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Class Information
Number: 257/E21.657
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 data lines (epo) > Making bit line (epo)
Description: This subclass is indented under subclass E21.656. This subclass is substantially the same in scope as ECLA classification H01L21/8242D2.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704284 Semiconductor device having bit line expanding islands Apr. 22, 2014
8674420 Semiconductor devices including buried gate electrodes and methods of forming semiconductor devices including buried gate electrodes Mar. 18, 2014
8603892 Method of manufacturing a semiconductor device Dec. 10, 2013
8546220 Method for fabricating buried bit lines Oct. 1, 2013
8518788 Methods of forming a plurality of capacitors Aug. 27, 2013
8507980 Semiconductor devices having bit line interconnections with increased width and reduced distance from corresponding bit line contacts and methods of fabricating such devices Aug. 13, 2013
8507971 Apparatus and method for a memory array with shallow trench isolation regions between bit lines for increased process margins Aug. 13, 2013
8502291 Memory cells, memory cell constructions, and memory cell programming methods Aug. 6, 2013
8470673 Method of fabricating semiconductor device with buried bit line Jun. 25, 2013
8405089 Semiconductor memory device and manufacturing method thereof Mar. 26, 2013
8324056 Vertical type semiconductor device and method of manufacturing a vertical type semiconductor device Dec. 4, 2012
8247860 Nonvolatile semiconductor memory device and method for manufacturing same Aug. 21, 2012
8216897 Method for manufacturing a capacitor of a semiconductor device Jul. 10, 2012
8154102 Semiconductor device and manufacturing method thereof Apr. 10, 2012
8134194 Memory cells, memory cell constructions, and memory cell programming methods Mar. 13, 2012
8129244 Method for fabricating semiconductor device Mar. 6, 2012
8119512 Method for fabricating semiconductor device with damascene bit line Feb. 21, 2012
8093662 Semiconductor memory Jan. 10, 2012
8063441 Vertical type semiconductor device Nov. 22, 2011
8053360 Semiconductor device and method of manufacturing the same Nov. 8, 2011
8039896 Semiconductor memory device with vertical channel formed on semiconductor pillars Oct. 18, 2011
8034684 Semiconductor device with improved overlay margin and method of manufacturing the same Oct. 11, 2011
7972948 Method for forming bit lines for semiconductor devices Jul. 5, 2011
7968419 Back-to-back metal/semiconductor/metal (MSM) Schottky diode Jun. 28, 2011
7951675 SI trench between bitline HDP for BVDSS improvement May. 31, 2011
7935998 Self-aligned body contact for a semiconductor-on-insulator trench device and method of fabricating same May. 3, 2011
7932168 Method for fabricating bitline in semiconductor device Apr. 26, 2011
7927945 Method for manufacturing semiconductor device having 4F2 transistor Apr. 19, 2011
7919377 Contactless flash memory array Apr. 5, 2011
7911011 Methods of fabricating electromechanical non-volatile memory devices Mar. 22, 2011
7910986 Semiconductor memory device and data processing system Mar. 22, 2011
7847363 Semiconductor memory Dec. 7, 2010
7838342 Memory device and method Nov. 23, 2010
7833841 Semiconductor apparatus and method for manufacturing the same Nov. 16, 2010
7833879 Low temperature hermetic bonding at water level and method of bonding for micro display application Nov. 16, 2010
7821058 Nonvolatile semiconductor memory and method for manufacturing the same Oct. 26, 2010
7811915 Method for forming bit lines for semiconductor devices Oct. 12, 2010
7812399 Semiconductor device comprising multi-layer rectangular gate electrode surrounded on four sides by sidewall spacer and implantation regions Oct. 12, 2010
7781298 Methods for fabricating a capacitor Aug. 24, 2010
7763542 Semiconductor memory device and method of fabricating the same Jul. 27, 2010
7732279 Semiconductor device with improved overlay margin and method of manufacturing the same Jun. 8, 2010
7709299 Hierarchical 2T-DRAM with self-timed sensing May. 4, 2010
7638827 Semiconductor memory device Dec. 29, 2009
7632736 Self-aligned contact formation utilizing sacrificial polysilicon Dec. 15, 2009
7608514 MSM binary switch memory Oct. 27, 2009
7575992 Method of forming micro patterns in semiconductor devices Aug. 18, 2009
7544616 Methods of forming nitride read only memory and word lines thereof Jun. 9, 2009
7501655 Thin film transistor array panel Mar. 10, 2009
7446010 Metal/semiconductor/metal (MSM) back-to-back Schottky diode Nov. 4, 2008
7432178 Bit line implant Oct. 7, 2008

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