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Member Since: June 18, 2009
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posted in February 2006

9 items
Digital MEMS mic put on single chip
News & Analysis  
2/27/2006   Post a comment
Even the whizziest, most cutting-edge digital systems still use microphones that are based on 50-year-old analog electret technologies. The best candidate for a successor is microelectromechanical systems, but so far analog MEMS microphones have been largely relegated to a single market: hearing aids.
Surface prep yields a super conductor
News & Analysis  
2/27/2006   Post a comment
Researchers at the University of Wisconsin in Madison have discovered a surface treatment that enables nanoscale membranes of silicon to conduct better as they get thinner, thereby extending Moore's Law all the way to atomic dimensions.
Bonding boosts nanotube conductivity
News & Analysis  
2/27/2006   Post a comment
Nanotubes already offer ballistic transport of electrons at room temperature--and, when cooled to near absolute zero, single-walled carbon nanotubes lose all resistance to current flow and become superconductors. Now EEs in Japan have demonstrated that careful attention to bonding the ends of multiwalled nanotubes can increase the temperature at which they superconduct, potentially enabling quantum computing at the molecular level.
How one-chip Akustica mic does it
Product News  
2/27/2006   Post a comment
The standard way to add a microphone to a digital appliance such as a notebook PC, Bluetooth headset or PDA is through a combina- tion of four components: a miniature electret condenser microphone, a discrete field-effect transistor (FET), a separate operational preamplifier chip and an analog-to-digital converter chip. Akustica's digital-output CMOS microphone chip concentrates all four functions in a single device.
Nanomembrane makes super conductor
News & Analysis  
2/21/2006   Post a comment
University of Wisconsin researchers have discovered a surface treatment that enables nanoscale membranes of silicon to conduct better as they get thinner.
Nanofuel cells provide remote power
News & Analysis  
2/20/2006   Post a comment
A researcher at Lawrence Berkeley National Laboratories has demonstrated a fuel cell measuring just 200 nanometers across that potentially can be integrated on-chip to supply power from a hydrogen reservoir for decades. "We are building nanoscale fuel cells from the bottom up instead from the top down, like the automobile makers," said Lawrence Berkeley researcher Kenneth Lux.
RPI claims battery-fueled, room-temp fusion
News & Analysis  
2/20/2006   Post a comment
It won't power the starship Enterprise, but an experimental "dilithium crystal" pyroelectric technology is said to enable compact nuclear fusion.
Titania nanotubes could cut solar-cell costs
News & Analysis  
2/6/2006   Post a comment
Dye-sensitized solar cells present a low-cost option for renewable power generation, but their efficiency has maxed out at a dismal 11 percent. Now a project at Pennsylvania State University suggests that incorporating titania (titanium oxide) nanotube arrays could provide the needed efficiency boost to move the cells toward commercialization.
Microarray could help head off bird flu
News & Analysis  
2/3/2006   Post a comment
A new technology could offer advance warning of the ability of a virus to infect humans.

In conjunction with unveiling of EE Times’ Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. One of Silicon Valley's great contributions to the world has been the demonstration of how the application of entrepreneurship and venture capital to electronics and semiconductor hardware can create wealth with developments in semiconductors, displays, design automation, MEMS and across the breadth of hardware developments. But in recent years concerns have been raised that traditional venture capital has turned its back on hardware-related startups in favor of software and Internet applications and services. Panelists from incubators join Peter Clarke in debate.
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