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Indium Corporation to Present at SPIE Photonics West

Dec 17, 2021

One of the most highly demanded applications for 80Au20Sn is semiconductor laser die-attach due to recent advancements that have made lasers an economical option for a multitude of new products. However, a key challenge with semiconductor lasers is thermal management, as these devices generate a significant amount of heat. Indium Corporation Product Specialist Jenny Gallery will present on how to manage heat with AuSn preforms at SPIE Photonics West, Jan. 22-27, San Francisco, Calif., U.S.

One method for facilitating thermal transfer from the die to the substrate is to reduce the bondline thickness through the use of thinner 80Au/20Sn preforms. By using a thinner preform in the bondline, the heat is transferred away from the die more quickly,

increasing the longevity and potential of the die. In The Effect of AuSn Preform Thickness on Thermal Transfer in Semiconductor Laser Technologies, Gallery will examine the impact of AuSn preform thickness on thermal transfer by examining voiding percentages on several 80Au/20Sn preforms ranging from 0.002” to 0.00035” thick.

Gallery is a product specialist for the high-temperature business (gold and braze products) at Indium Corporation. She is responsible for researching and analyzing customer and market data, and she serves as a resource to Indium Corporation’s current and prospective customers, field sales, and internal departments. She provides product and process support for solder preforms, wire, ribbon, and paste, and she helps to facilitate relationships and new business development. Gallery earned her bachelor’s degree in chemistry at the University of Albany, N.Y., U.S.

Indium Corporation is a premier materials refiner, smelter, manufacturer, and supplier to the global electronics, semiconductor, thin-film, and thermal management markets. Products include solders and fluxes; brazes; thermal interface materials; sputtering targets; indium, gallium, germanium, and tin metals and inorganic compounds; and NanoFoil®. Founded in 1934, the company has global technical support and factories located in China, Germany, India, Malaysia, Singapore, South Korea, the United Kingdom, and the U.S.

For more information about Indium Corporation, visit or email You can also follow our experts, From One Engineer To Another® (#FOETA), at or @IndiumCorp.

SPIE Photonics West is the leading global conference and marketplace for lasers, optoelectronics, and biomedical optics. Thousands of people attend Photonics West each year to learn, connect, and find the latest research and products. Learn more at

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