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From: firstname.lastname@example.org (Steve T Shannon)
Subject: Re: place to assemble prototype BGA PCBs?
Date: 15 Dec 2002 09:57:30 -0800
NNTP-Posting-Date: 15 Dec 2002 17:57:31 GMT
Rene Tschaggelar wrote in message news:<3DFBA989.email@example.com>...
> Steve T Shannon wrote:
> > Hello! It looks like an ic we need for our latest project is only
> > available in BGA form -- which I don't really want to solder by hand.
> > Can anyone recommend a service (in the US) that might let me mail them
> > the boards and the parts, and then send me the boards back with BGA
> > devices assembled? Any suggestions on prices either?
> > I'm curious how most people have solved the BGA prototyping problem...
> BGA cannot be mounted manually. The only choice is vapor phase.
> Basically a pot with some liquid that evaporates/condenses
> at around 220Deg C. The temperature profile is made by controlled
> lowering the pcb int the pot and controlled lifting out of it.
> It is standard in many pcb fab houses.
I figured the process was difficult to do manually -- i've seen things
suggesting the use of solder paste + toaster oven, etc. I saw an old
usenet post where someone mentioned a service in the UK that you could
send your board + parts to, and they'd send you back everything stuck
together. I can't be the only person in need of such a service...
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