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  • MICRO: Semicon West 2003
    In an industry reeling from the most extended downturn in its history, some things do remain constant: Semicon West is the must-attend event on the semiconductor trade show calendar. For the first time in recent memory, some exhibit-hall space continues to be available at press time. Despite
  • MICRO: Products
    MetaPulse-III CMP provides metal thin-film metrology for 90-nm and below manufacturing processes at a low cost of ownership. Copper CMP applications require constant monitoring to control dishing and erosion of the copper film, which can reduce device performance. The tool uses patented noncontact
  • Position sensing to soothe the aching back
    A surgical tool for injecting polymer into vertebrae discs relies on a magnetostrictive sensor for absolute position feedback. Visible in the upper right-hand corner of the Disc Dynamics surgical tool is the C-Series magnetostrictive sensor used to maintain constant pressure on the polymer flowing
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    FOC technique also overcomes restrictions placed on some applications INTRODUCTION that cannot deploy position or speed sensors because the motor is flooded, or because of wire harness place- Designers can expect environmental demands to con- ment constraints. With a constant rotor magnetic field

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