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Class Information
Number: 257/E21.647
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)
Description: This subclass is indented under subclass E21.646. This subclass is substantially the same in scope as ECLA classification H01L21/8242B.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.648 Capacitor stacked over transfer transis tor (epo) 1,993
257/E21.656 Characterized by data lines (epo) 132
257/E21.654 Characterized by type of transistor; manufacturing of transistor (epo) 665
257/E21.66 Simultaneous fabrication of periphery and memory cells (epo) 825


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8691704 Methods for forming semiconductor constructions, and methods for selectively etching silicon nitride relative to conductive material Apr. 8, 2014
8669156 Method of manufacturing semiconductor circuit device Mar. 11, 2014
8648403 Dynamic memory cell structures Feb. 11, 2014
8617949 Capacitor and method for making same Dec. 31, 2013
8604532 Computing apparatus employing dynamic memory cell structures Dec. 10, 2013
8603876 Dynamic memory cell methods Dec. 10, 2013
8587046 System with logic and embedded MIM capacitor Nov. 19, 2013
8580648 Capacitor having an electrode structure, method of manufacturing a capacitor having an electrode structure and semiconductor device having an electrode structure Nov. 12, 2013
8518793 Oxygen diffusion barrier comprising Ru Aug. 27, 2013
8466517 Capacitorless DRAM on bulk silicon Jun. 18, 2013
8435854 Top electrode templating for DRAM capacitor May. 7, 2013
8426321 Weak-link capacitor Apr. 23, 2013
8420476 Integrated circuit with finFETs and MIM fin capacitor Apr. 16, 2013
8415249 Method of manufacturing semiconductor device Apr. 9, 2013
8410534 Integrated circuit structures with silicon germanium film incorporated as local interconnect and/or contact Apr. 2, 2013
8354675 Enhanced capacitance deep trench capacitor for EDRAM Jan. 15, 2013
8252641 Memory embedded logic semiconductor device having memory region and logic circuit region Aug. 28, 2012
8247289 Capacitor and manufacturing method thereof Aug. 21, 2012
8203176 Dielectric, capacitor using dielectric, semiconductor device using dielectric, and manufacturing method of dielectric Jun. 19, 2012
8198126 Method for producing solid electrolytic capacitor Jun. 12, 2012
8129772 Integrated circuit structures with silicon germanium film incorporated as local interconnect and/or contact Mar. 6, 2012
8076248 Methods for forming semiconductor constructions, and methods for selectively etching silicon nitride relative to conductive material Dec. 13, 2011
8071440 Method of fabricating a dynamic random access memory Dec. 6, 2011
8003971 Integrated circuit including memory element doped with dielectric material Aug. 23, 2011
7999350 Electrode structure of memory capacitor Aug. 16, 2011
7989284 DRAM cell transistor device and method Aug. 2, 2011
7989865 Deep trench capacitor for SOI CMOS devices for soft error immunity Aug. 2, 2011
7960226 Method of forming on-chip decoupling capacitor with bottom electrode layer having surface roughness Jun. 14, 2011
7955945 Weak-link capacitor Jun. 7, 2011
7919802 MIM capacitor structure and fabricating method thereof Apr. 5, 2011
7871884 Manufacturing method of dynamic random access memory Jan. 18, 2011
7846808 Method for manufacturing a semiconductor capacitor Dec. 7, 2010
7829410 Methods of forming capacitors, and methods of forming DRAM arrays Nov. 9, 2010
7825043 Method for fabricating capacitor in semiconductor device Nov. 2, 2010
7799653 Method for forming capacitor in dynamic random access memory Sep. 21, 2010
7799633 Semiconductor device and method of manufacturing the same Sep. 21, 2010
7799580 Method for manufacturing ferroelectric memory device Sep. 21, 2010
7786521 Semiconductor device with dielectric structure and method for fabricating the same Aug. 31, 2010
7781346 Methods of forming patterns and capacitors for semiconductor devices using the same Aug. 24, 2010
7759190 Memory device and fabrication method thereof Jul. 20, 2010
7713881 Process sequence for doped silicon fill of deep trenches May. 11, 2010
7679124 Analog capacitor and method of manufacturing the same Mar. 16, 2010
7666752 Deposition method for a transition-metal-containing dielectric Feb. 23, 2010
7666797 Methods for forming semiconductor constructions, and methods for selectively etching silicon nitride relative to conductive material Feb. 23, 2010
7659568 Monolithic ceramic capacitor and method for adjusting equivalent series resistance thereof Feb. 9, 2010
7638391 Semiconductor memory device and fabrication method thereof Dec. 29, 2009
7622307 Semiconductor devices having a planarized insulating layer and methods of forming the same Nov. 24, 2009
7615493 Method for forming alignment mark Nov. 10, 2009
7608517 Method for forming capacitor of semiconductor device Oct. 27, 2009
7585723 Method for fabricating capacitor Sep. 8, 2009

1 2 3 4 5 6 7 8










 
 
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