Mathu Sridharpanday

10 Questions 15 Answers 0 Followers

Questions related from Mathu Sridharpanday

Any possibility or methods of camera inspection for submicron (<1 microns) crack detection?

1) Crack detection:- To inspect the top wafer to detect cracks from incoming wafer from post back-grind with TiAg deposition supplier. ( crack size : 500nm to 5um) 2) customized inspection...

14 June 2023 609 2 View

How to develop a Ultrasonic Horn?

I intend to design and build a new / custom ultrasonic probe horns. Recommend a book or article to familiarize ourself with design parameters, mechanical and electrical analysis. 1. What is the...

16 September 2022 7,735 0 View

What's the difference between Crystalline Si and Amorphous Si in terms of as substrate?

In many cases, I could see only crystalline nature of Si or SiO2 are choose for wafer substrate applications in semiconductor processing. What is the major differences of both Crystalline and...

25 January 2022 6,407 4 View

Is possible to determine Squareness ratio & Anisotropy constant (K) when materials not attained saturation?

I have characterised magnetic materials with VSM. and determined SQR & K values. Is it possible to determine those values when materials not attained saturation from the M-H loop.? In the...

22 April 2021 1,404 4 View

How many digits are permitted in view of accuracy and precision for Crystallite size?

By using Scherrer's equation, I found the individual crystalline size of prepared samples calculated for corresponding peak position from the XRD pattern and taken averages for each sample. e.g:...

16 April 2021 1,540 3 View

What is the accuracy of XRD measurement? Is it really 0.01 nm?

I have used crystallographic diffraction measurement for my sample. What is the accuracy of XRD measurement? Is it really 0.01 nm? When stepping into speak about the accuracy, is it necessary to...

15 April 2021 4,552 6 View

How to form the Stoichiometry Equation for Multi-Metal oxide Perovskites ?

Dear Great Scholars from all over world, Here i comes up with a new problem on making Stoichiometric formation of Multi-Metal oxides together. I don't know how to make it. Some...

11 May 2016 1,084 5 View

How to find Dielectric (epsilon, ) constant from the Impedance (Z' Vs. Z") values. Is it possible ?

Hi Doctors & Great scholars, After finding some of myths from electrical, electronic and optical properties of nanomaterials, now i am facing difficulty in electrical...

08 May 2016 505 9 View

How the etchants are preferred in terms of etching process and why?

At instance, etching is achieved by the two familiar ways. Those are Isotropic and Anisotropic etching. In some cases, vertical etching also majorly attained, that too under direction dependent...

01 January 1970 2,639 4 View

Free Thermal Simulation Modeling software ?

Is there any Simulation software in free of cost either for heat spreader/absorber application studies?

01 January 1970 9,051 4 View