Die attachment

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Die attachment process (Photo by Creative Materials Inc.)
Die attachment process (Photo by Creative Materials Inc.)

Die attachment is the step during the integrated circuit packaging phase of semiconductor device fabrication during which a die is mounted and fixed to the package or support structure.

For high-powered applications, the die is usually eutectic bonded onto the package (for good heat conduction). For low-cost, low-powered applications, the die is often glued directly onto a substrate (such as a printed wiring board) using an epoxy adhesive.

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