CN109207953B - 抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 - Google Patents
抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 Download PDFInfo
- Publication number
- CN109207953B CN109207953B CN201811268005.7A CN201811268005A CN109207953B CN 109207953 B CN109207953 B CN 109207953B CN 201811268005 A CN201811268005 A CN 201811268005A CN 109207953 B CN109207953 B CN 109207953B
- Authority
- CN
- China
- Prior art keywords
- sputtering
- coating
- percent
- target
- zralfe
- 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.)
- Active
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 111
- 239000011248 coating agent Substances 0.000 title claims abstract description 106
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 26
- 230000003647 oxidation Effects 0.000 title claims abstract description 25
- 229910008328 ZrNx Inorganic materials 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000004544 sputter deposition Methods 0.000 claims abstract description 118
- 238000000151 deposition Methods 0.000 claims abstract description 55
- 229910001093 Zr alloy Inorganic materials 0.000 claims abstract description 37
- 150000004767 nitrides Chemical class 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000005516 engineering process Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 12
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 150000002739 metals Chemical class 0.000 claims abstract 2
- 230000008021 deposition Effects 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 16
- 238000005253 cladding Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000013077 target material Substances 0.000 claims description 12
- 229910052726 zirconium Inorganic materials 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000005137 deposition process Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims 1
- 238000001755 magnetron sputter deposition Methods 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000005477 sputtering target Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 9
- 239000000956 alloy Substances 0.000 description 10
- 239000003758 nuclear fuel Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000001341 grazing-angle X-ray diffraction Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910010037 TiAlN Inorganic materials 0.000 description 1
- -1 TiN Chemical class 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
- C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
- C23C14/025—Metallic sublayers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/048—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material with layers graded in composition or physical properties
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811268005.7A CN109207953B (zh) | 2018-10-29 | 2018-10-29 | 抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811268005.7A CN109207953B (zh) | 2018-10-29 | 2018-10-29 | 抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109207953A CN109207953A (zh) | 2019-01-15 |
CN109207953B true CN109207953B (zh) | 2020-07-03 |
Family
ID=64997587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811268005.7A Active CN109207953B (zh) | 2018-10-29 | 2018-10-29 | 抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109207953B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115341186A (zh) * | 2021-05-13 | 2022-11-15 | 四川大学 | 一种耐高温辐照氧化钇掺杂TaTiNbZr多主元合金涂层制备工艺 |
CN113987760B (zh) * | 2021-10-09 | 2023-03-28 | 武汉理工大学 | 原子自组装多元涂层的设计制备方法 |
CN114540753B (zh) * | 2022-03-22 | 2024-01-26 | 西安工业大学 | 提高高熵氮化物膜膜基结合强度的梯度过渡层及制备方法 |
CN115029677B (zh) * | 2022-06-27 | 2023-10-31 | 商丘市鸿大光电有限公司 | 高透氢同位素和耐高温TaVNbZr/(TaVNbZrM)Nx复合梯度阻挡层制备工艺 |
CN115074685B (zh) * | 2022-06-27 | 2023-10-27 | 商丘市鸿大光电有限公司 | 钽/钯催化氢纯化用耐高温TaVNb/TaVNbHfZr复合梯度阻挡层制备工艺 |
CN116372206B (zh) * | 2023-03-09 | 2024-03-19 | 株洲肯特硬质合金股份有限公司 | 一种刀具用纳米涂层及涂层刀具 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5244495B2 (ja) * | 2008-08-06 | 2013-07-24 | 三菱重工業株式会社 | 回転機械用の部品 |
CN102787300A (zh) * | 2011-05-18 | 2012-11-21 | 中国核动力研究设计院 | 一种超临界水冷堆燃料包壳表面的Cr/CrAlN梯度涂层工艺 |
CN102277554B (zh) * | 2011-07-29 | 2013-06-26 | 山推工程机械股份有限公司 | 梯度叠层涂层刀具及其制备方法 |
CN102400099B (zh) * | 2011-11-04 | 2013-06-12 | 四川大学 | 核裂变堆燃料包壳表面CrAlSiN梯度涂层制备工艺 |
CN102437145A (zh) * | 2011-12-06 | 2012-05-02 | 西安交通大学 | 一种自形成梯度Zr/ZrN双层扩散阻挡层及其制备方法 |
CN102808161B (zh) * | 2012-05-29 | 2014-03-26 | 四川大学 | 口腔烤瓷用钛瓷TiN/ZrTiSiN复合过渡阻挡层制备工艺 |
CN103132019B (zh) * | 2013-03-20 | 2015-03-11 | 洛阳理工学院 | 一种A1ZrCrN复合双梯度涂层刀具及其制备方法 |
CN107201499B (zh) * | 2017-05-26 | 2019-09-17 | 东北大学 | 一种钛合金切削用成分梯度TiAlXN涂层刀具及其制备方法 |
-
2018
- 2018-10-29 CN CN201811268005.7A patent/CN109207953B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109207953A (zh) | 2019-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109207953B (zh) | 抗高温氧化ZrNx/(ZrAlFe)N/(ZrAlFeM)N复合梯度涂层制备工艺 | |
CN109666911B (zh) | 核用锆合金包壳表面耐高温腐蚀的高熵合金涂层及其制备方法 | |
CN109852943B (zh) | 核用锆合金表面CrN涂层的制备方法及产品 | |
CN111074224B (zh) | 一种耐腐蚀高熵合金氮化物涂层、其制备方法及应用 | |
JP6999810B2 (ja) | 高温耐酸化性が向上されたジルコニウム合金被覆管及びその製造方法 | |
CN109913771B (zh) | 一种VAlTiCrSi高熵合金薄膜及其在海水环境下的应用 | |
CN115029677B (zh) | 高透氢同位素和耐高温TaVNbZr/(TaVNbZrM)Nx复合梯度阻挡层制备工艺 | |
CN115305443B (zh) | 一种锆基非晶多组元氧化物涂层的制备方法及应用 | |
CN103255373A (zh) | 一种TaVN复合涂层及其制备方法 | |
CN115341186A (zh) | 一种耐高温辐照氧化钇掺杂TaTiNbZr多主元合金涂层制备工艺 | |
CN103924203A (zh) | 一种基体表面的耐辐照防护涂层及其制备方法 | |
CN115142018A (zh) | 一种耐高温液态铅/铅铋合金腐蚀的高熵合金涂层及其制备方法 | |
CN109338303B (zh) | 一种用于锆合金防护的非晶与纳米晶复合涂层及其制备方法 | |
He et al. | Microstructure, mechanical properties and high temperature corrosion of [AlTiCrNiTa/(AlTiCrNiTa) N] 20 high entropy alloy multilayer coatings for nuclear fuel cladding | |
CN110408894B (zh) | 一种Ti-Mg合金涂层及其制备方法与应用 | |
CN109252137B (zh) | 锆合金表面涂层的制备方法 | |
CN115852326B (zh) | 一种耐液态铅/铅铋腐蚀的FeCrAlYTi高熵合金涂层的制备方法 | |
Zhou et al. | Effect of multi-arc current on the microstructure and properties of TiAlSiN coating on zircaloy-4 alloy | |
ZHANG et al. | Influence of substrate bias on microstructure and morphology of ZrN thin films deposited by arc ion plating | |
CN114645254B (zh) | 一种TiAlMoNbW高熵合金氮化物薄膜及其制备工艺 | |
Zhu et al. | Effect of bias voltage on the microstructure, mechanical properties, and high-temperature steam oxidation behavior of Cr coatings prepared by magnetron sputtering on zircaloy-4 alloy | |
CN115679258A (zh) | 一种高硬耐磨CrAlBN基复合涂层及其制备方法 | |
CN113430488B (zh) | 一种核反应堆燃料包壳纳米复合涂层及其制备方法 | |
CN114959584A (zh) | 一种TaNbTi基难熔中熵非晶合金涂层及其制备方法 | |
CN110527970B (zh) | 一种全陶瓷基高温太阳能吸收涂层及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220314 Address after: 476005 SuZhuang village, Xincheng office, Suiyang District, Shangqiu City, Henan Province Patentee after: Tian Haijun Address before: 610065, No. 24, south section of first ring road, Chengdu, Sichuan, Wuhou District Patentee before: SICHUAN University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240710 Address after: 476000 No. 2122, Suzhuang Village, the Pearl River West Road, Xincheng Street, Suiyang District, Shangqiu City, Henan Province Patentee after: Henan Hongdayun Technology Co.,Ltd. Country or region after: China Address before: 476005 SuZhuang village, Xincheng office, Suiyang District, Shangqiu City, Henan Province Patentee before: Tian Haijun Country or region before: China |