GB1419284A - Ceramic dielectric composition - Google Patents

Ceramic dielectric composition

Info

Publication number
GB1419284A
GB1419284A GB5632773A GB5632773A GB1419284A GB 1419284 A GB1419284 A GB 1419284A GB 5632773 A GB5632773 A GB 5632773A GB 5632773 A GB5632773 A GB 5632773A GB 1419284 A GB1419284 A GB 1419284A
Authority
GB
United Kingdom
Prior art keywords
ceramic dielectric
tio
replaced
less
dielectric composition
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
Application number
GB5632773A
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to GB5632773A priority Critical patent/GB1419284A/en
Publication of GB1419284A publication Critical patent/GB1419284A/en
Expired legal-status Critical Current

Links

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
    • C04B35/01—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
    • C04B35/46—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 titanium oxides or titanates
    • C04B35/462—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 titanium oxides or titanates based on titanates
    • C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4682—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
    • 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
    • C04B35/01—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
    • C04B35/46—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 titanium oxides or titanates
    • C04B35/462—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 titanium oxides or titanates based on titanates
    • C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/47—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on strontium titanates
    • 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
    • C04B35/01—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
    • C04B35/46—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 titanium oxides or titanates
    • C04B35/462—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 titanium oxides or titanates based on titanates
    • C04B35/475—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 titanium oxides or titanates based on titanates based on bismuth titanates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H01G4/12—Ceramic dielectrics
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
    • H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
    • H01G4/1245—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates containing also titanates

Abstract

1419284 Dielectrics TDK ELECTRONICS CO Ltd 5 Dec 1973 56327/73 Heading C1J A ceramic dielectric of permittivity at least 900 at 1 kHz comprises, in weight per cent, SrO 7À1-49À9; Bi 2 O 3 0À7-28À8; TiO 2 32À3- 67-4; BaO 2À6-49À3 the TiO 2 amount being greater than the stoichiometric equivalent for Sr and Ba titanates. Less than 30% of Sr and Ba oxdes can be replaced by one or more oxides of Ca, Zn, Mg and Cd; or less than 50% of them replaced by PbO; and less than 30% of TiO 2 can be replaced by at least one oxide of Zr, Sn and Hf. Up to 0À5% of at least one of clays or oxides of Mn, Cr, Nb, Ta, Fe, Co, and R 1 E, e.g. La and Ce are optional.
GB5632773A 1973-12-05 1973-12-05 Ceramic dielectric composition Expired GB1419284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5632773A GB1419284A (en) 1973-12-05 1973-12-05 Ceramic dielectric composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5632773A GB1419284A (en) 1973-12-05 1973-12-05 Ceramic dielectric composition

Publications (1)

Publication Number Publication Date
GB1419284A true GB1419284A (en) 1975-12-31

Family

ID=10476345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5632773A Expired GB1419284A (en) 1973-12-05 1973-12-05 Ceramic dielectric composition

Country Status (1)

Country Link
GB (1) GB1419284A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066333A2 (en) * 1981-05-29 1982-12-08 Philips Patentverwaltung GmbH Non-linear resistor and its manufacturing process
CN109503162A (en) * 2018-12-14 2019-03-22 电子科技大学 A kind of Co-Sn-Ta base microwave medium ceramic material and preparation method thereof
CN109650878A (en) * 2019-01-10 2019-04-19 陕西科技大学 High insulation resistance ceramic material of giant dielectric low-loss and preparation method thereof under a kind of unleaded wideband
CN111925187A (en) * 2020-07-03 2020-11-13 成都宏科电子科技有限公司 Lead-free high-pressure medium-temperature sintered strontium bismuth titanium-based dielectric material and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066333A2 (en) * 1981-05-29 1982-12-08 Philips Patentverwaltung GmbH Non-linear resistor and its manufacturing process
EP0066333A3 (en) * 1981-05-29 1983-04-20 Philips Patentverwaltung Gmbh Non-linear resistor and its manufacturing process
CN109503162A (en) * 2018-12-14 2019-03-22 电子科技大学 A kind of Co-Sn-Ta base microwave medium ceramic material and preparation method thereof
CN109503162B (en) * 2018-12-14 2021-05-04 电子科技大学 Co-Sn-Ta-based microwave dielectric ceramic material and preparation method thereof
CN109650878A (en) * 2019-01-10 2019-04-19 陕西科技大学 High insulation resistance ceramic material of giant dielectric low-loss and preparation method thereof under a kind of unleaded wideband
CN109650878B (en) * 2019-01-10 2021-08-24 陕西科技大学 Lead-free broadband giant dielectric low-loss high-insulation-resistance ceramic material and preparation method thereof
CN111925187A (en) * 2020-07-03 2020-11-13 成都宏科电子科技有限公司 Lead-free high-pressure medium-temperature sintered strontium bismuth titanium-based dielectric material and preparation method thereof

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19931204