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Class Information
Number: 257/E21.456
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) > Multi-step process for the manufacture of unipolar device (epo) > Charge transfer device (epo)
Description: This subclass is indented under subclass E21.394. This subclass is substantially the same in scope as ECLA classification H01L21/339.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.457 With insulated gate (epo) 140
257/E21.458 With schottky gate (epo) 17


Patents under this class:

Patent Number Title Of Patent Date Issued
8709855 Intralevel conductive light shield Apr. 29, 2014
8530893 Display substrate and method of manufacturing the same Sep. 10, 2013
8487348 Methods and apparatus to reduce layout based strain variations in non-planar transistor structures Jul. 16, 2013
8278131 Method and apparatus for dark current and blooming supression in 4T CMOS imager pixel Oct. 2, 2012
8247847 Solid-state imaging device and manufacturing method therefor Aug. 21, 2012
8114696 CMOS image sensor with asymmetric well structure of source follower Feb. 14, 2012
8021908 Method and apparatus for dark current and blooming suppression in 4T CMOS imager pixel Sep. 20, 2011
7902574 Solid state image pickup device and operating method thereof Mar. 8, 2011
7863667 Zirconium titanium oxide films Jan. 4, 2011
7858424 Method for manufacturing a sensor array including a monolithically integrated circuit Dec. 28, 2010
7851798 Method and apparatus for dark current and blooming suppression in 4T CMOS imager pixel Dec. 14, 2010
7785912 Piezo-TFT cantilever MEMS fabrication Aug. 31, 2010
7759151 Solid state imaging apparatus, imaging apparatus and solid state imaging apparatus manufacturing method Jul. 20, 2010
7659135 Semiconductor device fabrication method and semiconductor device Feb. 9, 2010
7638354 Image sensor and method of fabricating the same Dec. 29, 2009
7569414 CMOS imager with integrated non-volatile memory Aug. 4, 2009
7563689 Method for fabricating nonvolatile memory device Jul. 21, 2009
7557390 Solid image capturing element for power saving at output section and manufacturing method for the same Jul. 7, 2009
7511297 Phase change memory device and method of fabricating the same Mar. 31, 2009
7423286 Laser transfer article and method of making Sep. 9, 2008
7061030 Semiconductor device, a manufacturing method thereof, and a camera Jun. 13, 2006
6963093 Solid-state imaging device and method for producing the same Nov. 8, 2005
6440782 Radiation-hard silicon cryo-CMOS process suitable for charge-coupled devices, and a device made according to this process Aug. 27, 2002
6426238 Charge transfer device and solid image pickup apparatus using the same Jul. 30, 2002
5202286 Method of forming three-dimensional features on substrates with adjacent insulating films Apr. 13, 1993
5040020 Self-aligned, high resolution resonant dielectric lithography Aug. 13, 1991
5010377 Isolated gate MESFET and method of trimming Apr. 23, 1991
4948746 Isolated gate MESFET and method of making and trimming Aug. 14, 1990
4898804 Self-aligned, high resolution resonant dielectric lithography Feb. 6, 1990











 
 
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