29 Questions 27 Answers 0 Followers
Questions related from Vemuri Sri Ranga Sai Praveen Kumar
Dear friends, I am looking to develop a new project for the applications of displays using float glass. How and what process is needed to develop such flat panel displays what are the ideas and...
10 May 2024 3,345 0 View
Dear ResearchGate colleagues, professors, and scientists, I'm encountering challenges with coated thin films produced using a sputtering system. Following treatment through tempering at 650...
12 February 2024 3,910 4 View
I am looking to deposit a single-layer titanium nitride layer with a sheet resistance of approximately 60 ohms and a layer of TiNx (x value should be in the range of 0.8 to 1.2). The developed...
23 October 2023 7,648 4 View
Dear all friends of research gate, I want to understand how to calculate the sheet resistance theoretically for the developed layer stack design on a glass substrate for my research paper....
20 January 2023 1,818 4 View
Dear all my friends and professors I want to develop an optimization tool in excel software for my research work in optical thin film coatings for single-layer analysis in sputtering or electron...
29 July 2022 3,676 1 View
Dear all members, I am facing an issue in the production of thin-film coatings by large area sputtering coating chambers. The problem is that during the production coating runs and in the...
03 April 2021 4,495 1 View
Dear friends, I am facing a problem with an issue of milky Haze in the coatings developed for aesthetic applications. All the layers were deposited by magnetron sputtering having thickness in...
09 November 2020 3,131 3 View
Dear friends of the research community, I am having an issue with double-layer low emissive coating fabrication. the coating of silver layer is not been adhere to the glass surface in this...
05 August 2020 7,987 3 View
Hi friends, research scholar, professors, Can anyone help in the design of coatings for architectural glass which is used for buildings?
23 July 2020 1,460 3 View
Hello every one, In the development of optical coatings and optical filters for high and low reflection coatings. The developed filter generates side harmonics or oscillations outside the stop...
19 August 2019 9,136 2 View
Dear all members, According to me. •To deposit coatings in the vacuum evaporation, the deposit should follow a specified thickness distribution over the substrate surface, i.e. it may need to...
19 August 2019 3,544 0 View
Hello every one, I feel the absorption in the coating films in physical vapor deposition refers to various following factors 1) in proper maintenance of the coating chamber 2) variation in the...
11 August 2019 8,266 3 View
please explain how the parallel momentum is important in glancing angle deposition techniques for developing columnar growth process
11 August 2019 6,238 1 View
Dear friends, I am searching for reduction of corrosion in copper utensils which we use in household purpose.
28 December 2017 3,379 5 View
Hi friends, Recently we have deposited a multilayer stack using materials like TiO2, HfO2 combination and TiO2, Y2O3 combination. both combination of stacks were deposited by electron beam...
03 August 2016 1,681 2 View
Dear all friends, I am having a doubt in the following cases of coatings fabricate on 1) multi layer stack coated on flat glass substrate and cemented each other with another flat substrate ,...
03 August 2016 358 1 View
Hello every one, I am Vemuri SRS Praveen Kumar working as Senior Project Fellow in CSIR-CSIO. Recently we have deposited a multilayer optical coatings on SK2 substrate with materials of Tio2 and...
13 July 2016 9,135 2 View
Dear friends, sir, mam i have fabricated graded filters on glass substrate with 180*150 mm. in different title angle positions. i measured the reflection of each filter. i observed that with...
17 April 2016 7,111 4 View
can any one explain what is the reason behind the peak amplitude decreases after cementing the both hexagonal prisms?
21 March 2016 9,271 1 View
measured reflectance peak amplitude decreased, with compared to modeled spectra?
21 March 2016 10,023 3 View
Hi friends, i am facing problem in the fabrication of dichroic beam splitter, after cementing the two hexagonal prisms the peak shift is happening around 200 nm from the desired peak...
11 March 2016 9,704 14 View
The basic reason behind the harmonics generation is due to the mismatch of the refractive index variation of the coated film and substrate material. but what is physics behind for the generation...
23 July 2015 2,532 5 View
Thin film optics
29 January 2015 1,861 2 View
generation of ripples or harmonics in the interface of the coating.
15 January 2015 2,671 3 View
Dear sir, I am Vemuri srs Praveen Kumar. as the simulation studies for the solar cells may have antireflection coatings. how these antireflection coatings were simulated and which software...
01 January 1970 273 8 View
Dear all members, I am focusing on some developments in Aesthetic large area coatings for applications in fields of solar control, architectural, automotive, and window applications. In general,...
01 January 1970 6,467 4 View
Dear all, I am interested to know the methods and detailed analysis of X-ray fluorescence spectroscopy. In general, from the XRF spectra, one can evaluate the elemental and chemical analysis of...
01 January 1970 4,461 2 View
Dear all my friends, scientists, and researchers I am interested to understand the resolve basic facts of humidity problems that are raised in the development of thin film-based sensors coatings,...
01 January 1970 3,823 0 View
Dear all, I am looking to develop the back surface coating mirrors for decorative and automobile applications. In general, the development of mirrors can be possible with two-way front surface...
01 January 1970 8,204 1 View
