CN107935594A - The preparation method of low-k ultra high quality factor microwave-medium ceramics - Google Patents

The preparation method of low-k ultra high quality factor microwave-medium ceramics Download PDF

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CN107935594A
CN107935594A CN201810014956.5A CN201810014956A CN107935594A CN 107935594 A CN107935594 A CN 107935594A CN 201810014956 A CN201810014956 A CN 201810014956A CN 107935594 A CN107935594 A CN 107935594A
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朱田中
崔春伟
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ZHANGJIAGANG BONDED AREA CANQIN TECHNOLOGY Co Ltd
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ZHANGJIAGANG BONDED AREA CANQIN TECHNOLOGY Co Ltd
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Abstract

This application discloses a kind of preparation method of low-k ultra high quality factor microwave-medium ceramics, stocked up by following molar ratio:0.15~0.25 barium carbonate；0.05~0.15 alundum (Al2O3)；0.48~0.60 tantalum pentoxide；0.15~0.22 zinc oxide；0.01~0.03 strontium carbonate；0.03~0.05 silica prepares microwave-medium ceramics.The microwave-medium ceramics dielectric constant 20.0 ± 1.0 that the present invention obtains, and quality factor >=250000GHz.

Description

The preparation method of low-k ultra high quality factor microwave-medium ceramics
Technical field
This application involves the preparation method of microwave-medium ceramics, particularly a kind of low-k ultra high quality factor microwave The preparation method of media ceramic.
Background technology
The microwave-medium ceramics of existing making can not meet low-k and two conditions of ultrahigh Q-value at the same time, can not Meets the needs of existing production.
The content of the invention
The present invention is to overcome the deficiencies of the prior art and provide a kind of low-k ultra high quality factor microwave-medium The preparation method of ceramics.
To achieve the above object, the present invention provides following technical solution：
The embodiment of the present application discloses the preparation method of low-k ultra high quality factor microwave-medium ceramics, including such as Lower step,
S1 stocks up according to following molar ratio:0.15~0.25 barium carbonate；0.05~0.15 alundum (Al2O3)；0.48~0.60 Tantalum pentoxide；0.15~0.22 zinc oxide；0.01~0.03 strontium carbonate；0.03~0.05 silica；
The barium carbonate, alundum (Al2O3), tantalum pentoxide, zinc oxide are mixed to form the first microwave material by S2, in institute State and deionized water and zirconia balls progress ball milling are added in the first microwave material, dried after ball milling, then by steel wire Mesh screen obtains the first powder；
S3 is by first powder calcination；
The strontium carbonate, silica the second microwave material of formation are added in the first powders of S4 after firing, described Deionized water is added in second microwave material and carries out ball milling with zirconia balls, is dried after ball milling, then by steel wire Sieve obtains the second powder；
S5 is by second powder calcination；
The second powder after calcining is put into polyesteramine bucket by S6, adds deionized water and zirconia balls, adds polyethylene Alcohol solution after adding dispersant and releasing agent ball milling 24h, is granulated as binding agent；
S7 is pressed into granulation powder the sequin of radius 13.85mm, thickness 6.2mm；
The sequin suppressed is sintered 20h at a temperature of 1600~1650 DEG C and obtains product by S8.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S1, the barium carbonate, alundum (Al2O3), tantalum pentoxide, strontium carbonate, the purity of silica are more than 99.99%.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S2, first microwave material, deionized water, the mass ratio of zirconia balls are 1: 1.2: 2.5.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S2, drying temperature is 150 ± 5 DEG C, and the steel wire mesh screen is 200 mesh.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S3, calcining heat is 1350~1400 DEG C, calcination time 5h.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S4, second microwave material, deionized water, the mass ratio of zirconia balls are 1: 1.2: 2.5.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S4, drying temperature is 150 ± 5 DEG C, and the steel wire mesh screen is 200 mesh.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S5, calcining heat is 1400~1450 DEG C, calcination time 5h.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S6, the mass ratio of the second powder, deionized water, zirconia balls after calcining is 1: 1.0: 2.5.
Preferably, in the preparation method of above-mentioned low-k ultra high quality factor microwave-medium ceramics, the step In rapid S9, the compact density of the sequin is 3.90 ± 0.10g/cm3。
The beneficial effects of the invention are as follows obtained microwave-medium ceramics dielectric constant 20.0 ± 1.0, and quality factor >= 250000GHz。
Embodiment
It will be apparent from the preferred embodiment of the present invention below.
Early-stage preparations raw material：Barium carbonate, alundum (Al2O3), tantalum pentoxide, strontium carbonate, the purity of silica are More than 99.99%, nanoscale, purity zinc oxide reaches high-grade pure.
Embodiment 1
S1 stocks up according to following molar ratio:0.15 barium carbonate；0.15 alundum (Al2O3)；0.52 tantalum pentoxide；0.15 oxygen Change zinc；0.01 strontium carbonate；0.05 silica；
Barium carbonate, alundum (Al2O3), tantalum pentoxide, zinc oxide are mixed to form the first microwave material by S2, micro- first Deionized water is added in wave material and carries out ball milling, the first microwave material, deionized water, the matter of zirconia balls with zirconia balls Amount dries at 152 DEG C after ball milling than being 1: 1.2: 2.5, then obtains the first powder by 200 mesh steel wire mesh screens；
S3 is by the first powder calcination, and calcining heat is 1380 DEG C, calcination time 5h；
Strontium carbonate, silica the second microwave material of formation are added in the first powders of S4 after firing, in the second microwave Deionized water is added in material and carries out ball milling, the second microwave material, deionized water, the quality of zirconia balls with zirconia balls Than for 1: 1.2: 2.5, being dried after ball milling at 151 DEG C, then obtaining the second powder by 200 mesh steel wire mesh screens；
S5 is by the second powder calcination, and calcining heat is 1430 DEG C, calcination time 5h；
The second powder after calcining is put into polyesteramine bucket by S6, adds deionized water and zirconia balls, and the after calcining Two powders, deionized water, the mass ratio of zirconia balls are 1: 1.0: 2.5, add polyvinyl alcohol water solution as binding agent, add After entering dispersant and releasing agent ball milling 24h, it is granulated；
S7 is pressed into granulation powder the sequin of radius 13.85mm, thickness 6.2mm, and the compact density of sequin is 3.95g/cm3；
The sequin suppressed is sintered 20h at a temperature of 1630 DEG C and obtains product by S8.
Embodiment 2
S1 stocks up according to following molar ratio:0.22 barium carbonate；0.08 alundum (Al2O3)；0.48 tantalum pentoxide；0.17 oxygen Change zinc；0.02 strontium carbonate；0.04 silica；
Barium carbonate, alundum (Al2O3), tantalum pentoxide, zinc oxide are mixed to form the first microwave material by S2, micro- first Deionized water is added in wave material and carries out ball milling, the first microwave material, deionized water, the matter of zirconia balls with zirconia balls Amount dries at 153 DEG C after ball milling than being 1: 1.2: 2.5, then obtains the first powder by 200 mesh steel wire mesh screens；
S3 is by the first powder calcination, and calcining heat is 1375 DEG C, calcination time 5h；
Strontium carbonate, silica the second microwave material of formation are added in the first powders of S4 after firing, in the second microwave Deionized water is added in material and carries out ball milling, the second microwave material, deionized water, the quality of zirconia balls with zirconia balls Than for 1: 1.2: 2.5, being dried after ball milling at 150 DEG C, then obtaining the second powder by 200 mesh steel wire mesh screens；
S5 is by the second powder calcination, and calcining heat is 1440 DEG C, calcination time 5h；
The second powder after calcining is put into polyesteramine bucket by S6, adds deionized water and zirconia balls, and the after calcining Two powders, deionized water, the mass ratio of zirconia balls are 1: 1.0: 2.5, add polyvinyl alcohol water solution as binding agent, add After entering dispersant and releasing agent ball milling 24h, it is granulated；
S7 is pressed into granulation powder the sequin of radius 13.85mm, thickness 6.2mm, and the compact density of sequin is 3.92g/cm3；
The sequin suppressed is sintered 20h at a temperature of 1620 DEG C and obtains product by S8.
Embodiment 3
S1 stocks up according to following molar ratio:0.25 barium carbonate；0.05 alundum (Al2O3)；0.60 tantalum pentoxide；0.22 oxygen Change zinc；0.03 strontium carbonate；0.03 silica；
Barium carbonate, alundum (Al2O3), tantalum pentoxide, zinc oxide are mixed to form the first microwave material by S2, micro- first Deionized water is added in wave material and carries out ball milling, the first microwave material, deionized water, the matter of zirconia balls with zirconia balls Amount dries at 148 DEG C after ball milling than being 1: 1.2: 2.5, then obtains the first powder by 200 mesh steel wire mesh screens；
S3 is by the first powder calcination, and calcining heat is 1390 DEG C, calcination time 5h；
Strontium carbonate, silica the second microwave material of formation are added in the first powders of S4 after firing, in the second microwave Deionized water is added in material and carries out ball milling, the second microwave material, deionized water, the quality of zirconia balls with zirconia balls Than for 1: 1.2: 2.5, being dried after ball milling at 150 DEG C, then obtaining the second powder by 200 mesh steel wire mesh screens；
S5 is by the second powder calcination, and calcining heat is 1425 DEG C, calcination time 5h；
The second powder after calcining is put into polyesteramine bucket by S6, adds deionized water and zirconia balls, and the after calcining Two powders, deionized water, the mass ratio of zirconia balls are 1: 1.0: 2.5, add polyvinyl alcohol water solution as binding agent, add After entering dispersant and releasing agent ball milling 24h, it is granulated；
S7 is pressed into granulation powder the sequin of radius 13.85mm, thickness 6.2mm, and the compact density of sequin is 3.88g/cm3；
The sequin suppressed is sintered 20h at a temperature of 1650 DEG C and obtains product by S8.
Embodiment 1-3 is tested for the property, instrument model HP8703A, test cavity is 30 × t28mm's of Φ Silver coated aluminum chamber, its each item data are as follows：
Present embodiment does not simply limit its protection domain to the exemplary illustration of this patent, 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 substitution to this patent, all Within the protection domain of this patent.

Claims (10)

1. a kind of preparation method of low-k ultra high quality factor microwave-medium ceramics, it is characterised in that including following step Suddenly,
S1 stocks up according to following molar ratio:0.15~0.25 barium carbonate；0.05~0.15 alundum (Al2O3)；0.48~0.60 5 oxygen Change two tantalums；0.15~0.22 zinc oxide；0.01~0.03 strontium carbonate；0.03~0.05 silica；
The barium carbonate, alundum (Al2O3), tantalum pentoxide, zinc oxide are mixed to form the first microwave material by S2, described Deionized water is added in one microwave material and carries out ball milling with zirconia balls, is dried after ball milling, then by steel wire mesh screen Obtain the first powder；
S3 is by first powder calcination；
The strontium carbonate, silica the second microwave material of formation are added in the first powders of S4 after firing, described second Deionized water is added in microwave material and carries out ball milling with zirconia balls, dries after ball milling, is then obtained by steel wire mesh screen To the second powder；
S5 is by second powder calcination；
The second powder after calcining is put into polyesteramine bucket by S6, adds deionized water and zirconia balls, adds polyvinyl alcohol water Solution after adding dispersant and releasing agent ball milling 24h, is granulated as binding agent；
S7 is pressed into granulation powder the sequin of radius 13.85mm, thickness 6.2mm；
The sequin suppressed is sintered 20h at a temperature of 1600~1650 DEG C and obtains product by S8.
2. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S1, the barium carbonate, alundum (Al2O3), tantalum pentoxide, strontium carbonate, the purity of silica are More than 99.99%.
3. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S2, first microwave material, deionized water, the mass ratio of zirconia balls are 1: 1.2: 2.5.
4. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S2, drying temperature is 150 ± 5 DEG C, and the steel wire mesh screen is 200 mesh.
5. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S3, calcining heat is 1350~1400 DEG C, calcination time 5h.
6. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S4, second microwave material, deionized water, the mass ratio of zirconia balls are 1: 1.2: 2.5.
7. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S4, drying temperature is 150 ± 5 DEG C, and the steel wire mesh screen is 200 mesh.
8. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S5, calcining heat is 1400~1450 DEG C, calcination time 5h.
9. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S6, the mass ratio of the second powder, deionized water, zirconia balls after calcining is 1: 1.0: 2.5.
10. the preparation method of low-k ultra high quality factor microwave-medium ceramics according to claim 1, its feature It is, in the step S9, the compact density of the sequin is 3.90 ± 0.10g/cm3。
CN201810014956.5A 2018-01-08 2018-01-08 The preparation method of low-k ultra high quality factor microwave-medium ceramics Pending CN107935594A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020536A (en) * 2018-09-29 2018-12-18 成都顺康三森电子有限责任公司 A kind of media ceramic resonance manufacturing method
CN109336597A (en) * 2018-12-13 2019-02-15 张家港保税区灿勤科技有限公司 The preparation method and test method of the base station 5G ceramic dielectric waveguide filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659396A (en) * 2012-03-28 2012-09-12 厦门松元电子有限公司 Low-dielectric constant microwave ceramic dielectric material and preparation method thereof
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659396A (en) * 2012-03-28 2012-09-12 厦门松元电子有限公司 Low-dielectric constant microwave ceramic dielectric material and preparation method thereof
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020536A (en) * 2018-09-29 2018-12-18 成都顺康三森电子有限责任公司 A kind of media ceramic resonance manufacturing method
CN109336597A (en) * 2018-12-13 2019-02-15 张家港保税区灿勤科技有限公司 The preparation method and test method of the base station 5G ceramic dielectric waveguide filter

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