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Class Information
Number: 257/E21.656
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)
Description: This subclass is indented under subclass E21.646. This subclass is substantially the same in scope as ECLA classification H01L21/8242D.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.657 Making bit line (epo) 310
257/E21.658 Making bit line contact (epo) 443
257/E21.659 Making word line (epo) 163


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7074669 Semiconductor integrated circuit device with capacitor of crown structure and method of manufacturing the same Jul. 11, 2006
7057224 Semiconductor memory having an arrangement of memory cells Jun. 6, 2006
7002866 Semiconductor memory device Feb. 21, 2006
6977421 Semiconductor constructions Dec. 20, 2005
6974993 Double-sided capacitor structure for a semiconductor device and a method for forming the structure Dec. 13, 2005
6974987 Semiconductor device Dec. 13, 2005
6965140 Semiconductor device including storage capacitor Nov. 15, 2005
6958505 Integrated circuit including active components and at least one passive component associated fabrication method Oct. 25, 2005
6955959 Method of making a memory structure having a multilayered contact and a storage capacitor with a composite dielectric layer of crystalized niobium pentoxide and tantalum pentoxide films Oct. 18, 2005
6949429 Semiconductor memory device and method for manufacturing the same Sep. 27, 2005
6943076 Semiconductor device and method of manufacturing the same Sep. 13, 2005
6934206 Test structure for detecting bridging of DRAM capacitors Aug. 23, 2005
6930324 Device architecture and process for improved vertical memory arrays Aug. 16, 2005
6924193 Capacitor Aug. 2, 2005
6900546 Semiconductor memory device and method for manufacturing the same May. 31, 2005
6898109 Semiconductor memory device in which bit lines connected to dynamic memory cells extend left and right of sense amplifier column May. 24, 2005
6893915 Semiconductor device having barrier layer between ruthenium layer and metal layer and method for manufacturing the same May. 17, 2005
6887720 Ferroelectric memory device and method of forming the same May. 3, 2005
6852628 Method of insulating interconnects, and memory cell array with insulated interconnects Feb. 8, 2005
6849387 Method for integrating copper process and MIM capacitor for embedded DRAM Feb. 1, 2005
6833577 Semiconductor device Dec. 21, 2004
6826069 Interleaved wordline architecture Nov. 30, 2004
6806123 Methods of forming isolation regions associated with semiconductor constructions Oct. 19, 2004
6794247 Method of fabricating a semiconductor memory device having resistor Sep. 21, 2004
6791132 Memory semiconductor device with reduced sense amplifier area Sep. 14, 2004
6790725 Double-sided capacitor structure for a semiconductor device and a method for forming the structure Sep. 14, 2004
6787472 Utilization of disappearing silicon hard mask for fabrication of semiconductor structures Sep. 7, 2004
6788552 Method and apparatus for reducing substrate bias voltage drop Sep. 7, 2004
6784026 Microelectronic die including low RC under-layer interconnects Aug. 31, 2004
6781181 Layout of a folded bitline DRAM with a borderless bitline Aug. 24, 2004
6777735 Semiconductor memory device having a metal plug or a landing pad Aug. 17, 2004
6770973 Semiconductor apparatus including a multi-layer wiring configuration and manufacturing method therefor Aug. 3, 2004
6770930 Semiconductor device having MIM structure capacitor Aug. 3, 2004
6768663 Semiconductor device array having dense memory cell array and hierarchical bit line scheme Jul. 27, 2004
6734060 Semiconductor integrated circuit device and process for manufacturing May. 11, 2004
6727542 Semiconductor memory device and method for manufacturing the same Apr. 27, 2004
6717196 Ferroelectric memory device Apr. 6, 2004
6716679 Methods of forming fuse box guard rings for integrated circuit devices Apr. 6, 2004
6690054 Capacitor Feb. 10, 2004
6689693 Methods for utilization of disappearing silicon hard mask for fabrication of semiconductor structures Feb. 10, 2004
6687146 Interleaved wordline architecture Feb. 3, 2004
6680501 Semiconductor device Jan. 20, 2004
6674111 Semiconductor device having a logic transistor therein Jan. 6, 2004
6661700 Semiconductor memory device Dec. 9, 2003
6645842 Semiconductor integrated circuit device, semiconductor integrated circuit wiring method, and cell arranging method Nov. 11, 2003
6642135 Method for forming semiconductor memory device having a fuse Nov. 4, 2003
6639263 Semiconductor device with copper wiring connected to storage capacitor Oct. 28, 2003
6638817 Method for fabricating dram cell array not requiring a device isolation layer between cells Oct. 28, 2003
6635515 Method of manufacturing a semiconductor device having signal line above main ground or main VDD line Oct. 21, 2003
6624515 Microelectronic die including low RC under-layer interconnects Sep. 23, 2003

1 2 3


 
 
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