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HIMNL9 and Benm, I do not know what at old fashioned opamp casing TO-9 cased IC looks like or serves to function, but HIMNL9 seems to hit the nail on the head. I would like to know what you are referring to Benm. I am curious. Both of your inputs are interesting and appreciated. Remember...

I guess I was wondering how Laser Printers worked. I was wondering if I could take a laser out of an outdated laser printer or dvd burner, dvd lightscriber, or CD Burner to mod into my own driver circuit that would create a "burning laser". I have aluminum heatsinks and everything already. I...

There was another "alignment" looking module attached on the right hand side of the final circuitry image that I ripped off. I couldn't figure out if the lenses attached to the inside these "modules" were part of LED -or- Laser Modules, though. The first image is of the ?laser? module that...

Hello there, I am new to lasers, but not to electrical engineering specifications. I just took apart this huge HP DraftMaster II poster pen plotter printer and found this little guy that came out of it. I think it's a laser, but I probably burned it out when I tried to test it! Here's the...