We want to etch (dry or wet etching) of InGaP . Can anyone suggest me the recipe for this ?
We are measuring GV response of MOSCAP by B1500 Semiconductor Device Analyzer. We notice that at high frequency we see negative conductance behavior. Can anyone help how to solve this problem or...
18 April 2024 2,298 3 View
Can I use standard cleaning procedures such as RCA1,RCA 2 and Piranha for GaAs substrates ? or these recipes can create any surface morphology by etching the wafers?
20 March 2024 1,527 0 View
In photolithography normally we see 1um or 2 um accuracy , how can we calculate this?
19 November 2023 935 2 View
We are electro spinning nanofibers on ITO coated PET sheet. When we want to keep (deposition by evaporation or sputter)top metal on nanofibers it is shorting with bottom metal(ITO metal). Is there...
15 August 2023 2,528 2 View
Controller placement in SDN network using Antlion optimization and PSO
05 July 2023 6,078 1 View
Normally tantalum has high affinity to react with oxygen and forms Ta2o5 . but we want to sputtered oxide free tantalum. is there any way to deposit oxide free tantalum or is there any Ta alloy...
03 July 2023 4,004 3 View
is there any affect of cleanroom conditions specifically humidity on the photolithography process, such as feature size, developing time ,resolution ..etc?
14 October 2022 5,087 7 View
I am using interdigitated Electrode system in sensing. If I increase the number of fingers in IDE system ,what will happen to equivalent Resistance?
11 July 2022 6,189 0 View
we have Vacuum system technologies(VST) evaporator in our clean room for metal evaporation. we are facing the problem with deposition of Aluminium with e-beam as well as thermal. most of the time...
17 June 2022 7,372 2 View
I have a novel polymer solution, which I can spin coat on different substrates. I want to know how to calculate the dielectric constant of this novel polymer material.? If I spin coat can I use...
01 April 2022 1,002 5 View
Hi researchers! I'm working on soil texture analysis, and the end result for sand is doubtful because there is black sediment appearing after drying, as shown in the figure. Is it considered sand?...
30 July 2024 557 2 View
I am doing research on wear mechanism of the additive manufactured metal parts under dry condition. Please share the reference to start the analytical modelling of the wear prediction.
29 July 2024 6,115 0 View
I performed mmpbsa of protein-protein complex simulation on gromacs. My binding free energy is +166781. This complex is stable when experimentally produced in wet lab. In index.ndx I grouped...
19 July 2024 4,120 5 View
Hello, I am currently working with Malaria Pf/Pan nitrocellulose membranes coated for malaria detection. After drying the coated membranes in an Incubator (overnight at 37°C), I've noticed that...
16 July 2024 7,937 1 View
I have conducted a survey on the "effect of vacuum drying conditions on carbohydrate content of angelica.S". The result show that, when increasing the vacuum degree, the carbohydrate content first...
13 July 2024 592 1 View
Deep etching Negative photoresist Acrylate polymer Chemical etching Ferric chloride Crosslinking Resolution
11 July 2024 2,476 4 View
Hello, I am an Etch Engineer. I am performing etching with high T_ox/Nit selectivity using remote plasma. Etching plasma is formed using only NH3/NF3/H2. 1. I wonder if it would be advantageous...
11 July 2024 8,115 2 View
Hello, I am trying to convert to convert ppm of a solution to μmoles/g of dry sample.
09 July 2024 7,081 1 View
what is the protocol for enzyme freeze drying?
09 July 2024 6,464 6 View
Hello! I am planning to collect plant leaf samples for stable isotope analysis. I will be collecting them from the field and storing fresh tissue on ice. I have heard that bringing along a food...
01 July 2024 9,125 1 View