CN1244156C - 非易失性半导体存储器件及其制造方法和操作方法 - Google Patents
非易失性半导体存储器件及其制造方法和操作方法 Download PDFInfo
- Publication number
- CN1244156C CN1244156C CNB021416117A CN02141611A CN1244156C CN 1244156 C CN1244156 C CN 1244156C CN B021416117 A CNB021416117 A CN B021416117A CN 02141611 A CN02141611 A CN 02141611A CN 1244156 C CN1244156 C CN 1244156C
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- Prior art keywords
- control gate
- diffusion region
- unit
- floating boom
- dielectric film
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims description 52
- 238000003860 storage Methods 0.000 title description 7
- 238000011017 operating method Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 98
- 238000007667 floating Methods 0.000 claims abstract description 90
- 238000009792 diffusion process Methods 0.000 claims abstract description 72
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 6
- 239000002019 doping agent Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 15
- 229920005591 polysilicon Polymers 0.000 description 15
- 229910052581 Si3N4 Inorganic materials 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 229910052814 silicon oxide Inorganic materials 0.000 description 13
- 239000012535 impurity Substances 0.000 description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 101001056128 Homo sapiens Mannose-binding protein C Proteins 0.000 description 4
- 102100026553 Mannose-binding protein C Human genes 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 101150035614 mbl-1 gene Proteins 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001259 photo etching Methods 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 101100423891 Caenorhabditis elegans qars-1 gene Proteins 0.000 description 2
- 101100083172 Mus musculus Pgm1 gene Proteins 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100029548 Mus musculus Pgm2 gene Proteins 0.000 description 1
- 101150028796 PGM1 gene Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- -1 boron ion Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/10—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the top-view layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0491—Virtual ground arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
- H01L29/7881—Programmable transistors with only two possible levels of programmation
- H01L29/7883—Programmable transistors with only two possible levels of programmation charging by tunnelling of carriers, e.g. Fowler-Nordheim tunnelling
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Pgm1 | Pgm2 | Ers1 | Ers2 | Ers3 | Ers4 | Ers5 | Ers6 | Read1 | Read2 | |
CG0 | 0V/F | 0V/F | +15V | +10V | +30V | +15V | 0V/F | 0V/F | 0V | 0V |
CG1 | 0V/F | 0V/F | +15V | +10V | +30V | +15V | 0V/F | 0V/F | 0V | 0V |
CG2 | -15V | -10V | +15V | +10V | +30V | +15V | 0V/F | 0V/F | +3V | 0V |
CG3 | 0V/F | 0V/F | +15V | +10V | +30V | +15V | 0V/F | 0V/F | 0V | 0V |
WL0 | -15V | -10V | +15V | +10V | 0V/F | 0V/F | +30V | +15V | +3V | +6V |
WLn | 0V/F | 0V/F | +15V | +10V | 0V/F | 0V/F | +30V | +15V | 0V | 0V |
MBL0 | 0V/F | +5V/F | 0V/F | -5V/F | 0V/F | -8V/F | 0V/F | -8V/F | +1V | +1V |
MBL1 | 0V/F | +5V/F | 0V/F | -5V/F | 0V/F | -8V/F | 0V/F | -8V/F | 0V | +1V |
MBL2 | 0V/F | +5V/F | 0V/F | -5V/F | 0V/F | -8V/F | 0V/F | -8V/F | +1V | +1V |
MBL3 | 0V/F | +5V/F | 0V/F | -5V/F | 0V/F | -8V/F | 0V/F | -8V/F | 0V | 0V |
MBL4 | 0V/F | +5V/F | 0V/F | -5V/F | 0V/F | -8V/F | 0V/F | -8V/F | +1V | 0V |
Sub | 0V | +5V | 0V | -5V | 0V | -8V | 0V | -8Vu | 0V | 0V |
SG0 | 0V | +5/0V | 0V | 0V/-5V | 0V | 0V/-8V | 0V | 0V/-8V | +3V | +3V |
SG1 | 0V | +5/0V | 0V | 0V/-5V | 0V | 0V/-8V | 0V | 0V/-8V | +3V | +3V |
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP264158/01 | 2001-08-31 | ||
JP264158/2001 | 2001-08-31 | ||
JP2001264158A JP4065671B2 (ja) | 2001-08-31 | 2001-08-31 | 不揮発性半導体記憶装置、その製造方法及びその動作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1404152A CN1404152A (zh) | 2003-03-19 |
CN1244156C true CN1244156C (zh) | 2006-03-01 |
Family
ID=19090808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021416117A Expired - Lifetime CN1244156C (zh) | 2001-08-31 | 2002-09-02 | 非易失性半导体存储器件及其制造方法和操作方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7187029B2 (zh) |
EP (1) | EP1289023A3 (zh) |
JP (1) | JP4065671B2 (zh) |
KR (1) | KR100495892B1 (zh) |
CN (1) | CN1244156C (zh) |
TW (1) | TW560011B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6888755B2 (en) | 2002-10-28 | 2005-05-03 | Sandisk Corporation | Flash memory cell arrays having dual control gates per memory cell charge storage element |
US20040197992A1 (en) * | 2003-04-03 | 2004-10-07 | Hsiao-Ying Yang | Floating gates having improved coupling ratios and fabrication method thereof |
JP3762385B2 (ja) | 2003-04-28 | 2006-04-05 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US8022489B2 (en) * | 2005-05-20 | 2011-09-20 | Macronix International Co., Ltd. | Air tunnel floating gate memory cell |
US7951669B2 (en) | 2006-04-13 | 2011-05-31 | Sandisk Corporation | Methods of making flash memory cell arrays having dual control gates per memory cell charge storage element |
JP4936790B2 (ja) * | 2006-05-22 | 2012-05-23 | 株式会社東芝 | 半導体装置 |
JP4908238B2 (ja) * | 2007-01-11 | 2012-04-04 | 株式会社東芝 | 不揮発性半導体記憶装置 |
KR20100080243A (ko) * | 2008-12-31 | 2010-07-08 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
US8692310B2 (en) | 2009-02-09 | 2014-04-08 | Spansion Llc | Gate fringing effect based channel formation for semiconductor device |
US9064460B2 (en) * | 2010-05-20 | 2015-06-23 | Sharp Kabushiki Kaisha | Display device with touch sensor including photosensor |
US9337099B1 (en) * | 2015-01-30 | 2016-05-10 | Globalfoundries Inc. | Special constructs for continuous non-uniform active region FinFET standard cells |
US11515314B2 (en) * | 2020-06-04 | 2022-11-29 | Globalfoundries Singapore Pte. Ltd. | One transistor two capacitors nonvolatile memory cell |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3483765D1 (de) * | 1983-09-28 | 1991-01-31 | Toshiba Kawasaki Kk | Elektrisch loeschbare und programmierbare nichtfluechtige halbleiterspeicheranordnung mit zwei gate-elektroden. |
US4599706A (en) * | 1985-05-14 | 1986-07-08 | Xicor, Inc. | Nonvolatile electrically alterable memory |
US5280446A (en) * | 1990-09-20 | 1994-01-18 | Bright Microelectronics, Inc. | Flash eprom memory circuit having source side programming |
US5313421A (en) * | 1992-01-14 | 1994-05-17 | Sundisk Corporation | EEPROM with split gate source side injection |
JP3541958B2 (ja) * | 1993-12-16 | 2004-07-14 | 株式会社東芝 | 不揮発性半導体記憶装置 |
JP3671432B2 (ja) | 1994-05-17 | 2005-07-13 | ソニー株式会社 | 不揮発性メモリ及びその製造方法 |
US5429971A (en) * | 1994-10-03 | 1995-07-04 | United Microelectronics Corporation | Method of making single bit erase flash EEPROM |
JP3123921B2 (ja) * | 1995-05-18 | 2001-01-15 | 三洋電機株式会社 | 半導体装置および不揮発性半導体メモリ |
US5877054A (en) | 1995-06-29 | 1999-03-02 | Sharp Kabushiki Kaisha | Method of making nonvolatile semiconductor memory |
JP3081543B2 (ja) * | 1996-03-29 | 2000-08-28 | 三洋電機株式会社 | スプリットゲート型トランジスタ、スプリットゲート型トランジスタの製造方法、不揮発性半導体メモリ |
JP3123924B2 (ja) * | 1996-06-06 | 2001-01-15 | 三洋電機株式会社 | 不揮発性半導体メモリ |
KR100215883B1 (ko) * | 1996-09-02 | 1999-08-16 | 구본준 | 플래쉬 메모리 소자 및 그 제조방법 |
JPH11224940A (ja) * | 1997-12-05 | 1999-08-17 | Sony Corp | 不揮発性半導体記憶装置及びその書き込み方法 |
US5991225A (en) * | 1998-02-27 | 1999-11-23 | Micron Technology, Inc. | Programmable memory address decode array with vertical transistors |
KR20000027275A (ko) * | 1998-10-27 | 2000-05-15 | 김영환 | 플래쉬 메모리 셀 및 그 제조 방법 |
US6154018A (en) * | 1999-09-01 | 2000-11-28 | Vlsi Technology, Inc. | High differential impedance load device |
-
2001
- 2001-08-31 JP JP2001264158A patent/JP4065671B2/ja not_active Expired - Fee Related
-
2002
- 2002-08-26 KR KR10-2002-0050576A patent/KR100495892B1/ko active IP Right Grant
- 2002-08-29 US US10/230,369 patent/US7187029B2/en not_active Expired - Lifetime
- 2002-08-30 EP EP02019493A patent/EP1289023A3/en not_active Withdrawn
- 2002-08-30 TW TW091119894A patent/TW560011B/zh not_active IP Right Cessation
- 2002-09-02 CN CNB021416117A patent/CN1244156C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030047774A1 (en) | 2003-03-13 |
EP1289023A3 (en) | 2007-11-14 |
CN1404152A (zh) | 2003-03-19 |
KR100495892B1 (ko) | 2005-06-16 |
EP1289023A2 (en) | 2003-03-05 |
JP4065671B2 (ja) | 2008-03-26 |
JP2003078042A (ja) | 2003-03-14 |
KR20030019111A (ko) | 2003-03-06 |
US7187029B2 (en) | 2007-03-06 |
TW560011B (en) | 2003-11-01 |
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