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Semitron® ESd 420 - ESd PEI (ULTEM)
Semitron® ESd 420 (Static Dissipative PEI - Ultem) is the only, truly static dissipative plastic product for use in high temperature applications. Semitron ESd 420 offers a unique combination of properties: static dissipation, low coefficient of expansion, high strength and heat resistance and is non-sloughing. Semitron ESd 420 also has a tensile modulus of 550,000 psi, a heat deflection temperature (at 264 psi) of 420°F, and a surface resistivity in the intermediate range of 106 to 109 ohms/square (W/sq.).

Semitron® ESd 420 is used for machining of fixtures for handling silicon wafers and IC devices in equipment for manufacturing semiconductor devices. In addition, Semitron® ESd 420 is also ideal for use in equipment for handling components in the hard-drive manufacturing and assembly processes. It's low coefficient of thermal expansion, high compressive strength and good wear resistance makes it ideal for many of these applications. Semitron® ESd 420 has very low residual stresses and as a result can be machined very flat and to very tight tolerances. Perhaps most importantly Semitron® ESd 420 is non-sloughing. As a result, it does not particulate significantly in these handling applications.

Semitron ESd420 provides:
  • Excellent Wafer Handling & Test Material
  • Surface resistivity: 10 6 - 10 9 ohms/sq.
  • Retains its high strength and stiffness at temperatures up to 420°F.
  • Designed for IC Test Sockets, Nests & Handlers
  • Stocked in USA, Singapore and Taiwan Warehouses
  • Singapore warehouse serves customers in Malaysia, Philippines, Thailand, and through Asia
  •    (SEMITRON ESD 420) Semitron®  ESd 420 - ESd PEI (ULTEM)
    Links:
  • Semitron® 420 Data Sheet
  • Semitron® 420V Data Sheet
  • Semitron® 410 -Conductive PEI
  • Semitron ESd 480 - ESd PEEK
  • Semitron ESd 500HR - ESd PTFE
  • Semitron ESd 520HR - ESd PAI
  • Semitron ESd 225 Acetal
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