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Class Information
Number: 257/E29.134
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrodes (epo) > Characterized by their shape, relative sizes or dispositions (epo) > Not carrying current to be rectified, amplified, or switched (epo) > Gate stack for field-effect devices (epo) > For field-effect transistors (epo) > With insulated gate (epo) > Characterized by configuration of gate electrode layer (epo)
Description: This subclass is indented under subclass E29.128. This subclass is substantially the same in scope as ECLA classification H01L29/423D2B7.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.135 Characterized by length or sectional shape (epo) 438
257/E29.136 Characterized by surface lay-out (epo) 327


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8633535 Nonvolatile semiconductor memory Jan. 21, 2014
8614467 Method of gate work function adjustment and metal gate transistor Dec. 24, 2013
8581350 Field effect transistor and semiconductor device, and method for manufacturing same Nov. 12, 2013
8421188 Semiconductor device including a guard ring surrounding an inductor Apr. 16, 2013
8390032 Depletion mode field effect transistor for ESD protection Mar. 5, 2013
8330143 Semiconductor nanowire transistor Dec. 11, 2012
8309411 Semiconductor device and method of fabricating the same Nov. 13, 2012
8310012 Semiconductor device having metal gate and manufacturing method thereof Nov. 13, 2012
8288823 Double-gate transistor structure equipped with a multi-branch channel Oct. 16, 2012
8269221 Structure and method for thin film device Sep. 18, 2012
8264002 Field-effect transistor Sep. 11, 2012
8241928 Test structure and method for detecting charge effects during semiconductor processing Aug. 14, 2012
8217456 Low capacitance hi-K dual work function metal gate body-contacted field effect transistor Jul. 10, 2012
8202772 Vertical junction field effect transistors having sloped sidewalls and methods of making Jun. 19, 2012
8183116 Method of manufacturing a double gate transistor May. 22, 2012
8174064 Semiconductor device and method for forming the same May. 8, 2012
8158982 Polysilicon thin film transistor device with gate electrode thinner than gate line Apr. 17, 2012
8138544 Castellated gate MOSFET tetrode capable of fully-depleted operation Mar. 20, 2012
8115264 Semiconductor device having a metal gate with a low sheet resistance and method of fabricating metal gate of the same Feb. 14, 2012
8093658 Electronic device with asymmetric gate strain Jan. 10, 2012
8049275 Semiconductor device Nov. 1, 2011
8039907 Semiconductor device and method for fabricating the same Oct. 18, 2011
8035163 Low-cost double-structure substrates and methods for their manufacture Oct. 11, 2011
8013384 Method for manufacturing a high integration density power MOS device Sep. 6, 2011
8008705 Semiconductor storage device and method of manufacturing same Aug. 30, 2011
7999386 Semiconductor device including a guard ring surrounding an inductor Aug. 16, 2011
7964922 Structure, design structure and method of manufacturing dual metal gate VT roll-up structure Jun. 21, 2011
7964459 Non-volatile memory structure and method of fabrication Jun. 21, 2011
7939895 Semiconductor device with forwardly tapered P-type FET gate electrode and reversely tapered N-type FET gate electrode and method of manufacturing same May. 10, 2011
7910957 Semiconductor device Mar. 22, 2011
7893476 Tunnel effect transistors based on silicon nanowires Feb. 22, 2011
7888743 Substrate backgate for trigate FET Feb. 15, 2011
7871915 Method for forming metal gates in a gate last process Jan. 18, 2011
7851851 Three dimensional NAND memory Dec. 14, 2010
7847367 Semiconductor devices having a gate electrode and methods of fabricating the same Dec. 7, 2010
7824977 Completely decoupled high voltage and low voltage transistor manufacturing processes Nov. 2, 2010
7816707 Field-effect transistor with nitride semiconductor and method for fabricating the same Oct. 19, 2010
7795690 Thin film transistor substrate and method of fabricating the same Sep. 14, 2010
7732853 Multi-bit nonvolatile memory devices including nano-crystals and trench Jun. 8, 2010
7709907 ESD structure May. 4, 2010
7696570 Transistors of semiconductor device having channel region in a channel-portion hole and methods of forming the same Apr. 13, 2010
7687388 Method of fabricating semiconductor high-voltage device comprising the steps of using photolithographic processes to form nitride spacer regions and dry etch process to form deep trench region Mar. 30, 2010
7687879 Intermediate semiconductor device structure Mar. 30, 2010
7671419 Transistor having coupling-preventing electrode layer, fabricating method thereof, and image sensor having the same Mar. 2, 2010
7656049 CMOS device with asymmetric gate strain Feb. 2, 2010
7638850 Non-volatile memory structure and method of fabrication Dec. 29, 2009
7622755 Primitive cell that is robust against ESD Nov. 24, 2009
7619281 Semiconductor device having buried gate line and method of fabricating the same Nov. 17, 2009
7579660 Semiconductor device and manufacturing method thereof Aug. 25, 2009
7569887 C-shaped dummy gate electrode semiconductor device and method of manufacturing the same Aug. 4, 2009

1 2 3










 
 
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