How to calculate the pull-in voltage of RF MEMS Switch in Comsol?

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How to avoid blistering in DC sputtered thin films?

I am trying to deposit DC sputtered GeTe thin films. I need to anneal the films to crystallize them. I am using RCA1 cleaned substrates with chamber vacuum > 2e-8 Torr. After deposition, films...

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Any guidance on DC sputtered tungsten micro heaters?

I am trying to design micro-heaters that should go more than 800 deg C. I tried different materials, but tungsten seems a potential candidate. I am using lift-off to pattern the thin films of...

05 June 2017 8,184 4 View

How does one calculate RF MEMS Switch Speed (Transient Analysis)?

Hi, Can anybody help me in calculating RF MEMS Switching Speeds in Comsol Multiphysics/ANSYS? Can anybody share the sample/example model? I am using Ansys HFSS. Can we do this by exporting the...

08 September 2014 6,647 6 View

Best way to design CPW for Multiport RF MEMS Switches

For SPST switches computation of G/S/G for CPW is easy, but what about rotary type SPNT Switches?

06 July 2013 153 0 View

Microsoft Word or LaTeX?

I've using Word since so many years, but new to LaTeX, and starting seems difficult as there are a lot of commands. Is LaTeX is really better than word?

06 July 2013 1,202 15 View

How can I check for fatigue or the lifetime of an RF MEMS switch using COMSOL?

Please if someone could explain that how can I check the lifetime of RF MEMS switch or any other structure (example or switch) which makes contact with signal to change the state in COMSOL!

06 July 2013 5,069 2 View

Calculation of elastic recovery forces in MEMS switch membranes in COMSOL

When we provide bias voltage, due to electrostatic force the membrane gets displaced towards electrode/s, but how to check the elastic recovery forces of membrane, i.e., will the structure returns...

06 July 2013 6,429 1 View

Is it possible to grow a layer of graphene on gold at micro scale?

I want to know that whether it is possible to grow a layer of graphene on gold, if yes then how?

06 July 2013 8,847 2 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

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Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

Has anyone experienced changes in growth for cell culture when purchasing media from different companies?

I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines

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What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View