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Projected Beam Pen Lithography for Benchtop High Resolution Maskless Photolithography of Large Areas
NU 2012-090
INVENTORS
Chad Mirkin (Northwestern University, Department of Chemistry)*
Keith Brown
Shu He
Guoliang Liu
Xing Liao
Wooyoung Shim
Abrin Schmucker
SHORT DESCRIPTION
This lithography system uses a projected beam pen method to directly pattern surfaces. It produces sub-100nm features quickly without the need for expensive masks.
BACKGROUND
Current...
Published: 11/11/2025
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Inventor(s):
Keywords(s): Lithography, Nanomaterials, Nanotechnology, Research tool
Category(s): Life Sciences > Biomarkers & Biomedical Research Tools
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Electrochemical Polymer Pen Lithography for High-Throughput Nano/Micro-Patterning
NU 2020-243
INVENTORS
Chad Mirkin*
Eun Bi Oh
Rustin Golnabi
David Walker
SHORT DESCRIPTION
Electrochemical Polymer Pen Lithography (ePPL) is a novel lithographic technique that enables high-throughput nano- to micro-scale patterning of metallic inks using a hydrogel pen array integrated into a three-electrode cell.
BACKGROUND
...
Published: 11/6/2025
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Inventor(s):
Keywords(s): 3D Printing/Additive Manufacturing, Devices, Engineering, Lithography, Research tool
Category(s): Physical Sciences > Materials and Industrial Processes
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Programmable Soft Lithography: Solvent-Assisted Nanoscale Embossing
NU 2010-046
Inventors
Mark Huntington
Min Hyung Lee
Teri Odom*
Wei Zhou
Abstract
Molding at the nanoscale has driven the production of high-density optical and magnetic storage media, organic light-emitting diodes, polymer photovoltaic cells, and field-effect transistors. While rigid molds may be used to imprint soft and semi-hard materials...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Lithography, Materials, Nanotechnology
Category(s): Physical Sciences > Materials and Industrial Processes
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High-Throughput Imaging of Graphene Based Sheets by Fluorescence Quenching Microscopy
NU 2009-099
Inventors
Laura Cote
Jiaxing Huang*
Franklin Kim
Jaemyung Kim
Short Description
Method for visualizing graphene without special substrates
Abstract
Graphene based sheets have stimulated great interest due to their superior mechanical, electrical and thermal properties. A general visualization method has been developed that...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Graphene, Lithography, Materials, Microscopy
Category(s): Physical Sciences > Materials and Industrial Processes
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Additive Manufacturing of Inverse-Designed Devices Control Electromagnetic Radiation
NU 2017-060 Inventors Alan Sahakian* Koray Aydin Francois Calleaert Short Description A platform that combines an inverse electromagnetic design computational method with additive manufacturing to design and fabricate all-dielectric metadevices. Background Building miniature optical devices is desirable for creating ultra sensing devices with excellent...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Engineering, Instrumentation, Lithography, Manufacturing/Processing, Thin film
Category(s): Physical Sciences > Engineering & Technology
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A Novel Heterostructure of MoS2 shell-encapsulated Au Nanoparticle for Enhanced Optics and Optoelectronics
NU 2016-078 InventorsVinayak Dravid* Yuan Li Xinqi Chen Short DescriptionA modified chemical vapor deposition technique that directly encapsulates MoS2 on gold nanoparticles as novel heterostructuresAbstractMolybdenum disulfide (MoS2)/Gold (Au) hybrid structures have recently been gaining much attention for optimizing the performance of MoS2 in electronic...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Electronics & Circuits, Energy and Infrastructure, Engineering, Lithography, Manufacturing/Processing, Materials, Nanotechnology, Sensors
Category(s): Physical Sciences > Engineering & Technology, Physical Sciences > Materials and Industrial Processes
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Repurposing Blu-Ray Movie Discs As Low-Cost Templates For Photon Management
NU 2014-130 InventorsJiaxing Huang*Cheng SunChen WangAlexander Smith Short DescriptionA novel solar cell manufacturing process using repurposed Blu-ray discs AbstractNorthwestern researchers have developed a novel purpose for Blu-Ray Discs - photon management. Efficient absorption of light in solar cells or light emitting diodes (LEDs) is crucial for...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Electronics & Circuits, Engineering, Lithography, Manufacturing/Processing, Nanotechnology
Category(s): Physical Sciences > Engineering & Technology
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A Low-Cost, "Maskless" Photolithography Method
NU 2008-079InventorsHooman MohseniShort DescriptionA low-cost, "maskless" photolithography method to produce highly uniform arrays of nanopillars and nanoholes over a large area. AbstractThe invention uses a self-assembled, ordered monolayer of hexagonally close packed (HCP) micro-spheres as optical lenses to generate deep sub-wavelength regular...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Energy and Infrastructure, Lithography, Manufacturing/Processing, Materials, Nanotechnology
Category(s): Physical Sciences > Materials and Industrial Processes
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