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Questions related from Soumendu Sinha
We are looking for a temperature controller or a temperature sensor/probe which can work for a pH range of 2-12. It would be nice if it can be integrated with a readout (using Arduino or any other...
10 October 2018 7,815 5 View
We have deposited Aluminium nitride over gate oxide (SiO2) in a MOSFET and taken Aluminium contacts. It is generally accepted that fixed oxide charges are reduced on treating the sample with...
06 June 2014 3,186 3 View
We want to selectively etch aluminum contacts. The underlying layer is aluminium nitride. How can we ensure that it is not etched? Is it possible the other way round?
05 May 2014 5,473 1 View
Aluminium etching mechanisms involve formation of aluminium oxide using aluminium etchant. Yet, if we want to selectively etch aluminium, can some recipe be made for that? Is it possible the other...
05 May 2014 2,335 4 View
We are trying to deposit Aluminium nitride using pulsed dc reactive magnetron sputtering with pure Aluminium target. However, when we perform EDS analysis of the sample, we are getting 15-20%...
05 May 2014 8,954 19 View
I have been using powerpoint for drawing the process steps of semiconductor device fabrication, for devices like MOSFET or even MEMS devices. It appears to be very cumbersome and crude. They...
07 July 2013 5,344 17 View
In the paper of characterizing anodic bonding by Lee et al., they talk of sodium being transported to cathode on application of voltage. Then what is the use of other compounds? The composition of...
05 May 2013 2,902 3 View
We know that CMP is used for planarization of interconnects in IC fabrication and surface micromachining in MEMS processes. Yet, I am not able to ascertain the role of chemicals in slurry passed...
05 May 2013 1,269 1 View
We tend to use high frequency and low frequency signals simultaneously in RF sputtering process. How do they affect the plasma? What are their uses?
05 May 2013 2,759 1 View
I have read the definitions in books like Sze, Streetman, Kittel etc but all of them give mathematical treatment. For example, work function is given as energy required to take out an electron...
03 March 2013 8,833 24 View
Dear All I am looking for commercial SOI MOSFETs for my work. Can you suggest whether any company sells SOI MOSFETs? I am looking for Fully-Depleted SOI MOSFETs which can be used for measurements.
01 January 1970 5,023 1 View