NEWS REVIEW Firecomms unveils green transmitter
FIRECOMMS has announced the availability of its 530 nm DC-1 Mb RedLink(R) transmitter for applications requiring extended link lengths over Plastic Optical Fibre (POF).
Operating in the green spectrum at 530nm, the new FT01MHNG transmitter exploits one of the lower attenuation windows of POF. At 0.1 dB/m, the attenuation of the FT01MHNG is considerably lower than that of traditional POF transmitters that operate in the red spectrum with an attenuation of approximately 0.2 dB/m.
These lower attenuation characteristics of the FT01MHNG transmitter make it possible to implement POF links up to 150 m or even 200 m where traditionally link lengths have been limited to 50 m.
Ideally suited for sensing, CANbus/ RS485/RS232 links, gaming, Smart Meter or other industrial command and
control applications, the FT01MHNG transmitter opens up new possibilities for the equipment designer to replace more expensive silica-based solutions with POF, remove repeaters which are no longer needed, and implement new designs requiring galvanic or optical isolation where costs or distances have been previously prohibitive.
“Firecomms, a world leader in the research and development of light sources for POF, has pioneered the development of Resonant Cavity LEDs (RCLED) for the past decade,” says John Lambkin, Firecomms CTO. “This announcement of a 530 nm based transmitter using extremely rugged InGaN semiconductors is another example of Firecomms’ commitment to innovation and investment in our RedLink product line.”
Firecomms has now completed a full qualification of these devices verifying
Epistar unveils efficient infrared LED
LOTS OF FORWARD-LOOKING technologies have been well developed and now applied to LED chip production. These include novel transparent conductive thin films, compound mirror structures, and new EPI structure designs for reducing the absorption of light. Recently, Epistar Lab claims to have made an amazing improvement on the infrared products and believes it has set new records in the LED industry.
According to latest data, the infrared product SFPN42 (chip size 1 x 1mm²) achieved wall plug efficiency of 75 percent with an operating current of 40mA and of greater than 70 percent at 350mA; the power even exceeds 1W and has reached 1027mW with the operating current of 1A. Such an impressed efficiency development has made LED chips more energy saving and eco friendly.
Now the infrared products are mostly adopted in the security monitor, smart touch panel and wireless communication systems. In the future, Epistar wants to use these products in other high potential markets to keep the competitive strength of its customers.
MEI enters Taiwanese market with advanced etch tool order MEI Wet Processing Systems and Services has received an order from a Taiwan based customer for its Advanced Etch Solution.
The tool is based on MEI’s Revolution Wet Processing System, a semi- automated rotary wet processing system designed for batch wet processing (etch or solvent) for semiconductor and MEMS (micro-electromechanical systems) applications.
The Advanced Etch wet bench will be used for copper etch and titanium etch wet chemical processing of 200 mm compound semiconductor or MEMS wafers.
“This is a prime example of the Advanced Etch applications market that MEI specialises in supporting,” says Ed Jean, MEI’s Sales Manager.
“Most wet process equipment suppliers tend to focus on either single wafer processing or generic equipment sales. There is a real need for semiconductor processing solutions that focus on challenging applications solutions, and MEI Wet Processing Systems and Services is meeting these specialised application needs, including proprietary Advanced Etch, Gold Etch, InGaP Etch and patented Metal Liftoff solutions.” Founded in 1990 and based in Albany, Oregon, MEI Wet Processing Systems and Services LLC, is a wet processing equipment and service company serving the semiconductor, MEMS, solar, and high technology industries.
MEI’s specialties include patented solutions for wet processing applications, automated and semi-automated wet process systems and services, linear and rotary wet benches for the semiconductor and material processing industries, automated chemical delivery systems and control automation software.
January / February 2014
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how the wavelength and output power remain remarkably stable over the entire industrial temperature range of -400˚C to +850˚C, and demonstrating their suitability for the most demanding of applications.
Link tests performed using this new transmitter with the Firecomms FR01MHIR receiver have shown transmission distances of up to 200 m depending on actual throughput.
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