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129 Results for 'Semiconductors & Integrated Circuits'
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Technology
Electroplated Helical Slow-Wave Structures For High Frequency Signals
Traveling-wave tube amplifiers and methods for making slow-wave structures for the amplifiers are provided. The SWSs include helical conductors that are self-assembled via the release of stressed elec...
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Max Lagally, Matthew Dwyer, Daniel van der Weide, Abhishek Bhat, Francesca Cavallo, Divya Prakash | P200232US01
Technology
Seeded Solid-Phase Crystallization Of Transparent Conducting Vanadate Perovskites
Transparent, electrically conductive vanadium oxide-based perovskite films and methods of making the vanadium oxide-based perovskite films are provided. Transparent conducting vanadate perovskites are...
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Paul Evans, Thomas Kuech, Donald Savage, Yajin Chen, Samuel Marks | P190259US02
Technology
Semiconductor Quantum Dot Computer-Aided Engineering (CAE) Simulation Tool
With the continued development of semiconductor technology, it is now possible to fabricate nano-scale material structures called Quantum Dots (QDs). The properties of QDs have earned them the charac...
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Wei Li, Samuel Belling, Heather Cihak | T180055US02
Technology
Nitride Based Light-Emitting Diodes with Reduced Efficiency Droop
Blue and UV light-emitting diodes (LEDs) are key to modern, energy-saving lighting and are used in a range of applications including efficient home, farm and building lighting, high-speed networking, ...
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Zhenqiang Ma, Dong Liu | P180227US01
Technology
Vanadium Dioxide Design Solution for Ultrafast Switches
The unique properties of vanadium dioxide (VO2) mean it could one day outperform silicon and enable next-generation, ultralow-power devices. A key advantage of this material is that above 341 kelvin �...
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Chang-Beom Eom, Daesu Lee | P170254US01
Technology
Next-Generation Electronics: Realizing 2-D Hole Gas in Oxide Materials
The discovery of two-dimensionally confined charge carriers has opened an exciting field of new research and various device applications. In particular, two-dimensional electron gas (2DEG) is used in ...
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Chang-Beom Eom, Hyungwoo Lee | P170256US01
Technology
Carbon Nanotube Vacuum Field Emission Transistor Design for Large-Scale Manufacturing
Most present-day electronics are made with solid-state transistors constructed of semiconducting materials, such as silicon. This solid-state technology largely replaced the prior use of vacuum tubes ...
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Charles Nelson, Harold Evensen | T170007US02
Technology
Hybrid Heterostructure Light-Emitting Devices
Conventional light-emitting diodes (LEDs) are made of an upper ‘p-type’ layer, a middle ‘intrinsic region’ and a bottom ‘n-type’ layer. Such layered structures are called PIN diodes. Curre...
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Zhenqiang Ma, Jung-Hun Seo | P140343US01
Technology
Antenna-Based Power Generation with Nanoscale Rectifying Elements
“Rectennas” are antennas that can receive radio signals and rectify them to generate electrical power for wireless power transfer. Potential applications for rectennas range from large-sca...
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Robert Blick, Chulki Kim, Jonghoo Park | P100171US01
Technology
Large-Area, Nanoperforated Graphene Materials for Semiconducting Applications
Recently, interest and research in graphene has grown rapidly due to its outstanding electrical properties. Graphene, a two-dimensional carbon-based material, has high tensile strength, stiffness, opt...
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Michael Arnold, Padma Gopalan, Myungwoong Kim, Nathaniel Safron | P100012US02
Technology
New Method for Direct Patterning in Block Copolymer Lithography
Most microelectronic devices are fabricated using top-down processes such as photolithography. Current top-down processes face growing limitations as the demand for smaller scale applications increase...
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Padma Gopalan, Eungnak Han | P100296US02
Technology
Vertical Cavity Light Sources Based on Stacked Membranes
Improvements in technologies such as cell phones, laptops and small digital electronics are the result of the increasing capability of electronics and photonics. However, there is a continuing need fo...
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Zhenqiang Ma, Weidong Zhou | P08398US
Technology
Epitaxial Growth Of High Quality Vanadium Dioxide Films With Template Engineering
The unique properties of vanadium dioxide (VO2) lend it to a variety of applications in materials physics and solid-state electronics. Namely it exhibits a sharp metal-insulator transition (MIT) above...
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Chang-Beom Eom, Daesu Lee | P160069US01
Technology
Superior Nanotube Film for High Performance Field Effect Transistors
Single-walled carbon nanotubes (SWCNTs) are key building blocks for nanoscale technologies given their interesting physical and chemical properties. SWCNTs are especially promising for high speed and ...
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Michael Arnold, Padma Gopalan, Gerald Brady, Yongho Joo | P140200US01
Technology
Block Copolymers for Sub-10 Nanometer Lithography
Block copolymer (BCP) lithography is one of the most powerful technologies of the digital electronics era, allowing millions of nanoscale components to be fabricated on a single chip.
BCPs are made o...
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Padma Gopalan, Xiang Yu, Myungwoong Kim, Daniel Sweat | P140025US01
Technology
Stretchable Transistors Using Carbon Nanotube Film
Stretchable electronics have many potential applications such as implantable biosensors, wearable devices and flexible displays. Yet critical components like transistors are still based on silicon. Ef...
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Michael Arnold, Feng Xu | P130386US01
Technology
Flexible MOSFET Phototransistors Maximize Light Sensing
Photodetectors convert light signals into electrical signals and are indispensible components in most optoelectronic applications. These devices comprise various designs and materials. In recent years...
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Zhenqiang Ma, Jung-Hun Seo | P160090US01
Technology
Single-Crystal Halide Perovskite Nanowires with Superior Performance
Semiconductor nanowire lasers are promising building blocks in state-of-the-art photonic and optoelectronic devices due to their advantageous properties – including ultracompact size, efficient wave...
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Song Jin, Yongping Fu, Fei Meng | P160053US01
Technology
All-Glass Optical Microresonator for Single Molecule Spectroscopy and More
Label-free sensing methods could enable detection and characterization of chemical species at the single molecule level without the aid of probes or modifications to the target of interest. Such capab...
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Randall Goldsmith, Kassandra Knapper, Kevin Heylman | P150382US01
Technology
New Biodegradable Integrated Circuits Signal the Future of E-Waste Management
Electronic waste management remains an ongoing challenge both domestically and abroad. Scrap components of electronics such as computers, cellphones and refrigerators contain high amounts of heavy met...
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Zhenqiang Ma, Yei Hwan Jung, Shaoqin Gong, Tzu-Hsuan Chang | P150290US01
Technology
Boron-Doped Diamond for Next Generation Power Electronics
Diamond is considered a good material candidate for power electronics, offering reliability, low weight and power switching efficiency. Single-crystalline diamond (SCD) has the best overall properties...
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Zhenqiang Ma, Jung-Hun Seo | P140384US01
Technology
Graphene Nanoribbons with Ultrasmooth Edges
Graphene is atomically thin carbon film with unrivaled high tech potential. One of the strongest and most conductive materials known, it is stronger than diamond but capable of bending like rubber and...
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Michael Arnold, Robert Jacobberger | P140329US01
Technology
Methods For Removing Polymer Coatings From Single-Walled Carbon Nanotubes
Single-walled carbon nanotubes (SWCNTs) have exceptional properties that make them useful in a variety of semiconducting applications such as field effect transistors (FETs), solar cells and gas senso...
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Padma Gopalan, Michael Arnold, Yongho Joo, Gerald Brady, Matthew Shea | P150061US01
Technology
Improved High-Power Transistor Amplifier for Wireless Communications
The demand for smaller wireless communication devices that use less power is growing. In particular, radio frequency identification (RFID) systems require small, low-power transmitters to label or &ld...
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Zhenqiang Ma, Guogong Wang, Guoxuan Qin | P08017US
Technology
Improved Method for Density Multiplication and Lithography via Directed Block Copolymer Assembly
The creation and replication of nanoscale patterns is becoming increasingly important for the development of new electromechanical, chemical and biological devices at the micro- and nanoscale. F...
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Paul Nealey, Huiman Kang, Francois Detcheverry, Juan DePablo, Ricardo Ruiz, Thomas R. Albrecht | P09061US