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HD MicroSystems™ Introduces HD-8930 Ultra-Low Cure PBO for Wafer Level Semiconductor Packaging

New PBO Enables Fan Out Designs & Superior Drop Test Results for Portable Devices

Contact:  Ellen Pressley 919-248-5598 ellen.g.pressley@usa.dupont.com

WILMINGTON, Del., May 21, 2009 – HD MicroSystems, L.L.C., a joint venture between Hitachi Chemical and DuPont Electronic Technologies, today introduced HD-8930 ultra-low cure polybenzoxazole (PBO), a dielectric layer for fan out and other semiconductor packaging applications that benefit from lower temperature processing.  The new offering is the latest in the HD‑8900 low-cure PBO series and combines the proven reliability of HD MicroSystems’ PBO technology with curing temperatures as low as 200°C.  With its low modulus and high elongation, HD‑8930 achieves superior drop test results, making it ideal for use in portable electronic devices.

“HD MicroSystems HD-8930 sets a new standard for reliability and performance even in the most challenging semiconductor packaging designs,” said John Malloy, business manager -- HDM.  “We broke the 235°C barrier with the introduction of HD-8910 in 2007, and we’ve continued to drive down the required curing temperatures.  HD-8930 maintains the chemical resistance, thermal and mechanical properties of traditional HD Microsystems’ PBOs while processing at lower temperatures.  This breakthrough enables next generation packaging technologies that require lower device stress and reduced thermal budgets.  This is the type of innovation our customers have come to expect from HD Microsystems, a long time leader in high reliability liquid polyimide technology.”

HD-8930 was developed to bring the highly desirable properties of polyimides and PBOs to lower temperature applications.  It provides another optdensity challenges and device reliability demands.

HD-8930 is available for sampling late third quarter this year and will be featured at the 2009 Electronic Components & Technology Conference (ECTC), May 26-29, 2009, in San Diego, Calif., at the DuPont booths #225 & 227, as part of the broad and growing portfolio of materials represented by DuPont Wafer Level Packaging Solutions.  All attendees are welcome to visit the booth and speak with an HD Microsystems representative, or visit http://hdmicrosystems.com to learn more.

HD MicroSystems, L.L.C., is a joint venture between Hitachi Chemical and DuPont Electronic Technologies, and is a leading supplier of photodefinable polyimide and PBO materials for semiconductor devices, including high-resolution, aqueous-developing products for emerging microelectronic applications.

Hitachi Chemical is a global chemical company that is headquartered in Tokyo, Japan and offers a diverse range of products; including electronics related products and advanced performance products.

DuPont Electronic Technologies is a leading supplier of electronic materials, including materials for the fabrication and packaging of semiconductors, materials for hybrid, rigid and flexible circuits, and materials for advanced displays. 

DuPont is a science-based products and services company.  Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere.  Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.