Method and system for transfer printing of films

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12167541
APP PUB NO 20230051993A1
SERIAL NO

17793910

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Abstract

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The capillary transfer technology presented here represents a powerful approach to transfer soft films from surface of liquid onto a solid substrate in a fast and defect-free manner. The fundamental theoretical model and transfer criteria validated with comprehensive experiments and finite element analyses, for the first time provides a quantitative guide and optimization for the choice of material systems, operating conditions and environments for scalable on-demand transfers with high yield. The intrinsically moderate capillary transfer force and externally selectable transfer direction offer robust capabilities for achieving deterministic assembly and surface properties of structures with complex layouts and patterns for potentially broad applications in the fabrication of flexible/stretchable electronics, surface wetting structures and optical devices. Integration of this technology with other advanced manufacturing technologies associated with material self-assembly, growth and layout alignment represents promising future topics and would help create emerging new manufacturing technologies that leverage unique fluidity of liquid environments.

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Patent Owner(s)

  • UNIVERSITY OF VIRGINIA PATENT FOUNDATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Xu, Baoxing Charlottesville, US 2 1
Zhang, Yue Philadelphia, US 291 1641

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