Roland, don´t know what about maths in Switzerland, but for the rest of europe and as far as I know, for the rest of the world, nano stands for 1*10^-9 and micro for 1*10^-6. Seems like you have mixed it up or some kind of reversed it. Regards Gebhard _____________________ Delphi Deutschland GmbH Body & Security Electronics Manufacturing Engineering Design Design Center Bomig/Wuppertal Albert Einstein Straße 5 D-51674 Wiehl-Bomig Tel.: +49 (0)2261-971-880 Mobile: +49 (0)170-9994871 Fax: +49 (0)2261-972-880 E-mail: [log in to unmask] _____________________ --------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------