anti-uv eprom labels

I normally use the foil write-enable tabs for 8" floppies (on the grounds they're the right size and I have plenty of them). I may stick a paper label over that if I need to label the EPROM in some way. Actually, just about anything will do. Unless you're going to be leaving this board out in the sun all day, it's not going to get much UV light on it. So a paper label on its own should be easily enough. I think the EPROM pacakage was made upside-down :-). If the quartz window had been on the bottom, it would have been effecrtively covered when the EPROM was fitted into a socket. It would have been easy to put the EPROMs in an eraser with the pins towareds the UV source. Of course you then couldn't have erased the EPROMs when they were fitted to the PCB, but very few boards allowed you to program the EPROMs without removing them, so this would be no problem [1]. [1] Yes, I do know the DEC Omnibus EPROM module that has a bank of 1702As on it, which are connected to the rest of the logic by edge fingers on the top edge of the PCB with plug-on jumper blocks. Apprenetly you connected special cables between those top connectors and a 1702A programmer to program the soldered-in 1702s. I am not sure why they did this, I think turned-pin sockets would have been cheaper and as reliable. -tony