DuPont announces a commercially available system of thick film materials

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RESEARCH TRIANGLE PARK, N.C., --December 11, 2003-- DuPont Microcircuit Materials announces a commercially available system of thick film materials for use with aluminum nitride (AlN) substrates. The complete material system allows circuit designers and manufacturers to take advantage of the benefits of AlN substrates for electronic applications requiring high thermal dissipation and high power output.

The combination of DuPont thick film materials and an AlN substrate provides consistent performance and is a cost-effective alternative to beryllium oxide (BeO) or thin film AlN systems. Customers who use the complete thick film material system indicate potential cost savings as high as 35 percent over thin film AlN systems. In addition, AlN substrates have environmental advantages over BeO substrates, while providing comparable thermal performance. The full line of thick film materials for AlN includes gold and silver-based conductors, resistors, dielectrics, through-hole fills, brazing, and encapsulant compositions.

The thick film material system for AlN substrates is ideal for applications that require high power output, efficient heat dissipation, and reliable performance. Automotive industry examples include power modules, Insulated Gate Bipolar Transistors (IGBT) for inverters, and DC-DC converters. Telecommunications uses include RF equipment, power resistors for base stations, and optoelectronic modules.

DuPont Microcircuit Materials has over 30 years of experience in the development, manufacture, sale, and support of specialized thick film compositions and DuPont™ Green Tape™ materials for a wide variety of electronic applications in the automotive, biomedical, commercial, military, and telecommunications markets. For more information about DuPont thick film material system for AlN substrates, contact DuPont Microcircuit Materials at 1-800-557-4505 or visit www.dupont.com/mcm.

DuPont is a science company. Founded in 1802, DuPont puts science to work by solving problems and creating solutions that make people's lives better, safer and easier. Operating in more than 70 countries, the company offers a wide range of products and services to markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

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