ClassID:

207204

H01L21/261 - CPC Classification

Classification description:

Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof; Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AB compounds with or without impurities, e.g. doping materials; Bombardment with radiation to produce a nuclear reaction transmuting chemical elements

Recent Application in this class:
#1
20250194194
2025-06-12

RADIATION DOPED SEMICONDUCTOR JUNCTIONS

#2
20200402802
2020-12-24

Photonuclear transmutation doping in gallium-based semiconductor materials

#3
20200365406
2020-11-19

Low defect nuclear transmutation doping in nitride-based semiconductor materials

#4
20200119152
2020-04-16

Low resistant contact method and structure

#5
20200005957
2020-01-02

Apparatus and method for neutron transmutation doping of semiconductor wafers

#6
20180308698
2018-10-25

Apparatus and method for neutron transmutation doping of semiconductor wafers

#7
20180151679
2018-05-31

Low resistance contact method and structure

#8
20160099186
2016-04-07

Method for postdoping a semiconductor wafer

#9
20150221763
2015-08-06

Semiconductor device manufacturing method

#10
20150050754
2015-02-19

Method for postdoping a semiconductor wafer

#11
20140315359
2014-10-23

Semiconductor device manufacturing method

#12
20130032896
2013-02-07

Semiconductor device and manufacturing method thereof

#13
20100288184
2010-11-18

SILICON SINGLE CRYSTAL WAFER FOR IGBT AND METHOD FOR MANUFACTURING SILICON SINGLE CRYSTAL WAFER FOR IGBT

#14
20100052103
2010-03-04

SILICON WAFER AND METHOD FOR PRODUCING THE SAME

#15
20100051945
2010-03-04

Silicon wafer and method for producing the same

#16
20090261379
2009-10-22

Semiconductor device with a semiconductor body and method for its production

#17
20070193501
2007-08-23

Silicon single crystal wafer for IGBT and method for manufacturing silicon single crystal wafer for IGBT

#18
20050229842
2005-10-20

Manufacturing method of silicon wafer

#19
20050156160
2005-07-21

Electron device which controls quantum chaos and quantum chaos controlling method

#20
15586943
2019-05-14

Methods of doping semiconductor materials and metastable doped semiconductor materials produced thereby

#21
14325647
2018-02-06

Semiconductor and other materials by thermal neutron transmutation