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Questions related from Jose Joseph
Hi all, I am working with a DC magnetron sputtering station having a power supply with constant power, constant voltage and constant current modes. My depositions used to last for several hours...
07 October 2019 8,061 5 View
Hi all, Could somebody help me with the approximate price range of Nanoscibe Photonic Professional GT 3D printer? Thanks in advance, Jose
03 December 2018 6,853 4 View
I have an application where I need to measure current signals with frequency 2 MHz to 5 MHz. The current signal variation will be in the order of few micro Amperes. Can anyone suggest an idea to...
07 March 2017 5,425 3 View
Dear all, Can anyone suggest me the easiest way to assess the boron concentration in a thin silicon film (50nm) deposited on a glass/SiO2 substrate? Will EDS in SEM help? There are literature...
27 July 2016 8,650 3 View
I have a requirement in my project wherein I need to multiply a DC voltage source four to five times. I have a DC source that can give 5 V at 1 Amps. I need to make it 20 to 25 V and the current...
09 March 2016 6,096 3 View
Hi all, I am wondering if we can use titanium (>100 nm) instead of chromium as masking material in photo-masks for UV lithography. Titanium gives good adhesion to glass and can be patterned...
28 October 2015 2,992 6 View
Dear all, I have SU-8 as structural material of my MEMS device. I want to make electrical contacts over SU-8 structure. Which will be the best metal that suits for this application? Can titanium...
27 August 2015 9,836 7 View
We are trying metal assisted chemical etching in our lab. Since the metal layer for this purpose needs to be too thin (few nm), the adhesion of metal to the silicon substrate is poor. We observed...
14 August 2015 6,848 4 View
In my process flow, I want to wet etch amorphous silicon thin films selectively by keeping some areas of it protected with photoresist. In that case, I wish to use an etchant which is acidic in...
19 July 2015 4,420 4 View
