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Semiconductor Molding Compound

 

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Encapsulants and potting compounds are resins or adhesives that are used to encapsulate circuit boards and semiconductors, fill containers of electronic components, and infiltrate electrical coils. They provide environmental protection, electrical insulation and other specialized characteristics.
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  • Polymers For Sealing
    tried to keep up with the fast pace of developments in semiconductor manufacturing. Advanced analytical techniques have yielded novel seal geometries and rubber compounds with improved thermal, chemical, and cleanliness properties. There are a vast number of polymer choices available today
  • New Roles For Ceramic Parts
    , produces the parts with a proprietary injection-molding technique. Wafer carriers and other components used in semiconductor fabrication are traditionally made from quartz, but these are silicon carbide. A proprietary process from Poco Graphite, Decatur, Tex., converts the machined graphite structure
  • Soft Solder Die-Attach (.pdf)
    it provides the most reliable and effective. is required before the device is encapsulated in. means of conducting both electricity and heat. molding compound. · In the fl uxless solder wire process, the wire is. Although fl ip-chip and other package types are. auto-fed into an in-line system where
  • Plastic Packaging and the Effects of Surface Mount Soldering Techniques
    profile is provided as a reference. later. Moisture sensitivity of plastic packages has been a. concern for semiconductor manufacturers. Moisture. The electronics industry has moved to smaller and. can and will permeate any molding compound. The. thinner surface mount packaging in the progress. rate
  • More metal parts go to composites
    line resulting in higher process yields. Ports for the optical sensor can be easily machined in the CP-9800 composite to exacting tolerances. Hot properties. Another Vespel grade suitable for semiconductor applications is Vespel CR-6100. This sheet-molding composite is a Teflon PFA reinforced
  • Application: Oscilloscope Feed Loops Use Reed Relays
    and can carry digital pulse as. for 5 Ms. fast as 20 ps. DC Static contact. 250 mOhms. resistance. MEDER's reed relays use hermetically sealed reed switches that are further. Dynamic contact. 250 mOhms. packaged in strong high strength thermoset molding compound, and can. resistance. therefore
  • MICRO:Semicon Southwest '98 - Technical/Business Programs (Oct. '98, p.127)
    Tanner, University of Salford New Epoxy Molding Compound for SMT Packaging with PPF Lead Frame Akira Yoshizumi, Kazuhiro Sawai, Ken Uchida, Hirokazu Ibuki, Mototake Andoh, and Isao Yamamoto, Toshiba Chemical Surface Contamination of Bonding Pads Incapable of Au Wire Bonding M. Watanabe, Advantest
  • Keeping contaminants out
    of fluoropolymers make them candidates for semiconductor wet-bench processing, ultrahigh purity (UHP) chemical transport, dry-etching, gas-deposition, and thermal applications. High-purity materials used in these processes are vulnerable to contamination through contact with materials and surfaces

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