Dear Fellow TechNetters,

Would you please share how you communicate your PCB build structures to PCB fabricators, or, if you are a fabricator, how those which are easiest to understand are presented to you.

For copper, is it best to quote (i) Nominal start weight or thickness, (ii) minimum finished thickness to IPC-2221A tables before and/or after plating if applicable?

For dielectric thickness, (i) specify value, (ii) give range (iii) leave open?

Your advice and expertise is greatly appreciated.

Many thanks and regards,

Phil



********************************************************************
This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
distribute its contents to any other person.
********************************************************************

---------------------------------------------------
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
-----------------------------------------------------