Ahmed Ibrahim

7 Questions 21 Answers 0 Followers

Questions related from Ahmed Ibrahim

How electron flow in a DC sputtering system when the substrate is a dielectric?

In a DC sputtering diode system, the positive ions follow the electric field direction till they hit the target to eject materials, while the electrons move in the opposite direction. - how do the...

29 January 2017 6,577 3 View

What is the Sputtering Yield of Copper-Tungsten Alloy (25%Cu 75%W)?

Is their a way to calculate the sputtering yield of CuW alloy?

17 January 2017 8,108 6 View

What is the reason of strange Sn peak in SEM/EDS analysis?

I am using Hitachi S3000N VP-SEM with EDX equipment to investigate the composition of deposited Cu and CuW and Ni films on lightly doped Silicon substrates (Phosphorous). Unexpectedly, there is a...

04 January 2017 5,133 12 View

Is there a method to "Sputter-Deposit" a metal (Conductive) film on a non-conductive substrate?

I've a non-conductive substrate, can I sputter (not evaporate) a metalic film on it? RF Sputtering enables the contrary; to sputter insulators on a conductive workpiece. IS there any way to change...

08 May 2016 5,835 12 View

Is there an equivalent circuit for plasma discharge?

To design a bias circuit (constant current source) for a plasma discharge, is there an "equivalent circuit model" for the plasma itself to simulate the circuit? I'm trying to do both: DC and RF...

01 January 2016 1,781 6 View

How can I generate a stable glow discharge?

Plasma properties: I'm trying to generate a DC discharge in atmospheric pressure: Electrodes: a 200um copper electrode and a steel substrate (large size if compared to the electrode) Gas: is...

24 June 2015 2,886 14 View

How can I model solid state electronic devices?

I've a structure of 3 layers (Graphene-Platinum-Silicon). How can I find the I-V equation of such a structure? How to start?

26 February 2015 6,938 14 View