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Class Information
Number: 257/E21.004
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 resistor (epo)
Description: This subclass is indented under subclass E21.003. This subclass is substantially the same in scope as ECLA classification H01L21/02B2.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.005 Active material comprising carbon, e.g., diamond or diamond-like carbon (epo) 13
257/E21.007 Active material comprising organic conducting material, e.g., conducting polymer (epo) 24
257/E21.006 Active material comprising refractory, transition, or noble metal or metal compound, e.g., alloy, silicide, oxide, nitride (epo) 163


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
7611957 Method of manufacturing semiconductor device Nov. 3, 2009
7601602 Trench type buried on-chip precision programmable resistor Oct. 13, 2009
7579251 Aerosol deposition process Aug. 25, 2009
7564078 Tunable semiconductor component provided with a current barrier Jul. 21, 2009
7557429 Semiconductor device with resistor element and dummy active region Jul. 7, 2009
7550819 Metal thin-film resistance element on an insulation film Jun. 23, 2009
7544579 System and method for faceting the corners of a resistor protect layer to reduce vertical step height Jun. 9, 2009
7541253 Method of forming an integrated resistor Jun. 2, 2009
7528032 Method for manufacturing semiconductor device May. 5, 2009
7517770 Method for forming metal line and semiconductor device including the same Apr. 14, 2009
7514334 Thin film plate phase change RAM circuit and manufacturing method Apr. 7, 2009
7510932 Semiconductor devices having a field effect transistor and methods of fabricating the same Mar. 31, 2009
7504312 Stacked electrical resistor pad for optical fiber attachment Mar. 17, 2009
7470618 Semiconductor device including gate electrode for applying tensile stress to silicon substrate, and method of manufacturing the same Dec. 30, 2008
7442603 Self-aligned structure and method for confining a melting point in a resistor random access memory Oct. 28, 2008
7439147 Resistor of semiconductor device and method for fabricating the same Oct. 21, 2008
7432123 Methods of manufacturing high temperature thermistors Oct. 7, 2008
7416951 Thin film resistors integrated at two different metal interconnect levels of single die Aug. 26, 2008
7408249 Packaged integrated circuits and methods of producing thereof Aug. 5, 2008
7387938 Methods of forming phase change storage cells for memory devices Jun. 17, 2008
7372127 Low cost and versatile resistors manufactured from conductive loaded resin-based materials May. 13, 2008
7332402 Method for optically trimming electronic components Feb. 19, 2008
7306999 High voltage sensor device and method therefor Dec. 11, 2007
7306967 Method of forming high temperature thermistors Dec. 11, 2007
7306552 Semiconductor device having load resistor and method of fabricating the same Dec. 11, 2007
7303972 Integrated thin-film resistor with direct contact Dec. 4, 2007
7300807 Structure and method for providing precision passive elements Nov. 27, 2007
7253074 Temperature-compensated resistor and fabrication method therefor Aug. 7, 2007
7247896 Semiconductor devices having a field effect transistor and methods of fabricating the same Jul. 24, 2007
7241663 Maskless multiple sheet polysilicon resistor Jul. 10, 2007
7238582 Semiconductor device and process of producing the same Jul. 3, 2007
7238584 Methods of fabricating integrated circuit devices having resistors with different resistivities therein Jul. 3, 2007
7232751 Semiconductor device and manufacturing method therefor Jun. 19, 2007
7223668 Method of etching metallic thin film on thin film resistor May. 29, 2007
7217981 Tunable temperature coefficient of resistance resistors and method of fabricating same May. 15, 2007
7208388 Thin film resistor head structure and method for reducing head resistivity variance Apr. 24, 2007
7196398 Resistor integration structure and technique for noise elimination Mar. 27, 2007
7183170 Manufacturing method of semiconductor device Feb. 27, 2007
7151038 Semiconductor device having an integral resistance element Dec. 19, 2006
7148116 Semiconductor device with load resistor and fabrication method Dec. 12, 2006
7145234 Circuit carrier and package structure thereof Dec. 5, 2006
7135367 Manufacturing method of semiconductor device Nov. 14, 2006
7122436 Techniques for forming passive devices during semiconductor back-end processing Oct. 17, 2006
7087978 Semiconductor resistor with improved width accuracy Aug. 8, 2006
7071811 High performance voltage control diffusion resistor Jul. 4, 2006
7071052 Resistor with reduced leakage Jul. 4, 2006
7064023 D/A converter circuit, semiconductor device incorporating the D/A converter circuit, and manufacturing method of them Jun. 20, 2006
7064413 Fin-type resistors Jun. 20, 2006
7059859 Manufacturing method of semiconductor device Jun. 13, 2006
7052925 Method for manufacturing self-compensating resistors within an integrated circuit May. 30, 2006

1 2 3 4 5 6 7 8 9 10 11 12


 
 
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