It was only an AMD graphics chip on a laptop.. but I was determined to win. (and I did). I only did it manually due to the busted template, I have a shiny new microscope, and a free afternoon. And it's good practice. -Jim -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of V G Sent: 16 October 2011 21:35 To: Microcontroller discussion list - Public. Subject: Re: [EE] Soldering BGA On Sun, Oct 16, 2011 at 4:03 PM, Jim Franklin wrote: > The PCB doesn't need solder, as you say, the balls ARE solder. > *I just "broke" a template, so I manually placed 100+ 0.5mm balls on a chip > using a pin and a microscope.. it CAN be done, but it SHOULDN'T be done! > It must have been a really expensive chip. What was it? --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .