IL120061A - Ceramic composition for absorbing electromagnetic waves and a method for manufacturing the same - Google Patents

Ceramic composition for absorbing electromagnetic waves and a method for manufacturing the same

Info

Publication number
IL120061A
IL120061A IL12006197A IL12006197A IL120061A IL 120061 A IL120061 A IL 120061A IL 12006197 A IL12006197 A IL 12006197A IL 12006197 A IL12006197 A IL 12006197A IL 120061 A IL120061 A IL 120061A
Authority
IL
Israel
Prior art keywords
ceramic composition
powder
electromagnetic waves
manufacturing
same
Prior art date
Application number
IL12006197A
Other languages
English (en)
Other versions
IL120061A0 (en
Original Assignee
Hong Sung Yong
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 Hong Sung Yong filed Critical Hong Sung Yong
Publication of IL120061A0 publication Critical patent/IL120061A0/xx
Publication of IL120061A publication Critical patent/IL120061A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • 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
    • C04B35/26—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 ferrites
    • 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
    • C04B35/26—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 ferrites
    • C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
IL12006197A 1996-09-19 1997-01-23 Ceramic composition for absorbing electromagnetic waves and a method for manufacturing the same IL120061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960040960A KR100215485B1 (ko) 1996-09-19 1996-09-19 세라믹스 조성물 및 그 제조 방법

Publications (2)

Publication Number Publication Date
IL120061A0 IL120061A0 (en) 1997-04-15
IL120061A true IL120061A (en) 2000-07-16

Family

ID=19474459

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12006197A IL120061A (en) 1996-09-19 1997-01-23 Ceramic composition for absorbing electromagnetic waves and a method for manufacturing the same

Country Status (7)

Country Link
EP (1) EP0831074B1 (xx)
JP (1) JP2795406B2 (xx)
KR (1) KR100215485B1 (xx)
CN (1) CN1084311C (xx)
DE (1) DE69705372T2 (xx)
ES (1) ES2160899T3 (xx)
IL (1) IL120061A (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459313B1 (ko) * 1997-07-31 2005-01-17 홍성용 전자기파 흡수체 조성물과 이의 제조방법, 전자기파 흡수용 도료 조성물과 이의 제조방법 및 이의 도포방법
JP2001060790A (ja) * 1999-08-19 2001-03-06 Sony Corp 電波吸収体
JP2001223493A (ja) * 2000-02-08 2001-08-17 Sony Corp 電波吸収体
GB2363909A (en) * 2000-04-26 2002-01-09 Ecoflow Ltd Device for reducing the harmful effects of electromagnetic radiation from a mobile phone.
DE10039125A1 (de) 2000-08-10 2002-02-21 Colfirmit Rajasil Gmbh & Co Kg Elektromagnetisches Absorbermaterial, Verfahren zu dessen Herstellung und dessen Verwendung
EP1307944A1 (de) * 2000-08-10 2003-05-07 Hermsdorfer Institut für Technische Keramik e.V. Elektromagnetisches absorbermaterial, verfahren zu dessen herstellung und von abschirmeinrichtungen
KR20020030232A (ko) * 2000-10-16 2002-04-24 이해진 복합 세라믹 전자파 흡수체의 조성물과 그 제조방법
KR20020026144A (ko) * 2001-12-27 2002-04-06 강신혁 페라이트의 특성을 활용한 건축 마감재와 고에너지적본드자석
KR100456717B1 (ko) * 2002-03-11 2004-11-10 한국지질자원연구원 폐산화철 촉매를 이용한 전파흡수체의 제조방법
JP4339789B2 (ja) * 2002-08-08 2009-10-07 大日本印刷株式会社 電磁波遮蔽用シートおよびその製造方法
KR100940067B1 (ko) 2009-06-19 2010-02-05 (주)세일Tnc 바이오 세라믹 조성물의 제조방법
JP5668722B2 (ja) * 2012-05-22 2015-02-12 株式会社デンソー 可塑成形用組成物および焼成品
CN104658624B (zh) * 2015-01-27 2017-04-12 华东理工大学 辐射屏蔽电子封装材料及其制备方法
CN107879744B (zh) * 2017-12-07 2020-07-24 武汉科技大学 一种原生电磁场SiC-ZnO复合材料及其制备方法
CN108033792B (zh) * 2017-12-07 2020-07-24 武汉科技大学 一种原生电磁场SiC-ZnO耐火浇注料及其制备方法
CN108484155B (zh) * 2018-04-11 2021-08-27 中南大学 一种磁性吸波砖及其制备方法
CN114031121A (zh) * 2021-11-09 2022-02-11 淮北师范大学 一种多孔磁性氧化物纳米片及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5441495A (en) * 1977-09-07 1979-04-02 Tdk Corp Wave absorber
US4960642A (en) * 1986-04-17 1990-10-02 The Furukawa Electric Co., Ltd. Pellets for making electromagnetic wave shielding material and method for manufacturing the same
US5441746A (en) * 1989-12-22 1995-08-15 Molecular Bioquest, Inc. Electromagnetic wave absorbing, surface modified magnetic particles for use in medical applications, and their method of production
JPH0480274A (ja) * 1990-07-23 1992-03-13 Tokin Corp 電波吸収体組成物
US5446459A (en) * 1991-08-13 1995-08-29 Korea Institute Of Science And Technology Wide band type electromagnetic wave absorber

Also Published As

Publication number Publication date
ES2160899T3 (es) 2001-11-16
DE69705372D1 (de) 2001-08-02
EP0831074A3 (en) 1998-10-07
KR19980021940A (ko) 1998-06-25
JP2795406B2 (ja) 1998-09-10
EP0831074A2 (en) 1998-03-25
IL120061A0 (en) 1997-04-15
JPH10116718A (ja) 1998-05-06
KR100215485B1 (ko) 1999-08-16
CN1084311C (zh) 2002-05-08
DE69705372T2 (de) 2002-05-16
CN1176949A (zh) 1998-03-25
EP0831074B1 (en) 2001-06-27

Similar Documents

Publication Publication Date Title
IL120061A (en) Ceramic composition for absorbing electromagnetic waves and a method for manufacturing the same
TW428183B (en) Magnetic core and method of manufacturing the same
WO2004096730A3 (en) Ceramic composition and method for making the composition
WO1997011038A3 (en) Powder and binder systems for use in powder molding
HUP0002481A3 (en) Dual multitriangular antennas for gsm and dcs cellular telephones
CA2334547A1 (en) Ceramic and process for the continuous sintering thereof
CA2114458A1 (en) Antenna for Portable Radio Communication Apparatus
US5668070A (en) Ceramic composition for absorbing electromagnetic wave and a method for manufacturing the same
KR19980041026A (ko) 저온소성용 고주파 연자성재료 및 이를 이용한 인덕터의 제조방법
AU6153294A (en) Radio frequency radiation shield for hand-held radio phone
CN110776314A (zh) 一种宽高频抗emi用锰锌铁氧体材料及其制备方法
AU1736801A (en) Facilities for reducing metal oxide, method for operating the facilities and moldings as law material to be charged to reduction furnace
AU2001269596A1 (en) Composition of cellular phone case for shielding electromagnetic wave and methodof manufacturing cellular phone case using the same
HK1034812A1 (en) Antenna shielding for radio telephones with retractable antenna
KR100260970B1 (en) Method for manufacturing electromagnetic waves covering matter
CA2293814A1 (en) Method and apparatus for band-adaptive demodulation
RU2037384C1 (ru) Шихта никель-цинкового феррита
KR19990015367A (ko) 전자기파 흡수체 조성물과 이의 제조 방법, 전자기파 흡수용도료 조성물과 이의 제조 방법 및 이의 도포 방법
KR970008710B1 (en) Dielectric composition for microwave frequencies
R-F et al. Development of a Multilayer Ceramic Antenna Switch for Wireless Communications
Mitsui STANDARDISATION OF MAGNETIC DEVICES AND FERRITE CORES
KR19990001029A (ko) 전자기파 흡수용 도료 조성물, 이의 제조 방법 및 이의 도포방법
KR19990015365A (ko) 전자기파 흡수체 조성물과 이의 제조 방법, 전자기파 흡수용도료 조성물과 이의 제조 방법 및 이의 도포 방법
GB0016107D0 (en) Intergral filter/shielding system for mobile phones/portable communications systems, and material used
AU6927794A (en) Process for improving the coverage of mobile telephones in cellular mobile radio systems

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees