TECHNET Archives

December 2000

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Chuck Brummer <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 11 Dec 2000 15:09:26 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (36 lines)
Mark,
The scratches you describe are just blemishes and will not hurt your adhesion.  Many of these
scratches come from dragging the material across the lower sheet in the stack.
Chuck Brummer

Mark Hargreaves wrote:

> Hi All,
>      The double treat inner layer material we use often arrives with surface
> scratches - deep enough to be seen, but not deep enough to affect the
> underlying copper.  These scratches are visible on the finished boards.  Is
> this a cosmetic defect, or worse?  Is board performance affected?  Should
> our vendor be slipsheeting this material?  Which essential question have I
> forgotten to ask?
>
> Thanks in Advance,
> Mark Hargreaves
>
> ---------------------------------------------------------------------------------
> Technet 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 Technet
> Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
> ---------------------------------------------------------------------------------

---------------------------------------------------------------------------------
Technet 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 Technet
Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------

ATOM RSS1 RSS2