FreeLists / si-list / [SI-LIST] Re: Cross-hatched reference planes

["Chris Cheng" <Chris.Cheng@xxxxxxxx>]

Now that's a first to me. We are talking about the build up, not the core 
layers here, aren't we ?
Thanks for the heads up.
-----Original Message-----
From: Ray Anderson [mailto:ray.anderson@xxxxxxxxxx]
Sent: Thursday, April 05, 2007 1:13 PM
To: Chris Cheng
Cc: si-list@xxxxxxxxxxxxx; Ray Anderson
Subject: Re: Cross-hatched reference planes



Chris Cheng wrote:

"I thought they are called degassing holes. I have yet to see a build up 
multi-layer package that doesn't need one."

 
Chris-
 
Don't know about all package vendors, but Kinsus requires the degassing holes 
in laminate package designs they fabricate whereas Fujitsu's process doesn't 
need them.
 
-Ray
 
 
Raymond Anderson
Senior Signal Integrity Staff Engineer
Advanced Platforms Group
Advanced Products Division
Product Technology Department
Package Design Engineering
Xilinx Inc.
2100 Logic Drive
San Jose, California  95124
(408) 626-6277
 
 


------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List technical documents are available at:
                http://www.si-list.net

List archives are viewable at:     
                http://www.freelists.org/archives/si-list
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu