SI3819921T1 - Cinkovo oksidna varistorska keramika - Google Patents

Cinkovo oksidna varistorska keramika

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Publication number
SI3819921T1
SI3819921T1 SI202030146T SI202030146T SI3819921T1 SI 3819921 T1 SI3819921 T1 SI 3819921T1 SI 202030146 T SI202030146 T SI 202030146T SI 202030146 T SI202030146 T SI 202030146T SI 3819921 T1 SI3819921 T1 SI 3819921T1
Authority
SI
Slovenia
Prior art keywords
zinc oxide
oxide varistor
varistor ceramics
ceramics
zinc
Prior art date
Application number
SI202030146T
Other languages
English (en)
Inventor
Mirjam Cergolj
Sa A Rustja Kosec
Ef Sodec Jo
Andrej Pirih
Original Assignee
Ripd Intellectual Assets Ltd
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 Ripd Intellectual Assets Ltd filed Critical Ripd Intellectual Assets Ltd
Publication of SI3819921T1 publication Critical patent/SI3819921T1/sl

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    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores
    • H01C7/108—Metal oxide
    • H01C7/112—ZnO type
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/453—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
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    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • 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
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/725—Metal content
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
SI202030146T 2020-11-11 2020-12-10 Cinkovo oksidna varistorska keramika SI3819921T1 (sl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/095,497 US11501900B2 (en) 2020-11-11 2020-11-11 Zinc oxide varistor ceramics
EP20213201.5A EP3819921B1 (en) 2020-11-11 2020-12-10 Zinc oxide varistor ceramics

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Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
DE2739848A1 (de) 1976-09-07 1978-03-30 Gen Electric Varistor mit hohen durchbruchsspannung
JPS5364752A (en) * 1976-11-19 1978-06-09 Matsushita Electric Ind Co Ltd Method of manufacturing voltage nonlinear resistor
JPS5399453A (en) * 1977-02-09 1978-08-30 Matsushita Electric Ind Co Ltd Method of porcelain electronic part
US5269972A (en) * 1990-08-29 1993-12-14 Cooper Industries, Inc. Doped zinc oxide microspheres
JPH0734403B2 (ja) 1991-01-31 1995-04-12 日本碍子株式会社 電圧非直線抵抗体
US5699035A (en) * 1991-12-13 1997-12-16 Symetrix Corporation ZnO thin-film varistors and method of making the same
JPH0734403A (ja) * 1993-07-20 1995-02-03 Mitsubishi Heavy Ind Ltd 鉄道路面の道床掘削装置
JPH11340009A (ja) 1998-05-25 1999-12-10 Toshiba Corp 非直線抵抗体
JP4364865B2 (ja) 2005-11-24 2009-11-18 Ｔｄｋ株式会社 電子部品
JP5088029B2 (ja) * 2007-07-19 2012-12-05 Ｔｄｋ株式会社 バリスタ
JP5264929B2 (ja) * 2008-11-17 2013-08-14 三菱電機株式会社 電圧非直線抵抗体の製造方法
US9601244B2 (en) * 2012-12-27 2017-03-21 Littelfuse, Inc. Zinc oxide based varistor and fabrication method
CN107216140A (zh) 2017-07-26 2017-09-29 合肥同佑电子科技有限公司 一种压敏电阻陶瓷材料及其制备方法
US11501900B2 (en) * 2020-11-11 2022-11-15 RIPD Intellectual Assets Ltd. Zinc oxide varistor ceramics

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EP3819921A3 (en) 2021-06-16
EP3819921A2 (en) 2021-05-12
US20220148768A1 (en) 2022-05-12
US11170917B1 (en) 2021-11-09
US11501900B2 (en) 2022-11-15

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