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Corning Announces Multimode Version of ClearCurve® Optical Fiber


Brings ultra-bendable benefits to data centers and enterprise networks

CORNING, N.Y. – Corning Incorporated (NYSE: GLW) today announced a new ClearCurve® ultra-bendable multimode optical fiber for use in data centers and enterprise networks. Corning ClearCurve multimode fiber is the world’s first laser-optimized multimode fiber to withstand tight bends at or below 10 mm radius with substantially less signal loss than traditional multimode fiber. This new fiber allows designers, installers and operators of enterprise networks -- including local area networks, data centers and industrial networks -- to deploy optical fiber in more places by delivering all of the bandwidth benefits of optical fiber in a package that is easier to handle and install than copper.

Traditionally, when an optical cable experiences very tight bends, as is common in constrained enterprise network spaces like telecommunications closets and data center racks, it can result in signal loss and costly down time. ClearCurve multimode fiber’s improved bend performance minimizes signal loss and enables faster and more efficient optical cable pathways, routing and installation.

ClearCurve 50-micron multimode fiber meets or exceeds the OM3 industry standard for high-bandwidth, laser-optimized multimode fibers, as well as the proposed OM4 standard. Laser-optimized multimode fibers are the fibers of choice for bandwidth-intensive companies such as financial institutions, hospitals, high-tech manufacturing firms and universities.

“Multimode optical fiber is the most cost-effective, future-proof solution for enterprise networks,” said Martin J. Curran, senior vice president and general manager, Corning Optical Fiber. “With Corning ClearCurve multimode fiber, our customers can maintain the benefits of multimode fiber while maximizing system reliability, minimizing downtime, and realizing overall space savings and reduced cost.”

Multimode optical fiber has many modes of light traveling through the fiber. The outer mode groups are particularly sensitive to bend. Corning’s new multimode optical fiber is designed to confine these outer mode groups to the fiber core and maintain the integrity of the optical signal.

ClearCurve OM3 multimode optical fiber is the latest optical fiber innovation from Corning, which invented the first low-loss optical fiber nearly 40 years ago. Since then, Corning has revolutionized telecommunications by developing fiber innovations such as the first dispersion-shifted fibers, large effective area fibers, and ultra-low-loss fiber for long-haul and high-data rate transmission; the first laser-optimized multimode fibers for enterprise networks; and the first G.652.D compatible SBS-enhanced fibers and bend-insensitive single-mode fibers for access and broadband applications.

ClearCurve multimode fiber is the newest member of the Corning ClearCurve fiber family. In 2007, Corning introduced its award-winning ClearCurve single-mode fiber which solved the technical and physical challenges faced by telecommunications carriers installing fiber-to-the-home (FTTH) networks, particularly in multi-dwelling units. Now, with ClearCurve multimode fiber, Corning takes the benefits of bend-insensitive optical fiber into data centers and enterprise networks, which face similar space constraints and installation challenges.

Corning will unveil and demonstrate the performance of its new multimode optical fiber Jan. 18-21, 2009, at the Winter BICSI Conference in Orlando, Fla. Visit for more information about the Corning ClearCurve optical fiber family.

About Corning Incorporated
Corning Incorporated ( is the world leader in specialty glass and ceramics. Drawing on more than 150 years of materials science and process engineering knowledge, Corning creates and makes keystone components that enable high-technology systems for consumer electronics, mobile emissions control, telecommunications and life sciences. Our products include glass substrates for LCD televisions, computer monitors and laptops; ceramic substrates and filters for mobile emission control systems; optical fiber, cable, hardware & equipment for telecommunications networks; optical biosensors for drug discovery; and other advanced optics and specialty glass solutions for a number of industries including semiconductor, aerospace, defense, astronomy and metrology.

Forward-Looking and Cautionary Statements
This press release contains “forward-looking statements” (within the meaning of the Private Securities Litigation Reform Act of 1995), which are based on current expectations and assumptions about Corning’s financial results and business operations, that involve substantial risks and uncertainties that could cause actual results to differ materially. These risks and uncertainties include: the effect of global political, economic and business conditions; conditions in the financial and credit markets; currency fluctuations; tax rates; product demand and industry capacity; competition; reliance on a concentrated customer base; manufacturing efficiencies; cost reductions; availability of critical components and materials; new product commercialization; pricing fluctuations and changes in the mix of sales between premium and non-premium products; new plant start-up or restructuring costs; possible disruption in commercial activities due to terrorist activity, armed conflict, political instability or major health concerns; adequacy of insurance; equity company activities; acquisition and divestiture activities; the level of excess or obsolete inventory; the rate of technology change; the ability to enforce patents; product and components performance issues; stock price fluctuations; and adverse litigation or regulatory developments. These and other risk factors are detailed in Corning’s filings with the Securities and Exchange Commission. Forward-looking statements speak only as of the day that they are made, and Corning undertakes no obligation to update them in light of new information or future events.


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