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  • Thermal Stress Testing: Breaking Old Habits
    on the outside of the chamber. In addition to cabling issues, the need to reduce test time continues to play a major role in allocating test resources. These are just a few instances where fixed-dimension chambers are poorly suited for the task. However, chambers are so prolific they often stand
  • MICRO: E A & A
    . The collaboration, a three-year commitment that began in 4Q2004, tasks the chipmaker with supplying representative patterns and unique analytical support, wafer imaging, and data analysis, while the mask house provides test reticles and reticle-fabrication details. The two companies have already tested
  • Pharmaceutical Powders Small Sample Sizes Yield Big Results
    in test results. The same results given by the larger 263cc shear cell (flow function, bulk density, arching dimension, internal friction angle, rat-hole diameter) are given with the small volume shear cell. The small volume shear cell does have an additional advantage over the larger 263cc shear cell
  • MICRO: Manufacturing Effectiveness
    available do not adequately detect defects at 90 nm and beyond, while scanning electron microscopes (SEMs) are too slow. With each successive technology node, critical dimension (CD) metrology measurements are becoming more difficult as the industry nears the limits of CD-SEM and optical critical
  • Processing Milk Powder - The Flowability Challenge
    to build a stable bridge in across the bottom of the hopper. If this bridge is larger than the hopper opening, it can prevent powder from escaping. One of the calculated values that comes from these tests is the arching dimension. This number can be of use in characterizing milk powders and in designing
  • Peter Pande on Six Sigma Success: Don't Get Mired in the Details
    By Agnes Shanley, Editor in Chief For instance, if nurses say X about a tablet distribution process, they give you data not for a conclusion but a hypothesis. Then you test the hypothesis and dig deeper to get more data to validate the hypothesis. When people say Six Sigma doesn 't apply
  • Learning to Decrease Machine Design and Build Costs
    in the automotive test equipment business at companies such as Forester Instruments in Pittsburgh, Phil opened Salem Design & Manufacturing in Salem, Ohio in 2004. Here, he and his engineering team design and build a variety of highly application-specific, custom machinery for the gauging
  • Fixed Limit Gages...What Are They?
    . It follows that large numbers of shafts and bearings, screws and nuts and other assorted parts may be stockpiled at the assembly plant without having been test-fitted. If it is now possible to select parts at random and fit them into a functioning assembly, it is only because gages existed

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