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The Clear Choice in LEDs for Increased Brightness - Shin-Etsu MicroSi Silicone Encapsulant Packaging Materials

Published on 2009-02-10. Author : SpecialChem

PHOENIX -- Shin-Etsu MicroSi's silicone-based resin encapsulants have shown in specific applications in the Asian marketplace that they can produce increased brightness and improve efficiency and life span of LEDs. The next generation SCR series of encapsulants are now being introduced to the global marketplace as a drop-in replacement.

These hard, Silicone-based resin encapsulants can meet strength and hardness specifications but are designed to resist cracking and absorb stress on the die much better, resulting in less cracking. The low gas permeation of SCR products greatly reduces silver corrosion, which results in a longer life span for many LEDs. Shin-Etsu MicroSi's LED packaging materials are non-yellowing, crack resistant, and optically clear even after exposure to harsh conditions.

Silicone Encapsulant Features Include:

  • high refractive index allows greater light transmission,
  • low gas permeability and non-corrosive to silver eliminates the effects of corrosion and,
  • excellent transparency for increased brightness.

LED Market

In the midst of sharp revenue declines in most electronics component categories, LEDs provide a rare growth opportunity. After 10.8% growth in 2008, the LED market is expected to grow by 2.9% in 2009, aided by increased demand from LCD-TV makers, according to market research firm iSuppli Corp.

Strategies in Light

With Shin-Etsu's long history of working with silicones, the product line has solved a multitude of manufacturing problems in microelectronic applications. These products, along with Shin-Etsu MicroSi's line of die attach, adhesives and LED packaging materials will be on display at the Strategies in Light conference and trade show, Feb. 18-20, at the Santa Clara Convention Center in Santa Clara, California, at Booth #500.

Shin-Etsu MicroSi will also be featuring their KER series die attach materials at Strategies in Light. KER products are more compatible with silicone encapsulants than epoxy-based die attach materials, which may poison cure systems, and they have increased adhesive strength and thermal performance. Clear, opaque, and white thin bond line versions are available to minimize light absorption and maximize heat dissipation.

About Shin-Etsu

Shin-Etsu Chemical Co., Ltd., the Tokyo based chemical company, is the world's largest supplier of semiconductor materials, semiconductor silicon, PVC resin, synthetic quartz glass and methylcellulose and is a major producer of materials including silicones and rare earth magnets. Shin-Etsu Chemical's stock is listed on three markets: The Tokyo, Osaka and Nagoya Exchanges in Japan.

Shin-Etsu MicroSi Inc. is a wholly owned subsidiary of Shin-Etsu Chemical Co., Ltd. From its headquarters in Phoenix, Arizona, Shin-Etsu MicroSi provides high performance products and materials, specifically designed to address today's photolithography, packaging and flexible printed circuit requirements.

Source: Shin-Etsu MicroSi, Inc.


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