CN106431388A - Microwave ceramic dielectric resonator and preparation method and application thereof - Google Patents
Microwave ceramic dielectric resonator and preparation method and application thereof Download PDFInfo
- Publication number
- CN106431388A CN106431388A CN201610840127.3A CN201610840127A CN106431388A CN 106431388 A CN106431388 A CN 106431388A CN 201610840127 A CN201610840127 A CN 201610840127A CN 106431388 A CN106431388 A CN 106431388A
- Authority
- CN
- China
- Prior art keywords
- microwave
- ceramics medium
- ceramic material
- medium resonator
- microwave ceramics
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 10
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 10
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 10
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 10
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 10
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 10
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000001465 metallisation Methods 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- C04B35/453—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
-
- 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
- C04B35/10—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 aluminium oxide
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/008—Manufacturing resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3241—Chromium oxides, chromates, or oxide-forming salts thereof
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Chemistry (AREA)
Abstract
The invention discloses a microwave ceramic dielectric resonator and a preparation method and application thereof. The microwave ceramic dielectric resonator is made from a microwave ceramic material, and the microwave ceramic material is prepared from, by mass, 0.01%-0.5% of K2O, 15%-50% of Al2O3, 10%-25% of TiO2, 0.01%-2% of Fe2O3, 0.05%-3% of SiO2, 0.1%-3% of MgO, 0.01%-0.1% of Cr2O3, 10%-40% of ZnO, 5%-15% of CaO, 0.001%-0.5% of SrO and 0.001%-0.5% of CuO. All components in the microwave ceramic material are subjected to mixing, synthesis, fine grinding, spray granulation, forming, sintering and metallization to form the microwave ceramic material. The components are subjected to artificial synthesis to form a complex chemical and crystal structure. The microwave ceramic dielectric resonator is high in dielectric constant, good in quality factor, excellent in temperature drift coefficient, obvious in price advantage and high in cost performance.
Description
Technical field
The present invention relates to telecommunications field, specifically a kind of microwave ceramics medium resonator and preparation method thereof and should
With.
Background technology
It is at present, with the development of wireless communication technique, more and more higher to the performance requirement of base station in wireless communication networks,
Its median filter is one of important device.The filter circuit that power-supply filter is made up of electric capacity, inductance and resistance.Wave filter
The frequency of CF in power line or the frequency beyond this frequency can be effectively filtered out, obtain a CF
Power supply signal, or eliminate the power supply signal after a CF.Wave filter originally is metal cavitg wave filter, its body
Long-pending big, quality factor is low, in order to improve the performance of wave filter, makes full use of channel resource and volume, and people have invented at metal
Chamber adds the dielectric cavity wave filter of microwave ceramics medium resonator.The wave filter that such dielectric resonator is made can make former
Some wire chamber wave filter volume-diminished, performance is improved and makes frequency stability more preferable.
Content of the invention
Dielectric constant is higher, quality factor good, coefficient is superior, cost performance is high in warm drift to it is an object of the invention to provide one
Microwave ceramics medium resonator and its preparation method and application, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of microwave ceramics medium resonator, uses microwave ceramic material to make, this microwave ceramic material by following according to
The component composition of mass percent：K2O 0.01-0.5%, Al2O315-50%, TiO210-25%, Fe2O30.01-2%,
SiO20.05-3%, MgO 0.1-3%, Cr2O30.01-0.1%, ZnO 10-40%, CaO 5-15%, SrO 0.001-
0.5%, CuO 0.001-0.5%.
As the further scheme of the present invention：This microwave ceramic material is made up of according to the component of mass percent following：
K2O 0.01-0.5%, Al2O325-40%, TiO210-20%, Fe2O30.01-2%, SiO21-3%, MgO 1-3%,
Cr2O30.01-0.1%, ZnO 20-35%, CaO 5-10%, SrO 0.001-0.5%, CuO 0.001-0.5%.
As the further scheme of the present invention：The dielectric constant of described microwave ceramics medium resonator is εr=12～
15, quality factor and frequency product i.e. Q × f=50000～60000GHz, the temperature drift coefficient in-45 DEG C～+105 DEG C is τf
=-20～20ppm/ DEG C.
It is a further object of the present invention to provide the preparation method of a kind of microwave ceramics medium resonator, by microwave ceramic material
In each component through batch mixing, synthesis, fine grinding, mist projection granulating, be molded, burn till and metallize and make.
As the further scheme of the present invention：The preparation method of described microwave ceramics medium resonator, includes following successively
Step：
1) batch mixing, synthesis：Weigh above-mentioned each component to mix according to mass percent, calcine at 1000～1050 DEG C
2～3 hours；
2) fine grinding：Grinding makes fineness reach D90≤5 μm；
3) mist projection granulating：Binding agent is added to be mixed to get slurry, mist projection granulating；
4) it is molded：Compressing under 5MPa～10Mpa obtain green compact；
5) burn till：Green compact sinter 3～5 hours sinter moldings at 1250～1270 DEG C；
6) metallize：In one end metallization on the microwave ceramic material surface of sinter molding, i.e. prepare microwave-medium resonance
Device.
As the further scheme of the present invention：Also include aft-loaded airfoil, be assembling process.
As the further scheme of the present invention：Step 3) in, binding agent is mass fraction 5%PVA (polyvinyl alcohol) solution；
Wherein the addition of binding agent is the 5～12% of each component gross mass.
It is a further object of the present invention to provide described microwave ceramics medium resonator humorous at wireless network microwave ceramics medium
Shake the application of device.
Compared with prior art, the invention has the beneficial effects as follows：
Microwave ceramics medium resonator of the present invention, component, through Prof. Du Yucang, defines chemistry and the crystal structure of complexity；Its
In be metal oxide Al2O3It is main body with ZnO, TiO2Make dispensing with CaO, MgO, other trace add element such as CuO,
Fe2O3、SiO2Etc. the temperature drift coefficient contributing to improving firing condition and material；The present invention not only dielectric constant is higher, quality factor
Good, temperature drift coefficient is superior, and price advantage is obvious, has very high cost performance.
Brief description
Fig. 1 is the structural representation of the microwave ceramics medium resonator of the present invention.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, as it is shown in figure 1, microwave ceramics medium resonator aft-loaded airfoil obtain for wireless network micro-
Ripple ceramic dielectric resonator, takes metallized tubular structure for single-ended, and outer diameter A is 18mm, and highly B is 30mm, centre bore C's
Internal diameter is 8mm.This microwave ceramics medium resonator, use microwave ceramic material make, this microwave ceramic material by following according to
The component composition of mass percent：
K2O 0.5%, Al2O315.789%, TiO225%, Fe2O30.01%, SiO23%, MgO 0.1%,
Cr2O30.1%, ZnO 40%, CaO 15%, SrO 0.001%, CuO 0.5%.
The preparation method of described microwave ceramics medium resonator, comprises the following steps successively：1) batch mixing, synthesis：Weigh
State component proportionally to mix, calcine 2 hours at 1050 DEG C；2) fine grinding：Grinding makes fineness reach D90≤5 μm；3) spray
Mist granulates：The mass fraction 5%PVA solution adding account for component gross mass 5% is mixed to get slurry as binding agent, and spraying is made
Grain；4) it is molded：Compressing under 5MPa obtain green compact；5) burn till：Raw embryo sinters 4 hours sinter moldings at 1270 DEG C；6) gold
Genusization：In one end metallization of the ceramic surface of sinter molding, i.e. prepare microwave dielectric resonator；Finally assemble and obtain such as Fig. 1
Shown wireless telecommunications microwave ceramics medium resonator.
The microwave ceramics medium resonator preparing the present embodiment is tested, permittivity εr=12.7, f=
During 1250MHz, Q=4000, τf=-5～+5ppm/ DEG C (-45 DEG C～+105 DEG C).
Embodiment 2
In the embodiment of the present invention, as it is shown in figure 1, microwave ceramics medium resonator aft-loaded airfoil obtain for wireless network micro-
Ripple ceramic dielectric resonator, takes metallized tubular structure for single-ended, and outer diameter A is 18mm, and highly B is 30mm, centre bore C's
Internal diameter is 8mm.This microwave ceramics medium resonator, use microwave ceramic material make, this microwave ceramic material by following according to
The component composition of mass percent：K2O 0.01%, Al2O350%, TiO223.93%, Fe2O32%, SiO20.05%, MgO
3%, Cr2O30.01%, ZnO 10%, CaO 10%, SrO 0.5%, CuO 0.5%.
The preparation method of described microwave ceramics medium resonator, comprises the following steps successively：1) batch mixing, synthesis：Weigh
State each component to mix according to mass percent, calcine 3 hours at 1000 DEG C.2) fine grinding：Grinding make fineness reach D90≤
5μm.3) mist projection granulating：Adding binding agent to be mixed to get slurry, mist projection granulating, binding agent is mass fraction 5%PVA (polyethylene
Alcohol) solution；Wherein the addition of binding agent is the 5% of each component gross mass.4) it is molded：Compressing under 10Mpa obtain green compact.
5) burn till：Green compact sinter 3 hours sinter moldings at 1250 DEG C.Metallization：On the microwave ceramic material surface of sinter molding
Metallizing in one end, also includes aft-loaded airfoil, be assembling process, i.e. prepares microwave dielectric resonator.
The microwave ceramics medium resonator preparing the present embodiment is tested, and dielectric constant is εr=12.2, f=
During 1250MHz, Q=4000, τf=-20～20ppm/ DEG C (-45 DEG C～+105 DEG C).
Embodiment 3
In the embodiment of the present invention, as it is shown in figure 1, microwave ceramics medium resonator aft-loaded airfoil obtain for wireless network micro-
Ripple ceramic dielectric resonator, takes metallized tubular structure for single-ended, and outer diameter A is 18mm, and highly B is 30mm, centre bore C's
Internal diameter is 8mm.This microwave ceramics medium resonator, use microwave ceramic material make, this microwave ceramic material by following according to
The component composition of mass percent：K2O 0.01%, Al2O340%, TiO220%, Fe2O32%, SiO21%, MgO 3%,
Cr2O30.01%, ZnO 25%, CaO 8.479%, SrO 0.5%, CuO 0.001%.
The preparation method of described microwave ceramics medium resonator, comprises the following steps successively：1) batch mixing, synthesis：Weigh
State each component to mix according to mass percent, calcine 3 hours at 1000 DEG C.2) fine grinding：Grinding make fineness reach D90≤
5μm.3) mist projection granulating：Adding binding agent to be mixed to get slurry, mist projection granulating, binding agent is mass fraction 5%PVA (polyethylene
Alcohol) solution；Wherein the addition of binding agent is the 5% of each component gross mass.4) it is molded：Compressing under 7Mpa obtain green compact.
5) burn till：Green compact sinter 5 hours sinter moldings at 1250 DEG C.Metallization：On the microwave ceramic material surface of sinter molding
Metallizing in one end, also includes aft-loaded airfoil, be assembling process, i.e. prepares microwave dielectric resonator.
The microwave ceramics medium resonator preparing the present embodiment is tested, and dielectric constant is εr=13, f=
During 1300MHz, Q=4500, τf=-20～20ppm/ DEG C (-45 DEG C～+105 DEG C).
Embodiment 4
In the embodiment of the present invention, as it is shown in figure 1, microwave ceramics medium resonator aft-loaded airfoil obtain for wireless network micro-
Ripple ceramic dielectric resonator, takes metallized tubular structure for single-ended, and outer diameter A is 18mm, and highly B is 30mm, centre bore C's
Internal diameter is 8mm.This microwave ceramics medium resonator, use microwave ceramic material make, this microwave ceramic material by following according to
The component composition of mass percent：K2O 0.5%, Al2O334.889%, TiO215%, Fe2O30.01%, SiO23%, MgO
1%, Cr2O30.1%, ZnO 35%, CaO 10%, SrO 0.001%, CuO 0.5%.
The preparation method of described microwave ceramics medium resonator, comprises the following steps successively：1) batch mixing, synthesis：Weigh
State each component to mix according to mass percent, calcine 2 hours at 1050 DEG C.2) fine grinding：Grinding make fineness reach D90≤
5μm.3) mist projection granulating：Adding binding agent to be mixed to get slurry, mist projection granulating, binding agent is mass fraction 5%PVA (polyethylene
Alcohol) solution；Wherein the addition of binding agent is the 12% of each component gross mass.4) it is molded：Compressing under 8Mpa obtain green compact.
5) burn till：Green compact sinter 3 hours sinter moldings at 1270 DEG C.Metallization：On the microwave ceramic material surface of sinter molding
Metallizing in one end, also includes aft-loaded airfoil, be assembling process, i.e. prepares microwave dielectric resonator.
The microwave ceramics medium resonator preparing the present embodiment is tested, and dielectric constant is εr=15, f=
During 1280MHz, Q=4600, τf=-20～20ppm/ DEG C (-45 DEG C～+105 DEG C).
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but not each embodiment only wraps
Containing an independent technical scheme, this narrating mode of specification is only that for clarity sake those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment also can form those skilled in the art through appropriately combined
May be appreciated other embodiments.
Claims (8)
1. a microwave ceramics medium resonator, use microwave ceramic material make, it is characterised in that this microwave ceramic material by
Form according to the component of mass percent below：K2O 0.01-0.5%, Al2O315-50%, TiO210-25%, Fe2O30.01-
2%, SiO20.05-3%, MgO 0.1-3%, Cr2O30.01-0.1%, ZnO 10-40%, CaO 5-15%, SrO 0.001-
0.5%, CuO 0.001-0.5%.
2. microwave ceramics medium resonator according to claim 1, it is characterised in that this microwave ceramic material is pressed by following
Component composition according to mass percent：K2O 0.01-0.5%, Al2O325-40%, TiO210-20%, Fe2O30.01-2%,
SiO21-3%, MgO 1-3%, Cr2O30.01-0.1%, ZnO 20-35%, CaO 5-10%, SrO 0.001-0.5%, CuO
0.001-0.5%.
3. microwave ceramics medium resonator according to claim 1, it is characterised in that described microwave ceramics medium resonance
The dielectric constant of device is εr=12～15, quality factor and frequency product i.e. Q × f=50000～60000GHz ,-45 DEG C～+
Temperature drift coefficient in 105 DEG C is τf=-20～20ppm/ DEG C.
4. the preparation method of the microwave ceramics medium resonator as described in claim 1-2 is arbitrary, it is characterised in that by micro-
Each component in wave ceramic material through batch mixing, synthesis, fine grinding, mist projection granulating, be molded, burn till and metallize and make.
5. the preparation method of microwave ceramics medium resonator according to claim 4, it is characterised in that include following successively
Step：
1) batch mixing, synthesis：Weigh above-mentioned each component to mix according to mass percent, at 1000～1050 DEG C, calcine 2～3
Hour；
2) fine grinding：Grinding makes fineness reach D90≤5 μm；
3) mist projection granulating：Binding agent is added to be mixed to get slurry, mist projection granulating；
4) it is molded：Compressing under 5MPa～10Mpa obtain green compact；
5) burn till：Green compact sinter 3～5 hours sinter moldings at 1250～1270 DEG C；
6) metallize：In one end metallization on the microwave ceramic material surface of sinter molding, i.e. prepare microwave dielectric resonator.
6. the preparation method of the microwave ceramics medium resonator according to claim 4-5 is arbitrary, it is characterised in that also include
Aft-loaded airfoil, is assembling process.
7. the preparation method of microwave ceramics medium resonator according to claim 5, it is characterised in that step 3) in, viscous
Knot agent is mass fraction 5%PVA solution；Wherein the addition of binding agent is the 5～12% of each component gross mass.
8. the microwave ceramics medium resonator according to claim 1-2 is arbitrary is at wireless network microwave ceramics medium resonator
Application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840127.3A CN106431388A (en) | 2016-09-22 | 2016-09-22 | Microwave ceramic dielectric resonator and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840127.3A CN106431388A (en) | 2016-09-22 | 2016-09-22 | Microwave ceramic dielectric resonator and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106431388A true CN106431388A (en) | 2017-02-22 |
Family
ID=58166843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610840127.3A Pending CN106431388A (en) | 2016-09-22 | 2016-09-22 | Microwave ceramic dielectric resonator and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106431388A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377709A (en) * | 2018-12-31 | 2020-07-07 | 深圳市大富科技股份有限公司 | Microwave dielectric ceramic material, dielectric ceramic block and microwave communication equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060142141A1 (en) * | 2003-01-24 | 2006-06-29 | Shinichi Ishitobi | Dielectric ceramic composition, dielectric ceramic and laminated ceramic part including the same |
| CN103819187A (en) * | 2013-07-23 | 2014-05-28 | 南京智元微波科技有限公司 | Wireless communication and wireless network microwave ceramic dielectric resonator and preparation method thereof |
| CN103833359A (en) * | 2013-06-05 | 2014-06-04 | 南京智元微波科技有限公司 | Microwave ceramic dielectric resonator and preparation method thereof |
| CN105236953A (en) * | 2015-08-25 | 2016-01-13 | 成都顺康三森电子有限责任公司 | Process for preparing low-dielectric-loss microwave electronic ceramic material |
-
2016
- 2016-09-22 CN CN201610840127.3A patent/CN106431388A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060142141A1 (en) * | 2003-01-24 | 2006-06-29 | Shinichi Ishitobi | Dielectric ceramic composition, dielectric ceramic and laminated ceramic part including the same |
| CN103833359A (en) * | 2013-06-05 | 2014-06-04 | 南京智元微波科技有限公司 | Microwave ceramic dielectric resonator and preparation method thereof |
| CN103819187A (en) * | 2013-07-23 | 2014-05-28 | 南京智元微波科技有限公司 | Wireless communication and wireless network microwave ceramic dielectric resonator and preparation method thereof |
| CN105236953A (en) * | 2015-08-25 | 2016-01-13 | 成都顺康三森电子有限责任公司 | Process for preparing low-dielectric-loss microwave electronic ceramic material |
Non-Patent Citations (1)
| Title |
|---|
| CHING-FANG TSENG ET AL.: "Microwave dielectric properties of (1-x)ZnAl2O4–xCaTiO3 compound ceramic with controlled temperature coefficient", 《CERAMICS INTERNATIONAL》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377709A (en) * | 2018-12-31 | 2020-07-07 | 深圳市大富科技股份有限公司 | Microwave dielectric ceramic material, dielectric ceramic block and microwave communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103833334B (en) | High-quality-factor microwave ceramic dielectric resonator | |
| CN103819187B (en) | Wireless communication and wireless network microwave ceramic dielectric resonator and preparation method thereof | |
| CN106380183A (en) | Wireless-communication microwave ceramic dielectric resonator, and preparation method and application thereof | |
| CN110540420B (en) | Low sintering temperature and low dielectric microwave dielectric ceramic and preparation method thereof | |
| CN104211391A (en) | Low-temperature sintering temperature-stable medium dielectric constant microwave dielectric ceramic Bi3La5Ti7O26 and preparation method thereof | |
| CN107176834A (en) | LTCC ceramic materials of middle high-k and preparation method thereof | |
| CN114804897B (en) | Sintering aid for ceramic and preparation method thereof, zinc zirconate microwave dielectric ceramic and preparation method thereof | |
| CN103833359B (en) | Microwave ceramic dielectric resonator and preparation method thereof | |
| CN104446466A (en) | High-quality microwave ceramic material and preparation method of dielectric resonator thereof | |
| CN103951425B (en) | A kind of temperature-stable scheelite-type structure microwave-medium ceramics and preparation method thereof | |
| CN106431388A (en) | Microwave ceramic dielectric resonator and preparation method and application thereof | |
| CN113087525B (en) | Molybdate-based composite microwave dielectric ceramic material and preparation method thereof | |
| CN105837203A (en) | Microwave ceramic material, dielectric resonator prepared from material and preparation method of dielectric resonator | |
| CN114180956A (en) | Microwave dielectric ceramic for high-dielectric-constant 5G waveguide and preparation method and application thereof | |
| CN107176793A (en) | LTCC ceramic materials and preparation method thereof | |
| CN101289312B (en) | Low sintering temperature and low loss microwave ceramic medium and preparation process thereof | |
| WO2005006359A1 (en) | Magnetic element | |
| CN104016670A (en) | Low-temperature sintered temperature-stable microwave dielectric ceramic material and preparation method thereof | |
| CN101531511B (en) | High thermal stability microwave dielectric ceramic material sintered at low temperature and preparation method thereof | |
| CN101538159A (en) | Microwave dielectric ceramic with medium dielectric constant sintered at low temperature and preparation method thereof | |
| CN103539444A (en) | Low temperature sintering microwave dielectric ceramic Ca2Bi2O5 and preparation method thereof | |
| CN106380197A (en) | Microwave ceramic dielectric resonator, and preparation method and application thereof | |
| KR100842854B1 (en) | Low temperature co-fired microwave dielectric ceramics and the manufacturing method thereof | |
| CN103922719A (en) | Low-temperature sintering available microwave dielectric ceramic TiP2O7 with ultralow dielectric constant and preparation method thereof | |
| CN107056278A (en) | Ceramic dielectric resonator preparation technology is used in the communication of TM moulds |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |