TW352440B - Method for making Mn-Zn ferrous oxide antenna and antenna thereof - Google Patents
Method for making Mn-Zn ferrous oxide antenna and antenna thereofInfo
- Publication number
- TW352440B TW352440B TW086119451A TW86119451A TW352440B TW 352440 B TW352440 B TW 352440B TW 086119451 A TW086119451 A TW 086119451A TW 86119451 A TW86119451 A TW 86119451A TW 352440 B TW352440 B TW 352440B
- Authority
- TW
- Taiwan
- Prior art keywords
- antenna
- ferrous oxide
- making
- mol
- mhz
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Magnetic Ceramics (AREA)
Abstract
An antenna made of Mn-Zn ferrous oxide is characterized in that the ingredients containing 52-55 mol% of Fe2O3; 35-41 mol% of MnO; 7-10 mol% of ZnO with a mean crystalline granule less than 3 micro; while between 500 - 1500 kHz, the magnetic conductance ratio <mu> is more than 500; the magnetic resonance is 3-12 MHz; while at the frequency between 0.5 -1.9 MHz, the quality co-efficient Qm is more than 10.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1068997 | 1997-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW352440B true TW352440B (en) | 1999-02-11 |
Family
ID=57940064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086119451A TW352440B (en) | 1997-01-23 | 1997-12-20 | Method for making Mn-Zn ferrous oxide antenna and antenna thereof |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR19980070284A (en) |
TW (1) | TW352440B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100691162B1 (en) * | 2005-05-16 | 2007-03-09 | 삼성전기주식회사 | Perpendicular hellical antenna |
-
1997
- 1997-12-20 TW TW086119451A patent/TW352440B/en active
- 1997-12-30 KR KR1019970078929A patent/KR19980070284A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR19980070284A (en) | 1998-10-26 |
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