| Patent | Date |
|---|
Optical device with mode selecting grating
Grant 4,911,516 - Palfrey , et al. March 27, 1 | 1990-03-27 |
Phase modulation semiconductor laser array
Grant 4,903,275 - Ettenberg , et al. February 20, 1 | 1990-02-20 |
Photodetector
Grant 4,597,004 - Longeway , et al. June 24, 1 | 1986-06-24 |
Optical recording medium and information record and method of making same
Grant 4,547,876 - Ettenberg October 15, 1 | 1985-10-15 |
W-Guide buried heterostructure laser
Grant 4,416,012 - Botez , et al. November 15, 1 | 1983-11-15 |
Optical recording medium and information record with indented overcoat
Grant 4,383,311 - Ettenberg May 10, 1 | 1983-05-10 |
III-V Direct-bandgap semiconductor optical filter
Grant 4,300,811 - Ettenberg , et al. November 17, 1 | 1981-11-17 |
Optical memory with injection laser as light source and detector
Grant 4,241,423 - Burke , et al. December 23, 1 | 1980-12-23 |
III-V Direct-bandgap semiconductor optical filter
Grant 4,228,349 - Ettenberg , et al. October 14, 1 | 1980-10-14 |
Two-way single fiber optical communication system
Grant 4,195,269 - Ettenberg , et al. March 25, 1 | 1980-03-25 |
Low cost high efficiency gallium arsenide homojunction solar cell incorporating a layer of indium gallium phosphide
Grant 4,179,308 - Olsen , et al. December 18, 1 | 1979-12-18 |
Half wave protection layers on injection lasers
Grant 4,178,564 - Ladany , et al. December 11, 1 | 1979-12-11 |
Multi-layer reflector for electroluminescent device
Grant 4,092,659 - Ettenberg May 30, 1 | 1978-05-30 |
Electroluminescent semiconductor device having a restricted current flow
Grant 4,048,627 - Ettenberg , et al. September 13, 1 | 1977-09-13 |
Low beam divergence light emitting diode
Grant 4,023,062 - Kressel , et al. May 10, 1 | 1977-05-10 |
Electron emitting device and method of making the same
Grant 4,019,082 - Olsen , et al. April 19, 1 | 1977-04-19 |
Solar cell device having two heterojunctions
Grant 3,990,101 - Ettenberg , et al. November 2, 1 | 1976-11-02 |
Electroluminescent edge-emitting diode comprising a light reflector in a groove
Grant 3,974,514 - Kressel , et al. August 10, 1 | 1976-08-10 |
Method of making a transmission mode semiconductor photocathode
Grant 3,960,620 - Ettenberg June 1, 1 | 1976-06-01 |
Method for epitaxially growing a semiconductor material on a substrate from the liquid phase
Grant 3,897,281 - Gilbert , et al. July 29, 1 | 1975-07-29 |
Method of making a semiconductor device
Grant 3,862,859 - Ettenberg , et al. January 28, 1 | 1975-01-28 |
Method For Epitaxially Growing Layers Of A Semiconductor Material From The Liquid Phase
Grant 3,767,481 - Ettenberg , et al. October 23, 1 | 1973-10-23 |
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