February 24, 1998 in Social Responsibility News

SAMSUNG Electronics Develops MCVD Production Process for Optical Fiber

SEOUL, Korea - February 21, 1998 - Samsung Electronics Co., Ltd., has become the world first to develop a production process using modified chemical vapor deposition (MCVD) to form optical fiber up to 250 kilometers long. This new process will greatly contribute to the development of Korea's optical fiber industry.

Lucent Technologies and other leading optical fiber makers have striven to enlarge the size of the base material to increase the volume of optical fiber. However, as the diameter of the base material grows larger, the task of maintaining quality uniformity becomes more difficult. As a result, the maximum length of optical fiber produced with the MCVD method has been 140 kilometers.

However, Samsung has invested about W2 billion since the end of 1995 to increase the length of drawn optical fiber. Samsung's improved processes have resulted in high purity base material and highly uniform optical fiber drawing process, making it possible to draw fiber that is 125 microns in diameter and up to 250 kilometers long from large diameter base material.

Samsung's unique new process generates increased competitiveness by raising productivity at least 60% over other methods, while production costs are reduced 25% or more.

Samsung will put its new process to work in March and plans to export at least 80% of its new optical fiber and optical cable to Eastern Europe, Asia and Africa. In addition, Samsung is currently developing a new production process for larger base material.

Large base material production was already possible, but through vapor phase axial deposition (VAD) or outside vapor deposition OVD), which has a complex production process and a difficult uniform drawing manner. Moreover, these processes are very expensive. As a result, MCVD has emerged as the leading option among major companies such as Lucent Technologies.


1. Modified Chemical Vapor Deposition(MCVD)

. Clad and core layers are layered on the sidets of a silica (quartz glass) tube. Then the tube is heated and collapsed into a rod.

. Advantages: It is possible to draw uniform optical fiber from the base material.

. Disadvantages: It is difficult to enlarge the diameter of the base material.

Samsung Electronics Co., Ltd., a US $19 billion flagship company of Korean-based the Samsung Group, is a world leader in electronics, with operations in more than 60 countries.

Jean Youn / Assistant Manager
Corporate Communications
Samsung Electronics Co., Ltd.
Tel. (82-2-727-7838/7823)
Email: sjyha@samsung.co.kr

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