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Class Information
Number: 257/E21.211
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) > Treatment of semiconductor body using process other than deposition of semiconductor material on a substrate, diffusion or alloying of impurity material, or radiation treatment (epo)
Description: This subclass is indented under subclass E21.085. This subclass is substantially the same in scope as ECLA classification H01L21/30.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.212 Hydrogenation or deuterization, e.g., using atomic hydrogen or deuterium from a plasma (epo) 203
257/E21.214 To change their surface-physical characteristics or shape, e.g., etching, polishing, cutting (epo) 461
257/E21.317 To modify their internal properties, e.g., to produce internal imperfections (epo) 47
257/E21.323 Of diamond body (epo) 7
257/E21.327 Application of electric current or field, e.g., for electroforming (epo) 69


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8709914 Method for controlled layer transfer Apr. 29, 2014
8709958 Solid-state image pickup element, method of manufacturing the same, and image pickup apparatus including the same Apr. 29, 2014
8704087 Solderable polymer thick film conductive electrode composition for use in thin-film photovoltaic cells and other applications Apr. 22, 2014
8686505 Lateral semiconductor device and manufacturing method therefor Apr. 1, 2014
8679913 Method for Sr--Ti--O-based film formation Mar. 25, 2014
8679960 Technique for processing a substrate having a non-planar surface Mar. 25, 2014
8674358 Radiation detecting element and radiation detecting device Mar. 18, 2014
8673790 Method of manufacturing a semiconductor device, method of cleaning a process vessel, and substrate processing apparatus Mar. 18, 2014
8673746 Ammonium sulfide passivation of semiconductors Mar. 18, 2014
8673733 Methods of transferring layers of material in 3D integration processes and related structures and devices Mar. 18, 2014
8664020 Semiconductor light emitting device and method of manufacturing the same Mar. 4, 2014
8664116 Heat treatment method for growing silicide Mar. 4, 2014
8642372 Solar cell and method for manufacturing the same Feb. 4, 2014
8642986 Integrated circuit having microelectromechanical system device and method of fabricating the same Feb. 4, 2014
8638000 Micromechanical method and corresponding assembly for bonding semiconductor substrates and correspondingly bonded semiconductor chip Jan. 28, 2014
8633573 Strained semiconductor materials, devices and methods therefore Jan. 21, 2014
8633552 ESD protection for MEMS resonator devices Jan. 21, 2014
8598014 Method for producing a semiconductor element Dec. 3, 2013
8586471 Seed layers for metallic interconnects and products Nov. 19, 2013
8580654 Method for molecular bonding of silicon and glass substrates Nov. 12, 2013
8575002 Direct bonding method with reduction in overlay misalignment Nov. 5, 2013
8575003 Method for producing a semiconductor component Nov. 5, 2013
8569851 Sensor and method for fabricating the same Oct. 29, 2013
8557719 Method for fabricating semiconductor device Oct. 15, 2013
8551863 Method for manufacturing ferroelectric device Oct. 8, 2013
8546826 Light-emitting module and method of manufacture for a light-emitting module Oct. 1, 2013
8536035 Silicon-on-insulator substrate and method of forming Sep. 17, 2013
8519459 Solid-state imaging device and electronic equipment Aug. 27, 2013
8507360 Transfer method of functional region, LED array, LED printer head, and LED printer Aug. 13, 2013
8497150 Method for defect isolation of thin-film solar cell Jul. 30, 2013
8497188 Method for producing bonded wafer Jul. 30, 2013
8492183 Manufacturing method of film pattern of micro-structure and manufacturing method of TFT-LCD array substrate Jul. 23, 2013
8481406 Methods of forming bonded semiconductor structures Jul. 9, 2013
8481842 Process for producing Peltier modules, and Peltier module Jul. 9, 2013
8482018 Light emitting device and method for fabricating the same Jul. 9, 2013
8476100 Method of forming thin film solar cell and structure thereof Jul. 2, 2013
8470688 Semiconductor device and method for manufacturing the same Jun. 25, 2013
8466044 Memory cell that includes a carbon-based memory element and methods forming the same Jun. 18, 2013
8466447 Back contact to film silicon on metal for photovoltaic cells Jun. 18, 2013
8461017 Methods of forming bonded semiconductor structures using a temporary carrier having a weakened ion implant region for subsequent separation along the weakened region Jun. 11, 2013
8450186 Optical modulator utilizing wafer bonding technology May. 28, 2013
8445075 Method to minimize wet etch undercuts and provide pore sealing of extreme low k (k<2.5) dielectrics May. 21, 2013
8426235 Method for manufacturing capacitive electromechanical transducer Apr. 23, 2013
8421193 Integrated circuit device having through via and method for preparing the same Apr. 16, 2013
8415230 Method for transferring functional regions, LED array, LED printer head, and LED printer Apr. 9, 2013
8415180 Method for fabricating wafer product and method for fabricating gallium nitride based semiconductor optical device Apr. 9, 2013
8404562 Method for manufacturing a composite wafer having a graphite core, and composite wafer having a graphite core Mar. 26, 2013
8399282 Method for forming pad in wafer with three-dimensional stacking structure Mar. 19, 2013
8399991 Semiconductor device and method of forming through hole vias in die extension region around periphery of die Mar. 19, 2013
8394726 Method for manufacturing semiconductor device, and substrate processing apparatus Mar. 12, 2013

1 2 3 4 5 6 7










 
 
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