module and an outlet module. The gas introducing module comprises a gas supply source, a vacuum micro-adjusting valve and a gas supply tube. The heating module comprises a power supply, a tungsten capillary and tungsten heating elements. The heat insulation module comprises a molybdenum heat insulation layer which is fixedly installed on the vacuum flange. The cooling module comprises a cooling sleeve which sleeves the molybdenum heat insulation layer. The outlet module comprises an outlet support which is arranged below the tungsten capillary. The outlet support is fixedly installed on the tungsten heat insulation layer and is provided with a conical internal hole. The center line of the conical internal hole and the center line of the tungsten capillary are collinear, and the diameter of the top end of the center line is less than that of the bottom end. The output support with the conical internal hole is additionally arranged at an atom outlet so that flux density of atoms at a small polar angle can be increased, flux density of the atoms at a large polar angle can be suppressed, angular distribution of atomic beams at the outlet can be improved and atom utilization rate can be enhanced.

The invention relates to a vacuum evaporation source capable of being mounted at any angle for use. The vacuum evaporation source comprises a heat shield assembly, a vacuum flange, a container, a heating assembly which is fixed in the heat shield assembly and is built in the container, a temperature measurement assembly, and a vacuum electric connector which is mounted on the vacuum flange and is electrically connected with the heating assembly and the temperature measurement assembly, wherein the container is detachably embedded at one end, far away from the vacuum flange, of the heat shield assembly and is provided with an inner cavity; an opening communicated with the inner cavity is formed in one end, far away from the vacuum flange, of the container; a circumferential wall extending into the inner cavity is arranged at the opening; the end, extending into the inner cavity, of the circumferential wall is open; the area of the circumferential wall is smaller than that of the inner cavity in the same plane with the circumferential wall. Therefore, an evaporation material can be prevented from falling from the opening when the vacuum evaporation source is tilted or inverted.

The invention belongs to a glow discharge electrode and particularly discloses an embedded glow discharge electrode. The embedded glow discharge electrode comprises a hollow flange, a vacuum electrical lead, an electrode tip and a shielding case; the electrode tip and the shielding case are positioned on one end of a vacuum side of the vacuum electrical lead; the electrode tip is arranged within the shielding case; one side of the shielding case sleeves the vacuum side of the vacuum electrical lead; and the other side of the shielding case is an opening. The embedded glow discharge electrode can avoid direct irradiation of plasma of deuterium and tritium, has a low water leakage risk, and guarantees the safety and reliability of a thermonuclear fusion experiment.