UV patterning of polyimide: differentiation and characterization of surface chemistry and structure

Polyimides are representatives of high-performance polymers. One member of the family (PI-2730 series) has found application as a photodefinable negative resist, allowing the surface chemistry to be altered through UV exposure. The evolution in lateral differentiation arising from masking and subseq...

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Bibliographic Details
Published in:Applied surface science 2004-07, Vol.235 (1), p.164-169
Main Authors: Blach-Watson, J.A., Watson, G.S., Brown, C.L., Myhra, S.
Format: Article
Language:English
Subjects:
AFM characterization
Bio-adhesion
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Friction
Physics
Polyimide
Surface patterning
UV irradiation
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Summary:Polyimides are representatives of high-performance polymers. One member of the family (PI-2730 series) has found application as a photodefinable negative resist, allowing the surface chemistry to be altered through UV exposure. The evolution in lateral differentiation arising from masking and subsequent exposure has been investigated. Analysis showed that exposure resulted in increasing hydrophilicity, as well as shrinkage of the exposed areas. A particular focus of the study has been on the effect of lateral chemical differentiation on selective adsorption of functionalised beads, and on arrays of precipitate structures.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2004.05.179