> > first was the LCD, it was a component type of thing that consisted > of a > > plastic box > > open on one side, (hence the water inside), with what looked like a > small > > bar of > > gray carbon looking like stuff, that on one side rested on contacts > on the > > circuit board, > > and on the other rested on the edge of a mat of LCD material > > > > both of these things were held in place by a plastic spacer, then > the > > plastic box had four > > little screws to fasten it to the circuit board. > > It's a zebra strip. There are lots of tiny conductors running between > the PCB and the LCD that are all insulated from one another. If you > imagine these it looks like a Zebra, hence the name. > > The plastic piece clamps the LCD glass to the circuit board putting > the "correct" amount of compression on the zebra strip so it's > connected in the circuit. In production the screws would be put in > with a torque screwdriver so the strips are compressed the prescribed > amount. > > Tim > that's interesting - I just tightened it down with a scew driver, it works so far... maybe the dishwashing soap changed the conductivity... -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu