Patent US 4217570A
| Patent number | US 4217570A (click link for details and documents via Google Patents) |
|---|---|
| Title | Thin-film microcircuits adapted for laser trimming |
| Inventors | Robert Holmes |
| Company | Tektronix Inc |
| Filing date | 1978-05-30 |
| Grant date | 1980-08-12 |