TECHNET Archives

October 2005

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:
James Hofer <[log in to unmask]>
Reply To:
James Hofer <[log in to unmask]>
Date:
Wed, 5 Oct 2005 16:11:10 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (78 lines)
Difficult to break if done by hand.
The flip side is If the part is thick and the array is long a .012" web can
break during assembly.

James Hofer
Director of Operations
Accurate Circuit Engineering
3019 S. Kilson Dr.
Santa Ana Ca. 92707-4202
714-546-2162 work
714-473-6127 cell
[log in to unmask]
----- Original Message -----
From: "Dwight Mattix" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 05, 2005 4:03 PM
Subject: Re: [TN] PCB Score Depth


> At 02:52 PM 10/5/2005, Joel Mearig wrote:
> >Is there a specification for score depth on PCBs? In other words does one
> >always leave the same amount of web after scoring regardless of the board
> >thickness
>
> we have a set web thickness of 0.012" +/- 0.002" -- based on evaluations
> Phil Bavaro ran.  He can elucidate further if needed.
>
> dw
>
> >or is it a percentage of board thickness?
>
> no.  you get up over 15 mil web and it gets to be too tough to break even
> if the overall pwb thickness is great.
>
> >  Thanks              Joel
> >
> >
> >---------------------------------------------------
> >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
-----------------------------------------------------

ATOM RSS1 RSS2