Resources Contact Us Home
Semiconductor laser diode

Image Number 17 for United States Patent #7796669.

A semiconductor laser diode capable of further improving temperature characteristics while sufficiently preventing a laser beam emission end surface portion from thermal destruction through a window structure is obtained. This semiconductor laser diode comprises an active layer having a window structure on a laser beam emission end surface portion and a p-type layer, formed on the surface of the active layer, containing Mg and Zn as impurities. The impurity concentration of Zn contained in the p-type layer is larger than the impurity concentration of Mg contained in the p-type layer.

  Recently Added Patents
Query optimization with awareness of limited resource usage
Fabrication method of semiconductor device and fabrication method of dynamic threshold transistor
Co-crystals of agomelatine, a process for there preparation and pharmaceutical compositions containing them
Methods and devices for coding and decoding images, computer program implementing them and information carrier enabling their implementation
Generation, display, and manipulation of measurements in computer graphical designs
5-HT.sub.3 receptor modulators, methods of making, and use thereof
Extension of physical downlink control channel coverage
  Randomly Featured Patents
Filtered showerhead
New Guinea impatiens plant named `Duepetticopi`
Multilayer film
Method for spectral side lobe suppression in OFDM-based communication systems
Methods for producing dried storage-stable platelets and compositions obtained thereby
Coating liquid for nickel film formation, nickel film, and production method thereof
System and method for parity caching based on stripe locking in raid data storage
Means to extend tTR range of RDRAMS via the RDRAM memory controller
Method and apparatus for deducing user intent and providing computer implemented services
Pneumatic percussion tool having a vibration dampened handle