DESIGNERCOUNCIL Archives

April 1998

DesignerCouncil@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:
Mirka Halas <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Tue, 14 Apr 1998 09:57:44 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (56 lines)
Randy,
      it is definitely not over kill. With ever shrinking geometries of
components
you need smaller vias. For micro BGA's you will need via in the pad -
blind via that is, and that's where the 6 mil vias come to use. We are
not using micro BGA's yet, but
in couple of years probably will.

Regards

Mirka




Randy Gibbons wrote:
>
> I am looking for information relating to pcb designs incorporating via
> holes with a drilled diameter of .006 or less. About 2 months ago the
> company I work for purchased an Ultra Violet laser drilling system. They
> also invested a considerable amount of time (and money) in upgrading our
> plating techniques to plate a hole of this diameter.
>
> Is this overkill for a technology that could become a passing fancy? Or are
> they trying to keep in step with an ever changing pcb industry? Any info or
> comments are welcome.
>
> [log in to unmask]
> Ph:714-241-0303 x 34
>
> ################################################################
> DesignerCouncil E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
> ################################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
> To subscribe:   SUBSCRIBE DesignerCouncil <your full name>
> To unsubscribe:   SIGNOFF DesignerCouncil
> ################################################################
> Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information.
> For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
> ################################################################

--
Mirka Halas <[log in to unmask]>

################################################################
DesignerCouncil E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE DesignerCouncil <your full name>
To unsubscribe:   SIGNOFF DesignerCouncil
################################################################
Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
################################################################


ATOM RSS1 RSS2