Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Semiconductor quantum well electron and hole waveguides

Semiconductor quantum well electron and hole waveguides

US Patent 4970563 · Granted Nov 13, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ultraviolet monitoring of chromatography performance by orthogonal partial least2024
Visible light photo-disinfection patch2019
Interference projection exposure system and method of using same2015
LED based high-intensity light with secondary diffuser2014
Tailored side-emitter perimeter beacon2013
Staggered LED based high-intensity light2012
High dielectric constant insulators and associated fabrication methods2011
Photo-masks and methods of fabricating surface-relief grating diffractive device2011
Photo-masks and methods of fabricating periodic optical structures2011
High input/output density optoelectronic probe card for wafer-level test of elec2009
Interferometric optical tomography2008
Optical interconnects in microelectronics based on azimuthally asymmetric long-p2007