Quantum Effect Devices
| Formerly | Quantum Effect Design, Inc. |
|---|---|
| Company type | Private |
| Industry | Semiconductor |
| Founded | 1991 in Palo Alto, California |
| Founders |
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| Defunct | October 2000 |
| Fate | Acquired by PMC-Sierra |
| Products | Microprocessors |
Quantum Effect Devices, Inc. (QED), was a microprocessor design company incorporated in 1991 as Quantum Effect Design. It was based in Palo Alto, California.