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Questions related to Coating
I came across a Fibre Optic SPR sensor used with a phone and I was trying to figure out what thickness they used for their sensing...
14 December 2021 3,341 3 View
The PM6:Y6 solution is blended with chloroform at 50 degrees and spin-coated. During spin coating, the coating continues to be opaque, reducing the device's performance. Do you know the solution?
13 December 2021 9,597 5 View
I have an unknown sample, where isophthalic or terephthalic acid could be there, how I can identify the exact acid ? There is also possibility of the presence of some other diacid, what are the...
13 December 2021 7,742 2 View
i want to make a presentation
12 December 2021 6,618 5 View
I want to do hemocompatibility tests on the heparin coated polymer. It should be sterilized using gamma beam? Can I use ethylene oxide?
12 December 2021 1,788 1 View
I have coated conductive glass with TiO2 using dip coating, the precursor I used was titanium butoxide, and I prepared 0.1 M solution with this precursor ( Propanol as solvent), the main problem...
09 December 2021 7,725 4 View
I got LNCaP-FGC cell from NCCS-Pune. When it arrived it was in good health but after 2 passages it started turning bad, lots of black dots appeared beside the cells and eventually cells died after...
07 December 2021 5,038 3 View
Hello, I am working on a mems chip. it is a released cantilever. the cantilever was on oxide and oxide has been etched by wet HF. however, we would like to fill beneath the cantilever with oxide....
01 December 2021 2,962 9 View
What materials do you recommend as a coating layer to obtain liquid crystal cells with homeotropic alignment of molecules? In some articles, lecithin is mentioned, a small amount of which should...
28 November 2021 1,039 6 View
I have ~150nm PMMA coating Al2O3 (50nm) which I would like to etch ebeam fabricated patterns out of the Al2O3. For UV litho patterns I use AZ 4533 and etch the Al2O3 with 80% H3PO4 at 110C....
26 November 2021 3,069 3 View
Genotypes with pigmented seed coats showed high levels of seed viability.
23 November 2021 9,088 4 View
I have one Si coating with very thin NbTiN. I coated AZ1512 as protective layer prior dicing. Because the film look not uniform so I spray acetone to remove that resist layer. What make me confuse...
23 November 2021 10,002 2 View
The substrate material I have used to deposit the coatings is a Tungsten carbide tool insert. I have 2 coating variations: one with a monolayer of TiAlSiN and another with a bilayer of...
21 November 2021 7,441 5 View
I want to coat photoresist on the silica through dip coating method. please recommend some photoresist suitable for dip coating
18 November 2021 6,792 3 View
I tried to deposit AuNP dissolved in toluene onto Kapton tape by dip coating. However, instead of a continuous uniform film, I got a stripe-like film with non-uniform thickness when the withdrawal...
17 November 2021 4,568 4 View
In general, when we prepared the sol-gel coatings from MTMS and TEOS, some samples will crack easily and are there ways to reduce this deffict?
11 November 2021 6,920 5 View
Hi I want to produce a graphite and aluminum silicate based water solution as a refractory coating. Which binders and additive are proposed? The rheology and uniform coat with no drips are required.
10 November 2021 6,258 2 View
For some special reason, I hope to reduce the adhesion between AZ-5214E photoresist and silicon wafer. Right now I spin coat AZ-5214E on solvents & DI water rinsed smooth silicon wafer,...
09 November 2021 457 3 View
I'm working on superhydropobic coating with titanium sol-gel. I use titanium isopropoxide, ethanol, distilled water and HCI. After dip coating, I put glass to in desiccator and dried 50 C for 1...
08 November 2021 7,400 2 View
Dear All, Greetings of the day. I have hydrothermally synthesized bimetallic nanoparticles which have flower-like structures (file attached). the size of the synthesized flowers is below 100 nm...
08 November 2021 2,156 3 View
Plz answer me few queries my Project work z synthesis of metal doped acacia Arabia mediated cuo nanocompsites along with gold coating 1.why gold coating is given to nanocompsites 2.whats...
27 October 2021 1,217 8 View
Hi I have been using the medium RPMI-1640 + glutamine +10% FBS for culturing the human brain microvascular endothelial cells and the cells were growing normally on flasks without any coating....
26 October 2021 1,020 2 View
Does anyone know if silicide would react with dilute HF acid? Intermetallic silicides like NiSi,CoSi,FeSi,PtSi etc.. If some silicides react with HF acid, what are the product of these reactions?...
26 October 2021 2,971 6 View
Dear all, In a coating project, I am trying to disperse PMMA micronized particles (around 1µm) in water. However, because these particles are very hydrophobic, I have difficulties to obtain a...
25 October 2021 3,113 5 View