| Company | Unknown |
| Year | 1990 |
| Cell Type | Polycrystalline |
| Part No. | Polycrystalline Aluminum Back |
| Primary Use | Residential, |
| Materials | silicon |
| Acquired | Purchased |
Specimen 659Polycrystalline Aluminum Back
| Company | Unknown |
| Year | 1990 |
| Cell Type | Polycrystalline |
| Part No. | Polycrystalline Aluminum Back |
| Primary Use | Residential, |
| Materials | silicon |
| Acquired | Purchased |
