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Conduct Research Top

  • 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
  • Loss Tangent
    current tan = | IR / IC | . The dielectric quality factor (Q) is equal the inverse of the loss tangent. High Q or low loss tangents are required to reduce insertion losses. Q = (average stored energy per cycle / energy dissipated per cycle)
  • Bismuth Titanate Ceramics
    Bismuth titanate ceramics have a very high Curie temperature and operating temperatures of up to 550°C. The materials exhibit low dielectric constant, low dielectric loss and properties stable up to very high temperatures. Bismuth titanate ceramics are used in high temperature applications
  • Cordierite Porcelain
    porcelain has a low coefficient of thermal expansion, high mechanical strength, and low dielectric loss. Cordierite is commonly fabricated into insulator or insulating substrate due to its good dielectric properties. Cordierite has excellent thermal shock resistance, withstanding red heat to ice water
  • Effect of Permittivity and Permeability of a Flexible Magnetic Composite Material on the Performance and Miniaturization Capability of Planar Antennas for RFID and Wearable Wireless Applications
    capability of 2.4× and performance differences. of increased bandwidth and reduced gain, both of which were. attributed in part to the increase in the dielectric and magnetic. losses. A key finding of this paper is that a small amount of. permeability (µr~2.5) can provide a substantial capability
  • Ferrites and Garnet
    Ferrites and garnets are ferrimagnetic oxides with dielectric and magnetic properties that are useful for RF and microwave applications. Ferrite's high electrical resistivity coupled with low magnetic losses is critical in maintaining low insertion loss in microwave devices. The three major
  • MICRO:Editor's Page (Jan '99)
    The semiconductor industry faces a daunting array of defect reduction and yield enhancement challenges as it implements copper and low-k materials and processes over the next couple of years. The SIA roadmap noted that yield losses caused by contamination-related defects and field failures
  • Barium Titanate (BT)
    Barium titanate (BaTiO3) is a compound consisting of titanium, oxygen and an additional cation: barium. Barium titanates are commonly used for their specialized dielectric or piezoelectric properties. Resonators are often made from barium titanate ceramics. The dielectric constant and loss tangent

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  • Landolt-B�rnstein
    The filissiges dielectric of high frequency-power capacitors has itself D i b u ty l se bazat (amerik. commercial designation: LEctronol) eingefiihrt because of its high Dielektrizit?tskonstanten by low dielectric losses and because of the low decrease of the breakdown resistance �
  • Electronic components
    Because of the very much lower dielectric losses and that are clearly superior to the significantly higher thermal conductivity the circuit board substrates ceramic substrates at high frequencies.
  • Plastics
    Because of the low dielectric loss factor, PS not with aid of high frequency is weldable.
  • Material customer
    Latter has particularly low dielectric losses .
  • Polyolefin?Folien as electroinsulation
    the - films occupy in this respect a Sonderstellung as they have a particularly low dielectric loss factor and a Dielektrizitatskonstantevon only about 2,3 because of absence of polar groups (10-3 to 10-4).
  • Plastics
    Because of the low dielectric loss factor, PS not with aid of high frequency is weldable.
  • Dielectric properties of different insulating materials
    has 13 el of the temperature yon 18o (and probably also below) the Gutta- Gentzsch a significantly lower dielectric loss as gutta-percha.
  • Ceramics
    One wants to produce the products with low dielectric losses , one must either hold the content of glass phase low and/or alkalihaltigen fluxes through erdalkalihaltige to replace.