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Class Information
Number: 257/E21.334
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) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Radiation treatment (epo) > With high-energy radiation (epo) > Producing ions for implantation (epo)
Description: This subclass is indented under subclass E21.331. This subclass is substantially the same in scope as ECLA classification H01L21/265.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.345 Characterized by the angle between the ion beam and the crystal planes or the main crystal surface (epo) 676
257/E21.344 In diamond (epo) 2
257/E21.34 In group iii-v compound (epo) 75
257/E21.335 In group iv semiconductor (epo) 639
257/E21.346 Using mask (epo) 474


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8710633 Semiconductor overlapped PN structure and manufacturing method thereof Apr. 29, 2014
8709926 Plasma doping method and plasma doping apparatus Apr. 29, 2014
8679960 Technique for processing a substrate having a non-planar surface Mar. 25, 2014
8652954 Method for manufacturing silicon carbide semiconductor device Feb. 18, 2014
8598022 Isotopically-enriched boron-containing compounds, and methods of making and using same Dec. 3, 2013
8536034 Methods of forming stressed silicon-carbon areas in an NMOS transistor Sep. 17, 2013
8524585 Method of manufacturing semiconductor device Sep. 3, 2013
8524586 Semiconductor overlapped PN structure and manufacturing method thereof Sep. 3, 2013
8507372 Method for processing a substrate having a non-planar substrate surface Aug. 13, 2013
8492272 Passivated through wafer vias in low-doped semiconductor substrates Jul. 23, 2013
8492294 Semiconductor-on-insulator substrate and structure including multiple order radio frequency harmonic suppressing region Jul. 23, 2013
8482009 Silicon-on-insulator substrate with built-in substrate junction Jul. 9, 2013
8481378 Effecting selectivity of silicon or silicon-germanium deposition on a silicon or silicon-germanium substrate by doping Jul. 9, 2013
8482061 Semiconductor device and the method of manufacturing the same Jul. 9, 2013
8466050 Method for dual energy implantation for ultra-shallow junction formation of MOS devices Jun. 18, 2013
8461030 Apparatus and method for controllably implanting workpieces Jun. 11, 2013
8445369 Method for fabricating semiconductor device May. 21, 2013
8445336 Method of fabricating polycrystalline silicon, TFT fabricated using the same, method of fabricating the TFT, and organic light emitting diode display device including the TFT May. 21, 2013
8440550 Method for forming strained layer with high Ge content on substrate and semiconductor structure May. 14, 2013
8399342 Method for fabricating semiconductor device with buried bit lines Mar. 19, 2013
8394711 Systems and methods for co-doping wide band gap materials Mar. 12, 2013
8377808 Semiconductor device and method of manufacturing the same Feb. 19, 2013
8372735 USJ techniques with helium-treated substrates Feb. 12, 2013
8354321 Method for fabricating semiconductor devices with reduced junction diffusion Jan. 15, 2013
8343861 Ion implantation method, method of producing solid-state imaging device, solid-state imaging device, and electronic apparatus Jan. 1, 2013
8268649 Disk laser including an amplified spontaneous emission (ASE) suppression feature Sep. 18, 2012
8252670 Production method for a lateral electro-optical modulator on silicon with auto-aligned implanted zones Aug. 28, 2012
8202792 Method of processing a substrate having a non-planar surface Jun. 19, 2012
8163637 Forming impurity regions in silicon carbide devices Apr. 24, 2012
8163635 Manufacturing method of semiconductor device Apr. 24, 2012
8148774 Method of fabricating semiconductor device with a high breakdown voltage between neighboring wells Apr. 3, 2012
8129261 Conformal doping in P3I chamber Mar. 6, 2012
8124438 Method of fabricating CMOS image sensor Feb. 28, 2012
8105927 Method for manufacturing ion implantation mask, and method for manufacturing silicon carbide semiconductor device Jan. 31, 2012
8088652 Electron device using oxide semiconductor and method of manufacturing the same Jan. 3, 2012
8080452 Effecting selectivity of silicon or silicon-germanium deposition on a silicon or silicon-germanium substrate by doping Dec. 20, 2011
8062964 Solar cell defect passivation method Nov. 22, 2011
8030693 Solid-state image sensor Oct. 4, 2011
8003551 Surface-activation of semiconductor nanostructures for biological applications Aug. 23, 2011
7981742 Semiconductor device, data element thereof and method of fabricating the same Jul. 19, 2011
7981817 Method for manufacturing semiconductor device using multiple ion implantation masks Jul. 19, 2011
7939418 Partial implantation method for semiconductor manufacturing May. 10, 2011
7936018 Semiconductor device May. 3, 2011
7923339 Method of producing an epitaxial layer on semiconductor substrate and device produced with such a method Apr. 12, 2011
7915128 High voltage semiconductor devices Mar. 29, 2011
7888250 Method and apparatus for activating compound semiconductor Feb. 15, 2011
7863168 Plasma doping method and plasma doping apparatus Jan. 4, 2011
7846785 Memory cell that employs a selectively deposited reversible resistance-switching element and methods of forming the same Dec. 7, 2010
7825476 Method of fabricating polycrystalline silicon, TFT fabricated using the same, method of fabricating the TFT, and organic light emitting diode display device including the TFT Nov. 2, 2010
7808078 Semiconductor device and manufacturing method thereof Oct. 5, 2010

1 2 3 4










 
 
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