Try using an IR heat lamp like for keeping plants or reptiles warm on
the top. You need to thoroughly heat all of the parts and make sure
the flux is hot enough to activate.
On Fri, Apr 3, 2009 at 4:12 PM, Jim Lewis <jim.lewis@...> wrote:
> I have a problem with SMT chips jumping off the board during reflow. I preheat for 2.5 minutes 1/4" above the hot plate and then reflow 1.5 minutes directly on the hot plate at 375F with a cover. Paste is from Stencils Unlimited. Any solutions?
>
>
--
Erik L. Knise
Pacific Shipping Company
Seattle, WA