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New Methods To Generate 10-terabit-per-square-inch Arrays Of Nanoscopic Elements With Long-range Lateral Order

技术优势: Ultradense arrays: The self-assembly of block copolymers on the patterned substrates generates arrays of nanoscopic elements having areal densities in excess of 10 trillion bits per square inch, at least an order of magnitude over current capabilities.Long-range lateral order: The saw-tooth substrate topography provides directional guidance to the self-assembly of block copolymers, resulting in perfectly oriented and laterally ordered arrays of nanocylinders over arbitrarily large substrate surfaces.sign of flexible, solid-state storage media.High substrate versatility: Perfectly ordered ultradense arrays from block copolymers can be formed on both hard/non-flexible substrates and soft/flexible substrates for various end-use applications.Simple and environmentally friendly processes: The ?bottom-up? fabrication processes eliminate the use of environmentally unfriendly harsh chemicals required by lithographic techniques. All of the processing steps are non-disruptive and can be easily incorporated into the current production lines.Flexible surfaces: Addressable media is no longer restricted to perfectly rigid substrates, opening unique opportunities for the design of flexible, solid-state storage media.

技术应用: Ultrahigh-density addressable media, electronic devices, opto-electronic devices, photovoltaic devices

*Abstract: Researchers at the University of Massachusetts Amherst and the University of California at Berkeley have recently developed novel methods to produce block copolymer thin films containing near perfectly ordered arrays of nanoscopic elements on macroscopic non-flexible or flexible substrates. The long-range lateral order of the block copolymer nanoscopic elements is achieved by using substrates with saw-tooth patterns to guide the copolymer self-assembly. The block copolymer thin films produced using saw-tooth patterned substrates have areal densities of nanocylinders in excess of 10 terabits per square inch, and can be easily processed to generate templates with long-range lateral order of nanopores for a wide variety of commercial applications.

*Principal Investigation: Name: Dong Hyun Lee
Department:

Name: Soojin Park
Department:

Name: Thomas Russell
Department:

Name: Ting Xu
Department:

附加资料: Inventor: Thayumanavan, Sankaran | Klaikherd, Akamol | Ghosh, Suhrit
Priority Number: US8198368B2
IPC Current: C08F022804 | C08L005300
US Class: 525092J | 525088 | 525089 | 5253285 | 525535 | 525537
Assignee Applicant: University of Massachusetts,Boston
Title: Cleavable block copolymers, functionalized nanoporous thin films and related methods of preparation
Usefulness: Cleavable block copolymers, functionalized nanoporous thin films and related methods of preparation
Summary: Novel block copolymer compound is used for thin film and aqueous medium, and for transport and delivery of reactive and therapeutic agent into fluid medium. Can also be used for sensor, and fabrication of gold nano-structure, ultra high density memory storage medium, solar cell device and biocomposite material.
Novelty: Novel block copolymer compound used for thin film and aqueous medium, and for transport and delivery of reactive and therapeutic agent into fluid medium, and for sensor, and fabrication of gold nano-structure, solar cell device

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