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Class Information
Number: 257/390
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Insulated gate field effect transistor in integrated circuit > Matrix or array of field effect transistors (e.g., array of fets only some of which are completed, or structure for mask programmed read-only memory (rom))
Description: Subject matter wherein the integrated circuit contains a two dimensional array of IGFETs, only some of which are completed devices, or the integrated circuit contains structure for a mask programmed read-only memory device.

Sub-classes under this class:

Class Number Class Name Patents
257/391 Selected groups of complete field effect devices having different threshold voltages (e.g., different channel dopant concentrations) 417

Patents under this class:

Patent Number Title Of Patent Date Issued
8709894 3D structured memory devices and methods for manufacturing thereof Apr. 29, 2014
8703556 Method of making a FinFET device Apr. 22, 2014
8692336 Semiconductor device Apr. 8, 2014
8692317 Semiconductor storage device Apr. 8, 2014
8674232 Device-embedded flexible printed circuit board and manufacturing method thereof Mar. 18, 2014
8669622 Non-volatile semiconductor devices and methods of manufacturing non-volatile semiconductor devices Mar. 11, 2014
8659094 Array substrate for liquid crystal display device and method of fabricating the same Feb. 25, 2014
8659032 FinFET and method of fabricating the same Feb. 25, 2014
8659028 Three-dimensional memory device incorporating segmented array line memory array Feb. 25, 2014
8654592 Memory devices with isolation structures Feb. 18, 2014
8653578 Semiconductor device comprising string structures formed on active region Feb. 18, 2014
8653565 Mixed mode multiple switch integration of multiple compound semiconductor FET devices Feb. 18, 2014
8648426 Tunneling transistors Feb. 11, 2014
8647938 SRAM integrated circuits with buried saddle-shaped FINFET and methods for their fabrication Feb. 11, 2014
8637870 Three-dimensional memory device incorporating segmented array line memory array Jan. 28, 2014
8637358 Field-effect-transistor with self-aligned diffusion contact Jan. 28, 2014
8633526 Nonvolatile semiconductor memory device and method for manufacturing same Jan. 21, 2014
8624331 Non-volatile memory devices, methods of manufacturing and methods of operating the same Jan. 7, 2014
8618614 Continuous mesh three dimensional non-volatile storage with vertical select devices Dec. 31, 2013
8618591 Semiconductor device comprising pillar array and contact array Dec. 31, 2013
8604557 Semiconductor memory device and method for manufacturing Dec. 10, 2013
8604547 Memory element and semiconductor device Dec. 10, 2013
8587051 Nonvolatile semiconductor memory device Nov. 19, 2013
8569803 BEOL compatible FET structrure Oct. 29, 2013
8564070 Large bit-per-cell three-dimensional mask-programmable read-only memory Oct. 22, 2013
8558283 Semiconductor device including dummy Oct. 15, 2013
8546889 Semiconductor device and driving circuit Oct. 1, 2013
8546888 Isolation regions Oct. 1, 2013
8546251 Compact read only memory cell Oct. 1, 2013
8542513 Arrays of vertically stacked tiers of non-volatile cross point memory cells, methods of forming arrays of vertically stacked tiers of non-volatile cross point memory cells, and methods of read Sep. 24, 2013
8530943 Semiconductor device Sep. 10, 2013
8513716 Semiconductor device Aug. 20, 2013
8513715 Semiconductor device Aug. 20, 2013
8507997 Mask read-only memory having a fake select transistor Aug. 13, 2013
8507966 Semiconductor cells, arrays, devices and systems having a buried conductive line and methods for forming the same Aug. 13, 2013
8502322 Nonvolatile memory device and manufacturing method thereof Aug. 6, 2013
8502229 Array substrate for display device and method of fabricating the same Aug. 6, 2013
8497555 Vertical memory devices including indium and/or gallium channel doping Jul. 30, 2013
8497172 Method of manufacturing a read-only memory device with contacts formed therein Jul. 30, 2013
8492875 Nonvolatile memory element having a tantalum oxide variable resistance layer Jul. 23, 2013
8492828 Vertical-type non-volatile memory devices Jul. 23, 2013
8476715 Semiconductor device and method of fabricating the same Jul. 2, 2013
8476708 Semiconductor memory device having a circuit formed on a single crystal semiconductor layer with varied germanium concentration Jul. 2, 2013
8476694 Memory cell, memory device and method for manufacturing memory cell Jul. 2, 2013
8476614 Memory device and fabrication process thereof Jul. 2, 2013
8471320 Memory layout structure Jun. 25, 2013
8466519 Read-only memory device with contacts formed therein Jun. 18, 2013
8461005 Method of manufacturing doping patterns Jun. 11, 2013
8455955 Transistor array with shared body contact and method of manufacturing Jun. 4, 2013
8455923 Embedded NOR flash memory process with NAND cell and true logic compatible low voltage device Jun. 4, 2013

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