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IPC-7091

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IPC-7091 2017 Edition, June 1, 2017 Design and Assembly Process Implementation of 3D Components

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Description / Abstract: This document describes the design and assembly challenges and ways to address those challenges for implementing 3D component technology. Recognizing the effects of combining multiple uncased semiconductor die elements in a singlepackage format can impact individual component characteristics and can dictate suitable assembly methodology. The information contained in this standard focuses on achieving optimum functionality, process assessment, end-product reliability and repair issues associated with 3D semiconductor package assembly and processing

Purpose

Performance-driven electronic systems continue to challenge companies in search of more innovative semiconductor package methodologies. The key market driver for semiconductor package technology is to provide greater functionality and improved performance without increasing package size. The package interposer is the key enabler. Although glass-reinforced epoxy-based materials and high-density copper interconnect capability will continue to have a primary role for array-configured packaging, there is a trend toward alternative dielectric platforms as well as toward combining multiple functions within the same die element. To address this movement, an increasing number of semiconductor die developed for advanced applications now require higher I/O with contact pitch variations that are significantly smaller than the mainstream semiconductor products previously in the market. For these applications, companies are developing interposer technologies that can provide interconnect densities far superior to organic-based counterparts