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4D Rheoprinter for High Precision Material Customization of 3D-Printed Products

Lehigh Tech ID: LU-033017-01 Title: 4D Rheoprinter for High Precision Material Customization of 3D-Printed Products Lead Inventor: Professor John Coulter, Department of Mechanical Engineering & Mechanics Summary: Professor John Coulter from Mechanical Engineering & Mechanics has created a novel additive manufacturing technology allowing...

Published: 11/30/2021 | Inventor(s): John Coulter

Keywords(s):

Category(s): Engineering, Mechanical Systems, Materials Science

Circular Plasmonic Mach-Zehnder Interferometer

SUMMARY Lehigh University has developed a compact plasmonic Mach-Zehnder interferometer (MZI) integrated on a microfluidic chip for highly sensitive optical biosensing. This technique combines nanoplasmonic architecture and sensitive interferometric techniques on a compact sensing platform for enhanced refractive index sensitivity. The inventors have...

Published: 8/2/2021 | Inventor(s): Filbert Bartoli, Qiaoqiang Gan

Keywords(s):

Category(s): Engineering, Software and Computer

A New Antenna-feedback Scheme to Achieve Emission in a Narrow Beam from Metal-cavity Semiconductor Lasers

SUMMARY The invention is based on a distributed antenna-coupling (feedback) scheme and specially designed distributed feedback (DFB) metallic cavity grating. By ensuring the predesigned phase condition, the mode traveling inside the waveguide is coupled/phase-locked to the mode traveling outside on the top metal, hence establishing a standing-wave...

Published: 8/2/2021 | Inventor(s): Sushil Kumar, Chongzhao Wu

Keywords(s):

Category(s): Engineering, Materials and Nanotechnology

Comb-Tie Insulated Wall Panel Connector

SUMMARY Shear ties are used in the construction industry to ensure that the shear walls used in construction of light frame buildings can perform reliably at the rated loads. Currently used shear tie designs are lacking in several key performance areas and this invention seeks to improve the performance through a novel design method. The proposed...

Published: 6/1/2023 | Inventor(s): Clay Naito, Patrick Trasborg

Keywords(s):

Category(s): Engineering, Materials and Nanotechnology