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

How do I solve my resist peeling issue?

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...

31 December 2015 9,730 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View