Look at IPC-2221A 8.1.8 (page 58) & Figure 8-4. My regards, Steve Smith, C.I.D. Product Engineer Staco Energy Products Co. 301 Gaddis Boulevard. Dayton, OH 45403 Telephone: (937) 253-1191 Ext. 158 Fax: (937) 253-1723 E-mail: [log in to unmask] Web Site: www.stacoenergy.com & www.stacopower.com > -----Original Message----- > From: DesignerCouncil [mailto:[log in to unmask]]On > Behalf Of Gary > M. Koven > Sent: Monday, March 28, 2005 1:11 PM > To: [log in to unmask] > Subject: [DC] Conductive pattern to mechanical hardware clearance > > > Which IPC specification will show the minimum clearance from > conductive > pattern to mechanical hardware such as swage standoffs? > > Right now I have approximately 0.025in (0.635mm) from via pad edge to > standoff lip edge, and want to make certain that distance will be > sufficiently robust for production. > > The manufacturers' datasheets don't specify a recommended > clearance, and > neither do the IPC-222X series specs. > > Thanks, > > ====================== > > Gary M. Koven > Engineering Services Manager > Dynazign, Inc. > 806 Tyvola Road, Suite 100 > Charlotte, NC 28217 > P: 704.405.1234 x210 > F: 704.405.1402 > http://www.dynazign.com/ > > -------------------------------------------------------------- > ------------------- > DesignerCouncil Mail List provided as a free service by IPC > using LISTSERV 1.8d > To unsubscribe, send a message to [log in to unmask] with > following text in > the BODY (NOT the subject field): SIGNOFF DesignerCouncil. > To temporarily stop/(restart) delivery of DesignerCouncil > send: SET DesignerCouncil NOMAIL/(MAIL) > Search previous postings at: www.ipc.org > On-Line Resources > & Databases > E-mail Archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for > additional information, or contact Keach Sasamori at > [log in to unmask] or 847-615-7100 ext.2815 > -------------------------------------------------------------- > ------------------- > --------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL) Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ---------------------------------------------------------------------------------