DuPont LTCC material suits 50GHz+ electronics

October 7, 2011 — DuPont Microcircuit Materials, part of DuPont Electronics & Communications, uncrated its DuPont GreenTape 9K5 low temperature co-fired ceramic (LTCC) packaging material, offering good dielectric constant properties for higher speed, frequency, and reliability applications.

GreenTape 9K5 suits LTCC antennas within high-speed, high-reliability subsystems, such as automotive radar and other 50GHz+ applications. GreenTape 9K5 LTCC has a dielectric constant of 5.80 (at 10 GHz), compatible with the commercial DuPont GreenTape 9K7 LTCC System. Full commercial rollout will occur next year.

At IMAPS 2011, DuPont will showcase the product and present on LTCC dielectric characterization for high-frequency microwave and millimeter-wave packaging.

"Introducing the DuPont GreenTape 9K5 LTCC System with Low Dielectric Constant," will be presented on October 12, during the Ceramic and LTCC Packaging I Session (WA3) of IMAPS 2011. Deepukumar M. Nair, applications development manager, will present initial characterization of the new DuPont GreenTape 9K5 LTCC system consisting of low-k dielectric tape, gold and silver conductors to evaluate the effects of chemistry, processing conditions, processing latitude, microstructure and microwave performance. Test coupons with various transmission and resonating structures are designed, fabricated, and tested for the evaluation of transmission losses and dielectric properties. Stability of the material system over multiple re-fire steps is also examined. Nair also will present "Bulk and In-Circuit Dielectric Characterization of LTCC Tape Systems Through Millimeter Wave Frequency Range," as part of the Ceramic and LTCC Packaging II Session (WP3) on the same day.

DuPont Microcircuit Materials develops and manufactures specialized thick film compositions for electronic applications in the automotive, display, photovoltaic, biomedical, industrial, military and telecommunications markets. It is part of the global materials supplier DuPont (NYSE:DD). For more information on DuPont Microcircuit Materials, visit http://mcm.dupont.com.

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