United States Patent 2989643
Inventors:
Scanlon, Wayne W.
Publication Date:
06/20/1961
Assignee:
Scanlon, Wayne W.
Other Classes:
348/164, 250/214VT, 359/350, 348/203, 250/334, 359/213
International Classes:
G02B23/12; G02B23/00
US Patent References:
| 2547173 | Long wave length infrared radiation detector | | | |