Wrinkle Formation and Imprinting of Gold Film Deposited on Polydimethylsiloxane
Bi-axial tensile stress was applied on a polydimethylsiloxane film and mounted on a PMMA plate surface. Then, the film’s tensile strain was fixed and the gold film was sputtered onto the surface. A wrinkle pattern was found during the release of tensile strain because of the friction effect between the PMMA plate and a polydimethylsiloxane film. A nickel stamp with a wrinkle structure fabricated using electroforming process and the polymeric wrinkle structure can be replicated successfully by electroforming and by imprinting process.
Z. C. Chang et al., "Wrinkle Formation and Imprinting of Gold Film Deposited on Polydimethylsiloxane", Applied Mechanics and Materials, Vols. 130-134, pp. 1031-1034, 2012