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All MDC quartz viewports are constructed from UV grade fused silica. Sleeve and flange materials are manufactured from high purity 304 stainless steel and vacuum tube grade braze alloys are designed and rated for high and ultrahigh vacuum applications. Fused silica is a polycrystalline, isotropic...

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A Pyrex® substrate is sandwiched between two elastomer seals. The outer elastomer (top in drawing) is for cushioning and the inner elastomer (bottom in drawing) makes the vacuum seal....

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Glass viewports are an economical, practical and common solution for vacuum observation ports. Glass viewports are typically sealed to low expansion nickel-iron alloys or 300 series stainless steel metal sleeves using the latest in glass-to-metal bonding technology....

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A viewport, sometimes referred to as a window, is an optical component that provides a means for visual, optical or broad-band energy transmission in and out of a vacuum system....

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  • CIRCULATING MOVING BED COMBUSTION PROOF OF CONCEPT – PHASE II
    … to MBHE Rupture disk Nozzle PT213 Added - connected to Ash Inlet Pipe Vent Nozzle Installed purge and bleed port on slide seal body Installed 2 - 4" access ports on MBHE @ ash distributor Vacuum ash from ash distributor Video inspection of ash … Ash inlet vent closed with viewport 1542 .
  • Evaluating the Burning Velocity of Gaseous Fuels for Engine Applications: the DHARMA Project
    … four solenoid valves and the pressure transmitter are installed on a stainless steel distributor (rail), which is … Once the pressure is equalized, the vent path is routed to a vacuum pump, which pumps the … … mm): the resulting beam size is 72 mm, purposely larger than the reactor viewport diameter (65 mm).
  • Plasma Diagnostics in JFT-2M
    The optical system from the camera to the JFT-2M viewport consists of an infrared lens on the cam- era head, a turning mirror, and a sapphire vacuum win- dow on the viewport with the distance from the camera position to the … … V! character measurement or of the floating potential measurement by using the elec- trical distributor switching circuit.
  • Butt Joint Tool Status: ITER-US-LLNL-NMARTOVETSKY-01312007
    Modified flow distributor (has no holes and grooves to try for feasibility). Leak checking of the vacuum chamber. … through and thought that the most likely area of the leak was the viewport and the plate …
  • Experimental Innovations in Surface Science
    … gives a wide angle view throughout the chamber when one looks through small viewports in the load … The entry into an ultrahigh vacuum chamber can often be achieved through a flanged entry port that … Chicago, IL 60640-4496 Tel: 312-784-5100 Fax: 312-907-5217 Electronics distributor .
  • Handbook of Manufacturing Engineering and Technology
    Distance Measurement Viewport Vacuum Pump … reactor design introduces the gas into the reactor perpendicular to the wafer surface through a distributor plate.
  • COLLECTED PAPERS OF CARL WIEMAN
    Electronics, 450 Fortune Blvd., Milford, MA 01757 (also available from electronics distributors … and to hold samples of a gas isolated in the middle of a vacuum system for many … Conflat-type seals), and six viewports (win- dows mounted on stainless steel Conflat-type flanges).
  • States > California > State > Regulations > Title 8 - Industrial Relations > Division 1 - Department of Industrial Relations > Chapter 4 - Division of Industri...
    … in the same building with ammonium nitrate except on the premises of makers, distributors and user-compounders … Vacuum sweeping equipment where used, shall be of a type approved for use in hazardous locations. (D) A viewport ; and .
  • Advanced Technologies in Manufacturing, Engineering and Materials
    Gas distributor 11. … compacts of φ10 mm×200 mm in dimensions, the green compacts were sintered in vacuum at 1400℃ for … … last, different level terrain data are selected to render scene by the distance between viewport and ground.
  • Proceedings of ISES World Congress 2007 (Vol. I – Vol. V)
    … sure that all those involved (manufacturers of equipment, housing financial agencies, regulating agencies, distributors of electric energy … … in hot summer and cold winter zone”, JGJ134-2001 (8) “Technical Condition for Vacuum Valves Solar Collector” … In order to have visual access to the models, three viewports at eye level (5 ft) were …