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  • Nihon Superior to Present �Tin, The Essential Ingredient in Lead-Free Solder � But Do You Also Need Silver?� at the 2008 International Tin Conference

Nihon Superior to Present �Tin, The Essential Ingredient in Lead-Free Solder � But Do You Also Need Silver?� at the 2008 International Tin Conference

Apr 10, 2008

OSAKA, JAPAN � April 9, 2008 � Nihon Superior Co. Ltd., an advanced soldering and brazing supplier to the worldwide market, announces that it will present at the International Tin Conference, scheduled to take place April 14-17, 2008 at the Intercontinental Hotel in Hong Kong.

The question of whether silver is an essential ingredient in lead-free soldering is one that Keith Sweatman, a technical adviser to Japanese solder maker Nihon Superior Co., Ltd, will consider in his paper, �Tin, The Essential Ingredient in Lead-free Solder � But Do You Also Need Silver?,� that he will be present during the conference.

As far as Nihon Superior is concerned, the answer is a definite �no� because its very widely used lead-free solder, SN100C�, contains no silver. For many people in the electronics industry, however, this remains a controversial question, and in his presentation Mr. Sweatman will review the issues that must be considered in formulating lead-free solders, including the cases for and against the inclusion of silver in these high-tin alloys.

While the paper primarily relates to the technical performance of the solder, Mr. Sweatman will point out to the tin producers attending the conference that the increase in the cost of solder that results from the inclusion of silver in its formulation may prompt the electronics industry to look for alternatives to soldering as a method of assembling electronic circuitry. The paper also will discuss the most reliable method of making the connections required in electronic circuitry solder.

In describing the paper, Mr., Sweatman said, �There is definitely a place for silver in the new generation of solders that have had to be developed in response to the effective ban on lead imposed by the EU�s Directive on the Restriction of Hazardous Substances in electrical and electronic equipment. However, as has been demonstrated by the success of the Nihon Superior SN100C� alloy, there are a wide range of applications where a silver addition is not required so that the electronics industry can have a more cost-effective solution that does not compromise performance or reliability.�

The International Tin Conference, held in association with ITRI Innovation Ltd., will not only focus on the global supply of tin, with presentations looking at international production developments and new project exploration, but will also concentrate on a wide range of tin consumption sectors, including chemicals, solder and electronics, as well as investigating the potential for a range of new applications using tin.

About Nihon Superior Co. Ltd.

Nihon Superior was founded in 1966 when it began marketing unique flux products imported from the US. Since then, the company has made its mark by developing its own soldering materials and supplying them to the electronics industry. On the basis of its expertise in these technologies, Nihon Superior has developed a global business, establishing manufacturing and sales centers in Asia and forming business partnerships with companies in Europe, America and Asia.

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