CN108614009B - 一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 - Google Patents
一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 Download PDFInfo
- Publication number
- CN108614009B CN108614009B CN201810503084.9A CN201810503084A CN108614009B CN 108614009 B CN108614009 B CN 108614009B CN 201810503084 A CN201810503084 A CN 201810503084A CN 108614009 B CN108614009 B CN 108614009B
- Authority
- CN
- China
- Prior art keywords
- tubular
- gas sensor
- sensor
- nanotube array
- carrier gas
- 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
- 239000002071 nanotube Substances 0.000 title claims abstract description 71
- 239000012159 carrier gas Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000243 solution Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000011065 in-situ storage Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 239000002360 explosive Substances 0.000 claims abstract description 10
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 10
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- 239000000383 hazardous chemical Substances 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000003487 electrochemical reaction Methods 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 4
- JAJIPIAHCFBEPI-UHFFFAOYSA-N 9,10-dioxoanthracene-1-sulfonic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)O JAJIPIAHCFBEPI-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 238000005979 thermal decomposition reaction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000011148 porous material Substances 0.000 description 12
- 239000002041 carbon nanotube Substances 0.000 description 11
- 229910021393 carbon nanotube Inorganic materials 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910018879 Pt—Pd Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002238 carbon nanotube film Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810503084.9A CN108614009B (zh) | 2018-05-23 | 2018-05-23 | 一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810503084.9A CN108614009B (zh) | 2018-05-23 | 2018-05-23 | 一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108614009A CN108614009A (zh) | 2018-10-02 |
CN108614009B true CN108614009B (zh) | 2021-02-26 |
Family
ID=63663820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810503084.9A Active CN108614009B (zh) | 2018-05-23 | 2018-05-23 | 一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108614009B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110174449A (zh) * | 2019-07-01 | 2019-08-27 | 哈尔滨理工大学 | 一种珠球状热导式气体传感器及其制备方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1175690A (zh) * | 1996-08-31 | 1998-03-11 | Lg电子株式会社 | 可燃气体传感器及其制造方法 |
KR100810122B1 (ko) * | 2007-03-07 | 2008-03-06 | 한국에너지기술연구원 | 팔라듐과 백금이 분산된 타이타늄산화물 나노튜브를 적용한접촉연소식 가스 센서 |
CN101371982A (zh) * | 2008-09-03 | 2009-02-25 | 中国矿业大学 | 纳米催化元件的制备方法 |
CN102183558A (zh) * | 2011-03-16 | 2011-09-14 | 中国科学院合肥物质科学研究院 | 分级多孔纳米氧化铝/金复合薄膜电极及其制备方法 |
CN103316670A (zh) * | 2013-05-22 | 2013-09-25 | 重庆金正电子设备厂 | 甲烷载体热催化元件的制备方法 |
CN103668381A (zh) * | 2012-09-04 | 2014-03-26 | 中国科学院宁波材料技术与工程研究所 | 一种绝缘基片上原位多孔氧化铝膜的制备方法 |
CN103760196A (zh) * | 2014-02-19 | 2014-04-30 | 中国工程物理研究院化工材料研究所 | 一种水钠锰矿型二氧化锰纳米片氢气传感器及其制备方法 |
CN105717169A (zh) * | 2014-12-18 | 2016-06-29 | 德尔格安全股份两合公司 | 气体传感器、用于气体传感器的测量元件及其制造方法 |
CN107677704A (zh) * | 2017-09-26 | 2018-02-09 | 哈尔滨工程大学 | 一种纳米管材料的气体传感器的制备方法及气体传感器 |
-
2018
- 2018-05-23 CN CN201810503084.9A patent/CN108614009B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1175690A (zh) * | 1996-08-31 | 1998-03-11 | Lg电子株式会社 | 可燃气体传感器及其制造方法 |
KR100810122B1 (ko) * | 2007-03-07 | 2008-03-06 | 한국에너지기술연구원 | 팔라듐과 백금이 분산된 타이타늄산화물 나노튜브를 적용한접촉연소식 가스 센서 |
CN101371982A (zh) * | 2008-09-03 | 2009-02-25 | 中国矿业大学 | 纳米催化元件的制备方法 |
CN102183558A (zh) * | 2011-03-16 | 2011-09-14 | 中国科学院合肥物质科学研究院 | 分级多孔纳米氧化铝/金复合薄膜电极及其制备方法 |
CN103668381A (zh) * | 2012-09-04 | 2014-03-26 | 中国科学院宁波材料技术与工程研究所 | 一种绝缘基片上原位多孔氧化铝膜的制备方法 |
CN103316670A (zh) * | 2013-05-22 | 2013-09-25 | 重庆金正电子设备厂 | 甲烷载体热催化元件的制备方法 |
CN103760196A (zh) * | 2014-02-19 | 2014-04-30 | 中国工程物理研究院化工材料研究所 | 一种水钠锰矿型二氧化锰纳米片氢气传感器及其制备方法 |
CN105717169A (zh) * | 2014-12-18 | 2016-06-29 | 德尔格安全股份两合公司 | 气体传感器、用于气体传感器的测量元件及其制造方法 |
CN107677704A (zh) * | 2017-09-26 | 2018-02-09 | 哈尔滨工程大学 | 一种纳米管材料的气体传感器的制备方法及气体传感器 |
Also Published As
Publication number | Publication date |
---|---|
CN108614009A (zh) | 2018-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107677704B (zh) | 一种纳米管材料的气体传感器的制备方法及气体传感器 | |
Jia et al. | Micro/nanostructured ordered porous films and their structurally induced control of the gas sensing performances | |
Zhu et al. | Heterostructured α‐Fe2O3@ ZnO@ ZIF‐8 Core–Shell Nanowires for a Highly Selective MEMS‐Based ppb‐Level H2S Gas Sensor System | |
CN108956715B (zh) | 一种Au@WO3核壳结构纳米球及其制备方法和应用 | |
CN104749225A (zh) | ZnO/ZnFe2O4复合敏感材料、制备方法及在丙酮气体传感器中的应用 | |
CN102248737B (zh) | 以WO3为基材的Cr2O3或NiO的多孔薄膜材料的制备方法及制备气敏传感器的方法 | |
CN105548275A (zh) | 一种基于NiO/ZnO异质结构纳米花敏感材料的丙酮传感器及其制备方法 | |
CN106770497A (zh) | 一种基于Pt/α‑Fe2O3多孔纳米球敏感材料的丙酮气体传感器及其制备方法 | |
CN104849324B (zh) | 一种基于石墨烯/多壁碳纳米管/氧化锌复合材料的电阻型气体传感器及制作方法 | |
CN104950017A (zh) | 基于核-壳花球状ZnFe2O4纳米材料的气体传感器、制备方法及其应用 | |
CN105181762B (zh) | 一种基于Co‑Sn复合氧化物半导体敏感材料的乙醇传感器 | |
WO2021228016A1 (zh) | 一种基于金属修饰多孔掺硼金刚石电极的非酶生物传感器及其制备方法和应用 | |
CN105259239A (zh) | NiNb2O6为敏感电极的YSZ基混成电位型丙酮传感器及制备方法 | |
CN108614009B (zh) | 一种管状轮辐式纳米管阵列载体气体传感器的制造方法、传感器及其应用 | |
CN105806899A (zh) | Pt-SnO2氧化物半导体一氧化碳传感器制备与应用 | |
CN111830089A (zh) | 一种基于双壳形Cu2O分等级结构微米球敏感材料的正丙醇气体传感器及其制备方法 | |
CN105891272A (zh) | 一种基于担载贵金属Au的介孔WO3材料的正丁醇气体传感器及其制备方法 | |
CN108169291A (zh) | 基于分等级结构的Zn掺杂CdS纳米敏感材料的乙醇传感器、制备方法及其应用 | |
CN113189153A (zh) | 基于ZnO多孔纳米片微球敏感材料的乙醇传感器、制备方法及其应用 | |
CN103105421A (zh) | 一种基于GaN-Ga2O3核壳结构纳米线半导体气敏材料 | |
CN112014445A (zh) | 一种三元复合材料及其应用 | |
Li et al. | Room temperature hydrogen gas sensor based on Pd decorated bridging GaN nanowires | |
CN110479193B (zh) | 聚苯胺/石墨烯胶囊三维空心杂化结构及制备方法和应用 | |
CN110082397B (zh) | 四氧化三钴氧化物半导体二甲苯传感器及其制备方法与应用 | |
CN115308268B (zh) | 一种基于暴露富含Co2+晶面的Co3O4介孔纳米片的甲苯气体传感器及其制备方法 |
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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190624 Address after: 150001 145 Nantong street, Nangang District, Harbin, Heilongjiang. Applicant after: Harbin Engineering Univ. Applicant after: Chongqing Hai Shi measurement and Control Technology Co., Ltd. Applicant after: Chongqing Haishi Intelligent Science and Technology Research Institute Co., Ltd. Address before: 150001 145 Nantong street, Nangang District, Harbin, Heilongjiang. Applicant before: Harbin Engineering Univ. Applicant before: Chongqing Hai Shi measurement and Control Technology Co., Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |