United States Patent #3,824,133 – Fabrication of Electrically Insulating Regions in Optical Devices by Proton Bombardment, 1974
File — Box: 52, Folder: 44
Dates
- Creation: 1974
Repository Details
Part of the Science History Institute Archives Repository
Contact:
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org