THANK'S
Regard's, Fred Dark Jr.
At 02:39 PM 6/25/2003 -0400, you wrote:
>If you go to
>http://www.pcbstandards.com/forums/showthread.php?s=&threadid=203&highlight=
>BGA+Fanout there is an attached file near the end of the thread that you can
>download. It has some really good info.
>
>--------------------------------------------------
>Jacqueline O'Grady
>Product Development
>
>Spotwave Wireless Inc.
>1 Hines Rd.
>Ottawa, Ont.
>K2K 3C7
>Canada
>
>Tel: (613) 591-1662 ext. 252
>Fax: (613) 591-8107
>[log in to unmask]
>
>Be sure to visit Spotwave at these upcoming events.
>For additional information, see http://www.spotwave.com/news_events.html
>~ IIR, May 5-7, 2003, Arlington, VA
>~ CeBIT America, June 18-20, 2003, New York, NY
>
> -----Original Message-----
>From: McGlaughlin, Jeffrey A [mailto:[log in to unmask]]
>Sent: Wednesday, June 25, 2003 2:21 PM
>To: [log in to unmask]
>Subject: Re: [DC] 8mm pitch BGA
>
>1.) I am going to assume that you mean 0.8mm, not 8mm for the BGA pitch,
>
>2.) and that you are using 0.3mm diameter lands.
>
>3.) Based on these criteria and on input from one of the fabricators I work
>with I use 0.1mm drill / 0.45mm pad (internal and external) and .1mm trace
>and space design rules.
>
>4.) Remember to fan-out all unused balls to via, and teardrop all
>connections and you should get a reasonable yield out of the design.
>
>
>Jeffrey A McGlaughlin, CID
>Engineering Designer
>Battelle Memorial Institute
>Columbus Ohio
>http://www.battelle.org
>[log in to unmask]
>
>
>-----Original Message-----
>From: Fred Dark [mailto:[log in to unmask]]
>Sent: Wednesday, June 25, 2003 1:57 PM
>To: [log in to unmask]
>Subject: [DC] 8mm pitch BGA
>
>
>Hello All, I Would like to know if anyone has used a BGA with a 8mm pitch.
>What I'm looking for is some design recommendation... What via size to use
>and trace width and clearances...
>
>Thank's, Fred Dark Jr.
>
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