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Open AccessReview

Porous Dielectrics in Microelectronic Wiring Applications

International Business Machines Corporation, 2070 Route 52, Hopewell Junction, NY 12533, USA
Materials 2010, 3(1), 536-562;
Received: 7 December 2009 / Revised: 1 January 2010 / Accepted: 14 January 2010 / Published: 18 January 2010
(This article belongs to the Special Issue Porous Materials)
Porous insulators are utilized in the wiring structure of microelectronic devices as a means of reducing, through low dielectric permittivity, power consumption and signal delay in integrated circuits. They are typically based on low density modifications of amorphous SiO2 known as SiCOH or carbon-doped oxides, in which free volume is created through the removal of labile organic phases. Porous dielectrics pose a number of technological challenges related to chemical and mechanical stability, particularly in regard to semiconductor processing methods. This review discusses porous dielectric film preparation techniques, key issues encountered, and mitigation strategies. View Full-Text
Keywords: porosity; dielectric; interconnect; microelectronic; integrated circuit; semiconductor porosity; dielectric; interconnect; microelectronic; integrated circuit; semiconductor
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MDPI and ACS Style

McGahay, V. Porous Dielectrics in Microelectronic Wiring Applications. Materials 2010, 3, 536-562.

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