What are the purpose of the fiducials though? -----Original Message----- From: Duane Foster [mailto:[EMAIL PROTECTED]] Sent: Monday, October 14, 2002 1:35 PM To: 'Protel EDA Forum' Subject: Re: [PEDA] Fiducials
I have been placing round 40mil pads (sans hole) in 3 corners of the layout. I enlarge the solder mask clearance and null the paste mask (check the override box and enter -21mil in 99SE). No complaints yet, I have only used fiducials on SMD. No requests for it on through hole boards. hth Duane Foster -----Original Message----- From: Matt Daggett [mailto:[EMAIL PROTECTED]] Sent: Monday, October 14, 2002 7:29 AM To: Protel EDA Forum Subject: [PEDA] Fiducials I just sent off parts + boards for our first needed outsourced assembly and the assembly house is requesting that I... "remember to add fiducials to your design. All high precision placement machines must have visual targets as part of the design." Can someone give a brief explanation of what these are and what I need to do in Protel to satisfy their requirements. thanks, matt ����`````````````````````````````````````````````````````���� Matt Daggett MCNC - Signal Electronics Division 3021 Cornwallis Road Research Triangle Park, NC 27709 voice: 919-248-9278 fax: 919-248-1455 http://www.mcnc.org/wireless/ ���,�����������������������������������������������������,��� * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[email protected] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
