LISTSERV - DESIGNERCOUNCIL Archives

DESIGNERCOUNCIL Archives

June 2007

DesignerCouncil@IPC.ORG

	LISTSERV Archives
	DESIGNERCOUNCIL Home
	DESIGNERCOUNCIL June 2007

	Log In
	Register

	Subscribe or Unsubscribe

	Search Archives

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 >>]

Subject:	Are multi layer boards with external planes patented now?
From:	Matthew Lamkin <[log in to unmask]>
Reply To:	(Designers Council Forum)
Date:	Wed, 20 Jun 2007 08:47:57 +0100
Content-Type:	text/plain
Parts/Attachments:	text/plain (26 lines)

Apologies if this has already been posted, I just came across it trying to find
some info on removing via pads on internal layers (can anyone point to any articles for why/why not to do this?)

The first hit on a Google search for "suppressing vias internal layers pcb" was this:

http://www.patentstorm.us/patents/7016198.html

eh?

Matthew

----------------------------------------------------------------------------------------------------------------------------------------------------
This email, its content and any files transmitted with it are intended solely for the addressee(s) and may be legally privileged and/or confidential. If you are not the intended recipient please delete and contact the sender on the telephone number +44-(0)1282-717171 or via email return. Unless expressly stated otherwise, and subject to the disclaimer below, this email does not form part of a legally binding contract or agreement between the recipient and Protec Fire Detection Plc. (registered no. 1170489). Registered Office: Churchill Way. Nelson. BB9 6RT. Lancashire. United Kingdom.
Messages sent via this medium may be subject to delays, non-delivery and unauthorised alteration. This email has been prepared using information believed by the author to be reliable and accurate, but Protec Fire Detection Plc. makes no warranty as to accuracy or completeness. In particular, Protec Fire Detection Plc. does not accept responsibility for changes made to this email after it was sent. Any opinions or recommendations expressed herein are solely those of the author.
----------------------------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------
DesignerCouncil 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 DesignerCouncil.
To temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL)
Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail 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

LISTSERV.IPC.ORG