Effects of impact inertia and surface characteristics on deposited polymer droplets in microcavities

Journal of Microelectromechanical Systems

Volumn 17, Issue 2, 2008, Pages 278-287

  Liou, Tong Miin ^a   Chan, Chia Yen ^a   Fu, Chien Chung ^a   Shih, Kuan Cheng ^a  

^a NATIONAL TSING HUA UNIVERSITY   (Taiwan)

Author keywords

Computational fluid dynamics (CFD); Contact angle; Droplet deposition; Microfabricated cavity; Microflow visualization ( FV); Weber number

Indexed keywords

CFD CODES; CRITICAL IMPACT VELOCITIES; DEPOSITION PROCESS; DROPLET DEPOSITION; DROPLET IMPACTS; DROPLET/AIR INTERFACES; FILM CHARACTERISTICS; FLAT FILMS; MICROFABRICATED CAVITY; PIEZOELECTRIC INK JETS; POLYMER DROPLETS; PRINT HEADS; SIDE WALLS; SINGLE POLIES; SURFACE CHARACTERISTICS; UNIFORM FILMS; WEBER NUMBER;

COMPUTATIONAL FLUID DYNAMICS; CONTACT ANGLE; FLUID DYNAMICS; MICROCAVITIES; MICROFABRICATION; VISUALIZATION;

DROP FORMATION;

EID: 58249105597     PISSN: 10577157     EISSN: None     Source Type: Journal    
DOI: 10.1109/JMEMS.2008.918385     Document Type: Article

References (32)

1. J. H. Burroughes, D. D. C. Bradley, A. R. Brown, R. N. Marks, K. MacKay, R. H. Friend, P. L. Burn, and A. B. Holmes, "Light-emitting diodes based on conjugated polymers," Nature (London), vol. 347, no. 6293, pp. 539-541, 1990.
2. D. Braun and A. J. Heeger, "Visible light emission from semiconducting polymer diodes," Appl. Phys. Lett., vol. 58, no. 18, pp. 1982-1984, May 1991.
3. T. R. Hebner, C. C. Wu, D. Marcy, M. H. Lu, and J. C. Sturm, "Inkjet printing of doped polymers for organic light emitting devices," Appl. Phys. Lett., vol. 72, no. 5, pp. 519-521, Feb. 1998.
4. S. C. Chang, J. Bharathan, and Y. Yang, "Dual-color polymer light-emitting pixels processed by hybrid inkjet printing," Appl. Phys. Lett., vol. 73, no. 18, pp. 2561-2563, Nov. 1998.
5. D. J. Hayes, D. B. Wallace, and W. R. Cox, "MicroJet printing of solder and polymers for multi-chip modules and chip-scale packages," in Proc. IMAPS Int. Conf. High Density Packag. MCMs, 1999, pp. 242-247.
6. Y. Yang, S. C. Chang, J. Bharathan, and J. Liu, "Organic/polymeric electro-luminescent devices processed by hybrid ink-jet printing," J. Mater. Sci.: Mater. Electron., vol. 11, no. 2, pp. 89-96, Mar. 2000.
7. C. Edwards and D. Albertalli, "Application of polymer LED materials using piezo ink-jet printing," in Proc. SID Dig., 2001, pp. 1049-1051.
8. S. B. Fuller, E. J. Wilhelm, and J. M. Jacobson, "Ink-jet printed nanoparticle microelectromechanical systems," J. Microelectromech. Syst., vol. 11, no. 1, pp. 54-60, Feb. 2002.
9. H. Antoniadis, H. Curtis, R. L. Moon, D. B. Roitman, and J. R. Sheats, "Method and apparatus for fabricating polymer-based electroluminescent displays," U.S. Patent 6 582 756, Jun. 24, 2003.
10. R. Bennett, C. Edwards, J. Lee, and K. Silz, "Precision industrial ink jet printing technology for full color PLED display and TFT-LCD manufacturing," Litrex Corp., Pleasanton, CA, 2003. Tech. Rep.
11. S. Yamazaki, K. Yamamoto, and Y. Arai, "Electro-optical device and manufacturing method thereof," U.S. Patent 6 830 494, Dec. 14, 2004.
12. R. Bennett and D. Albertalli, "Use of industrial inkjet printing in flat panel displays," Litrex Corp., Pleasanton, CA, 2005. Tech. Rep.
13. R. Gupta, "Post processing of films to improve film quality," U. S. Patent 2005/0276910, Dec. 15, 2005.
14. P. C. Duineveld, M. M. J. Decre, and G. Nisato, "Electroluminescent display panel," U. S. Patent 2007/0063640, Mar. 22, 2007.
15. G. Yu, G. Srdanov, M. Stainer, J. G. Innocenzo, and R. G. Sun, "Methods for producing full-color organic electroluminescent devices," U. S. Patent 7 226 799, Jun. 5, 2007.
16. C. Adachi, M. A. Baldo, S. R. Forrest, S. Lamansky, M. E. Thompson, and R. C. Kwong, "High-efficiency red electrophosphorescence devices," Appl. Phys. Lett., vol. 78, no. 11, pp. 1622-1624, Mar. 2001.
17. R. J. Holmes, S. R. Forrest, Y. J. Tung, R. C. Kwong, J. J. Brown, S. Garon, and M. E. Thompson, "Blue organic electrophosphorescence using exothermic host-guest energy transfer," Appl. Phys. Lett., vol. 82, no. 15, pp. 2422-2424, Apr. 2003.
18. M. B. Wolk, P. F. Baude, F. B. McCormick, and Y. Hsu, "Thermal transfer element and process for forming organic electroluminescent devices," U. S. Patent 6 194 119, Feb. 27, 2001.
19. M. Hanaguchi and K. Yoshino, "Color-variable electroluminescence from multilayer polymer films," Appl. Phys. Lett., vol. 69, no. 2, pp. 143-145, Jul. 1996.
20. Y. Z. Wang, D. D. Gebler, D. K. Fu, T. M. Swager, and A. J. Epstein, "Color variable bipolar/ac light-emitting devices based on conjugated polymers," Appl. Phys. Lett., vol. 70, no. 24, pp. 3215-3217, Jun. 1997.
21. Y. Z. Wang, D. D. Gebler, D. J. Spry, D. K. Fu, M. Swager, G. MacDiarmid, and J. Epstein, "Novel light-emitting devices based on pyridine-containing conjugated polymers," IEEE Trans. Electron Devices, vol. 44, no. 8, pp. 1263-1267, Aug. 1997.
22. Y. Z. Wang, R. G. Sun, D. K. Wang, T. M. Swager, and A. J. Epstein, "Polarity- and voltage-controlled color-variable light-emitting devices based on conjugated polymers," Appl. Phys. Lett., vol. 74, no. 18, pp. 2593-2595, May 1999.
23. Y. Z. Wang, R. G. Sun, F. Meghdadi, G. Leising, and A. J. Epstein, "Multicolor multilayer light-emitting devices based on pyridine-containing conjugated polymers and para-sexiphenyl oligomer," Appl. Phys. Lett., vol. 74, no. 24, pp. 3613-3615, Jun. 1999.
24. R. G. Sun, Y. Z. Wang, D. K. Wang, Q. B. Zheng, E. M. Kyllo, T. L. Gustafson, and A. J. Epstein, "High luminescent efficiency in light-emitting polymers due to effective exaction confinement," Appl. Phys. Lett., vol. 76, no. 5, pp. 634-636, Jan. 2000.
25. A. Frohn and N. Roth, Dynamics of Droplets. New York: Springer-Verlag, 2000.
26. C. Fu and H. Huang, "Different methods for the fabrication of UV-LIGA molds using SU-8 with tapered de-molding angles," Microsyst. Technol., vol. 13, no. 3/4, pp. 293-298, Feb. 2007.
27. J. U. Brackbill, D. B. Kothe, and C. Zemach, "A continuum method for modeling surface tension," J. Comput. Phys., vol. 100, no. 2, pp. 335-354, Jun. 1992.
28. S. Muzaferija, "Adaptive finite volume method for flow prediction using unstructured meshes and multigrid approach," Ph.D. dissertation, Univ. London, London, U.K., 1994.
29. P. K. Khosla and S. G. Rubin, "A diagonally dominant second-order accurate implicit scheme," Comput. Fluids, vol. 2, no. 2, pp. 207-209, Aug. 1974.
30. S. Muzaferija and M. Perić, Computation of free-surface flows using interface-tracking and interface-capturing methods. Nonlinear water wave interaction. Southampton, U.K.: Comput. Mech. Publication, 1998.
31. M. Perić and J. H. Ferziger, Computational Methods for Fluid Dynamic. New York: Springer-Verlag, 1996.
32. S. V. Pantankar, Numerical Heat Transfer and Fluid Flow. Bristol, PA: Hemisphere, 1980.