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Questions related to Devices
I am looking for a device or software program that measures depth and length of micro scratches. An example would be to have it scan something like a card or small piece of something and then...
11 December 2020 4,156 1 View
I'm working with magnetic material particularly CoFeB. I notice a weird pattern. I see that my coercivity increases with device size. The device is multi domain and contrary to what I'd expect....
10 December 2020 1,785 1 View
Researchers are developing a portable device that gives rapid, accurate test results with the help of a regular smartphone camera. By estimating the number of virus particles in samples, the...
10 December 2020 3,064 4 View
I have heard of the Plant Spikerbox from Backyard Brains and trying to acquire it. I want to study the electrophysical changes in common plants as Chilli, Tamarind, Papaya, etc due to...
05 December 2020 6,560 2 View
Are there specific test methods, experimental devices, and recent related documents, as well as related calculation methods.
02 December 2020 4,318 3 View
I will be freeze-drying small skeletal muscle samples (~60mg) per sample using a Virtis SP Scientific Benchtop Pro Freeze Dryer. I've had difficulty findings a reference protocol to determine the...
22 November 2020 1,648 1 View
Hello every one I was wondering if someone could help me solve the problem that I have with my Mass Spectrometer. Actually I have already calibrated my MS device for a mixture of 60% Ar and 40 %...
20 November 2020 3,224 3 View
Large values of resistors and capacitors are hard to match in the fabrication phase. It will create some systematic mismatches. So how to avoid those kinds of mismatches in case of current-mode...
20 November 2020 3,906 8 View
Hello everyone, I have a device (metal-oxide photodetector) with photosensitivity of around 10, in which regardless of the distance between electrodes, the value of photocurrent remains constant,...
09 November 2020 10,117 6 View
During the lock down and this pandemic one of the barriers that for music educators have become a dificulty has been the problems of latency in videochats, difficukting, even making unviable to...
08 November 2020 3,817 2 View
I'm trying to figure out to generate SAW in a ceramic piezo substrate in 2D. I'm unable to see a propagating SAW in the device. It would be helpful if someone could provide a barebones comsol...
07 November 2020 9,348 3 View
When I run large simulations with 100s of devices it takes several hours for the simulation to complete. So if I need to run like 20 - 30 different parameter settings then it would take me several...
06 November 2020 7,940 2 View
This is a question about the IEC 60601-1 standard and how it applies to non-medical devices. I am developing a system which is not a medical device. It is a data system for collection of vital...
03 November 2020 6,061 3 View
Hello everybody and thank you in advance. I would like to ask you about a power analysis problem starting from an example. I have two medical devices (A and B) that finds lymphnodes. My...
02 November 2020 4,473 11 View
I came across a very interesting product by Philips (link below). However, this article dates back in 2010. I have been searching the web for more recent updates on this product and I can't seem...
29 October 2020 3,864 0 View
I am looking for a simple and cheap mask for the formation of top contact for my devices. Is it possible to make without buying from a company?
12 October 2020 9,820 7 View
what are devices that use the 2 photon absorption property of a material
04 October 2020 10,093 2 View
Consider perfect metallic conductors (red and blue) Of cross-section shown in the figure (the cross-section is centered at x = O). Let the length Of this conductor be 'L' (oriented along...
30 September 2020 2,364 4 View
The pitot tube can obtain the dynamic pressure by measuring the total pressure and static pressure, thus obtaining the average wind velocity. Then my question is: whether the time history of...
25 September 2020 4,244 3 View
I have measured 2 bio impedance measurements from 2 AD5933 evaluation boards connected to both the arm of human body and took the readings from both the devices at once. I m getting a repetitive...
23 September 2020 1,051 3 View
I inviting the research scholar, who's working on it. It is an open discussion on device physics-related issues of nanosheet Field Effect Transistor (FET) compared with nanowire and planner bulk...
23 September 2020 2,619 3 View
Dear/ Colleagues, I hope everything is going well with you. I fabricated some OPV devices with inverted geometry employing the structure ITO/ZnO/P3HT: PC70BM/ MoO3(8 nm)/Ag(100 nm). However, the...
21 September 2020 8,361 5 View
I am currently trying to figure out how to extract raw data from the Emotiv Epoc+ device. Any help regarding that would be appreciated.
21 September 2020 2,160 1 View
I saved some images when I scanned certain area using imagexpress pico. But don't know how to add scale bar either in system or image J. I am wondering if anybody can provide some help on that?
18 September 2020 8,218 4 View