A multi-project wafer (MPW) is a processed wafer whereby multiple designs were amalgamated into a single design, thereby amortizing the wafer fabrication cost across many designs, teams, and users.

Overview

The semiconductor fabrication process is very expensive, requiring dozens of masks with each costing in the millions for a leading-edge process. Designing prototype chips by small organizations, schools, and other entities is cost prohibitive due to lack of volume. Multi-project wafers were introduced as a service to solve the cost problem. In multi-project wafer, the mask set consists of an amalgamation of all the separate designs. BY combining many small project into a single mask set, the cost of mask making, wafer fabrication, and assembly is shared by many customers, significantly reducing the price of fabricating a small quantity of chips.

History

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Multi-Project Wafer Services

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