High internal free volume compositions for low-k dielectric and other applications
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United States of America Patent
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Mar 2, 2010
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app pub date -
Jan 20, 2006
filing date -
Nov 22, 2005
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Abstract
The present invention provides materials, devices, and methods involving new heterocyclic, shape-persistent monomeric units with internal free volume. In some cases, materials the present invention may comprise monomers, oligomers, or polymers that incorporate a heterocyclic, shape-persistent iptycene. The present invention may provide materials having low dielectric constants and improved stability at high operating temperatures due to the electron-poor character of materials. In addition, compositions of the invention may be easily synthesized and readily modified to suit a particular application.
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