J. Brandon Mcclimon

3 Questions 10 Answers 0 Followers

Questions related from J. Brandon Mcclimon

What is most accurate way to measure sample surface temperature, RT to 200C ?

So I need to calibrate sample temperature on a small sample heating stage, ~1.5cm diameter. The heater has built-in thermocouple control, but substrates must be mounted on magnetic steel pucks...

02 October 2022 5,544 5 View

Silica collid supplier for AFM?

Hello, I typically use sharp AFM probes to do friction measurements on silica. I blunt the tips somewhat and convert the apex to thick silica by annealing in air at very high temps, which...

18 July 2019 3,012 3 View

When to do lubricant change in turbomolecular pump?

Hi, I'm experienced in UHV work, but I've recently started using a turbo that hasn't been used in quite awhile, and I'm not sure when the last time the lubricant reservoir was changed. I know...

26 November 2018 5,215 3 View