From: NAME: WILLIAM G KENYON FUNC: Chemicals/Electronics TEL: 302-652-4272 <KENYONWG AT A1 AT ESVAX> To: NAME: [log in to unmask] <"[log in to unmask]"@ESDS01@MRGATE@ESVAX> Get a copy of IPC TR-476 Rev. A. It has all the dope on dendrites. Check the work of C. Jennings of Sandia Labs for the classic work on voltage / spacing info. -Bill Kenyon