Lpc2000

----- Original Message ----- 
From: "David Hawkins" <dwh@...>
To: <lpc2000@yahoogroups.com>
Sent: Monday, April 10, 2006 10:12 PM
Subject: [lpc2000] Hobbiest BGA prototyping


>
> Hi all,
>
> We've had the discussion of
>
> 'how do I use BGA parts for small quantity designs?'
>
> a few times. With the option of toaster oven reflow
> ovens looking like they had the best potential for
> a hobbiest.
>
> I was at the embedded systems conference in San Jose
> last week (I didn't have time to check out the
> Philips booth, so nothing to report there - sorry).
>
> I did find an assembly company ...
>
> http://www.screamingcircuits.com/
>
> click on the quote/order link (it seems to be a bit
> slow right now ...)
>
> Then for a totally made-up design (with a single
> BGA part, and SMT parts for the rest) I entered:
>
> Board Qty:        10
> Total #parts:     20
> Double-sided SMT: No
> Lead-free:        No
> SMT:              20
> Fine pitch:        5
> Thru-hole:         0
> BGA:               1
>
> 10-day delivery time was $660 total, so $66 per board.
>
> So, this is far from the $3000 I have paid for a subcontractor
> to load lots of BGA parts ... not too unreasonable for a
> small run of boards ... perhaps too much for a hobby project.
>
> But hey, I figured someone might be interested in these
> numbers, and perhaps you can enter a real design and
> tell us how it compares to what you paid :)

A co. I know will assemble BGA parts quite cheaply for me for prototypes, 
leaving me to assemble the rest of the board. They recently put on some QFN 
parts for me free of charge, they did it while I waited in about 20 minutes.

Leon
--
Leon Heller, G1HSM
leon.heller@...
http://www.geocities.com/leon_heller