Researchers of the Univ. of Stuttgart have achieved a new world record in coupling efficiency between optical fibers and integrated silicon waveguides. The breakthrough, which resulted in a coupling efficiency of 87%, was based on newly developed aperiodic grating coupler structures optimized at the nanoscale.
Researchers in Switzerland have designed prototype for an image sensor based on the semiconducting properties of molybdenite. Their sensor only has a single pixel, but it needs five times less light to trigger a charge transfer than the silicon-based sensors that are currently available.
Hospitals have fretted for years over how to make sure doctors, nurses and staff keep their hands clean, but with only limited success. Now, some are turning to technology—beepers, buzzers, lights and tracking systems that remind workers to sanitize, and chart those who don't.
More than 2,500 attendees turned out for the 2013 RAPID Conference and Exposition, almost doubling last year’s attendance and reflecting widespread excitement about 3D printing and additive manufacturing, according to event organizer SME. It included attendees from nearly 30 countries and the U.S.
Leaders of the National Science Foundation (NSF) and the Semiconductor Research Corporation (SRC), the world's leading university-research consortium for semiconductors and related technologies, this week announced 18 new projects funded through a joint initiative to address research challenges in the design of failure-resistant circuits and systems.
Researchers in Europe have developed a new experimental system to gain accurate information on mechanical values and properties of any microelectromechanical (MEMS) device through electrical measurement. The technique works by applying a current across the device with a varying frequency and analyzes the harmonic content of the output voltage of the component parts.
Unlike the building blocks of conventional hard disk drives and memories, resistive memory cells (ReRAM) are active electrochemical components. In these cells, ions generate voltage on electrodes in a similar manner to a battery. Researchers in Europe have conducted an extensive study of ReRAMs, also described as memristors, and have found previously undiscovered sources of voltage in these devices.
Technology used in downhole applications—such as geothermal or oil-well monitoring—must endure punishing conditions, from very high temperatures to tremendous pressures. Finding a solder material that can perform in these harsh environments is a constant challenge. Researchers have recently repurposed a solder alloy once intended defense applications that has all the right properties for well tasks.
After China reported quarterly economic growth of 7.7% this week, global markets reacted by falling, wiping out billions of dollars in stock. The reason? Growth came in under the 8% expected by forecasters. The plunge highlighted complaints about the possible inaccuracy of Beijing's official data and the intense, possibly excessive importance traders attach to a handful of Chinese economic indicators.
Researchers sponsored by Semiconductor Research Corporation (SRC) have developed a modeling process designed to simulate atomic-level etching with chemicals that are effective alternatives to widely used perfluorocarbon (PFC) gases. The novel approach will identify and evaluate green plasma chemistries for processing emerging memory/logic devices and through-silicon-via (TSV)-enabled technologies for the semiconductor industry.
MicroPower Direct has released the G200EI series, a family of compact 2W, EN 60950 approved DC/DC converters. These converters are specifically designed for board level power applications that require small size, robust operation, high input/output isolation levels and low cost.
ACCES I/O Products, Inc. has announced the release of a new family of PCI-104 serial communication boards—the 104I-COM-8SM Series. These PCI-104 boards feature a selection of 8, 4, or 2-ports of field selectable RS-232, RS-422, and RS-485 asynchronous serial protocols on a port by port basis.
Sensor and encoder manufacturer SICK has recently launched the AFS60 and AFM60 absolute encoders with Industrial Ethernet. These dual-port Industrial Ethernet encoders provide EtherNet/IP, PROFINET RT and EtherCAT connectivity.
A research team in Austria has developed an entirely new way of capturing images based on a flat, flexible, transparent, and potentially disposable polymer sheet. The new imager, which resembles a flexible plastic film, uses fluorescent particles to capture incoming light and channel a portion of it to an array of sensors framing the sheet. With no electronics or internal components, the imager’s elegant design makes it ideal for a new breed of imaging technologies.
The size of electronic components is reaching a physical limit. While 3D assembly can reduce bulk, the challenge is in manufacturing these complex electrical connections. Biologists and physicists in France have recently developed a system of self-assembled connections using actin filaments for 3D microelectronic structures. Once the actin filaments become conductors, they join the various components of a system together.
In Germany, a project called MEMS2015 is underway which has the ultimate goal of developing the first-ever universal design methodology for microelectromechanical systems, or MEMS. The effort, a joint government and industry project coordinated by the Robert Bosch corporation, will improve sensors and actuators, and plug the gaps between electronics and mechanics design, manufacturing, and subsequent integration into products.
Existing optical beamsteering assemblies for technologies like LADAR, which scans a field of view with a laser to determine distance, are typically mechnical, bulky, slow, and inaccurate. In an effort to design a better, scalable technology, DARPA researchers have recently demonstrated the most complex optical phased array ever built onto a 2D chip.
The world's love affair with gadgets—many of which contain hazardous materials—is generating millions of tons of electronic waste annually. Now, Purdue and Tuskegee universities are leading an international effort to replace conventional electronics with more sustainable technologies and train a workforce of specialists to make the transition possible.
It’s already possible to open doors using an app, but we are a long way from seeing widespread acceptance of this in the market. Now, researchers have developed a piece of software that will make the technology even more secure and versatile.
Not everything there is “high-tech”, but the annual Consumer Electronics Show is a great place to see the newest and most fanciful products to reach the market each year. From the iPotty for toddlers to the 1,600-pound (725-kg) mechanical spider and the host of glitch-ridden "smart" TVs, the International CES show is a forum for gadget makers to take big—and bizarre—chances.
Inductors are essential components of integrated circuits. The sprawling metal spirals store magnetic energy, acting as a buffer against changes in current and modulating frequency. However, because inductance depends on the number of coils, they take up a lot of space. Researchers have recently build a 3D rolled-up inductor with a footprint more than 100 times smaller without sacrificing performance.
Meggitt Sensing Systems has announced the successful application of Endevco 8507C rugged, miniature piezoresistive pressure transducers, as well as its full range of acoustic microphones, to support the requirements of hypersonic, transonic and "quiet flow" wind tunnel testing; turbulent airflow measurements; and other high-intensity aerodynamic testing.
A research team has used stretchable electronics to create a multipurpose medical catheter that can both monitor heart functions and perform corrections on heart tissue during surgery. The device marks the first time stretchable electronics have been applied to a surgical process known as cardiac ablation, a milestone that could lead to simpler surgeries for arrhythmia and other heart conditions.
Most electronic data is stored on magnetic hard drives that cannot simply be enlarged to store more data. The required spinning speed for larger sizes strains components. Researchers in Singapore report that an alternative technology, heat-assisted magnetic recording (HAMR), is now a significant step closer to commercial realization. The method has the potential to double storage capacity for a given hard drive.
At IBM, scientists have for the first time precisely placed and tested more than 10,000 carbon nanotube devices in a single chip using mainstream manufacturing processes. Achieved through conventional chemistry, materials, and wafer fabrication methods, the invention helps validate the used of carbon nanotube technology for future electronic circuit design.