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  • Beta Gauges
    the thickness of materials or coatings. For nonmetallic materials such as paper, plastic films, or webs, Beta gauges transmit radiation through the material. A radiation or Geiger-Muller detector that is located on the other side of the device measures radiation levels. With coated metallic materials
  • IR, Nuclear and Beta Gauge Instruments
    IR, nuclear and beta gauge instruments use the absorption of radiation to measure the thickness or basis weight of webs, sheet materials or coatings. On nonmetallic materials such as paper or plastic films or webs, the amount of radiation is reflected back or transmitted through the material
  • Tension Testing of Metallic Materials (ASTM E8)
    thicknesses up to 1/4 inch. When the material has a thickness of a 1/2 inch or more, round specimens can also be used. The most common specimens have a 1/2-inch diameter and are typically used for cast and wrought metallic materials. For testing rectangular type specimens we use a variety
  • Medical Device Link . Material Considerations for Flexible Joint Design
    to 0.51 mm (0.020 in.). There were also hollowed-out sections that resulted in wall thicknesses of 0.51 mm (0.020 in). These design features were necessary to allow the part to flex, but made it problematic to find a material that could easily fill the part. Design criteria were developed to quantify
  • Continuous Improvement of Material Characterization Methodology through Gage Repeatability and Reproducibility Studies
    Reliable metrology data such as layer thickness and composition measured by X-ray diffraction (XRD), sheet resistance measured by Eddy current, and qualitative pHEMT epi parameters measured by photoluminescence (PL) are essential in a large-scale epitaxial wafer manufacturing process. In this paper
  • New Materials - New Reliability Issues
    for detecting both are similar. 2143 New Reliability WHP WHITE. PA P E R. NEW MATERIALS—NEW RELIABILITY ISSUES. Semiconductor device reliability can generally be broken into two. parts: infant mortality failures and wearout mechanisms. Infant mortality. failures are due to manufacturing
  • Introduction to Strain Gages
    Strain Gages (gauges): What is a Strain gage? A Strain gage (sometimes refered to as a Strain Gauge) is a sensor whose resistance varies with applied force; It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured. A Strain gage
  • Medical Device Link . Performance Properties of Metallocene Polyethylene, EVA, and Flexible PVC Films
    As manufacturers of medical devices and supplies continue efforts to conserve resources and reduce waste, they are seeking new materials that can meet application needs while providing opportunities for volume or weight reduction. Fabricators are looking for ways to reduce the thickness, weight