Products/Services for Laser Welding Ceramic-to-metal Seal

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  • Miniature Accelerometer For High Temperature Automotive And Aerospace Vibration Measurements, 3221C Series
    The 3221C series are hermetically sealed using laser welds and a ceramic - to - metal sealed connector, as well as base-isolated to avoid annoying ground loop interference.
  • Brazing of sensors for high-temperature steam instrumentation systems
    Procedures are developed for brazing a ceramic - to - metal seal and for laser welding of sensor subassemblies into tube walls, induction brazing thermocouples through a tube wall, and furnace brazing triaxial cables, thermocouples, and a vent tube to a guide tube.
  • Compact High Repetition Rate CO2 TEA Lasers
    It has been found through field tests and production programs at Hughes that the requirements of military missions can be met only with a hermetically sealed laser pressure vessel using welded seams, ceramic to metal brazed seals and fritted optical windows.
  • A comparison of LBW and GTAW processes in miniature closure welds
    � geometries which act to minimize the required heat input, using high power density,low-total heat input weldingprocessessuch as laser and electron beam welding , keeping the seals as far as possiblefrom � � higher strengthceramic- or glass- ceramic - to - metal sealing procedures, and process �
  • Thermal analysis of electron gun for traveling wave tubes
    Pierce type electron gun developed at MTRDC consists of a dispenser cathode and BFE (Beam focusing electrode) along with support structures and ceramic to metal sealed cylindrical vacuum envelope having high voltage insulation. In this structure different materials are used and joined together by brazing and laser welding techniques.
  • Hermetic Aluminum 38999 Connector from PA&E
    Laser welding is a non-contact, high-precision welding process that exhibits an extremely small heat-affected zone, ensuring components or electronic packages are exposed to the least-hostile welding environment possible. Besides this new aluminum-shell connector, PA&E custom manufactures circular and rectangular DC connectors in a number of configurations including options with standard stainless steel shells that use both Kryoflex ceramic - to - metal and glass-to-metal sealing processes.
  • New FC/APC Fiber Optic Bulkhead Connector From PA&E
    This new fiber optic connector uses PA&E's patented Kryoflex� polycrystalline ceramic - to - metal sealing technology to achieve a leak rate less than or equal to 1X10-9 cc/sec He at one atmospheric differential pressure. The connector body is made of 300-series stainless steel, which is laser weldable to either aluminum or titanium by means of an explosion-bonded metal transition bushing.
  • Low cost fiber in the loop (FITL) laser modules
    The thermoelectric cooler removes heat generated by the laser chip and requires external power supplies. Hermeticity for the electrical connections is achieved by glass-to- metal seals or ceramic - to - metal seals. Finally, a metal lid is soldered or welded to complete the hermetic seal.
  • PA&E Announces Lightweight, Hermetic Micro-D Connector
    Its chemically active Kryoflex seals provide a direct ceramic - to - metal bond, by means of oxygen-pinned valence bonding. Because PA&E�??s new aluminum Micro-D connectors can be laser welded into an electronic package, a common failure point �?? solder joint fatigue �?? is eliminated.
  • Hermetic Sealing Services
    Fusion welding uses a�high-energy laser or an electron beam to increase the temperature of a material to molten and in a liquid state. The molten material rapidly cools to create a seal . � Ceramic - to - metal hermetic�seals are run through a high-temperature furnace to create a final assembly with a permanent hermetic bond.