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Class Information
Number: 257/905
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Plural dram cells share common contact or common trench
Description: Subject matter comprising plural dynamic random access memory elements which share an electrical contact or trench.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8643110 Localized biasing for silicon on insulator structures Feb. 4, 2014
8541284 Method of manufacturing string floating gates with air gaps in between Sep. 24, 2013
8482045 Semiconductor memory device having vertical channel transistor and method for fabricating the same Jul. 9, 2013
8471320 Memory layout structure Jun. 25, 2013
8445343 Methods of fabricating semiconductor devices including semiconductor layers formed in stacked insulating layers May. 21, 2013
8405129 Structure for high density stable static random access memory Mar. 26, 2013
8309412 Method for forming semiconductor device with buried gate structure Nov. 13, 2012
8294219 Nonvolatile memory element including resistive switching metal oxide layers Oct. 23, 2012
8217427 High density stable static random access memory Jul. 10, 2012
8143723 Highly integrated and reliable DRAM and its manufacture Mar. 27, 2012
8138605 Multiple layer barrier metal for device component formed in contact trench Mar. 20, 2012
8053831 Semiconductor integrated circuit devices having contacts formed of single-crystal materials Nov. 8, 2011
8030697 Cell structure of semiconductor device having an active region with a concave portion Oct. 4, 2011
7876610 Memory cell array with specific placement of field stoppers Jan. 25, 2011
7816717 Semiconductor memory device Oct. 19, 2010
7777265 Semiconductor device having contact barrier and method of manufacturing the same Aug. 17, 2010
7732816 Semiconductor device Jun. 8, 2010
7723776 Flash memory devices having shared sub active regions May. 25, 2010
7667234 High density memory array having increased channel widths Feb. 23, 2010
7651905 Apparatus and method for reducing gate leakage in deep sub-micron MOS transistors using semi-rectifying contacts Jan. 26, 2010
7649259 Semiconductor device including a plurality of wiring lines Jan. 19, 2010
7595524 Power device with trenches having wider upper portion than lower portion Sep. 29, 2009
7541616 Semiconductor device Jun. 2, 2009
7535045 Checkerboard deep trench dynamic random access memory cell array layout May. 19, 2009
7473953 Method for fabricating metallic bit-line contacts Jan. 6, 2009
7462902 Nonvolatile memory Dec. 9, 2008
7449763 Method of fabricating cell of nonvolatile memory device with floating gate Nov. 11, 2008
7394156 Semiconductor integrated circuit device and method of producing the same Jul. 1, 2008
7355230 Transistor array for semiconductor memory devices and method for fabricating a vertical channel transistor array Apr. 8, 2008
7348640 Memory device Mar. 25, 2008
7339222 Method for determining wordline critical dimension in a memory array and related structure Mar. 4, 2008
7326985 Method for fabricating metallic bit-line contacts Feb. 5, 2008
7298002 Hemispherical silicon grain capacitor with variable grain size Nov. 20, 2007
7268384 Semiconductor substrate having first and second pairs of word lines Sep. 11, 2007
7247902 Semiconductor device and method of manufacturing the same Jul. 24, 2007
7223992 Thermal conducting trench in a semiconductor structure May. 29, 2007
7208794 High-density NROM-FINFET Apr. 24, 2007
7199409 Device for subtracting or adding charge in a charge-coupled device Apr. 3, 2007
7189586 Test key for monitoring gate conductor to deep trench misalignment Mar. 13, 2007
7180121 Semiconductor device and method of manufacturing the same Feb. 20, 2007
7135731 Vertical DRAM and fabrication method thereof Nov. 14, 2006
7126154 Test structure for a single-sided buried strap DRAM memory cell array Oct. 24, 2006
7105881 DRAMS constructions and DRAM devices Sep. 12, 2006
7102184 Image device and photodiode structure Sep. 5, 2006
7091544 Trench capacitor dynamic random access memory featuring structurally independent symmetric active areas Aug. 15, 2006
7034408 Memory device and method of manufacturing a memory device Apr. 25, 2006
7022579 Method for filling via with metal Apr. 4, 2006
6992343 Semiconductor memory device Jan. 31, 2006
6974987 Semiconductor device Dec. 13, 2005
6967348 Signal sharing circuit with microelectric die isolation features Nov. 22, 2005

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