While fitting a heatsink to the outside of a green laser pointer I broke the cyanoacrylate glue holding the driver board to the brass housing. I did not think this was a problem. I was quite wrong. A laser diode is very fragile inside. I thought I only had to be careful with heat and static shock. Here are some photos of the inside of a dead 808nm laser diode.
http://www.designerinlight.com/holo/dld.htm
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