trace wrinkles

[jd]

Brad Parker wrote:
> David Griffith wrote:
>> Yes, wrinkles.  I see this most often with wider traces.  Commodore 64s
>> seem especially prone to this.
> 
> can you supply a picture?
> 
> I've never seen this occur after time has passed.
> 
> Other problems can cause this during wave solder... but that's a different
> issue.
> 
> 

Repeated wave and reflow solder will do it, too, even if the board does not
actually touch the solder. Rapid, extreme thermal cycling.

--
jd
If you live to the age of a hundred you have it made because very few
people die past the age of a hundred.
                -- George Burns