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Class Information
Number: 257/E21.012
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 semiconductor device (epo) > Manufacture of two-terminal component for integrated circuit (epo) > Of capacitor (epo) > Formation of electrode (epo) > With increased surface area, e.g., by roughening, texturing (epo)
Description: This subclass is indented under subclass E21.011. This subclass is substantially the same in scope as ECLA classification H01L21/02B3C2.

Sub-classes under this class:

Class Number Class Name Patents
257/E21.014 Having cylindrical, crown, or fin-type shape (epo) 225
257/E21.015 Having horizontal extensions (epo) 57
257/E21.021 Having multilayers, e.g., comprising barrier layer and metal layer (epo) 631
257/E21.018 Having vertical extensions (epo) 338
257/E21.013 With rough surface, e.g., using hemispherical grains (epo) 795

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

Patent Number Title Of Patent Date Issued
8652927 Integration of non-noble DRAM electrode Feb. 18, 2014
8610274 Die structure, die arrangement and method of processing a die Dec. 17, 2013
8574949 Methods of building crystalline silicon solar cells for use in combinatorial screening Nov. 5, 2013
8518773 Method of fabricating semiconductor capacitor Aug. 27, 2013
8492189 Combinatorial screening of transparent conductive oxide materials for solar applications Jul. 23, 2013
8441097 Methods to form memory devices having a capacitor with a recessed electrode May. 14, 2013
8304855 Vertical capacitors formed on semiconducting substrates Nov. 6, 2012
8263427 Combinatorial screening of transparent conductive oxide materials for solar applications Sep. 11, 2012
8253148 Light emitting diode and method for manufacturing the same Aug. 28, 2012
8143698 Semiconductor device Mar. 27, 2012
8129251 Metal-insulator-metal-structured capacitor formed with polysilicon Mar. 6, 2012
8080483 Double gyroid structure nanoporous films and nanowire networks Dec. 20, 2011
8080474 Method for making electrode Dec. 20, 2011
8062950 Method of manufacturing semiconductor device with lower capacitor electrode that includes islands of conductive oxide films arranged on a noble metal film Nov. 22, 2011
7868338 Liquid crystal display array board and method of fabricating the same Jan. 11, 2011
7855087 Floating sheet production apparatus and method Dec. 21, 2010
7838919 Capacitor structure Nov. 23, 2010
7816153 Method and apparatus for producing a dislocation-free crystalline sheet Oct. 19, 2010
7812450 Electrode with nano-sized structures Oct. 12, 2010
7811920 Semiconductor device having a through electrode, semiconductor module employing thereof and method for manufacturing semiconductor device having a through electrode Oct. 12, 2010
7768054 Semiconductor component with integrated capacitance structure and method for fabrication thereof Aug. 3, 2010
7723183 Capacitor having tapered cylindrical storage node and method for manufacturing the same May. 25, 2010
7704883 Annealing to improve edge roughness in semiconductor technology Apr. 27, 2010
7700433 MIM type capacitor Apr. 20, 2010
7656037 Integrated circuit with improved component interconnections Feb. 2, 2010
7642157 Method for enhancing electrode surface area in DRAM cell capacitors Jan. 5, 2010
7611958 Method of making a semiconductor element Nov. 3, 2009
7605048 Method for forming a capacitor having a copper electrode and a high surface area aluminum inner layer Oct. 20, 2009
7598592 Capacitor structure for integrated circuit Oct. 6, 2009
7573121 Method for enhancing electrode surface area in DRAM cell capacitors Aug. 11, 2009
7553748 Semiconductor device and method of manufacturing the same Jun. 30, 2009
7488665 Structurally-stabilized capacitors and method of making of same Feb. 10, 2009
7476612 Method for manufacturing semiconductor device Jan. 13, 2009
7470596 Capacitors having a horizontally folded dielectric layer and methods for manufacturing the same Dec. 30, 2008
7427545 Trench memory cells with buried isolation collars, and methods of fabricating same Sep. 23, 2008
7408216 Device, system, and method for a trench capacitor having micro-roughened semiconductor surfaces Aug. 5, 2008
7405418 Memory device electrode with a surface structure Jul. 29, 2008
7354823 Methods of forming integrated circuit devices having carbon nanotube electrodes therein Apr. 8, 2008
7341906 Method of manufacturing sidewall spacers on a memory device, and device comprising same Mar. 11, 2008
7322098 Method of simultaneous two-disk processing of single-sided magnetic recording disks Jan. 29, 2008
7276412 MIM capacitor of semiconductor device and manufacturing method thereof Oct. 2, 2007
7253102 Methods for forming and integrated circuit structures containing enhanced-surface-area conductive layers Aug. 7, 2007
7247177 Production method for electric double-layer capacitor Jul. 24, 2007
7112505 Method of selectively etching HSG layer in deep trench capacitor fabrication Sep. 26, 2006
7060615 Methods of forming roughened layers of platinum Jun. 13, 2006
7022581 Interdigitaded capacitors Apr. 4, 2006
6975500 Capacitor having improved electrodes Dec. 13, 2005
6963122 Capacitor structure and automated design flow for incorporating same Nov. 8, 2005
6933552 High surface area capacitors and intermediate storage poly structures formed during fabrication thereof Aug. 23, 2005
6924969 Silicon nanocrystal capacitor and process for forming same Aug. 2, 2005

1 2 3 4 5 6 7 8

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