Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Semiconductor memory device and fabrication thereof










Image Number 3 for United States Patent #7332390.

A semiconductor memory device and fabrication method thereof. In a semiconductor memory device, each memory cell comprises a deep trench and a capacitor disposed on the lower portion thereof. A collar oxide layer having a first second sidewalls is disposed on the deep trench. The top of the first sidewall is at the same height as the surface of the semiconductor substrate. The top of the second sidewall is substantially equal to the top of the capacitor. The memory cell further comprises a buried conductor layer disposed on the second sidewall and the capacitor and a buried strap adjoining the buried conductive layer, and a transistor disposed on the surface of the semiconductor substrate and electrically connected to the capacitor through the buried strap and the buried conductive layer.








 
 
  Recently Added Patents
Build process management system
Techniques for data assignment from an external distributed file system to a database management system
Inspection tool for top guides of a boiling water reactor
File management apparatus and file management apparatus controlling method
Method for growing group III-nitride crystals in supercritical ammonia using an autoclave
Process cartridge and electrophotographic image forming apparatus
Preserving privacy of digital communication information
  Randomly Featured Patents
Power steering apparatus
Formulations for transmucosal vaginal delivery of bisphosphonates
Power amplification system and mobile radio communication terminal
Use of bi-specific antibodies for pre-targeting diagnosis and therapy
Key input indicating tone generating apparatus for small-sized electronic devices
Method for producing optically active compound
Polymeric magenta coupler and color photographic recording material that contains this polymeric magenta coupler
Handoff method comprising network control apparatus that receives data packets from both the core network and the other network control apparatus wherein said received data packets will be tra
Dynamic exoskeletal orthosis
Blood test apparatus and method of controlling the same