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Surface patterning of glass via electrostatic imprinting using a platinum mold
Sung-Won Youn1, Hideki Takagi, Sang-Cheon Park
1Ubiquitous MEMS and Micro Engineering Research Center (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8564, Japan.
Journal of Nanoscience and Nanotechnology
|August 2, 2012
Summary
Electrostatic imprinting successfully patterned glass using thin platinum/nickel molds. This low-temperature, low-pressure method shows promise for large-area, high-efficiency glass fabrication without mold degradation.
Area of Science:
- Materials Science
- Nanotechnology
- Surface Engineering
Background:
- Electrostatic imprinting offers low-temperature, low-pressure patterning for large-area, high-efficiency glasses.
- Mold material selection is critical, requiring electrical conductivity, adhesion, and stability under high DC voltage bias.
Purpose of the Study:
- To evaluate the feasibility of thin Platinum/Nickel (Pt/Ni) molds in electrostatic imprinting.
- To investigate the effects of process parameters on replication fidelity and potential defects.
Main Methods:
- Fabrication of thin Pt/Ni molds using silicon micromachining and electroforming.
- Application of molds in the electrostatic imprint process for glass patterning.
Main Results:
- Successful pattern transfer to glass was achieved without significant mold degradation under investigated conditions.
- Analysis of process parameters revealed their impact on replication fidelity and defect formation.
Conclusions:
- Thin Pt/Ni molds are suitable for electrostatic imprinting of glass.
- The study provides insights into optimizing process parameters for high-fidelity glass patterning.
