MX169723B - Composiciones dielectricas basadas en titanato de bario - Google Patents

Composiciones dielectricas basadas en titanato de bario

Info

Publication number
MX169723B
MX169723B MX007350A MX735087A MX169723B MX 169723 B MX169723 B MX 169723B MX 007350 A MX007350 A MX 007350A MX 735087 A MX735087 A MX 735087A MX 169723 B MX169723 B MX 169723B
Authority
MX
Mexico
Prior art keywords
divalent cation
barium titanate
compositions based
dielectric compositions
hydroxide
Prior art date
Application number
MX007350A
Other languages
English (en)
Inventor
Jameel Menashi
Robert C Reid
Lawrence P Wagner
Original Assignee
Cabot 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 Cabot Corp filed Critical Cabot Corp
Publication of MX169723B publication Critical patent/MX169723B/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/003—Titanates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/003—Titanates
    • C01G23/006—Alkaline earth 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
    • C04B35/465—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
    • C04B35/4684—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 containing lead compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/30—Three-dimensional structures
    • C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/525—Perovskite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Nanotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La presente invención se refiere a un metodo para producir un polvo de titanato de catión divalente, el cual comprende introducir un óxido de hidróxido de catión divalente en una pasta acuosa de titania hidrosa que tiene una temperatura suficiente para efectuar la formación del titanato de catión divalente, caracterizado porque el óxido o hidróxido de catión divalente es seleccionado del grupo que consiste de Ba(OH)2, Sr(OH)2, Ca(OH)2, PbO, Pb(OH)2, y las mezclas de los mismos.
MX007350A 1986-07-14 1987-07-14 Composiciones dielectricas basadas en titanato de bario MX169723B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88534786A 1986-07-14 1986-07-14

Publications (1)

Publication Number Publication Date
MX169723B true MX169723B (es) 1993-07-21

Family

ID=25386702

Family Applications (1)

Application Number Title Priority Date Filing Date
MX007350A MX169723B (es) 1986-07-14 1987-07-14 Composiciones dielectricas basadas en titanato de bario

Country Status (8)

Country Link
US (1) US4832939A (es)
JP (1) JP2635048B2 (es)
KR (1) KR950011831B1 (es)
CN (1) CN1019102B (es)
FR (1) FR2601352B1 (es)
GB (1) GB2193713B (es)
IE (1) IE60977B1 (es)
MX (1) MX169723B (es)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63156057A (ja) * 1986-12-19 1988-06-29 科学技術庁無機材質研究所長 高密度ペロブスカイトセラミックスの製造法
ES2006956A6 (es) * 1987-08-12 1989-05-16 Cabot Corp Coformas de titanato de bario dopado.
DE3739853A1 (de) * 1987-11-25 1989-06-08 Philips Patentverwaltung Verfahren zur herstellung von bariumtitanat in pulverform
US5087437A (en) * 1988-01-15 1992-02-11 E. I. Du Pont De Nemours And Company Process for preparing crystalline mixed metal oxides
US5242674A (en) * 1988-10-27 1993-09-07 E. I. Du Pont De Nemours And Company Process for preparing crystalline mixed metal oxides
US5112433A (en) * 1988-12-09 1992-05-12 Battelle Memorial Institute Process for producing sub-micron ceramic powders of perovskite compounds with controlled stoichiometry and particle size
US5453262A (en) * 1988-12-09 1995-09-26 Battelle Memorial Institute Continuous process for production of ceramic powders with controlled morphology
DE69010178T2 (de) * 1989-08-21 1994-12-08 Tayca Corp Verfahren zur herstellung von pulverförmigen perovskiteverbindungen.
US5445806A (en) * 1989-08-21 1995-08-29 Tayca Corporation Process for preparing fine powder of perovskite-type compound
FR2659641B1 (fr) * 1990-03-14 1992-07-24 Rhone Poulenc Chimie Procede de preparation d'un titanate de cation divalent ou trivalent.
US5177045A (en) * 1991-08-28 1993-01-05 The United States Of America As Represented By The United States Department Of Energy Crystalline titanate catalyst supports
DE4130441A1 (de) * 1991-09-13 1993-03-18 Philips Patentverwaltung Verfahren zur herstellung waesseriger keramischer suspensionen und verwendung dieser suspensionen
IT1270828B (it) * 1993-09-03 1997-05-13 Chon Int Co Ltd Processo per la sintesi di polveri ceramiche cristalline di composti di perovskite
US5523065A (en) * 1993-09-27 1996-06-04 Alfred University Process for making ultra-fine barium titanate particles
EP0661244A3 (en) * 1993-09-28 1996-09-11 Texas Instruments Inc Manufacture of thin film materials.
US5580832A (en) * 1994-01-03 1996-12-03 The United States Of America As Represented By The Secretary Of Commerce Method for obtaining high density green ceramics from powders
IL115053A (en) 1994-09-01 1999-11-30 Cabot Corp Ceramic slip compositions and method for making the same
US5680685A (en) * 1995-06-07 1997-10-28 Microelectronic Packaging, Inc. Method of fabricating a multilayer ceramic capacitor
JP3484025B2 (ja) * 1996-01-10 2004-01-06 仲道 山崎 連続水熱合成方法および装置
US6268054B1 (en) * 1997-02-18 2001-07-31 Cabot Corporation Dispersible, metal oxide-coated, barium titanate materials
JP3608599B2 (ja) * 1997-10-09 2005-01-12 株式会社村田製作所 チタン酸バリウム系半導体磁器
JP3391268B2 (ja) * 1998-01-20 2003-03-31 株式会社村田製作所 誘電体セラミックおよびその製造方法、ならびに、積層セラミック電子部品およびその製造方法
US6608760B2 (en) * 1998-05-04 2003-08-19 Tpl, Inc. Dielectric material including particulate filler
US20040109298A1 (en) * 1998-05-04 2004-06-10 Hartman William F. Dielectric material including particulate filler
US6616794B2 (en) 1998-05-04 2003-09-09 Tpl, Inc. Integral capacitance for printed circuit board using dielectric nanopowders
JP3039513B2 (ja) * 1998-05-12 2000-05-08 株式会社村田製作所 チタン酸バリウム粉末、および半導体セラミック、ならびに半導体セラミック素子
WO1999059918A1 (fr) * 1998-05-20 1999-11-25 Toho Titanium Co., Ltd. Poudre de titanate de baryum
CN1313842A (zh) * 1998-06-23 2001-09-19 卡伯特公司 钛酸钡分散液
CN1126717C (zh) * 1998-07-01 2003-11-05 卡伯特公司 水热法制备钛酸钡粉末的方法
US6893623B2 (en) * 1998-12-11 2005-05-17 Showa Denko Kabushiki Kaisha Perovskite titanium-type composite oxide particle and production process thereof
JP2001138529A (ja) * 1999-03-25 2001-05-22 Seiko Epson Corp 圧電体の製造方法
US7030165B2 (en) * 1999-05-26 2006-04-18 Showa Denko Kabushiki Kaisha Perovskite titanium-type composite oxide particle and production process thereof
MXPA02001885A (es) * 1999-08-23 2002-11-04 Cabot Corp Metodo y auxiliar de sinterizacion basado en silicato.
US6264912B1 (en) * 1999-09-10 2001-07-24 Ut-Battelle, Llc Methods for producing monodispersed particles of barium titanate
US6733740B1 (en) 2000-10-12 2004-05-11 Cabot Corporation Production of dielectric particles
US6656590B2 (en) 2001-01-10 2003-12-02 Cabot Corporation Coated barium titanate-based particles and process
US6673274B2 (en) 2001-04-11 2004-01-06 Cabot Corporation Dielectric compositions and methods to form the same
US20030059366A1 (en) * 2001-09-21 2003-03-27 Cabot Corporation Dispersible barium titanate-based particles and methods of forming the same
JP4200427B2 (ja) 2001-12-28 2008-12-24 株式会社村田製作所 複合酸化物粉末の製造方法
US20030215606A1 (en) * 2002-05-17 2003-11-20 Clancy Donald J. Dispersible dielectric particles and methods of forming the same
US20040052721A1 (en) * 2002-09-13 2004-03-18 Kerchner Jeffrey A. Dielectric particles having passivated surfaces and methods of forming same
US20040121153A1 (en) * 2002-12-20 2004-06-24 Sridhar Venigalla High tetragonality barium titanate-based compositions and methods of forming the same
CN100509637C (zh) * 2003-04-11 2009-07-08 昭和电工株式会社 钙钛矿含钛复合氧化物微粒、其生产方法和用途
JP4556398B2 (ja) * 2003-09-02 2010-10-06 堺化学工業株式会社 組成物の製造方法
US20080128961A1 (en) * 2003-12-19 2008-06-05 Tpl, Inc. Moldable high dielectric constant nano-composites
US20060074166A1 (en) * 2003-12-19 2006-04-06 Tpl, Inc. Title And Interest In An Application Moldable high dielectric constant nano-composites
US20060074164A1 (en) * 2003-12-19 2006-04-06 Tpl, Inc. Structured composite dielectrics
JP4722530B2 (ja) * 2004-05-11 2011-07-13 パナソニック株式会社 発光素子
JP5089870B2 (ja) * 2004-08-27 2012-12-05 昭和電工株式会社 チタン酸バリウムカルシウムおよびその製造方法ならびにコンデンサ
WO2006090488A1 (ja) * 2005-02-25 2006-08-31 Sakai Chemical Industry Co., Ltd. 組成物の製造方法
JP4779689B2 (ja) * 2005-03-22 2011-09-28 Ｔｄｋ株式会社 粉末の製造方法、その粉末及びその粉末を用いた積層セラミックコンデンサ
US7825204B2 (en) * 2006-12-19 2010-11-02 Lyondell Chemical Technology, L.P. Inorganic oxide extrudates
JP5353728B2 (ja) * 2010-01-25 2013-11-27 堺化学工業株式会社 組成物の製造方法
JP5299400B2 (ja) * 2010-10-26 2013-09-25 株式会社村田製作所 複合酸化物粉末の製造方法
KR101218979B1 (ko) 2010-12-10 2013-01-04 삼성전기주식회사 페롭스카이트 분말의 제조방법, 그 방법으로 제조한 페롭스카이트 분말 및 적층 세라믹 전자부품
JP5375838B2 (ja) * 2011-01-05 2013-12-25 株式会社村田製作所 ペロブスカイト型複合酸化物粉末の製造方法
JP5573729B2 (ja) * 2011-02-25 2014-08-20 株式会社村田製作所 ペロブスカイト型複合酸化物の製造方法
JP2013014460A (ja) * 2011-07-01 2013-01-24 Murata Mfg Co Ltd ペロブスカイト型複合酸化物の製造方法およびその製造装置
KR20130027782A (ko) * 2011-09-08 2013-03-18 삼성전기주식회사 유전체 조성물, 이의 제조방법 및 이를 이용한 적층 세라믹 전자부품
CN102583516A (zh) * 2012-01-12 2012-07-18 清华大学 一种钙钛矿结构氧化物颗粒的制备方法
KR101730195B1 (ko) * 2012-07-27 2017-04-25 삼성전기주식회사 티탄산바륨의 제조방법 및 그 방법으로 제조한 티탄산바륨 분말
CN103570060A (zh) * 2013-11-08 2014-02-12 蚌埠玻璃工业设计研究院 一种纳米钛酸钡的制备工艺
JP6394324B2 (ja) * 2013-11-28 2018-09-26 堺化学工業株式会社 チタン酸バリウム粉体とその製造方法
KR101933417B1 (ko) 2016-12-28 2018-12-28 삼성전기 주식회사 유전체 파우더 및 이를 이용한 적층형 커패시터
CN110028317B (zh) * 2019-04-25 2021-01-26 苏州宝顺美科技有限公司 纳米钛酸钡粉体及其制备方法、陶瓷介电层及其制造方法
CN110092657B (zh) * 2019-04-25 2021-01-26 苏州宝顺美科技有限公司 纳米钛酸钡微晶及其制备方法和钛酸钡粉体及其制备方法
CN110128137B (zh) * 2019-05-27 2022-01-25 太原师范学院 一种光敏陶瓷介质材料及其制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218655A (en) * 1938-06-15 1940-10-22 Du Pont Process for producing insoluble titanates
GB715762A (en) * 1950-09-27 1954-09-22 Franco Balduzzi Improvements in or relating to a process for the production of ferro-electric titanates of the alkaline earth metals
CH287553A (de) * 1950-09-27 1952-12-15 Balduzzi Franco Verfahren zur Herstellung von reinen Titanaten der Erdalkalimetalle.
US2841503A (en) * 1955-12-19 1958-07-01 Du Pont Film-forming hydrosols of barium titanate, their preparation and a substrate coated therewith
US3490927A (en) * 1966-08-01 1970-01-20 Sprague Electric Co Nb2o5 and ta2o5 doped bat1o3 ceramic body and process therefor
US3577487A (en) * 1968-05-22 1971-05-04 Grace W R & Co Preparation of submicron sized alkaline earth titanate and zirconate powders
US3983077A (en) * 1975-05-02 1976-09-28 Texas Instruments Incorporated Process for making ceramic resistor materials
US4293534A (en) * 1980-08-22 1981-10-06 General Electric Company Molten salt synthesis of alkaline earth titanates, zirconates and their solid solutions
JPS5945928A (ja) * 1982-09-08 1984-03-15 Sony Corp チタン酸ストロンチウム微粒子の製造方法
JPS59111921A (ja) * 1982-12-15 1984-06-28 Sony Corp ジルコニウム酸バリウム微粒子の製造方法
JPS6011229A (ja) * 1983-06-27 1985-01-21 Sony Corp ＳｒＺｒＯ↓３微粒子の製造方法
JPS6090825A (ja) * 1983-10-26 1985-05-22 Asahi Chem Ind Co Ltd チタン酸バリウムまたはチタン酸ストロンチウムの製造方法
EP0141551B1 (en) * 1983-10-12 1988-02-03 Asahi Kasei Kogyo Kabushiki Kaisha Titanate powder and process for producing the same
JPS6086024A (ja) * 1983-10-15 1985-05-15 Nippon Chem Ind Co Ltd:The チタン酸塩の製造法
JPS6131345A (ja) * 1984-07-25 1986-02-13 堺化学工業株式会社 組成物の製造方法
JPH06649B2 (ja) * 1984-10-12 1994-01-05 ソニー株式会社 誘電体微粒子の製造方法
JPS61136919A (ja) * 1984-12-04 1986-06-24 Jgc Corp チタン酸塩系磁器原料の製造法
JPS61141617A (ja) * 1984-12-14 1986-06-28 Asahi Chem Ind Co Ltd チタン酸バリウム・ストロンチウム固溶体粉末およびその製造方法
US4636378A (en) * 1985-06-11 1987-01-13 Hughes Aircraft Company Method of preparation of perovskite-type compounds
MX172902B (es) * 1986-05-05 1994-01-20 Cabot Corp Coformas de titanato de bario

Also Published As

Publication number Publication date
FR2601352A1 (fr) 1988-01-15
KR950011831B1 (ko) 1995-10-11
IE60977B1 (en) 1994-09-07
US4832939A (en) 1989-05-23
JP2635048B2 (ja) 1997-07-30
IE871877L (en) 1988-01-14
FR2601352B1 (fr) 1995-06-30
GB8715837D0 (en) 1987-08-12
KR880001530A (ko) 1988-04-23
GB2193713A (en) 1988-02-17
JPS6374915A (ja) 1988-04-05
CN87105548A (zh) 1988-02-24
GB2193713B (en) 1990-12-05
CN1019102B (zh) 1992-11-18

Similar Documents

Publication Publication Date Title
MX169723B (es) Composiciones dielectricas basadas en titanato de bario
EP0941996A3 (de) Flammgeschützte Polyesterformmasse
MX166695B (es) Catalizador mejorado y procedimiento para obtenerlo
GB755860A (en) Improvements in or relating to electrical ceramics
ATE14714T1 (de) Temperaturstabile dielektrische keramische zusammensetzung auf basis von bariumtitanat und kondensator mit dieser zusammensetzung.
JPS51122700A (en) Process for production of fiberous alkali metal titanate
PT84822A (en) Process for the preparation of barium titanate coforms based dielectric compositions
EP1276137A3 (de) Dielektrische Barrieren-Entladungslampe mit Zündhilfe
GB617602A (en) Improvements relating to ceramic compositions and methods of making the same
DE854175C (de) Keramischer Kondensator mit einem Dielektrikum mit Titandioxydgehalt
HK20885A (en) Semiconductor ceramic capacitor and method for making the same
BR8601877A (pt) Composicao de sinterizacao a temperatura ultra baixa,processo para sua fabricacao,processo para fabricacao de condensadores ceramicos,e condensador de multiplas camadas
GB1335929A (en) Macrocyclic compounds and processes for their preparation
CA973181A (en) Crystalline forms of 4,4'-bis(4-anilino-6-morpholino-1,3,5-triazin-2-yl-amino)-stilbene-2,2'-disulfonic acid and process for the preparation thereof
SU596557A1 (ru) Керамический материал
SU1308598A1 (ru) Шихта сегнетокерамического конденсаторного материала
SU393220A1 (ru) Стекло для получения шлакоситаллов
SE7902346L (sv) Rostskyddsmedel och forfarande for framstellning av detta
JPS5257644A (en) Observation elevator
ES356476A1 (es) Un procedimiento para preparar una composicion de titanato de bario para su uso como dielectrico en un condensador ce- ramico.
JPS51146324A (en) Process for producing cu from its chloride solution
CA991174A (en) Crystalline forms of 4,4'-bis((4,6-dianilino-1,3,5-triazin-2-yl)-amino)-stilbene-2,2'-disulfonic acid
GB628536A (en) Improvements relating to dielectric compositions
KR910009880A (ko) 녹색 형광체의 제조방법
FR2392605A1 (fr) Compositions phytosanitaires industrielles a base de sulfate de cuivre, de chaux et de fongicides de synthese