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  • AN0006 Dielectric Ageing
    ) product. The crystalline structure for Barium Titanate based ceramics changes on passing through its Curie temperature (known as the Curie Point) at approximately 125oC. The domain structure relaxes with time and in doing so, the dielectric constant reduces logarithmically, this is known
  • Electrical Insulators and Dielectric Materials
    are used especially as supports for electric oven resistors or heating elements. Ceramics used for high frequency insulator applications require a low dielectric constant and a small loss tangent. The careful choice of raw materials saves the surface from having to be vitrified. A vitrified surface would
  • Thin Film Deposition Introduction
    Thin film deposition of metallic, insulating, conductive and dielectric materials plays an important role in a large number of manufacturing, production and research applications. Resistance heating, heating and electron beam heating are the processes most widely used. Techniques employed
  • Zirconia (ZrO2)
    Zirconia or zirconium oxide (ZrO2) is an extremely refractory compound of zirconium and oxygen. Zirconia may have additions of calcia, magnesia or baria to stabilize the structure into a cubic structure and/or improve dielectric characteristics. Zirconia stabilized in the cubic crystal structure
  • MICRO:Product Technology News (July '99)
    photoresist removal. This option provides closed-loop temperature control that can speed process steps for increased throughput. (Semicon West, San Francisco, South Hall, Booth 1316) Designed for low-k dielectric and CVD processes, Mag-Lev compound molecular pumps use optimal hydrogen and argon pumping speeds
  • MICRO: Product Technology News (April 2001)
    focus-exposure. A high-flow maglev turbopump has a small design for semiconductor processes. The ATH1600 provides reliable vacuum performance. The pump is suitable for metal etch, dielectric etch, interconnect etch, ion implantation, sputtering, and plasma-enhanced chemical vapor deposition
  • Medical Device Link .
    a current path is created between the electrode and the workpiece through a water or oil dielectric fluid. Unlike other machining methods, the EDM tool itself --the electrode --does not contact the piece being machined. Because a series of small, high-energy, controlled sparks are doing the actual work
  • Why Motors Fail Part 1.
    such as humidity can cause a problem when the motor is de-energized long enough to drop near the dew point temperature because moisture weakens the dielectric strength of electrical varnish and other insulating materials. This moisture also contributes to corrosion of bearings and other mechanical

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