U

• UltraRF - to be acquired by Cree Research - 160 Gibraltar Court, Sunnyvale, CA 94089 - 877/206-5657 - FAX 408/541-0139

• Ultra Technology- 2512 Tenth Street, Berkeley, CA 94710 - 510/848-2149

• UMC (United Microelectronics Company)- 13 Innovation First Road, Science Based Industrial Park, Hsinchu, Taiwan, R.O.C. - +886-3-578-2258 - FAX +886-3-577-4767

• Uniphase - see JDS Uniphase

• Unisem Semiconductors - 34A Mauchly, Irvine, CA 92618 - 949/453-1008 - FAX 949/453-8748

• United Monolithic Semiconductors S.A.S. (- Route Départementale 128-BP 46, 91401 Orsay Cedex, France - +33 1 69 33 03 08 - FAX +33 1 69 33 03 09

• Unitrode - acquired by Texas Instruments
  - 7 Continental Blvd., Merrimack, NH 03054 - 603/424-2410 - FAX 603/424-3460

• USAR Systems
  - 568 Broadway, New York, NY 10012 - 212/226-2042 - FAX 212/226-3215

• US Digital Corporation
  - 3800 NE 68th Street, Vancouver, WA 98661 - 360/696-2468 - FAX 360/696-2469

• US Microwaves
  - 2966 Scott Blvd., Santa Clara, CA 95054 - 408/986-8026 - FAX 408/986-8027

• UTMC Microelectronics Center a division of Aeroflex
  - 4350 Centennial Blvd., Colorado Springs, CO 80907 - 719/594-8000

• Utron Technology, Inc.
  - 1F, No. 11, R&D 2nd Road, Science-Based Industrial Park, Hsin-Chu, Taiwan R.O.C. - 886-3-5777882 - FAX 886-3-5777919