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Class Information
Number: 257/E21.7
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) > Substrate is nonsemiconductor body, e.g., insulating body (epo)
Description: This subclass is indented under subclass E21.695. This subclass is substantially the same in scope as ECLA classification H01L21/782.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.701 Substrate is sapphire, e.g., silicon on sapphire structure (sos) (epo) 7
257/E21.703 Substrate is semiconductor body (epo) 2,706
257/E21.702 To produce devices, each consisting of single circuit element (epo) 11


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8704380 Methods for wafer-level packaging of microfeature devices and microfeature devices formed using such methods Apr. 22, 2014
8691639 Manufacture methods of thin film transistor and array substrate and mask Apr. 8, 2014
8633065 Method for manufacturing mother substrate and array substrate Jan. 21, 2014
8633532 Semiconductor memory device having a floating body capacitor, memory cell array having the same and method of manufacturing the same Jan. 21, 2014
8603868 V-groove source/drain MOSFET and process for fabricating same Dec. 10, 2013
8581332 Semiconductor device and manufacturing method thereof Nov. 12, 2013
8535996 Substrate having a charged zone in an insulating buried layer Sep. 17, 2013
8465992 Method of manufacturing flexible display device Jun. 18, 2013
8455277 Thin film transistor array panel and manufacturing method thereof Jun. 4, 2013
8431451 Display device and method for manufacturing the same Apr. 30, 2013
8420467 Semiconductor device and method for manufacturing the same Apr. 16, 2013
8409926 Semiconductor device and method of forming insulating layer around semiconductor die Apr. 2, 2013
8377761 SOI device having a substrate diode with process tolerant configuration and method of forming the SOI device Feb. 19, 2013
8362522 Semiconductor device and method for manufacturing the same Jan. 29, 2013
8344454 Semiconductor device Jan. 1, 2013
8329517 Pixel structure and method for manufacturing the same Dec. 11, 2012
8309379 Flexible substrate and method for fabricating flexible display device having the same Nov. 13, 2012
8309952 Thin film transistor and method for manufacturing the same Nov. 13, 2012
8278720 Field effect transistor switch for RF signals and method of making the same Oct. 2, 2012
8274098 Field effect transistor, logic circuit including the same and methods of manufacturing the same Sep. 25, 2012
8236628 Array substrate and manufacturing method Aug. 7, 2012
8236667 Silicon on insulator (SOI) wafer and process for producing same Aug. 7, 2012
8216891 LCD TFT array plate and fabricating method thereof Jul. 10, 2012
8169025 Strained CMOS device, circuit and method of fabrication May. 1, 2012
8164144 Semiconductor device and manufacturing method thereof Apr. 24, 2012
8039325 Methods of fabricating semiconductor device having capacitorless one-transistor memory cell Oct. 18, 2011
8030177 Method for manufacturing semiconductor devices using embrittled layers Oct. 4, 2011
8026553 Semiconductor memory device and manufacturing method thereof Sep. 27, 2011
8022469 Semiconductor device and manufacturing method thereof Sep. 20, 2011
8012814 Method of forming a high performance fet and a high voltage fet on a SOI substrate Sep. 6, 2011
7955908 Thin film transistor array panel and manufacturing method thereof Jun. 7, 2011
7943932 Display substrate, display device and method of manufacturing the same May. 17, 2011
7935581 Method of fabricating thin film transistor array substrate May. 3, 2011
7923728 Thin film transistor array panel and method of manufacturing the same Apr. 12, 2011
7897428 Three-dimensional integrated circuits and techniques for fabrication thereof Mar. 1, 2011
7894004 Liquid crystal display apparatus, manufacturing method thereof, and liquid crystal projector Feb. 22, 2011
7888192 Process for forming integrated circuits with both split gate and common gate FinFET transistors Feb. 15, 2011
7879689 Method of manufacturing a semiconductor device including a semiconductor substrate with stripes of different crystal plane directions Feb. 1, 2011
7858425 Monolithic nuclear event detector and method of manufacture Dec. 28, 2010
7851279 Manufacturing method of semiconductor device Dec. 14, 2010
7834354 Pixel structure and method for manufacturing the same Nov. 16, 2010
7816224 Method for fabricating an ultra thin silicon on insulator Oct. 19, 2010
7811859 Method of reducing memory card edge roughness by edge coating Oct. 12, 2010
7807505 Methods for wafer-level packaging of microfeature devices and microfeature devices formed using such methods Oct. 5, 2010
7804134 MOSFET on SOI device Sep. 28, 2010
7790523 Mask for forming a thin-film transistor, thin-film transistor substrate manufactured using the same and method of manufacturing a thin-film transistor substrate using the same Sep. 7, 2010
7767506 Mask and manufacturing method of a semiconductor device and a thin film transistor array panel using the mask Aug. 3, 2010
7759737 Dual structure FinFET and method of manufacturing the same Jul. 20, 2010
7754546 Semiconductor device manufacturing method and semiconductor device using the same Jul. 13, 2010
7755104 FinFET pMOS double gate semiconductor device with uniaxial tensile strain applied to channel by shrinkable gate electrode material, current flow in <110> crystal orientation, and source Jul. 13, 2010

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