ALPHA® High Lead Die Attach Preforms are constructed with 99.99% (4N) purity PbSn, PbSnAg, PbSb alloys.
In order to minimize oxidation during storage and shipping, these products are packaged in glass jars flooded with Argon, and are hermetically sealed. These products are typically reflowed with forming gas at very high reflow temperatures.
Shapes include disc, squares, rectangles. These preforms are available in a wide range of sizes, specifically for die attach applications.
