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Instability and Patterning of Thin Polymer Films

IIT Kharagpur Course , Prof. Rabibrata Mukherjee       Subscribe to feed

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Lecture 31: Mod-01 Lec-31 Lecture-31-Spontaneous instability & Dewelting of Thin Polymer Film -- 1

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Lecture Details :

Instability & Patterning of Thin Polymer Films by Dr. Rabibrata Mukherjee,Department of Chemical Engineering,IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in

Course Description :

Contents:
General Introduction to Patterning; Lithography Techniques, Applications of Patterned thin films.
Classification of Patterning Techniques: Top Down, Bottom up, combined techniques; Serial vs. Parallel Techniques.
Soft Lithography: basics, key concepts, major techniques - Micro Contact Printing, Nano imprint Lithography, Hot Embossing, Replica Molding (REM), Micro Molding in Capillaries (MIMIC), Capillary Force Lithography (CFL), Polymer Bonding Lithography; Patterning of films coated on Curved Surfaces.
Soft Lithography for patterning of inorganic (sol-gel) thin films and Hydrogels.
Hydrodynamics of a free surface, Capillarity, Physical origin of Instability, Wetting and dewetting, Length Scales Analysis, Pattern Formation.
Ordered pattern formation by template guided and confined dewetting, Dewetting of Bilayers
Elastic Contact Instability: concepts, governing equations, Elastic contact Lithography, Pattern Miniaturization in Bilayers, Adhesive Force Assisted Imprinting.
Electric Filed and Thermal gradient induced patterning, Electrohydrodynamics, LISA (Lithographically Induced Self Assembly).
Stress Engineering.
Multi scale patterning.
Applications of Patterned Thin Films: Super Hydrophobic and Super Wetting Surfaces, Structural Color, Super Adhesives and Easy Release Coatings, Micro Fluidics etc.

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  1. Mod-01 Lec-01 Lecture-01-Introduction
  2. Mod-01 Lec-02 Lecture-02-Introduction (Contd.)
  3. Mod-01 Lec-03 Lecture-03-Some Fundamental Surface Related Concepts - I
  4. Mod-01 Lec-04 Lecture-04-Surface Tension (in terms of molecular interactions)
  5. Mod-01 Lec-05 Lecture-05-Effect Surface Tension: Laplace Pressure
  6. Mod-01 Lec-06 Lecture-06-Young Laplace Equation
  7. Mod-01 Lec-07 Lecture-07-Rayleigh Instability
  8. Mod-01 Lec-08 Lecture-08-Meso Scale Fabrication Approaches
  9. Mod-01 Lec-09 Lecture-09-Photo Lithography - I
  10. Mod-01 Lec-10 Lecture-10-Photo Lithography - II
  11. Mod-01 Lec-11 Lecture-11-Photo Lithography - III
  12. Mod-01 Lec-12 Lecture-12-Photo Lithography - IV
  13. Mod-01 Lec-13 Lecture-13-Photo Lithography - V
  14. Mod-01 Lec-14 Lecture-14-Nano Imprint Lithography
  15. Mod-01 Lec-15 Lecture-15-Nano Imprint Lithography (Contd.)
  16. Mod-01 Lec-16 Lecture-16-Soft Lithography - I
  17. Mod-01 Lec-17 Lecture-17-Soft Lithography - II
  18. Mod-01 Lec-18 Lecture-18-Soft Lithography - III
  19. Mod-01 Lec-19 Lecture-19-Soft Lithography - IV
  20. Mod-01 Lec-20 Soft Lithography - V
  21. Mod-01 Lec-21 Lecture-21-Soft Lithography - VI
  22. Mod-01 Lec-22 Atomic Force Microscope - 1
  23. Mod-01 Lec-23 Lecture-23-Atomic Force Microscope - 2
  24. Mod-01 Lec-24 Lecture-24-Atomic Force Microscope - 3
  25. Mod- 01 Lec-25 Lecture-25Atomic Force Microscope - 4
  26. Mod-01 Lec-26 Atomic Force Microscope -- 5
  27. Mod-01 Lec-27 Lecture-27-Intermolecular Forces between Particles and Surfaces - 1
  28. Mod-01 Lec-28 Lecture-28-Intermolecular Forces between Particles and Surfaces - 2
  29. Mod-01 Lec-29 Lecture-29-Intermolecular Forces between Particles and Surfaces - 3
  30. Mod-01 Lec-30 Lecture-30-Intermolecular Forces between Particles and Surfaces - 4
  31. Mod-01 Lec-31 Lecture-31-Spontaneous instability & Dewelting of Thin Polymer Film -- 1
  32. Mod-01 Lec-32 Lecture-32-Spontaneous instability & Dewelting of Thin Polymer Film -- 2
  33. Mod-01 Lec-33 Lecture-33-Spontaneous instability & Dewelting of Thin Polymer Film -- 3
  34. Mod-01 Lec-34 Lecture-34-Spontaneous instability & Dewelting of Thin Polymer Film -- 4
  35. Mod-01 Lec-35 Lecture-35-Spontaneous instability & Dewelting of Thin Polymer Film -- 4
  36. Mod-01 Lec-36 Lecture-36-Spontaneous instability & Dewelting of Thin Polymer Film -- 4
  37. Mod-01 Lec-37 Lecture-37-Spontaneous instability & Dewelting of Thin Polymer Film -- 7
  38. Mod-01 Lec-38 Lecture-38-Template Guided Dewelting
  39. Mod-01 Lec-39 Lecture-39-Elastic Contact Instability & Lithography
  40. Mod-01 Lec-40-Gradient Surface