At 4:04 PM -0500 4/27/03, Paul Schreiber wrote:
> > good way to unsolder MOTM PCB's?? They seem to delaminate very
>> easily.
>
>Actually, no they don't. The LPI solder mask used makes it
>∗extremely difficult∗ to delaminate
>unless you:
>
>a) are using an iron not regulated to 700F
Mine is regulated to 700F.
>b) are not removing all the solder and/or you are not first
>detaching the lead from the ∗inside edge∗ of the plated-thru hole.
>In many cases, a lead 'sticks' to the inside plating. You have to
>gently wiggle it side-to-side after 'solder-sucking' before pulling.
I think that's what I've been doing. I know MOTM PCB's are
top-quality, so maybe I'm doing something else wrong.
>The resistor/cap holes used on the boards is ∗oversized∗ as compared
>to 'commercial' boards. This
>was done ∗on purpose∗ to make it easier to desolder.
>
>In 5 years, I've personally never delaminated any MOTM pc board.