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Questions related from Matthew Hartensveld
I am trying to achieve a planar coating of photoresist through high aspect ratio pillar arrays. These arrays have a height of ~8um, a diameter of 1um, and a space of 1um. What I am finding is a...
06 June 2019 8,159 2 View
I am trying to figure out the crystal plane that is forming during this etch of GaN, it is forming a 35deg angle or so. Any advice on going from an SEM image to figuring out the crystal plane, it...
11 November 2017 2,346 3 View
I have a 200W 68700 Oriel power supply in order to power my 200W Hg short ARC lamp. I was wondering if anyone here has worked with one before as going off of the manual linked below I am very...
08 August 2016 4,685 1 View
I have looked around and I can't seem to find what the work function for sputtered NiCr is? Ni has a work function of 5 and Cr of 4.5 so is their alloy 4.75? I would like to verify this and if...
06 June 2016 4,301 5 View
Annealing Ni on SiC at around 1000C in N2 is leading to these clusters formed on the surface of my silicide, any idea what it is? Nickel Silicide Clusters?
06 June 2016 2,953 3 View
I picked up an old Quintel 2001C contact aligner that I plan to fix up and get running again. It seems to be all there as shown, minus the microscope that I also acquired. Any schematics or...
06 June 2016 3,311 1 View
I have these polystyrene beads: http://www.polysciences.com/default/polybead-carboxylate-microspheres-075956m The deposition process will introduce some sodium unto the surface which needs to be...
03 March 2016 7,386 3 View
I am having some adhesion issues with AZ 1512HS resist on a Si substrate with 3000A oxide during an HF etch. I don't have HMDS on hand so instead I heat the substrate 150C for a few mins to break...
01 January 2016 9,787 0 View
