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Class Information
Number: 257/E21.54
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 of specific parts of devices (epo) > Making of isolation regions between components (epo)
Description: This subclass is indented under subclass E21.536. This subclass is substantially the same in scope as ECLA classification H01L21/76.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.573 Air gaps (epo) 331
257/E21.543 Between components manufactured in active substrate comprising group ii-vi compound semiconductor (epo) 1
257/E21.542 Between components manufactured in active substrate comprising group iii-v compound semiconductor (epo) 126
257/E21.541 Between components manufactured in active substrate comprising sic compound semiconductor (epo) 31
257/E21.545 Dielectric regions, e.g., epic dielectric isolation, locos; trench refilling techniques, soi technology, use of channel stoppers (epo) 465
257/E21.574 Isolation by field effect (epo) 139
257/E21.544 Pn junction isolation (epo) 515
257/E21.572 Polycrystalline semiconductor regions (epo) 512


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8703577 Method for fabrication deep trench isolation structure Apr. 22, 2014
8685830 Method of filling shallow trenches Apr. 1, 2014
8679938 Shallow trench isolation for device including deep trench capacitors Mar. 25, 2014
8680644 Semiconductor device and method for making same Mar. 25, 2014
8673735 Semiconductor device and method for making same Mar. 18, 2014
8664062 Method of manufacturing flash memory cell Mar. 4, 2014
8652884 Semiconductor device structure and method for manufacturing the same Feb. 18, 2014
8623742 Reduced STI loss for superior surface planarity of embedded stressors in densely packed semiconductor devices Jan. 7, 2014
8592826 Silicon carbide and related wide-bandgap transistors on semi insulating epitaxy Nov. 26, 2013
8581342 Semiconductor device with field electrode and method Nov. 12, 2013
8552525 Semiconductor structures and devices and methods of forming the same Oct. 8, 2013
8530326 Method of fabricating a dummy gate structure in a gate last process Sep. 10, 2013
8507357 Method for lift-off of light-emitting diode substrate Aug. 13, 2013
8501577 Preparation method for full-isolated SOI with hybrid crystal orientations Aug. 6, 2013
8492206 Semiconductor device structure and method for manufacturing the same Jul. 23, 2013
8471346 Semiconductor device including a cavity Jun. 25, 2013
8470656 Semiconductor device and method of manufacturing the same Jun. 25, 2013
RE44303 Passivation layer for a circuit device and method of manufacture Jun. 18, 2013
8450147 Laminating encapsulant film containing phosphor over LEDs May. 28, 2013
8445295 Semiconductor device and method for manufacturing the same May. 21, 2013
8445377 Mechanically robust metal/low-k interconnects May. 21, 2013
8435904 Methods of uniformly removing silicon oxide and an intermediate semiconductor device May. 7, 2013
8431466 Method of forming finned semiconductor devices with trench isolation Apr. 30, 2013
8421183 Structure of very high insertion loss of the substrate noise decoupling Apr. 16, 2013
8399919 Unit block circuit of semiconductor device Mar. 19, 2013
8389370 Radiation-tolerant integrated circuit device and method for fabricating Mar. 5, 2013
8368169 Semiconductor device having a device isolation structure Feb. 5, 2013
8349699 Methods of forming trench isolation in the fabrication of integrated circuitry and methods of fabricating integrated circuitry Jan. 8, 2013
8334573 Buried etch stop layer in trench isolation structures for superior surface planarity in densely packed semiconductor devices Dec. 18, 2012
8334177 Methods for forming isolated fin structures on bulk semiconductor material Dec. 18, 2012
8329545 Method of fabricating a charge trap NAND flash memory Dec. 11, 2012
8324071 Method for forming silicon film, method for forming pn junction and pn junction formed using the same Dec. 4, 2012
8324074 Structure and method to minimize regrowth and work function shift in high-k gate stacks Dec. 4, 2012
8324715 Semiconductor device and method of manufacturing the same Dec. 4, 2012
8273664 Method for etching and filling deep trenches Sep. 25, 2012
8252658 Methods of etching trenches into silicon of a semiconductor substrate, methods of forming trench isolation in silicon of a semiconductor substrate, and methods of forming a plurality of diodes Aug. 28, 2012
8242004 Semiconductor device and method of fabricating the same Aug. 14, 2012
8236665 Method for manufacturing semiconductor device with SEG film active region Aug. 7, 2012
8203187 3D memory array arranged for FN tunneling program and erase Jun. 19, 2012
8187931 Method for fabricating a semiconductor device with a substrate protrusion May. 29, 2012
8183124 Silicon carbide and related wide-bandgap transistors on semi insulating epitaxy May. 22, 2012
8183125 Semiconductor device and manufacturing method May. 22, 2012
8163586 Method of producing a suspended membrane device Apr. 24, 2012
8159009 Semiconductor device having strain material Apr. 17, 2012
8125022 Semiconductor device and method of manufacturing the same Feb. 28, 2012
8120138 High-Z structure and method for co-alignment of mixed optical and electron beam lithographic fabrication levels Feb. 21, 2012
8080485 Localized temperature control during rapid thermal anneal Dec. 20, 2011
8076203 Semiconductor device and method of manufacturing the same Dec. 13, 2011
8071462 Isolation structures for integrated circuits and modular methods of forming the same Dec. 6, 2011
8067292 Isolation structure, non-volatile memory having the same, and method of fabricating the same Nov. 29, 2011

1 2 3 4 5 6










 
 
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