1. Newport Inc., 1791 Deere Ave., Irvine, CA 92606, USA.
2. Huber Diffraktionstechnik GmbH, Sommerstr. 4, D-83253 Rimsting, Germany.
3. International Radiation Detectors Inc. (IRD), 2545W. 237th Street Unit I, Torrance, CA 90505-5229, USA.
4. One gigarad passivating nitrided oxides for 100% internal quantum efficiency silicon photodiodes
5. Mclennan Servo Supplies LTD, Yorktown Industrial Estate, Doman Road, Camberley, Surrey GU15 3DF, UK.