 | |
| Industry | Semiconductor |
|---|---|
| Founded | 1969 |
| Founder | Lee Boysel |
| Defunct | 1982 |
| Fate | Acquired by Motorola |
| Headquarters | Cupertino, CA, USA |
| Products | Semiconductor main memory, LSI MOS logic, central processing unit, microprocessor |
| Owner | Motorola |
Four-Phase Systems, Inc., was a computer company, founded by Lee Boysel and others, which built one of the earliest computers using semiconductor main memory and MOS LSI logic. The company was incorporated in February 1969 and had moderate commercial success. It was acquired by Motorola in 1982.[1]
- ^ Bassett, Ross Knox (2007). "Ch. 5: It Takes an Industry". To the Digital Age: Research Labs, Start-up Companies, and the Rise of MOS Technology. JHU Press. pp. 256, 267, 262. ISBN 978-0-8018-8639-3.