tag: graphene

Power/Performance Bits: April 28
By Jesse Allen - 28 Apr, 2015 - Comments: 0

Printing graphene aerogels Lawrence Livermore National Laboratory researchers have made graphene aerogel microlattices with an engineered architecture via a 3D printing technique known as direct ink writing, potentially leading to better energy storage, sensors, and nanoelectronics. Aerogel is a synthetic porous, ultralight material derived from a gel, in which the liquid component of the... » read more

New Patterning Paradigm?
By Mark LaPedus - 16 Apr, 2015 - Comments: 0

Chip scaling is becoming more difficult at each process node, but the industry continues to find new and innovative ways to solve the problems at every turn. And so chipmakers continue to march down the various process nodes. But the question is for how much longer? In fact, at 16nm/14nm and beyond, chipmakers are finding new and different challenges, which, in turn, could slow IC scaling or br... » read more

System Bits: March 24
By Ann Mutschler - 24 Mar, 2015 - Comments: 0

A better band-aid UC Berkeley engineers are working on a bandage that can detect bedsores before they are visible - while recovery from them is still possible. Leveraging flexible electronics advancements, the researchers collaborated with colleagues at UC San Francisco to create their “smart bandage” that uses electrical currents to detect early tissue damage from pressure ulcers as th... » read more

System Bits: March 17
By Ann Mutschler - 17 Mar, 2015 - Comments: 0

Symmetry in graphene growth According to Rice University researchers, what lies beneath growing islands of graphene is important to its properties. The team analyzed patterns of graphene – a single-atom-thick sheet of carbon – grown in a furnace via chemical vapor deposition and discovered that the geometric relationship between graphene and the substrate, the underlying material on whi... » read more

System Bits: March 10
By Ann Mutschler - 10 Mar, 2015 - Comments: 0

Surviving entanglement breakdown Researchers at MIT have discovered that preserving the fragile quantum property known as entanglement isn’t necessary to reap benefits. By way of background, the MIT team reminded that the promise of quantum information processing, i.e., solving problems that classical computers can’t, as well as perfectly secure communication depends on a phenomenon cal... » read more

GaN Manufacturing Meets Big Silicon
By Michael Watts - 20 Feb, 2015 - Comments: 0

I have been talking about GaN on Silicon for several years because it offers a path to cost reduction in LED’s in the same way as silicon semiconductors. This year at Photonics West 2015, Aixtron presented its next generation 6-inch wafer system with all the automation that the semiconductor guys expect to be able to build GaN power transistors. The systems are configured as cluster tools... » read more

Manufacturing Bits: Feb. 10
By Mark LaPedus - 10 Feb, 2015 - Comments: 0

Deadweight machines The National Institute of Standards and Technology (NIST) is in the process of cleaning, restoring and recalibrating its 4.45-million Newton deadweight machine. NIST’s deadweight machine, the largest of its kind in the world, is equivalent to one million pounds-force. Built in 1965, the deadweight system consists of a stack of 20 stainless steel discs about three meter... » read more

System Bits: Feb. 3
By Ann Mutschler - 03 Feb, 2015 - Comments: 0

A viable silicon substitute A new study by UC Berkeley, the University of Pennsylvania and the University of Illinois at Urbana-Champaign (UIUC) moves graphene a step closer to knocking silicon off as the dominant workhorse of the electronics industry. They reminded that while silicon is ubiquitous in semiconductors and integrated circuits, researchers have been eyeing graphene, a one-atom... » read more

System Bits: Jan. 27
By Ann Mutschler - 27 Jan, 2015 - Comments: 0

Optimizing algorithms Optimization algorithms try to find the minimum values of mathematical functions, and are everywhere in engineering for such things as evaluating design tradeoffs, assessing control systems, finding patterns in data, among other things. A way to solve a difficult optimization problem is to first reduce it to a related but much simpler problem, then gradually add complexit... » read more

Wonder Material?
By Joanne Itow - 22 Jan, 2015 - Comments: 0

The fact that new materials continue to be discovered and introduced into innovative electronic devices is a major feat. Semico is analyzing the challenges of new product discovery, development and commercialization. Graphene is just one of the products under investigation. This write-up is taken from a full essay in this month’s Semico IPI report. Since 2004, when two scientists at Manch... » read more

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