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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) |
8 |
| 257/E21.007 |
Active material comprising organic conducting material, e.g., conducting polymer (epo) |
14 |
| 257/E21.006 |
Active material comprising refractory, transition, or noble metal or metal compound, e.g., alloy, silicide, oxide, nitride (epo) |
140 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7306967 |
Method of forming high temperature thermistors |
Dec. 11, 2007 |
| 7306999 |
High voltage sensor device and method therefor |
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 |
| 7071052 |
Resistor with reduced leakage |
Jul. 4, 2006 |
| 7071811 |
High performance voltage control diffusion resistor |
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 |
| 7054180 |
Method and circuit for adjusting a resistance in an integrated circuit |
May. 30, 2006 |
| 7053463 |
High-voltage integrated vertical resistor and manufacturing process thereof |
May. 30, 2006 |
| 7052925 |
Method for manufacturing self-compensating resistors within an integrated circuit |
May. 30, 2006 |
| 7045865 |
Semiconductor device with resistor elements formed on insulating film |
May. 16, 2006 |
| 7039888 |
Modeling process for integrated circuit film resistors |
May. 2, 2006 |
| 7034653 |
Semiconductor resistor |
Apr. 25, 2006 |
| 7030728 |
Layout and method to improve mixed-mode resistor performance |
Apr. 18, 2006 |
| 7026206 |
Method of making resistive element having a stable contact resistance |
Apr. 11, 2006 |
| 7022246 |
Method of fabrication of MIMCAP and resistor at same level |
Apr. 4, 2006 |
| 7011999 |
Method of manufacturing an integrated circuit device including forming an oxidation resistant film over an isolation region and subsequently forming a gate insulating film of a misfet |
Mar. 14, 2006 |
| 7002235 |
Semiconductor device |
Feb. 21, 2006 |
| 6989310 |
Process and installation for doping an etched pattern of resistive elements |
Jan. 24, 2006 |
| 6979637 |
Method and structure for controlling surface properties of dielectric layers in a thin film component for improved trimming |
Dec. 27, 2005 |
| 6965165 |
Top layers of metal for high performance IC's |
Nov. 15, 2005 |
| 6960979 |
Low temperature coefficient resistor |
Nov. 1, 2005 |
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