X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Message-ID: <51E975F4.1070206@sonic.net> Date: Fri, 19 Jul 2013 10:23:00 -0700 From: Dave Curtis User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121028 Thunderbird/16.0.2 MIME-Version: 1.0 To: geda-user AT delorie DOT com Subject: Re: [geda-user] PCB BGA (ball grid array) Package/Footprint References: <1374186814 DOT 16840 DOT 19 AT zotlet> In-Reply-To: <1374186814.16840.19@zotlet> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com On 07/18/2013 03:33 PM, Lilith Bryant wrote: > On 2013-07-19 01:19:25 AM, Rob Butts wrote: >> Has anyone done a PCB using the new chips with the BGA (ball grid array)? >> If so, how did you define the footprint? As through-holes? Fab shops must >> be capable of accommodating these ICs otherwise they wouldn't exist. >> >> I'm thinking they must be easy to solder since it would simply fall into >> it's position with either pre-soldered holes or pre-soldered pins/balls. >> > I have just finished a paying job using an iMX6 processor (624 ball 0.8mm), > FPGA (256 ball 1mm), and 4xDDR3 (96 ball 0.8mm). However, even for > personal use prototypes, I wouldn't even try doing it myself. What do you end up paying an assembly house to attach of those on a one-off basis for a prototype?