Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
12/1982
12/22/1982EP0067588A1 Injection lasers
12/22/1982EP0067586A2 Electro-optic element and method of making the same
12/21/1982US4365336 Terraced substrate semiconductor laser
12/21/1982US4365323 Optic read unit for scanning a record carrier having a radiation-reflecting information structure
12/21/1982US4365260 Semiconductor light emitting device with quantum well active region of indirect bandgap semiconductor material
12/14/1982CA1137605A1 High output power laser
12/07/1982CA1137170A1 Method and apparatus for signal transmission via an optical fiber
12/01/1982EP0065818A1 Phase-locked semiconductor laser device
11/1982
11/30/1982US4361887 Semiconductor light emitting element
11/30/1982US4360965 Bonding to heat sink using gold alloy
11/23/1982US4360921 Monolithic laser scanning device
11/23/1982US4360920 Terraced substrate semiconductor laser
11/23/1982US4360919 Semiconductor light emitting device
11/16/1982US4359776 Device for generating or amplifying coherent electromagnetic radiation, and method of manufacturing the device
11/16/1982US4359775 Semiconductor laser
11/16/1982US4359774 Light emitting device
11/16/1982US4359773 Semiconductor lasers with selective driving circuit
11/11/1982WO1982003946A1 Method of forming wide bandgap region within a multilayer iii-v semiconductors
11/10/1982EP0064339A1 Semiconductor laser device
11/09/1982US4358851 Fiber optic laser device and light emitter utilizing the device
11/09/1982US4358850 Terraced substrate semiconductor laser
11/09/1982US4357897 Device for epitaxially providing a layer of semiconductor material
10/1982
10/27/1982EP0063504A1 Micro optic for coupling a semiconductor laser to an optical fibre
10/27/1982EP0063309A1 Laser apparatus
10/26/1982CA1134486A1 Stripe offset geometry in injection lasers to achieve transverse mode control
10/26/1982CA1134485A1 Strip buried heterostructure laser
10/19/1982US4355396 Semiconductor laser diode and method of making the same
10/19/1982US4355395 Injection lasers
10/19/1982US4355323 Coupler comprising a light source and lens
10/19/1982US4354898 Method of preferentially etching optically flat mirror facets in InGaAsP/InP heterostructures
10/19/1982CA1134062A1 Semiconductor device by diffusion of zinc or cadmium
10/19/1982CA1134060A1 Epitaxial manufacture of a semiconductor device having a multi-layer structure
10/12/1982US4354199 Semiconductor light-emitting device
10/12/1982CA1133616A1 Light-emitting semiconductor device
10/12/1982CA1133591A1 Method and device for driving non-linear threshold devices
10/12/1982CA1133348A1 Device for the local treatment of a patient and more particularly applicable in acupuncture and auriculotherapy
10/06/1982EP0061938A2 Light emitting semiconductor device
10/06/1982EP0061784A1 Localized emission laser diode
09/1982
09/29/1982EP0061220A1 Semiconductor laser having at least two radiation beams, and method of manufacturing same
09/29/1982EP0061034A1 Opto-electronic control circuit
09/28/1982US4352187 Having an electrode consisting of a chromium-gold alloy on a doped gallium arsenide layer overlying a gallium aluminum arsenide layer
09/28/1982US4352116 Solid state electro-optical devices on a semi-insulating substrate
09/28/1982CA1132695A1 Beam scanning using radiation pattern distortion
09/22/1982EP0060641A2 Non-impact dot matrix printer
09/21/1982US4351051 Semiconductor laser device with an assembly block
09/21/1982US4350960 Self saturating semiconductor lasers
09/15/1982EP0060033A1 Improvements in or relating to laser light sources
09/14/1982US4349906 Optically controlled integrated current diode lasers
09/14/1982US4349905 Tapered stripe semiconductor laser
09/14/1982US4348795 Method of manufacturing cooling blocks for semiconductor lasers
09/07/1982US4348763 Multiple stripe leaky mode laser
09/07/1982US4348648 Transient suppression circuit
08/1982
08/31/1982US4347612 Semiconductor injection laser for high speed modulation
08/31/1982US4347611 Large optical cavity (LOC) mesa laser
08/31/1982US4347610 Control circuit for the drive current of a laser
08/31/1982US4347486 Single filament semiconductor laser with large emitting area
08/31/1982CA1130903A1 Semiconductor laser
08/25/1982EP0058231A2 Manufacture of light emitting or laser diodes with internally limited emission area
08/18/1982EP0057919A2 Semiconductor laser device
08/11/1982EP0057587A2 Semiconductor deposition method
08/10/1982US4344173 Stabilization circuit for a digitally operated laser
08/05/1982EP0049286A4 Methods of producing sheets of crystalline material and devices amde therefrom.
08/03/1982US4342499 Communications tuning construction
07/1982
07/27/1982US4341570 Process for producing an injection laser and laser obtained by this process
07/27/1982US4341010 Fabrication of electroluminescent semiconductor device utilizing selective etching and epitaxial deposition
07/27/1982CA1128635A1 Semiconductor lasers
07/27/1982CA1128634A1 Semiconductor laser structure and manufacture
07/20/1982US4340967 Semiconductor lasers with stable higher-order modes parallel to the junction plane
07/20/1982US4340966 Semiconductor laser with buffer layer
07/13/1982US4339822 Diode laser digital modulator
07/13/1982US4338877 Apparatus for making semiconductor devices
07/13/1982CA1127757A1 Optical information recording apparatus
07/06/1982US4338577 Semiconductor laser apparatus
07/06/1982CA1127282A1 Semiconductor laser and method of making the same
06/1982
06/29/1982US4337443 Semiconductor laser device with facet passivation film
06/29/1982CA1126532A1 Optical fiber transfer function measuring system
06/16/1982EP0053974A1 Protection device for a laser diode
06/15/1982US4335461 Injection lasers with lateral spatial thickness variations (LSTV) in the active layer
06/15/1982US4335362 Semiconductor device and a method of contacting a partial region of a semiconductor surface
06/15/1982US4334694 Splash protection assembly for vehicles equipped with mudguards
06/15/1982CA1125898A1 Semiconductor laser device and method of manufacturing the same
06/08/1982US4334311 Transverse junction stripe semiconductor laser device
06/08/1982CA1125425A1 Semiconductor laser device
06/01/1982US4333061 Terraced substrate semiconductor laser
05/1982
05/26/1982EP0052536A1 Sender module output power stabilization device for an optical fibre transmission system
05/25/1982US4331938 Injection laser diode array having high conductivity regions in the substrate
05/25/1982CA1124393A1 Optical read unit, for reading a moving information carrier, in particular for reading a video disc
05/25/1982CA1124375A1 Semiconductor laser or intensifier
05/25/1982CA1124329A1 Process and system for controlling the efficiency of an electronic device
05/19/1982EP0051669A1 Semiconductor fabrication utilizing laser radiation.
05/11/1982US4329661 Terraced substrate semiconductor laser
05/11/1982US4329660 Semiconductor light emitting device
05/11/1982US4329659 Feedback control of lasers in fiber optic systems
05/11/1982US4329658 Semiconductor laser device
05/11/1982US4329189 Channelled substrate double heterostructure lasers
05/04/1982US4328469 High output power injection lasers
05/04/1982US4327962 Laser/amplifier/detector diode
04/1982
04/20/1982US4326176 Semiconductor laser device
04/20/1982CA1122262A1 Stabilization of output characteristics of injection lasers
04/14/1982EP0049286A1 Methods of producing sheets of crystalline material and devices amde therefrom.