Excellent presentation on the process, John! Thanks for sharing it. I have a few questions, interposed below:
Dave Bell N37.28W121.96 On Wed, 5 Apr 2000, John Davis wrote: > * rinse the plate and dye with the background colour (optional). What dyes have you been using successfully? > * laminate a dry film photoresist layer to the porous layer. This is > the key step. The aerosol can type of PCB resist won't work as it > gets sucked into the pores and won't develop out. Lamination needs a > roller temperature of 150 C. A domestic iron can be made to work on > small pieces, but is tricky. What resist film do you use? How are you rolling it down; did you build a heated roller system? > * the photoresist is now stripped off, using a proprietary stripper at > 40C (or a long time at room temp). > * finally, the film is sealed in boiling water (with a proprietary > additive), locking in the dyes and closing off the pores so that the > film becomes silky smooth and corrosion resistant. What stripper and sealant? (I suppose these are available with the film.) And, as Ron Anthony brought up, how do they seem to hold up to the Sun? > Dr J R Davis > Flowton, UK > 52.08N, 1.043E > email: [EMAIL PROTECTED]
