Avijit Das

5 Questions 6 Answers 0 Followers

Questions related from Avijit Das

Can anyone suggest from where I can purchase polyimide for fabrication?

Hi, I am currently working on a fabrication process, for which I need to use polyimide. I know HD Microsystems sell fabrication grade polyimide (PI2610 or PI2611), but they are currently out of...

18 November 2020 3,690 4 View

Any organic sacrificial material withstanding 1165 (heated) or acetone?

I am using E beam lithography for patterning which utilizes PMMA as the mask. I have a sacrificial layer coated with a thin SiN film, on top of which I need to pattern. Problem is when I try to...

23 September 2020 2,896 2 View

Will there be any Fluorescence shift if two quantum dots are separated by 4/5 picometers???

Hi, I am currently working on a project, for which I needed to utilize the fluorescence shift originated from the separation between two quantum dots (i.e., CdSe or CdTe). However, is it possible...

03 August 2019 3,622 0 View

What is the concentration measurement limit (atoms/cubic cm) in Mass Spectrometer?

I am planning to inspect a quartz sample to measure Diffused Argon (Ar) concentration at depths as small as 100 angstrom (depth profiling). Can anyone suggest whether it is possible to measure...

30 October 2018 1,483 5 View

How to capture Laser ablated gas molecules using a vaccum pump?

I am planning to perform a laser ablation experiment on Ar diffused quartz in different depths, creating free Ar molecules which I need to capture instantaneously using a vaccum pump. But cant...

26 October 2018 9,440 6 View