TECHNET Archives

September 2010

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:
Richard Hatano <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Richard Hatano <[log in to unmask]>
Date:
Fri, 17 Sep 2010 15:28:17 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (122 lines)
Hi Steven,

Thank you very much for your advice.  I appreciate it and have saved it and
forwarded it to my co-workers who will help with the assembly.
I hope you have a good weekend.

Richard

On Thu, Sep 16, 2010 at 5:03 PM, Steven Creswick
<[log in to unmask]>wrote:

> Richard,
>
> Can not recommend a specific supplier either, however would recommend that
> you diamond saw the boards to singulate rather than score and break, etc.
>
> Most hybrid mfrs that deal with ceramics, or dicing of wafers can easily
> saw
> generic laminates, leaving the module with mirror smooth edges and little
> tearing, smearing of the castellation metallization.  Amounts to selection
> of blade, feed and speed.  Have diced boards ranging from 0.010-0.062"
> thick
> using this method.
>
> Since your have a single-sided board, one would just attach the board to a
> sacrificial plate [glass for example] with a water soluble wax after
> assembly.  Problems will surface if the board is warped, or tall components
> are near the edges where the hub of the dicing blade may hit.
>
> Getting the board is the easy task.  Am sure that you can find a facility
> somewhere nearby that can dice them for you...
>
>
> Steve Creswick
> http://www.linkedin.com/in/stevencreswick
>
>
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Richard Hatano
> Sent: Tuesday, September 07, 2010 1:57 PM
> To: [log in to unmask]
> Subject: [TN] looking for castellation board vendor recommendation
>
> Hello Everyone,
>
> It's been a few years since I've been on TechNet, and it's good to see some
> familiar names.  I hope you're all doing well in these difficult times.
>
> I know my question begs more questions, but I would like to hopefully keep
> it simple by asking if anyone can recommend a pcb fab company to get some
> boards with castellated edges made.
>
> Right now these are prototype and I don't know what the quantity will
> eventually be.  Other than the castellation there is nothing strange about
> them.  They are less than 1 sq. in. in area, 4 layer, SMD one side, 6/6 mil
> trace/space, 14 mil via.  Having thinner boards (0.031") would be preferred
> but seems to really impact cost, so it is a secondary parameter.
>
> If anyone can reply with a recommendation it would be hugely appreciated.
>
> Thanks,
>
> Richard
>
>
> ______________________________________________________________________
> This email has been scanned by the MessageLabs Email Security System.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> 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
> -----------------------------------------------------
>
>
> ______________________________________________________________________
> This email has been scanned by the MessageLabs Email Security System.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> 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=4.3.16for additional information, or contact Keach Sasamori at
> [log in to unmask] or 847-615-7100 ext.2815
> -----------------------------------------------------
>


______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
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