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Class Information
Number: 257/E21.327
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) > Application of electric current or field, e.g., for electroforming (epo)
Description: This subclass is indented under subclass E21.211. This subclass is substantially the same in scope as ECLA classification H01L21/326.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704333 Fuse chambers on a substrate Apr. 22, 2014
8525146 Electrical circuit component Sep. 3, 2013
8470721 Magnetic processing of operating electronic materials Jun. 25, 2013
8338272 Method for manufacturing a semiconductor device Dec. 25, 2012
8329500 Method of manufacturing photovoltaic device Dec. 11, 2012
8207057 Microball assembly methods, and packages using maskless microball assemblies Jun. 26, 2012
8110880 Systems and methods for interconnect metallization using a stop-etch layer Feb. 7, 2012
8089060 Non-volatile memory cell and fabrication method thereof Jan. 3, 2012
8048754 Method for manufacturing SOI substrate and method for manufacturing single crystal semiconductor layer Nov. 1, 2011
7977131 Method for manufacturing nano-array electrode and photoelectric conversion device using same Jul. 12, 2011
7939437 Metallization method for solar cells May. 10, 2011
7939374 Supply mechanism for the chuck of an integrated circuit dicing device May. 10, 2011
7932119 Laser optical path detection in integrated circuit packaging Apr. 26, 2011
7838969 Diode Nov. 23, 2010
7829383 Supply mechanism for the chuck of an integrated circuit dicing device Nov. 9, 2010
7807573 Laser assisted chemical vapor deposition for backside die marking and structures formed thereby Oct. 5, 2010
7745349 Method for fabricating semiconductor transistor Jun. 29, 2010
7727874 Non-polar and semi-polar GaN substrates, devices, and methods for making them Jun. 1, 2010
7713888 Magnetic processing of electronic materials May. 11, 2010
7656011 Diode Feb. 2, 2010
7354787 Electrode design and positioning for controlled movement of a moveable electrode and associated support structure Apr. 8, 2008
7235421 System and method for developing production nano-material Jun. 26, 2007
7224026 Nanoelectronic devices and circuits May. 29, 2007
7091077 Method of directionally trimming polysilicon width Aug. 15, 2006
6982217 Nano-structure and method of manufacturing nano-structure Jan. 3, 2006
6969618 SOI device having increased reliability and reduced free floating body effects Nov. 29, 2005
6936496 Nanowire filament Aug. 30, 2005
6911079 Method for reducing the resistivity of p-type II-VI and III-V semiconductors Jun. 28, 2005
6900130 Method for locally heating a region in a semiconductor substrate May. 31, 2005
6887342 Field-assisted fusion bonding May. 3, 2005
6822311 DC or AC electric field assisted anneal Nov. 23, 2004
6773936 Method of reducing low-frequency noise for semiconductor devices and circuits Aug. 10, 2004
6610582 Field-assisted fusion bonding Aug. 26, 2003
6552411 DC or AC electric field assisted anneal Apr. 22, 2003
6534748 Semiconductor purification apparatus and method Mar. 18, 2003
6514802 Method of providing a frontside contact to a substrate of SOI device Feb. 4, 2003
6355511 Method of providing a frontside contact to substrate of SOI device Mar. 12, 2002
6352939 Method for improving the electrical properties of a gate oxide Mar. 5, 2002
6306692 Coplanar type polysilicon thin film transistor and method of manufacturing the same Oct. 23, 2001
6274465 DC electric field assisted anneal Aug. 14, 2001
6136669 Mobile charge immune process Oct. 24, 2000
6127289 Method for treating semiconductor wafers with corona charge and devices using corona charging Oct. 3, 2000
6017805 Method of reducing mobile ion contaminants in semiconductor films Jan. 25, 2000
5972437 Method for fabricating a thin film semiconductor device Oct. 26, 1999
5882953 Dopant activation of heavily-doped semiconductor by high current densities Mar. 16, 1999
5874320 Method for forming P-type gallium nitride Feb. 23, 1999
5635410 Bias temperature treatment method Jun. 3, 1997
5516731 High-temperature bias anneal of integrated circuits for improved radiation hardness and hot electron resistance May. 14, 1996
4874711 Method for altering characteristics of active semiconductor devices Oct. 17, 1989
4870472 Method for resistor trimming by metal migration Sep. 26, 1989

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