FR2876497B1 - Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication - Google Patents

Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication

Info

Publication number
FR2876497B1
FR2876497B1 FR0410789A FR0410789A FR2876497B1 FR 2876497 B1 FR2876497 B1 FR 2876497B1 FR 0410789 A FR0410789 A FR 0410789A FR 0410789 A FR0410789 A FR 0410789A FR 2876497 B1 FR2876497 B1 FR 2876497B1
Authority
FR
France
Prior art keywords
mgo
manufacturing
same
electrical insulation
based coating
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.)
Expired - Lifetime
Application number
FR0410789A
Other languages
English (en)
Other versions
FR2876497A1 (fr
Inventor
Celine Bondoux
Philippe Prene
Philippe Belleville
Robert Jerisian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR0410789A priority Critical patent/FR2876497B1/fr
Priority to US11/664,765 priority patent/US8821961B2/en
Priority to JP2007536235A priority patent/JP5373287B2/ja
Priority to EP05810812A priority patent/EP1800336A1/fr
Priority to PCT/FR2005/050844 priority patent/WO2006040499A1/fr
Publication of FR2876497A1 publication Critical patent/FR2876497A1/fr
Application granted granted Critical
Publication of FR2876497B1 publication Critical patent/FR2876497B1/fr
Priority to US14/338,706 priority patent/US20140332935A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/69Inorganic materials
    • H10P14/692Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
    • H10P14/6938Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides
    • H10P14/6939Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00Compounds of magnesium
    • C01F5/02Magnesia
    • C01F5/06Magnesia by thermal decomposition of magnesium compounds
    • C01F5/08Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/66Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials
    • H10P14/668Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W42/00Arrangements for protection of devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00Encapsulations, e.g. protective coatings
    • H10W74/10Encapsulations, e.g. protective coatings characterised by their shape or disposition
    • H10W74/131Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed
    • H10W74/137Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed the encapsulations being directly on the semiconductor body
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40Oxides
    • C23C16/403Oxides of aluminium, magnesium or beryllium
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/63Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
    • H10P14/6326Deposition processes
    • H10P14/6342Liquid deposition, e.g. spin-coating, sol-gel techniques or spray coating
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/69Inorganic materials
    • H10P14/692Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
    • H10P14/6938Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/69Inorganic materials
    • H10P14/692Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
    • H10P14/6938Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides
    • H10P14/6939Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal
    • H10P14/69391Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal the material containing aluminium, e.g. Al2O3
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00Interconnections in chips, wafers or substrates
    • H10W20/40Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/45Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their insulating parts
    • H10W20/48Insulating materials thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Formation Of Insulating Films (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR0410789A 2004-10-13 2004-10-13 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication Expired - Lifetime FR2876497B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0410789A FR2876497B1 (fr) 2004-10-13 2004-10-13 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication
US11/664,765 US8821961B2 (en) 2004-10-13 2005-10-12 MgO-based coating for electrically insulating semiconductive substrates and production method thereof
JP2007536235A JP5373287B2 (ja) 2004-10-13 2005-10-12 電気絶縁性半導体基板のMgOベースのコーティング及びその製造方法
EP05810812A EP1800336A1 (fr) 2004-10-13 2005-10-12 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication
PCT/FR2005/050844 WO2006040499A1 (fr) 2004-10-13 2005-10-12 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication
US14/338,706 US20140332935A1 (en) 2004-10-13 2014-07-23 MgO-Based Coating for Electrically Insulating Semiconductive Substrates and Production Method Thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0410789A FR2876497B1 (fr) 2004-10-13 2004-10-13 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication

Publications (2)

Publication Number Publication Date
FR2876497A1 FR2876497A1 (fr) 2006-04-14
FR2876497B1 true FR2876497B1 (fr) 2007-03-23

Family

ID=34951157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0410789A Expired - Lifetime FR2876497B1 (fr) 2004-10-13 2004-10-13 Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication

Country Status (5)

Country Link
US (2) US8821961B2 (fr)
EP (1) EP1800336A1 (fr)
JP (1) JP5373287B2 (fr)
FR (1) FR2876497B1 (fr)
WO (1) WO2006040499A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4528950B2 (ja) * 2005-06-23 2010-08-25 独立行政法人産業技術総合研究所 強誘電体膜構造体の製造方法
US8878245B2 (en) * 2006-11-30 2014-11-04 Cree, Inc. Transistors and method for making ohmic contact to transistors
US8368100B2 (en) 2007-11-14 2013-02-05 Cree, Inc. Semiconductor light emitting diodes having reflective structures and methods of fabricating same
JP5899615B2 (ja) * 2010-03-18 2016-04-06 株式会社リコー 絶縁膜の製造方法及び半導体装置の製造方法
CN102782858B (zh) 2009-12-25 2015-10-07 株式会社理光 场效应晶体管、半导体存储器、显示元件、图像显示设备和系统
US9070851B2 (en) 2010-09-24 2015-06-30 Seoul Semiconductor Co., Ltd. Wafer-level light emitting diode package and method of fabricating the same
FR2967992B1 (fr) 2010-11-26 2015-05-29 Commissariat Energie Atomique Preparation de sols d'oxydes metalliques stables, utiles notamment pour la fabrication de films minces a proprietes optiques et resistants a l'abrasion
DE102014108348A1 (de) * 2014-06-13 2015-12-17 Osram Opto Semiconductors Gmbh Verfahren zur Herstellung einer Beschichtung sowie optoelektronisches Halbleiterbauteil mit einer Beschichtung
US10593816B2 (en) * 2015-01-08 2020-03-17 Korea Research Institute Of Chemical Technology Method for manufacturing device comprising inorganic/organic hybrid perovskite compound film and device comprising inorganic/organic hybrid perovskite compound film
CN205944139U (zh) 2016-03-30 2017-02-08 首尔伟傲世有限公司 紫外线发光二极管封装件以及包含此的发光二极管模块
CN105869711B (zh) * 2016-06-17 2017-11-24 辽宁嘉顺化工科技有限公司 铁盘类电热元件的绝缘层材料及其制备方法
WO2025169766A1 (fr) * 2024-02-09 2025-08-14 東京エレクトロン株式会社 Dispositif de formation de film, procédé de formation de film et procédé de traitement de substrrat

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796364A (en) * 1952-10-02 1957-06-18 Lydia A Suchoff Method of forming an adherent film of magnesium oxide
JPS58130546A (ja) 1981-12-28 1983-08-04 Ibiden Co Ltd 炭化珪素質基板およびその製造方法
JPS6014442A (ja) 1983-07-06 1985-01-25 Toshiba Corp ガラス薄膜被覆半導体デバイス
JPS63192895A (ja) 1987-02-05 1988-08-10 Sumitomo Electric Ind Ltd コ−テイング部材
JPH01234569A (ja) * 1988-03-15 1989-09-19 Toshiro Maruyama 酸化マグネシウム膜の製造方法
US5318800A (en) * 1989-09-15 1994-06-07 Academy Of Applied Science Method of forming high temperature thermally stable micron metal oxide coatings on substrates and improved metal oxide coated products
JPH03190984A (ja) 1989-12-19 1991-08-20 Hitachi Chem Co Ltd 酸化物被膜形成用塗布液及び酸化物被膜の製造法
JPH05139892A (ja) * 1991-11-20 1993-06-08 Nikon Corp 酸化物強誘電薄膜の製造方法
JPH05139895A (ja) * 1991-11-20 1993-06-08 Nikon Corp 酸化物強誘電薄膜の製造方法
JP3032374B2 (ja) 1992-03-30 2000-04-17 太陽誘電株式会社 酸化マグネシウム薄膜の形成方法
JP2895684B2 (ja) 1992-08-05 1999-05-24 住友特殊金属株式会社 Ni−Fe系合金コアの製造方法
US6133050A (en) * 1992-10-23 2000-10-17 Symetrix Corporation UV radiation process for making electronic devices having low-leakage-current and low-polarization fatigue
JPH06293879A (ja) * 1993-04-09 1994-10-21 Hitachi Chem Co Ltd 酸化物被膜形成用塗布液および酸化物被膜の製造法
DE69511490T2 (de) * 1994-02-28 2000-03-16 Koninklijke Philips Electronics N.V. Beschichtungslösung für die herstellung einer magnesiumoxidschicht und verfahren zur herstellung einer solchen schicht
JPH08111177A (ja) 1994-10-12 1996-04-30 Dainippon Printing Co Ltd 交流型プラズマディスプレイ及びその製造方法
JPH08329844A (ja) * 1995-03-31 1996-12-13 Dainippon Printing Co Ltd 交流型プラズマディスプレイ及びその製造方法
JP3851367B2 (ja) * 1995-10-09 2006-11-29 大日本印刷株式会社 ゾル溶液及び膜形成方法
US6149967A (en) * 1995-10-09 2000-11-21 Dai Nippon Printing Co., Ltd. Sol solution and method for film formation
DE19548863A1 (de) * 1995-12-27 1997-07-03 Rwe Dea Ag Verfahren zur Herstellung von hochreinem Magnesiumhydroxid und Magnesiumoxid aus Magnesiumalkoxiden
EP0831520B1 (fr) * 1996-07-19 2004-09-29 Infineon Technologies AG Méthode de fabrication d'une structure MIS en carbure de silicium (SiC)
US6013309A (en) * 1997-02-13 2000-01-11 Lg Electronics Inc. Protection layer of plasma display panel and method of forming the same
JP2001516156A (ja) * 1997-09-10 2001-09-25 インフィネオン テクノロジース アクチエンゲゼルシャフト 半導体構成素子
SE9704150D0 (sv) * 1997-11-13 1997-11-13 Abb Research Ltd Semiconductor device of SiC with insulating layer a refractory metal nitride layer
SE9704149D0 (sv) * 1997-11-13 1997-11-13 Abb Research Ltd A semiconductor device of SiC and a transistor of SiC having an insulated gate
SE9800286D0 (sv) * 1998-02-02 1998-02-02 Abb Research Ltd A transistor of SiC
US6071555A (en) * 1998-11-05 2000-06-06 The United States Of America As Represented By The Secretary Of The Army Ferroelectric thin film composites made by metalorganic decomposition
JP2001031681A (ja) 1999-07-16 2001-02-06 Noritake Co Ltd 金属有機化合物および金属酸化物膜形成方法
JP2001110321A (ja) 1999-10-05 2001-04-20 Fujitsu Ltd プラズマディスプレイパネル
JP2001279442A (ja) 2000-03-29 2001-10-10 Fujitsu Ltd 絶縁膜の製造方法
JP2002043482A (ja) * 2000-05-17 2002-02-08 Ngk Insulators Ltd 電子回路用部材及びその製造方法並びに電子部品
US6528373B2 (en) * 2001-02-12 2003-03-04 Cree, Inc. Layered dielectric on silicon carbide semiconductor structures
EP1363325B1 (fr) 2001-02-22 2013-02-20 NGK Insulators, Ltd. Element pour circuit electronique, procede de fabrication d'un tel element
JP2003258242A (ja) * 2002-03-07 2003-09-12 Fujitsu Ltd 半導体装置およびその製造方法

Also Published As

Publication number Publication date
FR2876497A1 (fr) 2006-04-14
JP5373287B2 (ja) 2013-12-18
US20140332935A1 (en) 2014-11-13
EP1800336A1 (fr) 2007-06-27
US8821961B2 (en) 2014-09-02
JP2008516459A (ja) 2008-05-15
WO2006040499A1 (fr) 2006-04-20
US20080258270A1 (en) 2008-10-23

Similar Documents

Publication Publication Date Title
FR2851372B1 (fr) Procede de fabrication d'un substrat a couche isolante enterree
FR2876497B1 (fr) Revetement a base de mgo pour l'isolation electrique de substrats semi-conducteurs et procede de fabrication
GB2383188B (en) Method for the fabrication of electrical contacts
EP2044624A4 (fr) Structures d'isolation pour circuit integres et leurs procedes modulaires de fabrication
GB2378043B (en) Method for the fabrication of electrical contacts
SG91948A1 (en) Manufacturing method of multilayer substrate and multilayer substrate produced by the manufacturing method
SG84563A1 (en) Method for manufacturing electronic component of laminated ceramics
GB0024398D0 (en) Methods of manufacturing semiconductor devices
EP1376700A4 (fr) Plaquette de silicium sur isolant et procede de fabrication associe
SG90747A1 (en) Method of pre-cleaning dielectric layers of substrates
GB2375229B (en) Method of fabrication of capacitor for semiconductor devices
GB0220438D0 (en) Formation of lattice-turning semiconductor substrates
EP1372364A4 (fr) Procede de fabrication d'un substrat en forme de circuit
FR2847385B1 (fr) Substrat multicouche en ceramique et procede de fabrication de celui-ci
DE60220736D1 (de) Herstellungsverfahren für gebondetes Substrat
GB2365213B (en) Method of fabricating capacitors for semiconductor devices
GB2395605B (en) Ceramic multilayer substrate and method for manufacturing the same
EP1830414A4 (fr) Substrat pour montage d'elements et procede de fabrication
ITMI20021099A0 (it) Struttura d'isolamento a dielettrico per l'integrazione di dispositivi elettronico a semiconduttore e relativo processo di realizzazione
GB0205528D0 (en) Method of manufacturing semiconductor devices
AU2002364274A8 (en) Insulation trench for an integrated circuit and method for production thereof
DE60142158D1 (de) Herstellungsverfahren für simox substrat
AU2002319930A8 (en) Deposition method of insulating layers having low dielectric constant of semiconductor device
AU2002360265A1 (en) Pattern for improved visual inspection of semiconductor devices
GB0206889D0 (en) Method of forming an electrical circuit on a substrate

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14