CN107759225A - 一种高热导率氮化铝陶瓷的制备方法 - Google Patents
一种高热导率氮化铝陶瓷的制备方法 Download PDFInfo
- Publication number
- CN107759225A CN107759225A CN201711235697.0A CN201711235697A CN107759225A CN 107759225 A CN107759225 A CN 107759225A CN 201711235697 A CN201711235697 A CN 201711235697A CN 107759225 A CN107759225 A CN 107759225A
- Authority
- CN
- China
- Prior art keywords
- aluminium nitride
- sintering
- preparation
- hot pressed
- nitride ceramics
- 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.)
- Granted
Links
- 229910017083 AlN Inorganic materials 0.000 title claims abstract description 43
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000000919 ceramic Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical group N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 230000002706 hydrostatic effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000001035 drying Methods 0.000 description 9
- 238000000462 isostatic pressing Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011805 ball Substances 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000000280 densification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/581—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on aluminium nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711235697.0A CN107759225B (zh) | 2017-11-30 | 2017-11-30 | 一种高热导率氮化铝陶瓷的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711235697.0A CN107759225B (zh) | 2017-11-30 | 2017-11-30 | 一种高热导率氮化铝陶瓷的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107759225A true CN107759225A (zh) | 2018-03-06 |
CN107759225B CN107759225B (zh) | 2020-11-10 |
Family
ID=61277204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711235697.0A Active CN107759225B (zh) | 2017-11-30 | 2017-11-30 | 一种高热导率氮化铝陶瓷的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107759225B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111484333A (zh) * | 2019-01-28 | 2020-08-04 | 华中科技大学 | 一种兼具高热导率和高强度的氮化铝陶瓷及其制备方法 |
CN112811909A (zh) * | 2021-01-06 | 2021-05-18 | 北京科技大学 | 一种热压烧结制备高强度高热导率氮化铝的方法 |
CN114773069A (zh) * | 2022-05-09 | 2022-07-22 | 秦皇岛光岩科技有限公司 | 大功率集成电路用高热导率氮化硅陶瓷基板的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156051A (en) * | 1975-11-10 | 1979-05-22 | Tokyo Shibaura Electric Co., Ltd. | Composite ceramic articles |
CN101570437A (zh) * | 2009-04-30 | 2009-11-04 | 潮州三环(集团)股份有限公司 | 一种连续式低温烧结高导热率AlN陶瓷的方法及其产品 |
CN101985396A (zh) * | 2010-11-03 | 2011-03-16 | 刘述江 | 采用烧块切片法制备氮化铝陶瓷基片的方法 |
CN102924073A (zh) * | 2012-11-16 | 2013-02-13 | 北京雷生强式科技有限责任公司 | 采用热压后处理制备掺杂钇铝石榴石透明激光陶瓷的方法 |
CN104159871A (zh) * | 2011-12-30 | 2014-11-19 | 戴蒙得创新股份有限公司 | 近净成型切削刀具刀片 |
-
2017
- 2017-11-30 CN CN201711235697.0A patent/CN107759225B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156051A (en) * | 1975-11-10 | 1979-05-22 | Tokyo Shibaura Electric Co., Ltd. | Composite ceramic articles |
CN101570437A (zh) * | 2009-04-30 | 2009-11-04 | 潮州三环(集团)股份有限公司 | 一种连续式低温烧结高导热率AlN陶瓷的方法及其产品 |
CN101985396A (zh) * | 2010-11-03 | 2011-03-16 | 刘述江 | 采用烧块切片法制备氮化铝陶瓷基片的方法 |
CN104159871A (zh) * | 2011-12-30 | 2014-11-19 | 戴蒙得创新股份有限公司 | 近净成型切削刀具刀片 |
CN102924073A (zh) * | 2012-11-16 | 2013-02-13 | 北京雷生强式科技有限责任公司 | 采用热压后处理制备掺杂钇铝石榴石透明激光陶瓷的方法 |
Non-Patent Citations (2)
Title |
---|
GIUSEPPE PEZZOTTI等: "Effect of extended annealing cycles on the thermal conductivity of AlN/Y2O3 ceramics", 《JOURNAL OF THE EUROPEAN CERAMIC SOCIETY》 * |
牛晨旭: "J-R型氮化铝陶瓷静电吸盘的设计与制造", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111484333A (zh) * | 2019-01-28 | 2020-08-04 | 华中科技大学 | 一种兼具高热导率和高强度的氮化铝陶瓷及其制备方法 |
CN112811909A (zh) * | 2021-01-06 | 2021-05-18 | 北京科技大学 | 一种热压烧结制备高强度高热导率氮化铝的方法 |
CN114773069A (zh) * | 2022-05-09 | 2022-07-22 | 秦皇岛光岩科技有限公司 | 大功率集成电路用高热导率氮化硅陶瓷基板的制备方法 |
CN114773069B (zh) * | 2022-05-09 | 2023-07-28 | 秦皇岛光岩科技有限公司 | 大功率集成电路用高热导率氮化硅陶瓷基板的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107759225B (zh) | 2020-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107188567B (zh) | 一种高热导率氮化铝陶瓷的制备方法 | |
CN107759225A (zh) | 一种高热导率氮化铝陶瓷的制备方法 | |
CN110128115A (zh) | 一种闪烧制备氧化物共晶陶瓷的方法 | |
CN102070341A (zh) | 一种自增韧氮化硅陶瓷微波固相合成制备方法 | |
CN110395988B (zh) | 一种高强度氮化硼陶瓷及其制备方法 | |
CN101734923A (zh) | 一种氮化铝多孔陶瓷及其制备方法 | |
CN102170716A (zh) | 氮化硅发热体的制作方法 | |
KR101719928B1 (ko) | Bi-Te계 세라믹스의 제조방법 | |
CN108610055A (zh) | 一种低温液相烧结制备致密氮化硅陶瓷的方法 | |
CN110183227A (zh) | 一种Li2MoO4-Mg2SiO4基复合陶瓷微波材料及其制备方法 | |
CN108529572A (zh) | 一种致密六方氮化硼块体的制备方法 | |
CN104744051B (zh) | 一种氮化硅坩埚的制作方法 | |
KR101151209B1 (ko) | 머시너블 흑색 세라믹 복합체 및 그 제조방법 | |
CN104108938A (zh) | 一种制备Sialon陶瓷的方法 | |
CN109796222A (zh) | 氮化硅纳米线强化氮化硅泡沫陶瓷的制备方法 | |
CN107986794A (zh) | 大尺寸氮化铝陶瓷基板的制备方法 | |
CN101219899A (zh) | 一种高导热、高抗折强度氧化铍陶瓷材料的制备方法 | |
CN102030535B (zh) | 氮化锆增强氧氮化铝复合陶瓷材料的制备方法 | |
KR20170055639A (ko) | 열전도성이 우수한 질화규소 소결체의 제조방법 | |
CN104230344A (zh) | 一种添加多元烧结助剂的AlN陶瓷低温烧结制备方法 | |
CN105753485B (zh) | 氮化硼复相陶瓷材料及其无压烧结工艺 | |
CN115321960B (zh) | 一种氧化铝陶瓷及其制备方法与应用 | |
CN108658589A (zh) | 亚微晶氧化铝陶瓷刀具基体材料的制备方法 | |
CN109851329A (zh) | 一种细晶Al2O3/SiC复合陶瓷刀具材料及制备工艺 | |
CN110253735A (zh) | 陶瓷坯体、陶瓷制品及其相应的制备方法 |
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: 20230410 Address after: No. 66 Gaoxin Avenue, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350108. Qinghua Ziguang Pushang Commercial Town, now located on the 2nd floor of Building B6 #, Ziguang Pushang Commercial Plaza, 208SOHO Office-2 Patentee after: FUZHOU SIMAWEI INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: No.2, Xueyuan Road, University Town, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Patentee before: FUZHOU University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231016 Address after: Building 15, Liandong U Valley, No. 691 Dongtian Village, Yangxia Street, Fuqing City, Fuzhou City, Fujian Province, 350300 Patentee after: Fujian Sairuite Technology Co.,Ltd. Address before: No. 66 Gaoxin Avenue, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350108. Qinghua Ziguang Pushang Commercial Town, now located on the 2nd floor of Building B6 #, Ziguang Pushang Commercial Plaza, 208SOHO Office-2 Patentee before: FUZHOU SIMAWEI INTELLIGENT TECHNOLOGY Co.,Ltd. |