CN109336597A - The preparation method and test method of the base station 5G ceramic dielectric waveguide filter - Google Patents
The preparation method and test method of the base station 5G ceramic dielectric waveguide filter Download PDFInfo
- Publication number
- CN109336597A CN109336597A CN201811526017.5A CN201811526017A CN109336597A CN 109336597 A CN109336597 A CN 109336597A CN 201811526017 A CN201811526017 A CN 201811526017A CN 109336597 A CN109336597 A CN 109336597A
- Authority
- CN
- China
- Prior art keywords
- base station
- dielectric waveguide
- ceramic dielectric
- test
- waveguide filter
- 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
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
- C04B35/495—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 vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
-
- 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
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5116—Ag or Au
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/2002—Dielectric waveguide filters
-
- 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
- H01P11/007—Manufacturing frequency-selective devices
-
- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide 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
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
This application discloses the preparation method and test method of a kind of base station 5G ceramic dielectric waveguide filter, the preparation method of the base station 5G ceramic dielectric waveguide filter successively includes compounding, mixing, drying, calcining, mist projection granulating, molding, CNC processing, sintering, metallization, assembling, test, forms finished product.The beneficial effects of the present invention are providing a kind of method for preparing the base station 5G ceramic dielectric waveguide filter, and accordingly provide the method for testing its performance indicator.
Description
Technical field
This application involves the base station 5G ceramic dielectric waveguide filters, the especially base station 5G ceramic dielectric waveguide filter
Preparation method and test method.
Background technique
The dielectric waveguide filter of existing production is not used to the base station 5G, and is unable to test and verifies its performance and refer to
Mark.
Summary of the invention
The present invention is for overcome the deficiencies in the prior art, to provide a kind of system of the base station 5G ceramic dielectric waveguide filter
Preparation Method and test method.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of preparation method of the base station 5G ceramic dielectric waveguide filter, successively includes matching
Material, drying, calcining, mist projection granulating, molding, CNC processing, sintering, metallization, assembling, test, forms finished product at mixing.
Preferably, in the preparation method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, the ingredient is according to such as
Lower molar ratio ingredient: 0.35 strontium carbonate, 0.12 aluminum oxide, 0.32 lanthanum sesquioxide, 0.21 titanium dioxide, 0.50 5 oxidations
Two tantalums, 0.23 zinc oxide.
Preferably, in the preparation method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, the calcination temperature is
1500-1600℃。
Preferably, in the preparation method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, the compact density is
3.5±0.10g/cm3。
Preferably, in the preparation method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, the metallization is used
Spraying process is carried out by silver, silver ink firing.
Correspondingly, also disclosing a kind of test method of the base station 5G ceramic dielectric waveguide filter, testing procedure includes:
A selects suitable start-stop frequency according to filter band limits, carries out dual-port school to vector network analyzer
It is quasi-；
Filter is placed in high-low temperature test chamber by b, and radio-frequency cable connects filter input/output port, and radio-frequency cable stretches out
The high-low temperature test chamber is simultaneously connected to vector network analyzer；
The start-stop frequency that vector network analyzer is arranged in c is more than filter passband start-stop frequency, and measure the item is set as
S21；
D tests pass band width or insertion loss or Out-of-band rejection.
Preferably, in the test method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, when testing pass band width,
S21 value at mark center frequency f0 is found the frequency at the right and left decline XdB, is recorded as respectively on the basis of this value
F1, f2 calculate the value of f1-f2, this value is the XdB pass band width of filter.
Preferably, in the test method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, when testing insertion loss,
The minimum value on S21 curve is read, which is the insertion loss of filter.
Preferably, in the test method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, when testing Out-of-band rejection,
The maximum value on S21 curve is read, which is Out-of-band rejection of the filter to the frequency range.
Preferably, in the test method in the above-mentioned base station 5G with ceramic dielectric waveguide filter, in step b, high/low temperature
Case high temperature temperature is 90 DEG C, and cryogenic temperature is -40 DEG C, and filters to test is preposition to keep the temperature 2 hours in the high-low temperature chamber.
The beneficial effects of the invention are as follows provide a kind of method for preparing the base station 5G ceramic dielectric waveguide filter, and phase
The method for testing its performance indicator should be provided.
Specific embodiment
It will be apparent from the preferred embodiment of the present invention below.
The preparation step of the base station 5G ceramic dielectric waveguide filter includes:
Ingredient, according to following molar ratio ingredient: 0.35 strontium carbonate, 0.12 aluminum oxide, 0.32 lanthanum sesquioxide, 0.21
Titanium dioxide, 0.50 tantalum pentoxide, 0.23 zinc oxide；
Mixing；
It is dry；
Calcining, calcination temperature are 1500-1600 DEG C；
Mist projection granulating；
Molding, compact density are 3.5 ± 0.10g/cm3；
CNC processing；
Sintering；
Metallization is carried out using spraying process by silver, silver ink firing；
Assembling；
Test, step include:
A selects suitable start-stop frequency according to filter band limits, carries out dual-port school to vector network analyzer
It is quasi-；
Filter is placed in high-low temperature test chamber by b, and high-low temperature chamber high temperature temperature is 90 DEG C, and cryogenic temperature is -40 DEG C, filter
The test of wave device is preposition to keep the temperature 2 hours in high-low temperature chamber, and radio-frequency cable connects filter input/output port, and radio-frequency cable stretches out
High-low temperature test chamber is simultaneously connected to vector network analyzer；
The start-stop frequency that vector network analyzer is arranged in c is more than filter passband start-stop frequency, and measure the item is set as
S21；
When d tests pass band width, the S21 value at mark center frequency f0 finds the right and left decline on the basis of this value
Frequency at XdB, is recorded as f1, f2 respectively, calculates the value of f1-f2, this value is the XdB pass band width of filter；Test is inserted
When entering to be lost, the minimum value on S21 curve is read, which is the insertion loss of filter；When testing Out-of-band rejection, read
Maximum value on S21 curve, the value are Out-of-band rejection of the filter to the frequency range, replace other with outer frequency range and repeat above-mentioned step
Suddenly；
Test request index is as follows:
Form finished product.
Above-mentioned test method is to be placed in test in incubator, and filter need to be only placed in room temperature by room temperature test, without setting
In high/low temperature incubator, it should also belong to scope of the present application.
Of the invention provides a kind of method for preparing the base station 5G ceramic dielectric waveguide filter, and accordingly provides survey
Try the method and the specific performance parameter value of this method of its performance indicator.
This embodiment is just an exemplary description of this patent and does not limit its protection scope, and those skilled in the art are also
Local change can be carried out to it, as long as it does not exceed the essence of this patent, all be considered as the equivalent replacement to this patent, all
Within the protection scope of this patent.
Claims (10)
1. a kind of preparation method of the base station 5G ceramic dielectric waveguide filter, which is characterized in that successively include compounding, mixing,
Drying, mist projection granulating, molding, CNC processing, sintering, metallization, assembling, test, forms finished product at calcining.
2. the preparation method of the base station 5G ceramic dielectric waveguide filter according to claim 1, which is characterized in that described
Ingredient is according to following molar ratio ingredient: 0.35 strontium carbonate, 0.12 aluminum oxide, 0.32 lanthanum sesquioxide, 0.21 titanium dioxide,
0.50 tantalum pentoxide, 0.23 zinc oxide.
3. the preparation method of the base station 5G ceramic dielectric waveguide filter according to claim 1, which is characterized in that described
Calcination temperature is 1500-1600 DEG C.
4. the preparation method of the base station 5G ceramic dielectric waveguide filter according to claim 1, which is characterized in that described
Compact density is 3.5 ± 0.10g/cm3。
5. the preparation method of the base station 5G ceramic dielectric waveguide filter according to claim 1, which is characterized in that described
Metallization is carried out using spraying process by silver, silver ink firing.
6. the test method of the base station 5G ceramic dielectric waveguide filter as described in claim 1, which is characterized in that test step
Suddenly include:
A selects suitable start-stop frequency according to filter band limits, carries out dual-port calibration to vector network analyzer；
Filter is placed in high-low temperature test chamber by b, and radio-frequency cable connects filter input/output port, described in radio-frequency cable stretches out
High-low temperature test chamber is simultaneously connected to vector network analyzer；
The start-stop frequency that vector network analyzer is arranged in c is more than filter passband start-stop frequency, and measure the item is set as S21；
D tests pass band width or insertion loss or Out-of-band rejection.
7. the test method of the base station 5G ceramic dielectric waveguide filter according to claim 6, which is characterized in that test
When pass band width, the S21 value at mark center frequency f0 finds the frequency at the right and left decline XdB on the basis of this value,
It is recorded as f1, f2 respectively, calculates the value of f1-f2, this value is the XdB pass band width of filter.
8. the test method of the base station 5G ceramic dielectric waveguide filter according to claim 6, which is characterized in that test
When insertion loss, the minimum value on S21 curve is read, which is the insertion loss of filter.
9. the test method of the base station 5G ceramic dielectric waveguide filter according to claim 6, which is characterized in that test
When Out-of-band rejection, the maximum value on S21 curve is read, which is Out-of-band rejection of the filter to the frequency range.
10. the test method of the base station 5G ceramic dielectric waveguide filter according to claim 6, which is characterized in that step
In rapid b, high-low temperature chamber high temperature temperature is 90 DEG C, and cryogenic temperature is -40 DEG C, and filters to test is preposition in the high-low temperature chamber
Heat preservation 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526017.5A CN109336597A (en) | 2018-12-13 | 2018-12-13 | The preparation method and test method of the base station 5G ceramic dielectric waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526017.5A CN109336597A (en) | 2018-12-13 | 2018-12-13 | The preparation method and test method of the base station 5G ceramic dielectric waveguide filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109336597A true CN109336597A (en) | 2019-02-15 |
Family
ID=65304150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811526017.5A Pending CN109336597A (en) | 2018-12-13 | 2018-12-13 | The preparation method and test method of the base station 5G ceramic dielectric waveguide filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109336597A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904581A (en) * | 2019-03-22 | 2019-06-18 | 泉州佰桀智能制鞋设备研究院有限公司 | A kind of base station automation 5G ceramic filter production line |
| CN110429367A (en) * | 2019-08-28 | 2019-11-08 | 胡银松 | A kind of base station 5G ceramic filter production method |
| CN110967590A (en) * | 2019-12-31 | 2020-04-07 | 深圳市麦捷微电子科技股份有限公司 | Test method and system for evaluating power tolerance of surface acoustic wave filter |
| CN113125885A (en) * | 2021-04-16 | 2021-07-16 | 成都泰格微波技术股份有限公司 | Electrical performance testing method for annular filter assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997010189A1 (en) * | 1993-06-04 | 1997-03-20 | Swartz Scott L | Bismuth-based dielectric ceramic compositions |
| CN1232801A (en) * | 1998-04-19 | 1999-10-27 | 浙江大学 | Microwave dielectric ceramic with high dielectric constant and its preparation |
| US20080061905A1 (en) * | 2005-03-16 | 2008-03-13 | Murata Manufacturing Co., Ltd. | High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus |
| CN103943921A (en) * | 2014-04-28 | 2014-07-23 | 合肥科尚电子科技有限公司 | Method for manufacturing ceramic dielectric filter and resonator inside ceramic dielectric filter |
| CN105669195A (en) * | 2016-01-04 | 2016-06-15 | 张家港保税区灿勤科技有限公司 | Low-dielectric-constant and high-Q-value microwave dielectric ceramic material and preparation method thereof |
| CN107935594A (en) * | 2018-01-08 | 2018-04-20 | 张家港保税区灿勤科技有限公司 | The preparation method of low-k ultra high quality factor microwave-medium ceramics |
-
2018
- 2018-12-13 CN CN201811526017.5A patent/CN109336597A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997010189A1 (en) * | 1993-06-04 | 1997-03-20 | Swartz Scott L | Bismuth-based dielectric ceramic compositions |
| CN1232801A (en) * | 1998-04-19 | 1999-10-27 | 浙江大学 | Microwave dielectric ceramic with high dielectric constant and its preparation |
| US20080061905A1 (en) * | 2005-03-16 | 2008-03-13 | Murata Manufacturing Co., Ltd. | High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus |
| CN103943921A (en) * | 2014-04-28 | 2014-07-23 | 合肥科尚电子科技有限公司 | Method for manufacturing ceramic dielectric filter and resonator inside ceramic dielectric filter |
| CN105669195A (en) * | 2016-01-04 | 2016-06-15 | 张家港保税区灿勤科技有限公司 | Low-dielectric-constant and high-Q-value microwave dielectric ceramic material and preparation method thereof |
| CN107935594A (en) * | 2018-01-08 | 2018-04-20 | 张家港保税区灿勤科技有限公司 | The preparation method of low-k ultra high quality factor microwave-medium ceramics |
Non-Patent Citations (3)
| Title |
|---|
| 巴学巍等: "《材料加工原理及工艺学.无机非金属材料和金属材料分册》", 30 April 2017, 哈尔滨工业大学出版社 * |
| 王琦: "《电磁场与微波技术实验教程》", 30 April 2013, 北京邮电大学出版社 * |
| 金志浩等: "《工程陶瓷材料》", 30 September 2000, 西安交通大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904581A (en) * | 2019-03-22 | 2019-06-18 | 泉州佰桀智能制鞋设备研究院有限公司 | A kind of base station automation 5G ceramic filter production line |
| CN110429367A (en) * | 2019-08-28 | 2019-11-08 | 胡银松 | A kind of base station 5G ceramic filter production method |
| CN110429367B (en) * | 2019-08-28 | 2021-05-14 | 南京华脉科技股份有限公司 | Production method of 5G base station ceramic filter |
| CN110967590A (en) * | 2019-12-31 | 2020-04-07 | 深圳市麦捷微电子科技股份有限公司 | Test method and system for evaluating power tolerance of surface acoustic wave filter |
| CN113125885A (en) * | 2021-04-16 | 2021-07-16 | 成都泰格微波技术股份有限公司 | Electrical performance testing method for annular filter assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109336597A (en) | The preparation method and test method of the base station 5G ceramic dielectric waveguide filter | |
| CN110423117B (en) | high-Q-value microwave dielectric ceramic material and preparation method thereof | |
| CN101260001A (en) | Novel high-Q microwave dielectric ceramic material and its preparation method | |
| US20110273265A1 (en) | Sintered metal oxide for thermistor, thermistor element, thermistor temperature sensor, and method for producing sintered metal oxide for thermistor | |
| CN108147809B (en) | Medium-low temperature sintered barium-titanium series microwave dielectric material and preparation method thereof | |
| CN114736010B (en) | A kind of high-entropy oxide ceramics and its preparation method and application as electromagnetic wave absorbing material | |
| CN114591075B (en) | A manganese zinc ferrite soft magnetic alloy wave absorbing material and its preparation process | |
| CN108059454B (en) | Temperature-stable high-dielectric-constant microwave dielectric ceramic and preparation method and application thereof | |
| WO2018133332A1 (en) | Voltage standing wave ratio detection method and device for point of interface | |
| CN107399967A (en) | A kind of ultra-low loss huge dielectric constant temperature-stable capacitor dielectric material | |
| CN108484126A (en) | A kind of microwave-medium ceramics and preparation method thereof | |
| CN107382314A (en) | A kind of microwave-medium ceramics of barium base complex perovskite structure | |
| CN105669195B (en) | Low dielectric constant and high Q value microwave dielectric ceramic materials and preparation method thereof | |
| CN104761249A (en) | Manganese zinc ferrite material and preparation method thereof | |
| CN109279882A (en) | A strontium copper silicate dielectric ceramic with adjustable temperature coefficient and its preparation method and application | |
| CN114477990A (en) | A method for preparing high-density magnesia-aluminum spinel ceramics by low-temperature pressureless sintering | |
| CN103880415A (en) | A low-loss high dielectric Sr1-x-y(Ca0.6M0.8/3)y(Na0.5E0.5)xTiO3 microwave ceramic and its preparation method | |
| CN105016729A (en) | Ca-Nd-Ti microwave dielectric ceramic material and preparation method thereof | |
| CN107586131A (en) | A kind of near-zero resonance frequency temperature coefficient microwave-medium ceramics and preparation method thereof | |
| CN103360050A (en) | Medium-dielectric-constant microwave dielectric ceramic and preparation method thereof | |
| CN105272216A (en) | Design method of reconfigurable metamaterial-based all-dielectric FSS (frequency selective surface) | |
| CN110950656A (en) | Composite microwave dielectric ceramic and preparation method thereof | |
| JPH02143502A (en) | Manufacture of ntc thermistor | |
| CN106866143B (en) | Microwave complex phase ceramic AWO4-TiO2 and preparation method thereof | |
| CN108503353A (en) | A kind of composite phosphate series microwave dielectric ceramic and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215634 Jiangsu Canqin Science and Technology Co., Ltd. No. 19 Jingang Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province Applicant after: Jiangsu Canqin Science and Technology Co., Ltd. Address before: Jingang road Suzhou 215634 Jiangsu province Zhangjiagang Free Trade Zone No. 19 Zhangjiagang bonded zone canqin science and Technology Co Ltd Applicant before: Zhangjiagang Bonded Area Canqin Technology Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |