NIKKEI ELECTRONICS April 7, 2008 vol. 975

Cover Story
Electronics Manufacturers Must Visualize CO2 Emissions

Global warming initiatives involving suppliers and users

How should appliance manufacturers achieve the target of halving CO2 emissions by 2050 as a way to combat global warming? And what will that mean for suppliers and users?

Local Environments Are also National and International Issues

Declaration

All Involved—Parts and Materials Manufacturers, and Consumers—to Participate in Reduction Efforts

To achieve the long-term goal of halving CO2 emissions by 2050, environmental controls, particularly in developed countries, will need to be significantly strengthened. While global warming has presented a prime opportunity for companies in possession of advanced energy-saving technologies, electronic appliances are increasingly running the risk of being blamed for rising CO2 levels. CO2 emissions released by appliance manufacturers, suppliers and users need to be made visible so that efforts can be made to reduce such emissions across the board.

Global Warming Q&A

Initiatives for Households

“You’ll save energy without realizing it”—gradually coaxing users over

Energy consumption by households in Japan is increasing.Power consumption, in particular, has risen 53.7% from FY1990 levels, the main contributing factors being climbing power consumption caused by greater functionality of home appliances and increasing numbers of such appliances.Without improvements, current measures are unlikely to bring about a dramatic reduction in CO2 emissions.

As there are limits to improvements that can be made to the home appliances themselves, the focus is shifting to methods of energy conservation within entire systems.Integrating appliances allows us to pick up on inefficiencies that went unnoticed when appliances were separate.The eventual aim is a departure from energy supply frameworks that emit large volumes of CO2, such as thermal power generation.

Special Feature
Ever Changing Vehicle HMIFocus Is on Sensory Stimuli and Greater Information Relevancy

Human-machine interfaces (HMI) employed in automobiles are changing. The reason? Automakers are alarmed at the volume of information that drivers now have to, and struggle to, keep track of. Information should be processed smoothly, hence the emergence of devices that provide warnings through force feedback in the accelerator pedal and car navigation systems that are simpler to operate due to careful selection of content. Expect to see the increasing application of new technologies that aim to cut the time it takes for drivers to alter controls after receiving the relevant information.

Guest Paper
More Ultra Precise Mounting of LCDs on Portable Devices

COG technology achieves both a finer pitch and lower costs

Seiko Epson Corp. has developed a mounting technology to satisfy manufacturers of portable devices that want to incorporate liquid-crystal displays (LCD) with higher resolution into their products.The new technology is the result of a complete review of chip-on-glass (COG) technology, which is used to mount the LCD driver IC on to the glass substrate of the LCD panel.Pitches will be able to be shortened by as much as a third compared to conventional COG mounting technology.Cost reductions will also be realized.In this paper, the developers explain the new mounting technology and outline future developments.

Documentary
Super Hacker gNiibe’s Hunt for the Bug Afflicting Embedded Linux Software (Part 1)

NE Plus
Sensor Engineering for Device Developers

Tutorial
High-speed Transmission Related Design and Evaluation (Part 3): The Effect of Common-Mode Voltage in Differential Systems—Careful Consideration is Necessary of Substrate Structure and Wiring Layout

In addition to differential-mode voltage (signal) fluctuations, signal transmission via differential transmission lines is sometimes accompanied by common-mode voltage swings.The impact of common-mode voltage will be a concern for future transmission systems boasting extremely high speeds.Additionally, as the signal-to-noise ratio increases with higher speeds, the effect of randomly-occurring noise and jitter cannot be ignored.

Decay Analysis of Red/Infrared Light Emitting Device (Part 2): Delayed Decay Can Affect Device Longevity—Materials, Configuration and Usage are All Important Factors

Degradation of red/infrared light-emitting diodes (LED) and laser diodes, which are found in a wide range of devices, can generally be divided into three types: rapid degradation, slow degradation and impact degradation.Slow degradation is the one that causes problems for users.The second installment in the series explains the mechanism of slow degradation and related prevention methods.

Keyword
MEMS (micro electro mechanical systems sensor)

Key Person
LoiLo COO Ryutaro Sugiyama: “I Want to Astonish the World with Our Video Editing Software”

Watcher
Samsung: The Source of Globally Competitive Power Is Acquiring Creative People

NE Interview
Funai Executive Vice President Yoshio Nakajima: “Stable Supply of LCD Panels Is an Absolute Prerequisite to a Successful Flat-panel TV Business”

2007 was going to be a year of dramatic leaps and bounds for Funai Electric Co., Ltd.With the United States flat-screen television market moving into full swing, all indications pointed to a favorable year for the company, which is strong in affordably-priced products.

As it turns out though, Funai had a miserable 2007.Earnings forecasts were revised downward on a number of occasions.Operating profit for the fiscal year ending March 2008 is expected to be in the red for the first time since the company’s listing on the stock exchange in 1999.What went wrong?

World Report
From United States: Complete Changeover to Digital Terrestrial Television Moving Ahead—All that Remains is Consumer Education and the Necessary Preparations by TV Networks

News

  • Kodak Launches Pocket-sized Organic EL TV
  • Sanyo’s Electric Bicycle Stores Recovered Power in Li-ion Rechargeable Battery
  • Report from the New York Motor Show
  • Intel Reveals Intent to Compete against ARM with Move into Cell Phone Market
  • Hitachi Develops Special Material Boasting High Thermal Conductivity for Semiconductor Packaging
EDITORS' BLOG

Pixel Qi and the Impending Apple "MediaBook?"

Following the latest Apple rumors is something of a Silicon Valley sport, so I'm going to put my own spin on one. Note this one has no basis on anything other then my own fevered imaginings, so treat accordingly. (May 22) read more

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Cover Story SSDs Challenge HDDs, but Quality a Problem

Solid-state drives (SSD) using NAND Flash memory are beginning to show up in a variety of equipment as storage devices. Prices are dropping as semiconductor technology continues to evolve, accelerating adoption of the drives, but manufacturers must also deal with eroding quality.

Analysis Expanded Use of Silicon Tuners Transforms Tvs

With analog television broadcasting slated for the axe in about two years in Japan, TV broadcast tuners are evolving rapidly, replacing old radio frequency (RF) analog circuits with new integrated circuits (IC) called silicon tuners. Signal demodulators are evolving with them, and by tracing the direction of their evolution it is possible to delineate the shape of tomorrow's TV.

Convenience Stores Lead in Energy Conservation

Convenience store franchises are moving to slash energy consumption following the revision of the Japanese Act on the Rational Use of Energy, and are rapidly becoming showcases for cutting-edge energy-conservation technology. The technologies honed here will spread to other firms in the distribution industry, office buildings and more, eventually worldwide.

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