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  • Smart Air Handler using ProMPT TM and the PIC18F2539
    In many heating, ventilation, and air conditioning (HVAC) applications, air handler motors are either off, or on at full speed. However, by adding variable speed control to the air handler, significant energy savings over the standard on/off control can be realized, resulting in significantly
  • Problem Plungers in Handlers Create Static Charge, Cause Failure (.pdf)
    Among the more common handlers used in the electronics industry are ones manufactured by Delta Design. However, these handlers feature a type of plunger that creates a static charge. As a result, an integrated circuit can be "zapped," causing it to fail. The problem is especially insidious because
  • Nuclestat TM Ionizing Bars Help Improve Yields and Solve Static Problems in Electronic Handlers (.pdf)
    The Data Mark Tester is one of the handlers or environmental testers commonly used by electronics manufacturers. These testers operate from 0o to 100oC. As temperatures rise, the hot dry convection air causes static to occur. While not easy to detect with a static field meter1 (it's difficult
  • Surface Enhancements Eliminate ESD Damage During Operation of State-of-the-Art I.C. Handlers
    and performance of key Exatron handler components such as precision trackwork, main plates, extrusions, input & output mechanisms, rails and slides. All these metal surfaces are subjected to potentially severe friction from the constant action of plastic and ceramic I.C.s being run through testing cycles.
  • Air spring key to robot handler
    Custom actuators, pneumatic clamps, and seal software are among the topics covered in the pneumatics reference guide. A robotic arm developed by Luzenac America relies on air springs to grip and handle bags of talc. Designing a robotic arm to handle 50-lb packages of talc powder was an engineer's
  • Lean Case Study: The values of quick-connect progressive assembly material handlers
    Today we refer to workflow as a sequence of connected steps with the idea of creating a process so that each step follows the preceding step without delay or gap, and thus ends just before the subsequent step begins. Continuous improvement, or Kaizen, is the philosophy or. practice of improvement of
  • | Electronics Industry News for EEs & Engineering Managers
    second round of financing. The funding was led by the private equity arm of Dresdner Kleinwort Benson. Othere investors include Jafco, ACT Venture Capital, BancBoston Capital, and Vision Capital. Cohu expects rebound in chip-test handler orders SAN DIEGO -- Cohu Inc. this week said it was encouraged
  • Control of VAV Systems With DX Cooling: A Digital to Analog Conversion (.pdf)
    The use of direct expansion cooling coils in VAV air handlers offers many advantages over air handlers with water coils. DX coils can be more efficient, they eliminate the freeze problem, and generally cost less to own and maintain. The major deterrent to their use has been the inability to match

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