On Thu, Apr 16, 2015 at 10:57 AM, Jerry Biehler <[email protected]> wrote: > So you got the one on Craigslist?
Yup! > Most likely it is the scan drives for the coils on the column. They see the > most current. If they are like my hitachi which is similar vintage it uses a > simple analog amp module. Yeah that's what the seller thought too, said that they 'scoped one of the beam rasters and what should have been a sawtooth/triangle wave was not (was ugly). They got an image onscreen that didn't make sense, but could see it change when they moved the sample stage... so things seem pretty good. > These old scopes are pretty simple. Almost everything is analog and pretty > easy to trace out with a scope. Hopefully! > JEOL will almost certainly not give you the manuals, they are considered > proprietary. Actually I heard that someone online with a similar model, and also a hacker, got the docs from Jeol with ease... but had to sign an NDA. I'm going to try and wait until I get stuck to call them up, that way I can share what I discover! > Mine: > https://hackaday.io/project/3281-hitachi-s-450-scanning-electron-microscope Sweet! I will have to 'like' that! _______________________________________________ dorkbotpdx-blabber mailing list [email protected] http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber
