U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
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All TitlesTitle 31Chapter VIIIPart 850Subpart B - Subpart B—Definitions
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The term advanced packaging means to package integrated circuits in a manner that supports the two-and-one-half-dimensional (2.5D) or three-dimensional (3D) assembly of integrated circuits, such as by directly attaching one or more die or wafer using through-silicon vias, die or wafer bonding, heterogeneous integration, or other advanced methods and materials.