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Class Information
Number: 257/E21.655
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) > With subsequent division of substrate into plural individual devices (epo) > To produce devices each consisting of plurality of components, e.g., integrated circuits (epo) > Substrate being semiconductor, using silicon technology (epo) > Field-effect technology (epo) > Mis technology (epo) > Dynamic random access memory structures (dram) (epo) > Characterized by type of capacitor (epo) > Characterized by type of transistor; manufacturing of transistor (epo) > Transistor in u- or v-shaped trench in substrate (epo)
Description: This subclass is indented under subclass E21.654. This subclass is substantially the same in scope as ECLA classification H01L21/8242C2.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615493 |
Method for forming alignment mark |
Nov. 10, 2009 |
| 7608511 |
Fabrication method of trenched power MOSFET with low gate impedance |
Oct. 27, 2009 |
| 7605092 |
Passive elements, articles, packages, semiconductor composites, and methods of manufacturing same |
Oct. 20, 2009 |
| 7592218 |
Methods of forming vertical transistors |
Sep. 22, 2009 |
| 7592233 |
Method for forming a memory device with a recessed gate |
Sep. 22, 2009 |
| 7589369 |
Semiconductor constructions |
Sep. 15, 2009 |
| 7579273 |
Method of manufacturing a photodiode array with through-wafer vias |
Aug. 25, 2009 |
| 7563677 |
Recessed gate electrode and method of forming the same and semiconductor device having the recessed gate electrode and method of manufacturing the same |
Jul. 21, 2009 |
| 7563683 |
Transistor and method of fabricating the same |
Jul. 21, 2009 |
| 7547604 |
Method of forming a recessed gate structure on a substrate having insulating columns and removing said insulating columns after forming a conductive region of the gate structure |
Jun. 16, 2009 |
| 7541300 |
Silicon carbide semiconductor device and method for manufacturing the same |
Jun. 2, 2009 |
| 7524774 |
Manufacturing method of semiconductor device, semiconductor manufacturing apparatus, plasma nitridation method, computer recording medium, and program |
Apr. 28, 2009 |
| 7504303 |
Trench-gate field effect transistors and methods of forming the same |
Mar. 17, 2009 |
| 7494865 |
Fabrication method of metal oxide semiconductor transistor |
Feb. 24, 2009 |
| 7482229 |
DRAM cells with vertical transistors |
Jan. 27, 2009 |
| 7473603 |
Method for forming a shielded gate trench FET with the shield and gate electrodes being connected together |
Jan. 6, 2009 |
| 7470552 |
Method for production of MRAM elements |
Dec. 30, 2008 |
| 7462544 |
Methods for fabricating transistors having trench gates |
Dec. 9, 2008 |
| 7439579 |
Power semiconductor with functional element guide structure |
Oct. 21, 2008 |
| 7419871 |
Methods of forming semiconductor constructions |
Sep. 2, 2008 |
| 7419878 |
Planarized and silicided trench contact |
Sep. 2, 2008 |
| 7416948 |
Trench FET with improved body to gate alignment |
Aug. 26, 2008 |
| 7414279 |
Semiconductor device with improved overlay margin and method of manufacturing the same |
Aug. 19, 2008 |
| 7402487 |
Process for fabricating a semiconductor device having deep trench structures |
Jul. 22, 2008 |
| 7399673 |
Method of forming a charge-trapping memory device |
Jul. 15, 2008 |
| 7387931 |
Semiconductor memory device with vertical channel transistor and method of fabricating the same |
Jun. 17, 2008 |
| 7368776 |
Semiconductor device comprising a highly-reliable, constant capacitance capacitor |
May. 6, 2008 |
| 7361537 |
Method of fabricating recess channel array transistor |
Apr. 22, 2008 |
| 7344954 |
Method of manufacturing a capacitor deep trench and of etching a deep trench opening |
Mar. 18, 2008 |
| 7320919 |
Method for fabricating semiconductor device with metal-polycide gate and recessed channel |
Jan. 22, 2008 |
| 7309634 |
Non-volatile semiconductor memory devices using prominences and trenches |
Dec. 18, 2007 |
| 7306993 |
Method for fabricating semiconductor device with recessed channel |
Dec. 11, 2007 |
| 7297596 |
Method of manufacturing a semiconductor device having a switching function |
Nov. 20, 2007 |
| 7294879 |
Vertical MOSFET with dual work function materials |
Nov. 13, 2007 |
| 7276410 |
Semiconductor device with omega gate and method for fabricating a semiconductor device |
Oct. 2, 2007 |
| 7276753 |
Dynamic random access memory cell and fabricating method thereof |
Oct. 2, 2007 |
| 7276752 |
Methods of forming integrated circuits, and DRAM circuitry memory cells |
Oct. 2, 2007 |
| 7241658 |
Vertical gain cell |
Jul. 10, 2007 |
| 7238573 |
Method for fabricating a trench transistor of semiconductor device |
Jul. 3, 2007 |
| 7220640 |
Method of fabricating recess transistor in integrated circuit device and recess transistor in integrated circuit device fabricated by the same |
May. 22, 2007 |
| 7157378 |
Method for making a semiconductor device having a high-k gate dielectric layer and a metal gate electrode |
Jan. 2, 2007 |
| 7087950 |
Flash memory cell, flash memory device and manufacturing method thereof |
Aug. 8, 2006 |
| 7067372 |
Method for fabricating a memory cell having a trench |
Jun. 27, 2006 |
| 7042040 |
Semiconductor device and method for manufacturing the same |
May. 9, 2006 |
| 7034358 |
Vertical transistor, and a method for producing a vertical transistor |
Apr. 25, 2006 |
| 7034336 |
Capacitorless 1-transistor DRAM cell and fabrication method |
Apr. 25, 2006 |
| 7026647 |
Device and method for detecting alignment of active areas and memory cell structures in DRAM devices |
Apr. 11, 2006 |
| 7015525 |
Folded bit line DRAM with vertical ultra thin body transistors |
Mar. 21, 2006 |
| 7015543 |
Trench-gate semiconductor device and fabrication method thereof |
Mar. 21, 2006 |
| 7009869 |
Dynamic memory cell |
Mar. 7, 2006 |
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