On Dec 12, 2007 6:12 AM, Tamas Rudnai wrote: > Yes, I am afraid of this too: currently I can test electrically most of the > things using a voltmeter, but with this QFN... - ok, pads are coming out on > the side, but still it needs some steady hand if it is possible at all. > > Anyway, I'll try many methods I have read here and will which suits most for > both-of-my-left hands :-) With a good PCB, a vice to hold the PCB and Hakko 936 Hot Air station and some flux, once upon a time I could solder some QFN16 parts with successful rate of 66.7% (soldered three parts, one failed). The technician soldered 12 parts with a successful rate of 83.3%. Luckily I only needed to do this for that single part (a new ASIC in beta testing). Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist