atheos Posted January 21, 2005 Report Share Posted January 21, 2005 Hello guysIn articles pages (http://www.electronics-lab.com/articles/uv_box_hg/index_en.html) there is this project on how to build a UV exposure box using mercury lamps.I have build this project and although I left the pcb for about 30mins nothing happend.a)For the lamps I asked and bought mercury vapor lampnot the same brand though as in the pics located at the project pageb)Yes I bought the special PCB with photosencitive surfaceThank you in advanceatheos Quote Link to comment Share on other sites More sharing options...
mixos Posted January 22, 2005 Report Share Posted January 22, 2005 After exposure you should develop the board in NaOH solution. The solution must have aroung 5,8g per litre of water. After 1-2 minutes you will se the pcb artwork to appear on the board. Wait until it seems clearly. After this step you move to etching step as normally on no photo fabrication method. Quote Link to comment Share on other sites More sharing options...
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