Resources Contact Us Home
Device with quantum dot layer spaced from delta doped layer

Image Number 18 for United States Patent #7199391.

A method of forming a semiconductor device includes the following steps: providing a plurality of semiconductor layers; providing means for coupling signals to and/or from layers of the device; providing a layer of quantum dots disposed between adjacent layers of the device; and providing an auxiliary layer disposed in one of the adjacent layers, and spaced from the layer of quantum dots, the auxiliary layer being operative to communicate carriers with the layer of quantum dots.

  Recently Added Patents
Method and composition for attracting arthropods by volatizing an acid
Granulated sweetening composition
Wideband antenna
Wireless communication method, wireless communication system, and mode switching method
Cell reselection and handover with multimedia broadcast/multicast service
Battery loading and unloading mechanism
Laser receiver for detecting a relative position
  Randomly Featured Patents
N-cyanoaryl-nitrogen heterocycles
Portable pump housing for an operable submersible pump unit
Delay-locked loop (DLL) integrated circuits having high bandwidth and reliable locking characteristics
Exhaust gas recirculation system
Lever operated control mechanism for movement of an electric drill
Polishing of semiconductor substrates
Equatorial profile for large spherical tanks
Device for holding the leading end of the wire on a stapling wire supply reel
Fuel injection nozzle
Safety belt