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Displaying: 81 - 90 of 103 Results
Ice lithography for high resolution electron beam processing of fragile substrates
Electron beam lithography is a staple of microfabrication processes. The dominant practice, developed for silicon etching, first uses an organic photoresist to coat the substrate and then writes a desired pattern. However, this process can damage or…
Investigators
- Daniel Branton
- Jene Golovchenko
- Anpan Han
2D Dirac-Cone Metamaterials
Metamaterials are synthetic composite materials that exhibit properties not found in natural materials. This invention describes the fabrication of Dirac-cone metamaterials, with potential applications in a number of promising areas, including…
Investigators
- Eric Mazur
- Marko Loncar
- Yang Li
- Shota Kita
- Philip Munoz
- Daryl Vulis
Highly conformal tungsten nitride films for use in microelectronics and semiconductors
The invention describes a method of producing a uniform, smooth and conformal coating of tungsten nitride, synthesized by atomic layer deposition (ALD). The silver-colored coating (or film) is metallic and a good electrical conductor.
DBD
- Christopher Petty
Investigators
- Roy Gordon
- Jill Becker
- Seigi Suh
Electrically-driven nanoscale lasers
This invention is the first demonstration of an electrically driven nanoscale laser. A CdS nanowire, comprising a Fabry-Perot cavity, in contact with an electrode distributed along its length or crossing a Si nanowire, lases above a threshold…
DBD
- Christopher Petty
Investigators
- Charles Lieber
- Xiangfeng Duan
- Yu Huang
- Ritesh Agarwal
Asynchronous circuit techniques for memory error correction
This invention describes a circuit technique for rapidly and efficiently correcting for read and write data errors in a digital semiconductor memory. More specifically, it involves the design of an error-correcting circuit (ECC) as applied to high…
DBD
- Sam Liss
Investigators
- Woodward Yang
- Elaine Ou
A self-sustained soliton oscillator utilizing nonlinear transmission lines and spectrum-preservice nonlinear amplification
The invention describes new methods and apparatus for implementing stable self-starting and self-sustaining electrical nonlinear pulse (e.g., soliton, cnoidal wave, or quasi-soliton) oscillators. In one embodiment, a nonlinear pulse oscillator is…
DBD
- Sam Liss
Investigators
- Donhee Ham
- David Ricketts
- Xiaofeng Li
- Matthew DePetro
Beyond Moore's Law in opto-electronics: New material enables ultra-fast switching
VO2 is a material known for having a number of outstanding properties that allow it to meet or exceed those of current silicon-based opto-electronics. It is capable of ultrafast switching, low leakage, and is scalable to size-scales smaller than…
DBD
- Sam Liss
Investigators
- Shriram Ramanathan
- Dmitry Ruzmetov
- Venkatesh Narayanamurti
- Changhyun Ko
A to D converter data calibration in real-time delivers faster conversion rates
The new digital data calibration technique allows any pipeline ADC to operate at a speed about 2 bits faster than currently available ADCs. For example, an 8-bit ADC could potentially run at 12 bits, compared to only the 10 bits maximum that might…
DBD
- Sam Liss
Investigators
- Donhee Ham
- Nan Sun
Voltage emergency prediction: Signature-based approach to reducing voltage emergencies
To reduce the gap between nominal and worst-case operating voltages, Harvard researchers have developed a “voltage emergency predictor” that identifies when emergencies are imminent and prevents their occurrence. A voltage emergency predictor…
DBD
- Sam Liss
Investigators
- Gu-Yeon Wei
- David Brooks
- Michael Smith
- Glenn Holloway
- Meeta Gupta
- Vijay Reddi
Improved performance of copper interconnects
Copper (Cu) is now the preferred material for interconnections in ICs because it conducts better and lasts longer than aluminum. However, there are well-known problems with copper interconnects. Copper tends to migrate out of the wiring, degrading…
DBD
- Christopher Petty
Investigators
- Roy Gordon
- Yeung Au
- Youbo Lin
- Harish Bhandari