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Class Information
Number: 257/E27.091
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including semiconductor component with at least one potential barrier or surface barrier adapted for rectifying, oscillating, amplifying, or switching, or including integrated passive circuit elements (epo) > With semiconductor substrate only (epo) > Including a plurality of individual components in a repetitive configuration (epo) > Including field-effect component (epo) > Dynamic random access memory, dram, structure (epo) > One-transistor memory cell structure, i.e., each memory cell containing only one transistor (epo) > Transistor in trench (epo)
Description: This subclass is indented under subclass E27.078. This subclass is substantially the same in scope as ECLA classification H01L27/108F6.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612406 |
Transistor, memory cell array and method of manufacturing a transistor |
Nov. 3, 2009 |
| 7595524 |
Power device with trenches having wider upper portion than lower portion |
Sep. 29, 2009 |
| 7589995 |
One-transistor memory cell with bias gate |
Sep. 15, 2009 |
| 7573096 |
Semiconductor device for reducing forward voltage by using OHMIC contact |
Aug. 11, 2009 |
| 7566933 |
Trench-gate semiconductor device and manufacturing method of trench-gate semiconductor device |
Jul. 28, 2009 |
| 7564084 |
Dual-gate dynamic random access memory device having vertical channel transistors and method of fabricating the same |
Jul. 21, 2009 |
| 7564098 |
Semiconductor device having trench-type gate and its manufacturing method capable of simplifying manufacturing steps |
Jul. 21, 2009 |
| 7560773 |
Semiconductor device |
Jul. 14, 2009 |
| 7557407 |
Recessed gate structure and method for preparing the same |
Jul. 7, 2009 |
| 7554148 |
Pick-up structure for DRAM capacitors |
Jun. 30, 2009 |
| 7544568 |
Semiconductor device and method of manufacturing the same |
Jun. 9, 2009 |
| 7535055 |
Trench transistor |
May. 19, 2009 |
| 7528441 |
Insulated gate semiconductor device |
May. 5, 2009 |
| 7510955 |
Method of fabricating multi-fin field effect transistor |
Mar. 31, 2009 |
| 7507628 |
Method of manufacturing a non-volatile memory device |
Mar. 24, 2009 |
| 7494865 |
Fabrication method of metal oxide semiconductor transistor |
Feb. 24, 2009 |
| 7465988 |
Semiconductor device and method of manufacturing the same |
Dec. 16, 2008 |
| 7456469 |
Semiconductor device having cell transistor with recess channel structure |
Nov. 25, 2008 |
| 7456470 |
Top drain fet with integrated body short |
Nov. 25, 2008 |
| 7442976 |
DRAM cells with vertical transistors |
Oct. 28, 2008 |
| 7425499 |
Methods for forming interconnects in vias and microelectronic workpieces including such interconnects |
Sep. 16, 2008 |
| 7375016 |
Method for fabricating semiconductor device |
May. 20, 2008 |
| 7372088 |
Vertical gate semiconductor device and method for fabricating the same |
May. 13, 2008 |
| 7332771 |
Trench-gate semiconductor devices |
Feb. 19, 2008 |
| 7279743 |
Closed cell trench metal-oxide-semiconductor field effect transistor |
Oct. 9, 2007 |
| 7259424 |
Semiconductor device having a trench with a step-free insulation film |
Aug. 21, 2007 |
| 7250336 |
Method for fabricating a shadow mask in a trench of a microelectronic or micromechanical structure |
Jul. 31, 2007 |
| 7242058 |
Lateral semiconductor device using trench structure and method of manufacturing the same |
Jul. 10, 2007 |
| 7227226 |
Semiconductor device with buried-oxide film |
Jun. 5, 2007 |
| 7220634 |
NROM memory cell, memory array, related devices and methods |
May. 22, 2007 |
| 7199416 |
Systems and methods for a memory and/or selection element formed within a recess in a metal line |
Apr. 3, 2007 |
| 7193270 |
Semiconductor device with a vertical transistor |
Mar. 20, 2007 |
| 7190020 |
Non-planar flash memory having shielding between floating gates |
Mar. 13, 2007 |
| 7180115 |
DRAM cell structure with tunnel barrier |
Feb. 20, 2007 |
| 7176078 |
Nonvolatile semiconductor memory device having strap region and fabricating method thereof |
Feb. 13, 2007 |
| 7129130 |
Out of the box vertical transistor for eDRAM on SOI |
Oct. 31, 2006 |
| 7015525 |
Folded bit line DRAM with vertical ultra thin body transistors |
Mar. 21, 2006 |
| 6995057 |
Folded bit line DRAM with vertical ultra thin body transistors |
Feb. 7, 2006 |
| 6995437 |
Semiconductor device with core and periphery regions |
Feb. 7, 2006 |
| 6964895 |
Method of fabricating vertical one-transistor floating-body DRAM cell in bulk CMOS process with electrically isolated charge storage region |
Nov. 15, 2005 |
| 6908811 |
RAM |
Jun. 21, 2005 |
| 6903414 |
Semiconductor memory having channel regions at sides of a trench |
Jun. 7, 2005 |
| 6897531 |
Semiconductor memory device |
May. 24, 2005 |
| 6894336 |
Vertical access transistor with curved channel |
May. 17, 2005 |
| 6890812 |
Method of forming a memory having a vertical transistor |
May. 10, 2005 |
| 6882006 |
Semiconductor device and method of manufacturing the same |
Apr. 19, 2005 |
| 6858891 |
Nanotube semiconductor devices and methods for making the same |
Feb. 22, 2005 |
| 6812091 |
Trench capacitor memory cell |
Nov. 2, 2004 |
| 6806140 |
Semiconductor memory device for eliminating floating body effect and method of fabricating the same |
Oct. 19, 2004 |
| 6798014 |
Semiconductor memory cell and semiconductor component as well as manufacturing methods therefore |
Sep. 28, 2004 |
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