JP2014022751A - 磁気接合、磁気メモリ、改善された特性を有する磁気接合を提供するための方法、及びシステム - Google Patents
磁気接合、磁気メモリ、改善された特性を有する磁気接合を提供するための方法、及びシステム Download PDFInfo
- Publication number
- JP2014022751A JP2014022751A JP2013150526A JP2013150526A JP2014022751A JP 2014022751 A JP2014022751 A JP 2014022751A JP 2013150526 A JP2013150526 A JP 2013150526A JP 2013150526 A JP2013150526 A JP 2013150526A JP 2014022751 A JP2014022751 A JP 2014022751A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- magnetic junction
- additional
- junction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Drying Of Semiconductors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/553,965 | 2012-07-20 | ||
| US13/553,965 US9129690B2 (en) | 2012-07-20 | 2012-07-20 | Method and system for providing magnetic junctions having improved characteristics |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019010149A Division JP2019071480A (ja) | 2012-07-20 | 2019-01-24 | 磁気メモリを製造するための装置及び磁気接合を提供するための方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014022751A true JP2014022751A (ja) | 2014-02-03 |
| JP2014022751A5 JP2014022751A5 (https=) | 2016-09-01 |
Family
ID=49946433
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013150526A Pending JP2014022751A (ja) | 2012-07-20 | 2013-07-19 | 磁気接合、磁気メモリ、改善された特性を有する磁気接合を提供するための方法、及びシステム |
| JP2019010149A Pending JP2019071480A (ja) | 2012-07-20 | 2019-01-24 | 磁気メモリを製造するための装置及び磁気接合を提供するための方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019010149A Pending JP2019071480A (ja) | 2012-07-20 | 2019-01-24 | 磁気メモリを製造するための装置及び磁気接合を提供するための方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9129690B2 (https=) |
| JP (2) | JP2014022751A (https=) |
| KR (1) | KR102056886B1 (https=) |
| CN (1) | CN103579497B (https=) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150112896A (ko) * | 2014-03-27 | 2015-10-07 | 램 리써치 코포레이션 | 비휘발성 금속 재료의 에칭 방법 |
| JP2017527097A (ja) * | 2014-07-25 | 2017-09-14 | スピン トランスファー テクノロジーズ インク | Mtjメモリデバイスの製造方法 |
| US10468588B2 (en) | 2018-01-05 | 2019-11-05 | Spin Memory, Inc. | Perpendicular magnetic tunnel junction device with skyrmionic enhancement layers for the precessional spin current magnetic layer |
| US10553787B2 (en) | 2015-06-16 | 2020-02-04 | Spin Memory, Inc. | Precessional spin current structure for MRAM |
| US10580827B1 (en) | 2018-11-16 | 2020-03-03 | Spin Memory, Inc. | Adjustable stabilizer/polarizer method for MRAM with enhanced stability and efficient switching |
| US10615335B2 (en) | 2015-04-21 | 2020-04-07 | Spin Memory, Inc. | Spin transfer torque structure for MRAM devices having a spin current injection capping layer |
| US10643680B2 (en) | 2016-01-28 | 2020-05-05 | Spin Memory, Inc. | Memory cell having magnetic tunnel junction and thermal stability enhancement layer |
| US10665777B2 (en) | 2017-02-28 | 2020-05-26 | Spin Memory, Inc. | Precessional spin current structure with non-magnetic insertion layer for MRAM |
| US10672976B2 (en) | 2017-02-28 | 2020-06-02 | Spin Memory, Inc. | Precessional spin current structure with high in-plane magnetization for MRAM |
| US10734574B2 (en) | 2015-04-21 | 2020-08-04 | Spin Memory, Inc. | Method of manufacturing high annealing temperature perpendicular magnetic anisotropy structure for magnetic random access memory |
| US10777736B2 (en) | 2015-07-30 | 2020-09-15 | Spin Memory, Inc. | Polishing stop layer(s) for processing arrays of semiconductor elements |
| US11217745B2 (en) | 2018-09-06 | 2022-01-04 | Toshiba Memory Corporation | Magnetoresistive memory device and method for manufacturing magnetoresistive memory device |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130017267A (ko) * | 2011-08-10 | 2013-02-20 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
| US8901687B2 (en) | 2012-11-27 | 2014-12-02 | Industrial Technology Research Institute | Magnetic device with a substrate, a sensing block and a repair layer |
| KR102078849B1 (ko) * | 2013-03-11 | 2020-02-18 | 삼성전자 주식회사 | 자기저항 구조체, 이를 포함하는 자기 메모리 소자 및 자기저항 구조체의 제조 방법 |
| US9305579B2 (en) * | 2014-01-15 | 2016-04-05 | HGST Netherlands B.V. | Fabrication of side-by-side sensors for MIMO recording |
| US20150263272A1 (en) * | 2014-03-13 | 2015-09-17 | Kazuhiro Tomioka | Manufacturing method of magnetic memory device and manufacturing apparatus of magnetic memory device |
| US9559296B2 (en) | 2014-07-03 | 2017-01-31 | Samsung Electronics Co., Ltd. | Method for providing a perpendicular magnetic anisotropy magnetic junction usable in spin transfer torque magnetic devices using a sacrificial insertion layer |
| US9412786B1 (en) * | 2014-10-02 | 2016-08-09 | Everspin Technologies, Inc. | Magnetoresistive device design and process integration with surrounding circuitry |
| KR102276541B1 (ko) | 2014-11-27 | 2021-07-13 | 삼성전자주식회사 | 자기 메모리 장치 및 이의 제조 방법 |
| US10177197B2 (en) * | 2015-11-16 | 2019-01-08 | Samsung Electronics Co., Ltd. | Magnetic junctions having elongated free layers |
| KR102368033B1 (ko) | 2017-09-20 | 2022-02-25 | 삼성전자주식회사 | 자기 저항 메모리 소자의 제조 방법 |
| US10446743B2 (en) | 2018-01-11 | 2019-10-15 | Qualcomm Incorporated | Double-patterned magneto-resistive random access memory (MRAM) for reducing magnetic tunnel junction (MTJ) pitch for increased MRAM bit cell density |
| US11211426B2 (en) | 2019-10-01 | 2021-12-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tunnel junction selector MRAM |
| KR102862389B1 (ko) | 2020-01-31 | 2025-09-22 | 삼성전자주식회사 | 자기 기억 소자 |
| CN112470275B (zh) * | 2020-10-29 | 2024-01-09 | 长江存储科技有限责任公司 | 三维存储器件中的同轴阶梯结构及其形成方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005101441A (ja) * | 2003-09-26 | 2005-04-14 | Anelva Corp | 磁気抵抗多層膜 |
| WO2007032379A1 (ja) * | 2005-09-13 | 2007-03-22 | Canon Anelva Corporation | 磁気抵抗効果素子の製造方法及び製造装置 |
| JP2008218829A (ja) * | 2007-03-06 | 2008-09-18 | Toshiba Corp | 磁気抵抗素子及びその製造方法 |
| JP2008235356A (ja) * | 2007-03-16 | 2008-10-02 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
| JP2012007194A (ja) * | 2010-06-22 | 2012-01-12 | Fujifilm Corp | 成膜装置および光電変換素子の製造方法 |
| JP2012204408A (ja) * | 2011-03-23 | 2012-10-22 | Toshiba Corp | 半導体装置の製造方法 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6984529B2 (en) | 2003-09-10 | 2006-01-10 | Infineon Technologies Ag | Fabrication process for a magnetic tunnel junction device |
| JP2005194589A (ja) * | 2004-01-08 | 2005-07-21 | Sony Corp | 真空装置およびその制御方法 |
| KR100561859B1 (ko) * | 2004-01-16 | 2006-03-16 | 삼성전자주식회사 | 컨택홀이 없는 나노 크기의 자기터널접합 셀 형성 방법 |
| JP2005268252A (ja) | 2004-03-16 | 2005-09-29 | Sony Corp | 磁気記憶装置の製造方法 |
| US20060168794A1 (en) * | 2005-01-28 | 2006-08-03 | Hitachi Global Storage Technologies | Method to control mask profile for read sensor definition |
| US20060158790A1 (en) * | 2005-01-14 | 2006-07-20 | Hitachi Global Storage Technologies | Magnetoresistive sensor having a novel junction structure for improved track width definition and pinned layer stability |
| US7639456B2 (en) | 2005-10-06 | 2009-12-29 | Hitachi Global Storage Technologies Netherlands B.V. | Double mill process for patterning current perpendicular to plane (CPP) magnetoresistive devices to minimize barrier shorting and barrier damage |
| US7509729B2 (en) * | 2006-04-25 | 2009-03-31 | Hitachi Global Storage Technologies Netherlands B.V. | Method for making a perpendicular magnetic recording write head |
| JP4630856B2 (ja) * | 2006-09-29 | 2011-02-09 | 株式会社東芝 | 磁気抵抗効果素子の製造方法 |
| US8472149B2 (en) | 2007-10-01 | 2013-06-25 | Tdk Corporation | CPP type magneto-resistive effect device and magnetic disk system |
| JP4494523B2 (ja) * | 2007-11-09 | 2010-06-30 | キヤノンアネルバ株式会社 | インライン型ウェハ搬送装置および基板搬送方法 |
| CN101855717B (zh) * | 2007-11-09 | 2011-10-19 | 佳能安内华股份有限公司 | 在线型晶圆输送装置 |
| KR100939111B1 (ko) | 2007-12-21 | 2010-01-28 | 주식회사 하이닉스반도체 | 자기터널접합소자 제조방법 |
| JP2009176806A (ja) | 2008-01-22 | 2009-08-06 | Fujitsu Ltd | 不揮発性磁気メモリ素子 |
| JP4875037B2 (ja) * | 2008-09-24 | 2012-02-15 | 株式会社東芝 | 磁気メモリ、その再生方法、および書き込み方法 |
| US7829923B2 (en) | 2008-10-23 | 2010-11-09 | Qualcomm Incorporated | Magnetic tunnel junction and method of fabrication |
| US7989224B2 (en) | 2009-04-30 | 2011-08-02 | International Business Machines Corporation | Sidewall coating for non-uniform spin momentum-transfer magnetic tunnel junction current flow |
| US8422285B2 (en) * | 2009-10-30 | 2013-04-16 | Grandis, Inc. | Method and system for providing dual magnetic tunneling junctions usable in spin transfer torque magnetic memories |
| US8159866B2 (en) * | 2009-10-30 | 2012-04-17 | Grandis, Inc. | Method and system for providing dual magnetic tunneling junctions usable in spin transfer torque magnetic memories |
| US8254162B2 (en) * | 2010-01-11 | 2012-08-28 | Grandis, Inc. | Method and system for providing magnetic tunneling junctions usable in spin transfer torque magnetic memories |
| JP2011198416A (ja) * | 2010-03-19 | 2011-10-06 | Toshiba Corp | 磁気メモリ |
| US8981502B2 (en) | 2010-03-29 | 2015-03-17 | Qualcomm Incorporated | Fabricating a magnetic tunnel junction storage element |
| JP2012014779A (ja) * | 2010-06-30 | 2012-01-19 | Ulvac Japan Ltd | 磁気記録媒体の製造方法 |
| US8374048B2 (en) * | 2010-08-11 | 2013-02-12 | Grandis, Inc. | Method and system for providing magnetic tunneling junction elements having a biaxial anisotropy |
| US8399941B2 (en) * | 2010-11-05 | 2013-03-19 | Grandis, Inc. | Magnetic junction elements having an easy cone anisotropy and a magnetic memory using such magnetic junction elements |
| CN102569642B (zh) * | 2010-12-07 | 2016-08-03 | 三星电子株式会社 | 存储节点、包括该存储节点的磁存储器件及其制造方法 |
| US8446761B2 (en) * | 2010-12-31 | 2013-05-21 | Grandis, Inc. | Method and system for providing multiple logic cells in a single stack |
| US8432009B2 (en) * | 2010-12-31 | 2013-04-30 | Grandis, Inc. | Method and system for providing magnetic layers having insertion layers for use in spin transfer torque memories |
-
2012
- 2012-07-20 US US13/553,965 patent/US9129690B2/en active Active
-
2013
- 2013-07-18 KR KR1020130084835A patent/KR102056886B1/ko active Active
- 2013-07-19 JP JP2013150526A patent/JP2014022751A/ja active Pending
- 2013-07-22 CN CN201310308993.4A patent/CN103579497B/zh active Active
-
2019
- 2019-01-24 JP JP2019010149A patent/JP2019071480A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005101441A (ja) * | 2003-09-26 | 2005-04-14 | Anelva Corp | 磁気抵抗多層膜 |
| WO2007032379A1 (ja) * | 2005-09-13 | 2007-03-22 | Canon Anelva Corporation | 磁気抵抗効果素子の製造方法及び製造装置 |
| JP2008218829A (ja) * | 2007-03-06 | 2008-09-18 | Toshiba Corp | 磁気抵抗素子及びその製造方法 |
| JP2008235356A (ja) * | 2007-03-16 | 2008-10-02 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
| JP2012007194A (ja) * | 2010-06-22 | 2012-01-12 | Fujifilm Corp | 成膜装置および光電変換素子の製造方法 |
| JP2012204408A (ja) * | 2011-03-23 | 2012-10-22 | Toshiba Corp | 半導体装置の製造方法 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015192150A (ja) * | 2014-03-27 | 2015-11-02 | ラム リサーチ コーポレーションLam Research Corporation | 不揮発性金属材料のエッチング方法 |
| KR102318520B1 (ko) * | 2014-03-27 | 2021-10-28 | 램 리써치 코포레이션 | 비휘발성 금속 재료의 에칭 방법 |
| KR20150112896A (ko) * | 2014-03-27 | 2015-10-07 | 램 리써치 코포레이션 | 비휘발성 금속 재료의 에칭 방법 |
| JP2017527097A (ja) * | 2014-07-25 | 2017-09-14 | スピン トランスファー テクノロジーズ インク | Mtjメモリデバイスの製造方法 |
| US10615335B2 (en) | 2015-04-21 | 2020-04-07 | Spin Memory, Inc. | Spin transfer torque structure for MRAM devices having a spin current injection capping layer |
| US10734574B2 (en) | 2015-04-21 | 2020-08-04 | Spin Memory, Inc. | Method of manufacturing high annealing temperature perpendicular magnetic anisotropy structure for magnetic random access memory |
| US10553787B2 (en) | 2015-06-16 | 2020-02-04 | Spin Memory, Inc. | Precessional spin current structure for MRAM |
| US10777736B2 (en) | 2015-07-30 | 2020-09-15 | Spin Memory, Inc. | Polishing stop layer(s) for processing arrays of semiconductor elements |
| US10643680B2 (en) | 2016-01-28 | 2020-05-05 | Spin Memory, Inc. | Memory cell having magnetic tunnel junction and thermal stability enhancement layer |
| US10665777B2 (en) | 2017-02-28 | 2020-05-26 | Spin Memory, Inc. | Precessional spin current structure with non-magnetic insertion layer for MRAM |
| US10672976B2 (en) | 2017-02-28 | 2020-06-02 | Spin Memory, Inc. | Precessional spin current structure with high in-plane magnetization for MRAM |
| US11271149B2 (en) | 2017-02-28 | 2022-03-08 | Integrated Silicon Solution, (Cayman) Inc. | Precessional spin current structure with nonmagnetic insertion layer for MRAM |
| US11355699B2 (en) | 2017-02-28 | 2022-06-07 | Integrated Silicon Solution, (Cayman) Inc. | Precessional spin current structure for MRAM |
| US10468588B2 (en) | 2018-01-05 | 2019-11-05 | Spin Memory, Inc. | Perpendicular magnetic tunnel junction device with skyrmionic enhancement layers for the precessional spin current magnetic layer |
| US11217745B2 (en) | 2018-09-06 | 2022-01-04 | Toshiba Memory Corporation | Magnetoresistive memory device and method for manufacturing magnetoresistive memory device |
| US10580827B1 (en) | 2018-11-16 | 2020-03-03 | Spin Memory, Inc. | Adjustable stabilizer/polarizer method for MRAM with enhanced stability and efficient switching |
Also Published As
| Publication number | Publication date |
|---|---|
| US9129690B2 (en) | 2015-09-08 |
| CN103579497B (zh) | 2017-04-12 |
| US20140022839A1 (en) | 2014-01-23 |
| CN103579497A (zh) | 2014-02-12 |
| KR102056886B1 (ko) | 2019-12-18 |
| JP2019071480A (ja) | 2019-05-09 |
| KR20140012595A (ko) | 2014-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102056886B1 (ko) | 자기 접합, 자기 메모리, 개선된 특성을 갖는 자기 접합을 제공하기 위한 방법 및 시스템 | |
| US9455400B2 (en) | Magnetic tunnel junction for MRAM applications | |
| US8722543B2 (en) | Composite hard mask with upper sacrificial dielectric layer for the patterning and etching of nanometer size MRAM devices | |
| US9269893B2 (en) | Replacement conductive hard mask for multi-step magnetic tunnel junction (MTJ) etch | |
| US11217744B2 (en) | Magnetic memory device with multiple sidewall spacers covering sidewall of MTJ element and method for manufacturing the same | |
| EP2412003B1 (en) | Method of double patterning and etching magnetic tunnel junction structures for spin-transfer torque mram devices | |
| US8133745B2 (en) | Method of magnetic tunneling layer processes for spin-transfer torque MRAM | |
| CN101312232A (zh) | 旋转扭矩转移磁阻式随机存取存储器装置 | |
| CN108232002B (zh) | 一种制备磁性隧道结阵列的方法 | |
| JP2015179844A (ja) | 犠牲挿入層を用いるスピン移動トルク磁気デバイスで使用可能な垂直磁気異方性磁気接合を提供する方法 | |
| US11723217B2 (en) | Magnetic tunnel junction element with RU hard mask for use in magnetic random-access memory | |
| US9236561B2 (en) | Method and system for providing multiple self-aligned logic cells in a single stack | |
| US10868236B2 (en) | Method for manufacturing reduced pitch magnetic random access memory pillar | |
| CN113826216B (zh) | 使用Ru及类金刚石碳硬掩模制造磁性存储器元件的方法 | |
| US10170518B2 (en) | Self-assembled pattern process for fabricating magnetic junctions usable in spin transfer torque applications | |
| US9666794B2 (en) | Multi-stage element removal using absorption layers | |
| US11329217B2 (en) | Method for manufacturing a magnetic random-access memory device using post pillar formation annealing | |
| US20120068280A1 (en) | Magnetic Nano-Ring Device and Method of Fabrication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20141226 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160715 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160715 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170406 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170417 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170704 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20171127 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180323 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20180409 |
|
| A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20180502 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190124 |