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Class Information
Number: 257/E21.532
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)
Description: This subclass is indented under subclass E21.001. This subclass is substantially the same in scope as ECLA classification H01L21/70.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.533 Of thick- or thin-film circuits or parts thereof (epo) 56
257/E21.536 Manufacture of specific parts of devices (epo) 72
257/E21.598 Manufacture or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) 88
257/E21.705 Assembly of devices consisting of solid-state components formed in or on a common substrate; assembly of integrated circuit devices (epo) 725


Patents under this class:
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Patent Number Title Of Patent Date Issued
8647945 Method of forming substrate contact for semiconductor on insulator (SOI) substrate Feb. 11, 2014
8637862 Device housing and method for making the same Jan. 28, 2014
8598682 Memory device having an integrated two-terminal current limiting resistor Dec. 3, 2013
8592107 Method and apparatus of providing overlay Nov. 26, 2013
8563366 Memory device having an integrated two-terminal current limiting resistor Oct. 22, 2013
8551830 Semiconductor integrated circuit switch matrix Oct. 8, 2013
8492884 Stacked interposer leadframes Jul. 23, 2013
8426235 Method for manufacturing capacitive electromechanical transducer Apr. 23, 2013
8420453 Method of forming active region structure Apr. 16, 2013
8373236 Semiconductor device and method of manufacturing such a device Feb. 12, 2013
8362574 Faceted EPI shape and half-wrap around silicide in S/D merged FinFET Jan. 29, 2013
8329360 Method and apparatus of providing overlay Dec. 11, 2012
8299613 Method for connecting two joining surfaces Oct. 30, 2012
8278746 Semiconductor device packages including connecting elements Oct. 2, 2012
8268674 Semiconductor device and method for manufacturing the same Sep. 18, 2012
8242007 Semiconductor device formed using single polysilicon process and method of fabricating the same Aug. 14, 2012
8232603 Gated diode structure and method including relaxed liner Jul. 31, 2012
8120164 Semiconductor chip package, printed circuit board assembly including the same and manufacturing methods thereof Feb. 21, 2012
8093085 Method of forming suspension object on monolithic substrate Jan. 10, 2012
8084310 Self-aligned multi-patterning for advanced critical dimension contacts Dec. 27, 2011
8084851 Side stacking apparatus and method Dec. 27, 2011
8071454 Method for manufacturing dielectric isolation type semiconductor device Dec. 6, 2011
8058160 Method of forming nonvolatile memory device Nov. 15, 2011
8053287 Method for making multi-step photodiode junction structure for backside illuminated sensor Nov. 8, 2011
8049221 Liquid crystal display device Nov. 1, 2011
8044420 Light emitting diode package structure Oct. 25, 2011
8035180 Image sensor and method for manufacturing the same Oct. 11, 2011
8021933 Integrated circuit including structures arranged at different densities and method of forming the same Sep. 20, 2011
7993946 Thin film transistor panel and manufacturing method thereof Aug. 9, 2011
7982228 Semiconductor color-tunable broadband light sources and full-color microdisplays Jul. 19, 2011
7968891 Organic light emitting display and fabrication method of the same Jun. 28, 2011
7968974 Scribe seal connection Jun. 28, 2011
7964933 Integrated circuit including power diode Jun. 21, 2011
7955885 Methods of forming packaged micro-electromechanical devices Jun. 7, 2011
7955952 Crackstop structures and methods of making same Jun. 7, 2011
7939923 Memory card and method for manufacturing memory card May. 10, 2011
7935552 Ink composition and method of fabricating liquid crystal display device using the same May. 3, 2011
7923795 Ultrasonic transducer device Apr. 12, 2011
7892867 Method for manufacturing flexible display panel Feb. 22, 2011
RE41989 Method and apparatus for electronic device manufacture using shadow masks Dec. 7, 2010
7816162 Semiconductor device manufacturing method Oct. 19, 2010
7759168 Electromagnetic interference shield for semiconductors using a continuous or near-continuous peripheral conducting seal and a conducting lid Jul. 20, 2010
7754582 Laser processing method Jul. 13, 2010
7749807 Method of fabricating a semiconductor multipackage module including a processor and memory package assemblies Jul. 6, 2010
7745234 Method for reclaiming semiconductor package Jun. 29, 2010
7728331 Thin film transistor panel and manufacturing method thereof Jun. 1, 2010
7709292 Processes and packaging for high voltage integrated circuits, electronic devices, and circuits May. 4, 2010
7582566 Method for redirecting void diffusion away from vias in an integrated circuit design Sep. 1, 2009
7534641 Method for manufacturing a micro-electro-mechanical device May. 19, 2009
7531470 Method and apparatus for electronic device manufacture using shadow masks May. 12, 2009

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