Pete, I really don't have a vendor assessment yet since the boards haven't been sent back yet. They are shipping today so I'll have to give them some time to get there and see what the verdict is after that. I've asked for a Corrective Action report should they find what I identified as over etch on some trace widths, to less than minimums, so stay tuned... Also, just to keep it professional and such, one of the parties that replied to this issue, just happened to be the source of these boards. At the time I first sent the question though, they were not aware of my findings. That being said, they are very aware now, that this is not the kind of thing they want to have going out the door and in places like this. As you mentioned, traces that may look ugly are not reject able, however if they go below minimums then that's another story. Until I have the results of their inspection, I won't know if I was too critical or indeed on the mark for rejecting them. I'll try to follow up on the forum when I get the final report. Later... -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Pete menuez Sent: Saturday, February 25, 2006 8:31 PM To: [log in to unmask] Subject: Re: [TN] Board etching question for you board shops out there. Scott, You've received a number of explanations on the causes of ragged edges, mousebites, (hungry mice) etc. What did the vendor say was the cause? Did their explanation agree with the comments of this group? I would also want to know why these boards shipped. Did the vendor agree with you, are there actual violations of the requirements or are you looking at poor workmanship issues. (A rough trace that does not go below the minimum is not rejectable but is ugly.) Just my two cents worth, Pete >From: Scott Decker <[log in to unmask]> >Reply-To: TechNet E-Mail Forum <[log in to unmask]>, Scott Decker ><[log in to unmask]> >To: [log in to unmask] >Subject: [TN] Board etching question for you board shops out there. >Date: Thu, 23 Feb 2006 12:33:43 -0700 > >All you board gurus out there, I have a question for you. > What are the reason(s) I see traces that look like a mouse has >nibbled on the copper to etch it, as opposed to acid etching the copper? >I'm looking at some boards that look like the resist was put on by a >drunk with an old marker pen! The vias are not even round and the SMD >lands have ragged edges also. This shop is off my list from here on out >and going to be rebuilding some boards due to minimum trace problems >too, but can anyone tell me what causes the ragged edges like that? I >understand that specs are looking at averages, which means a high and >low end of the spectrum. I think I know who put the low numbers into the >pot. :-( >Thanks for any info. > >Scott Decker >AKA: Padmasterson >Broad Reach Engineering CAE >Ph. 480-377-0400 Ext. 34 >FAX. 480-968-4597 >Tempe, AZ. > > >--------------------------------------------------- >Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 >for additional information, or contact Keach Sasamori at [log in to unmask] or >847-615-7100 ext.2815 >----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------