[sdiy] SDIY vs RoHS

[karl dalen]

--- Magnus Danielson <cfmd at bredband.net> skrev::
> From: Tony Clark <clark at andrews.edu>
> Subject: Re: [sdiy] SDIY vs RoHS
> Date: Wed, 25 May 2005 22:20:14 -0400 (EDT)
> Message-ID: <Pine.SOL.3.91.1050525221238.2724B-100000 at orion.cc.andrews.edu>
> 
> > > > > What 01005 samples???
> > > > 
> > > > 0805 0603 0401 0201 01005
> > > 
> > > > No, I am *NOT* kidding! I have (barely) seen it with my own eyes!
> > > 
> > > Barely seen it! im having troubble see 0603 at all!
> > 
> >    0603 is as small as I'll go.  :)  Anything beyond that has to be 
> > machine assembled.  I've seen 0201, but I just can't imagine having to 
> > deal with 01005!  That's like fine grinds of pepper!  Does that stuff 
> > actually come in reels or is some other method of delivery necessary?
> >    There's so many issues to deal with, even with machine assembly of 
> > stuff that small!  Definately would take a much better setup than what 
> > I'm running currently!
> 
> We're doing 0603 and 0402 with handsoldering, so my dear colleage and friend
> wants to push the border for handsoldering even further, getting bored with
> 0402 from a challenge perspective.
> 
> The 01005 comes in normal reels of tape.
> 
> A good pick-n-place machine can already handle them!

The major problem with small components are the
suction effect during oven soldering caused by 
the solder balls melting.
When small they glue, sometimes you cant glue 
either,0105 would be a tought task for either! 

Reg
KD