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Development of Multifunctional Thin Film Based X-Ray Intensity Filters for Space-Based Payloads

  • K. Prajwal
  • Arjun DeyEmail author
  • Manju Sudhakar
  • Anuj Nandi
  • A. Carmel Mary Esther
  • N. Sridhara
  • B. Yougandar
  • Pradeep Kumar
  • S. B. Arya
  • A. Rajendra
Article
  • 31 Downloads

Abstract

We report the development, thorough characterizations and space worthiness studies of multifunctional aluminized film as x-ray intensity filter for space-based payloads, suitably designed to place in Sun–Earth Lagrangian (L1) point. The L1 point is the ideal location for uninterrupted observation of Sun to study the solar flares in hard x-rays. For our specific purpose, we make use of two different types of x-ray detectors (e.g., CdTe and CZT) which are generally used for hard x-ray studies in the energy band of 5 to 200 keV. Further, these aforesaid two detectors require specified thermal control characteristic for optimal performance. Aluminization of Kapton films is proposed which would satisfy the thermo-optical and x-ray transmission requirements of the proposed payload. The developed aluminized films are thoroughly studied by field emission scanning electron microscopy and atomic force microscopy techniques for micro-structural characteristic, x-ray diffraction for phase purity, nanoindentation for mechanical integrity at micro-structural length scale and spectrophotometer for thermo-optical properties. X-ray transmission test is carried out with two radioactive sources, namely 55Fe and 241Am, with various aluminized Kapton layer combinations. Finally, space worthiness of the aluminized Kapton films is examined by accelerated environments, e.g. humidity, thermal cycling and thermo-vacuum tests.

Keywords

aluminized Kapton nanoindentation reflectance space worthiness tests x-ray transmission test 

Notes

References

  1. 1.
    Preliminary Design Review Document of “High Energy L1 Orbiting X-Ray Spectrometer (HEL1OS)”, ISRO-ISAC-ADITYA-L1-RR-1342, ISRO-ISAC (ISRO-URSC), 2016Google Scholar
  2. 2.
    K. Sankarasubramanian, M. Sudhakar, A. Nandi, M.C. Ramadevi, A.A. Adoni, A. Kushwaha, A. Agarwal, A. Dey, B. Joshi, B. Singh, V. Girish, I. Tomar, K.K. Majhi, M. Kumar, M. Olekar, M. Bug, M.K. Pala, R.R. Thakur, B.T. Badagandi, S. Ravishankar, N. Garg, N. Sitaramamurthy, C.N. Sridhara, Vinod K. Umapathy, V.K. Gupta, V.K. Agrawal, and B. Yougandar, X-Ray Spectrometers on-Board Aditya-L1 for Solar Flare Studies, Curr. Sci., 2017, 113, p 625–627CrossRefGoogle Scholar
  3. 3.
    Y. Eisen and A. Shor, CdTe and CdZnTe Materials for Room-Temperature X-Ray and Gamma ray Detectors, J. Cryst. Growth, 1998, 184-185, p 1302–1312CrossRefGoogle Scholar
  4. 4.
    T. Takahashi and S. Watanabe, Recent Progress in CdTe and CdZnTe Detectors, IEEE Trans. Nucl. Sci., 2001, 48, p 950–959CrossRefGoogle Scholar
  5. 5.
    F.R. Powella, R.A.M. KeskiKuhab, M.V. Zombeckc, R.E. Goddard, G. Chartas, L.K. Towns1ey, E. Möbiuse, J.M. Davis and G.M. Mason, Metalized Polyimide Filters for X-Ray Astronomy and other Applications, Proceedings of SPIE, 1997, 3113,  https://doi.org/10.1117/12.278873
  6. 6.
    M. Baebera, A. Collura, A. Dara, M. Leone, S. Serio, S. Versico, F.R. Powella, and M.V. Zombeckc, Effects of Interference and Oxidation on the UV/Visible Rejection Properties of Filters for Soft X-Ray Detectors, Exp. Astron., 1997, 7, p 51–63CrossRefGoogle Scholar
  7. 7.
    A. T. Kenter, J. H. Chappel, K. Kobayashi, R. P. Kraft, G. R. Meehan, S. S. Murray and M. V. Zombeck, Performance and Calibration of the AXAF High Resolution Camera I: Imaging Readout, Proceedings of SPIE, 1997, 3114,  https://doi.org/10.1117/12.283777
  8. 8.
    G.D. Holman, Overview of Solar Flares, 2008, https://hesperia.gsfc.nasa.gov/hessi/flares.htm
  9. 9.
  10. 10.
    P. Mishra and D. Ghose, The Hardness Study of Oxygen Implanted Aluminum Thin Films, Surf. Coat. Technol., 2006, 201, p 965–970CrossRefGoogle Scholar
  11. 11.
    S. Chen, L. Liu, and T. Wang, Investigation of the Mechanical Properties of Thin Films by Nanoindentation, Considering the Effects of Thickness and Different Coating-Substrate Combinations, Surf. Coat. Technol., 2005, 191, p 25–32CrossRefGoogle Scholar
  12. 12.
    Y.Y. Lim, M.M. Chaudhri, and Y. Enomoto, Accurate Determination of the Mechanical Properties of Thin Aluminum Films Deposited on Sapphire Flats Using Nanoindentation, J. Mater. Res., 1999, 14, p 2314–2327CrossRefGoogle Scholar
  13. 13.
    S.C. Her and Y.H. Wang, Temperature Effect on Microstructure and Mechanical Properties of Aluminium Film Deposited on Glass Substrates, Indian J. Eng. Mater. Sci., 2015, 22, p 268–272Google Scholar
  14. 14.
    R. Saha and W.D. Nix, Effects of the Substrate on the Determination of Thin Film Mechanical Properties by Nanoindentation, Acta Mater., 2002, 50, p 23–38CrossRefGoogle Scholar
  15. 15.
    A.C.M. Esther, N. Sridhara, S.V. Sebastian, P. Bera, C. Anandan, D. Rangappa, A.K. Sharma, and A. Dey, Evaluation of Nanoalumina Coated Aermanium Black Polyimide Membrane as Sunshield for Application on the Communication Satellite Antenna, Ceram. Int., 2016, 42, p 2589–2598CrossRefGoogle Scholar

Copyright information

© ASM International 2019

Authors and Affiliations

  • K. Prajwal
    • 1
    • 2
  • Arjun Dey
    • 1
    Email author
  • Manju Sudhakar
    • 1
  • Anuj Nandi
    • 1
  • A. Carmel Mary Esther
    • 1
  • N. Sridhara
    • 1
  • B. Yougandar
    • 1
  • Pradeep Kumar
    • 1
  • S. B. Arya
    • 2
  • A. Rajendra
    • 1
  1. 1.U. R. Rao Satellite Centre (Formerly known as ‘ISRO Satellite Centre’), Indian Space Research OrganisationBangaloreIndia
  2. 2.Department of Metallurgical and Materials EngineeringNational Institute of Technology KarnatakaSurathkal, MangaloreIndia

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