Elastomer Surfaces with Directionally Dependent Adhesion Strength and Their Use in Transfer Printing with Continuous Roll-to-Roll Applications

In this paper we present mechanics and materials aspects of elastomeric stamps that have angled features of relief on their surfaces, designed to enable control of adhesion strength by peeling direction, in a way that can be exploited in schemes for deterministic assembly by transfer printing. Detai...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-04, Vol.24 (16), p.2117-2122
Main Authors: Yang, Sang Yoon, Carlson, Andrew, Cheng, Huanyu, Yu, Qingmin, Ahmed, Numair, Wu, Jian, Kim, Seok, Sitti, Metin, Ferreira, Placid M., Huang, Yonggang, Rogers, John A.
Format: Article
Language:English
Subjects:
Adhesion
Adhesive strength
Adhesives - chemistry
angled relief structure
Assembly
Continuous rolling
cylindrical stamp
direction-dependent adhesion
Elastomers
Elastomers - chemistry
Printing - methods
Rollers
Strength
Surface Properties
Transfer printing
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Summary:In this paper we present mechanics and materials aspects of elastomeric stamps that have angled features of relief on their surfaces, designed to enable control of adhesion strength by peeling direction, in a way that can be exploited in schemes for deterministic assembly by transfer printing. Detailed mechanics models capture the essential physics of interface adhesion in this system. Experiments with cylindrical stamps that have this design demonstrate their potential for use in a continuous, roller mode of operation.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201104975