Uniform Coating of Resist in Arrays?

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...

05 June 2019 8,121 2 View

How to tell crystal planes from SEM?

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...

10 November 2017 2,302 3 View

Hg Lamp Ignition?

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...

07 August 2016 4,649 1 View

What is the work function of NiCr?

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...

05 June 2016 4,247 5 View

Does anyone have Quintel 2001C Contact Aligner Documentation?

05 June 2016 3,266 1 View

Nickel Silicide Clusters?

05 June 2016 2,917 3 View

Will polystyrene be etched in a HPM clean?

02 March 2016 7,339 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View