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Class Information
Number: 257/E27.102
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) > Read-only memory, rom, structure (epo)
Description: This subclass is indented under subclass E27.081. This subclass is substantially the same in scope as ECLA classification H01L27/112.










Sub-classes under this class:

Class Number Class Name Patents
257/E27.103 Electrically programmable rom (epo) 3,249


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8704286 Method and structure for integrating capacitor-less memory cell with logic Apr. 22, 2014
8664108 Stacked multilayer structure and manufacturing method thereof Mar. 4, 2014
8604521 Optically controlled read only memory Dec. 10, 2013
8541775 Schottky diode, resistive memory device having schottky diode and method of manufacturing the same Sep. 24, 2013
8497172 Method of manufacturing a read-only memory device with contacts formed therein Jul. 30, 2013
8497544 Repairing defects in a nonvolatile semiconductor memory module utilizing a heating element Jul. 30, 2013
8497582 Nonvolatile semiconductor memory having a word line bent towards a select gate line side Jul. 30, 2013
8492875 Nonvolatile memory element having a tantalum oxide variable resistance layer Jul. 23, 2013
8466519 Read-only memory device with contacts formed therein Jun. 18, 2013
8466509 Semiconductor device having a contact plug connecting to a silicide film formed on a diffusion region of a flash memory cell Jun. 18, 2013
8455923 Embedded NOR flash memory process with NAND cell and true logic compatible low voltage device Jun. 4, 2013
8390076 Semiconductor device and manufacturing method thereof Mar. 5, 2013
8378407 Floating gate inverter type memory cell and array Feb. 19, 2013
8350326 Nonvolatile semiconductor memory device Jan. 8, 2013
8283731 One-time programmable memory Oct. 9, 2012
8278167 Method and structure for integrating capacitor-less memory cell with logic Oct. 2, 2012
8264031 Nonvolatile semiconductor memory device and method for manufacturing same Sep. 11, 2012
8237199 Cell array of semiconductor memory device and a method of forming the same Aug. 7, 2012
8227851 Semiconductor device Jul. 24, 2012
8227873 Integrated one-time programmable semiconductor device pair Jul. 24, 2012
8193573 Repairing defects in a nonvolatile semiconductor memory device utilizing a heating element Jun. 5, 2012
8106463 Memory cells for read only memories Jan. 31, 2012
8063432 Semiconductor device having nitride film between gate insulation film and gate electrode Nov. 22, 2011
8008710 Non-volatile semiconductor storage device Aug. 30, 2011
7986015 Semiconductor device with STI and method for manufacturing the semiconductor device Jul. 26, 2011
7948023 Semiconductor device including nonvolatile memory and method for fabricating the same May. 24, 2011
7928516 Semiconductor storage device and manufacturing method thereof Apr. 19, 2011
7923813 Anti-fuse memory device Apr. 12, 2011
7911005 Dram having deeper source drain region than that of an logic region Mar. 22, 2011
7889557 NAND flash memory device with increased spacing between selection transistors and adjacent memory cells Feb. 15, 2011
7872898 One time programmable read only memory and programming method thereof Jan. 18, 2011
7855457 Stacked multilayer structure and manufacturing method thereof Dec. 21, 2010
7847283 Three-dimensional memory cells Dec. 7, 2010
7833844 Semiconductor device and production method of the same Nov. 16, 2010
7811880 Fabrication of recordable electrical memory Oct. 12, 2010
7808054 OTP memory cell, OTP memory, and method of manufacturing OTP memory cell Oct. 5, 2010
7804133 Semiconductor storage device and manufacturing method thereof Sep. 28, 2010
7795643 Cell array of semiconductor memory device and a method of forming the same Sep. 14, 2010
7777281 Non-volatile transistor memory array incorporating read-only elements with single mask set Aug. 17, 2010
7764541 Method and apparatus for hot carrier programmed one time programmable (OTP) memory Jul. 27, 2010
7728320 Semiconductor memory device and phase change memory device Jun. 1, 2010
7714447 Semiconductor chip arrangement May. 11, 2010
7704825 Method of fabricating memory including diode Apr. 27, 2010
7687377 Method of fabricating phase change memory device Mar. 30, 2010
7687361 Method of fabricating a transistor having a triple channel in a memory device Mar. 30, 2010
7671475 Nonvolatile semiconductor memory having a word line bent towards a select gate line side Mar. 2, 2010
7646069 High density integrated read-only memory (ROM) with reduced access time Jan. 12, 2010
7642156 Three-dimensional flash memory cell Jan. 5, 2010
7626227 Semiconductor device with reduced transistor breakdown voltage for preventing substrate junction currents Dec. 1, 2009
7608480 Method of fabricating a semiconductor device incorporating a semiconductor constructing body and an interconnecting layer which is connected to a ground layer via a vertical conducting portion Oct. 27, 2009

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