Lord Valve offered the following advice:
in ,

: Ross Matheson wrote:
:
: Hi,
:
: I've been parting out some rather large junked but new-ish photocopier
: SMPS boards, as large as ~ 11"x12" in ali chassis, and eyeing up the
: quality fibreglass PCB itself. Wide traces and groundplane areas, and the
: thought has occurred to me to strip off the actual traces and re-use
: sections of the boards with eyelet tags or turrets for my own projects.
:
: Any ideas as to how to go about effectively lifting the copper traces to
: get it back to a blank fibreglass board?
:
: Thanks, RdM
:
:
: Scour the traces to bare copper with some ScotchBrite.
: Put the board in a tank of etchant.
: LV

Thanks! I wondered about heat, given experience with unwanted trace lifting,
but that was mainly on crummy pcbs. Going the whole etchant route occurred
to me, and I may have to do it, but I just thought I'd ask first. RM.