CN102173755B - Low-temperature co-fired ceramic material, raw materials and preparation process thereof - Google Patents
Low-temperature co-fired ceramic material, raw materials and preparation process thereof Download PDFInfo
- Publication number
- CN102173755B CN102173755B CN 201110022908 CN201110022908A CN102173755B CN 102173755 B CN102173755 B CN 102173755B CN 201110022908 CN201110022908 CN 201110022908 CN 201110022908 A CN201110022908 A CN 201110022908A CN 102173755 B CN102173755 B CN 102173755B
- Authority
- CN
- China
- Prior art keywords
- powder
- weight parts
- temperature
- low
- ceramic material
- 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.)
- Expired - Fee Related
Links
Abstract
The invention discloses a low-temperature co-fired ceramic material which has low manufacturing cost, high contraction consistency, and is very suitable for low temperature co-fired ceramic (LTCC) curtain coating process production and in which glass is not needed to be founded, and raw materials and a preparation method thereof. The low-temperature co-fired ceramic material is a mixed presintered body which comprises 30 to 55 weight parts of Al2O3, 30 to 55 weight parts of powder a and 5 to 20 weight parts of powder b; the powder a is the presintered body which comprises 10 to 25 weight parts of CaO, 1 to 4 weight parts of MgO, 1 to 5 weight parts of LiO2, 40 to 60 weight parts of SiO2, and 10 to 30 weight parts of B2O3; and the powder b is the presintered body which comprises ZnO and SiO2 in a molar ratio of 2 to 1.
Description
Technical field
The present invention relates to field of electronic materials, relate in particular to a kind of low-temperature co-burning ceramic material and raw material thereof and preparation technology.
Background technology
LTCC (low temperature co-fired ceramics, write a Chinese character in simplified form LTCC) be the type material technology of nineteen eighty-two Hughes Electronics's exploitation, that low temperature co-fired structural ceramics powder is made the accurate and fine and close green band of thickness, utilize laser boring at the green band, micropore slip casting, the techniques such as accurate conductor paste printing are made needed circuitous pattern, and with a plurality of passive blocks (such as low appearance value electric capacity, resistance, wave filter, impedance transducer, coupling mechanism etc.) imbed in the multilayer ceramic substrate, then overlap together, internal and external electrode can use respectively silver, copper, the metals such as gold, at 900 ℃ of lower sintering, make the non-interfering high-density circuit of three-dimensional space, also can be made into the three-dimensional circuit substrate of built-in passive element, can mount IC and active part on its surface, make passive/active integrated functional module, can further with circuit miniaturization and densification, be particularly suitable for high frequency communication assembly.
The low-temperature co-fired ceramic medium baseplate material of current use mainly contains following two classes:
1, stupalith is matrix, by adding sintering aid (supporting fusing point oxide compound or low melting glass), the sintering temperature of stupalith is reduced to below 900 ℃, the low-temperature sintering dielectric material that electric property is had relatively high expectations generally is to adopt this mode to prepare stupalith, such as laminated medium electric capacity, laminated medium antenna and filter in laminated medium etc.;
2, take glass composition as matrix, first with glass melting, pulverize after quenching, form devitrified glass by crystallization in the sintering process at last, part Study person also adds pottery as machinery and the electric property of weighting agent to improve material before sintering, this material is mainly used in to the less demanding low-temperature sintering medium substrate of electric property, such as the high frequency laminated inductance.
Also have very large deficiency in these " glass+ceramics stopping composition " compound systems and " pottery+glass " system: 1. production cost is high, owing to need high temperature melting glass, heat treatment time is long, power consumption is large, vaporization at high temperature causes prescription to change, this has all caused manufacturing process complicated, and is not suitable for producing in enormous quantities; 2. high to equipment requirements, behind the glass melting, it is large to equipment loss to quench; 3. the glass dregs hardness after quenching is high, is difficult to levigately, not only increased manufacturing cost, and glass shape is poor, and Technological adaptability is bad.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of low-temperature co-burning ceramic material and raw material and preparation technology without fusion cast glass, low cost of manufacture, contraction high conformity, very suitable LTCC casting technique production.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of low-temperature co-burning ceramic material is provided, and described low-temperature co-burning ceramic material is the Al of 30~55 weight parts
2O
3, 30~55 weight parts powder a and 5~20 weight parts powder b mix the pre-burning body;
Described powder a is the pre-burning body, and its component is:
The CaO of 10~25 weight parts,
The MgO of 1~4 weight part,
The Li of 1~5 weight part
2O,
The SiO of 40~60 weight parts
2,
The B of 10~30 weight parts
2O
3
Described powder b is the pre-burning body, and its component is that mol ratio is 2: 1 ZnO and SiO
2
The present invention is with respect to prior art, and its beneficial effect is as follows:
1) the present invention is by regulating Al
2O
3, CaO, MgO, Li
2O, ZnO, SiO
2And B
2O
3Composition, the sintering temperature of material is controlled at below 900 ℃.
2) material of the present invention can make with Ag, Ag/Pd, Cu electrode matching co-firing, and has low specific inductivity (ε=5-8,1MHz), low-loss (D≤0.002) is applicable to lamination components and parts, medium substrate and semi-conductor and microelectronic packaging material field.
3) material of the present invention is a kind of without fusion cast glass, and manufacture craft is simple, and cost is low, and high conformity is shunk in energy-conserving and environment-protective, is fit to very much the production of LTCC casting technique.
For realizing second goal of the invention, the invention provides a kind of low-temperature co-burning ceramic material preparation raw material, described low-temperature co-burning ceramic material preparation uses raw material by the Al of 30~55 weight parts
2O
3, the powder a of 30~55 weight parts and the powder b of 5~20 weight parts mix;
Described powder a is the pre-burning body, and its component is:
The CaO of 10~25 weight parts,
The MgO of 1~4 weight part,
The Li of 1~5 weight part
2O,
The SiO of 40~60 weight parts
2,
The B of 10~30 weight parts
2O
3
Described powder b is the pre-burning body, and its component is that mol ratio is 2: 1 ZnO and SiO
2
Use this raw material can under the sintering temperature below 900 ℃, make such as the present invention above-mentioned low-temperature co-burning ceramic material.
The present invention also provides a kind of low-temperature co-burning ceramic material preparation raw material, and described low-temperature co-burning ceramic material preparation is the pre-burning body with raw material, and its component is:
The CaO of 10~25 weight parts,
The MgO of 1~4 weight part,
The Li of 1~5 weight part
2O,
The SiO of 40~60 weight parts
2,
The B of 10~30 weight parts
2O
3
The present invention provides again a kind of low-temperature co-burning ceramic material preparation raw material, and described low-temperature co-burning ceramic material preparation is the pre-burning body with raw material, and its component is that mol ratio is 2: 1 ZnO and SiO
2
Above-mentioned bi-material cooperates aluminum oxide to use, and can make such as the present invention above-mentioned low-temperature co-burning ceramic material under the sintering temperature below 900 ℃.
For reaching the 3rd goal of the invention, the invention provides the preparation technology that raw material is used in a kind of low-temperature co-burning ceramic material preparation, may further comprise the steps:
Step 1: preparation powder a and powder b
The preparation of powder a may further comprise the steps:
A1: take by weighing the CaO of 10~25 weight parts, the MgO of 1~4 weight part is converted into 1~5 weight part Li
2The Li of O
2CO
3, the SiO of 40~60 weight parts
2Be converted into 10~30 weight part B
2O
3H
3BO
3, be processed into less than 20 purpose mixed powders;
A2: step a1 gained mixed powder is obtained powder a 500~800 ℃ of lower calcinings;
The preparation of powder b may further comprise the steps;
B1: took by weighing ZnO and SiO in 2: 1 in molar ratio
2Be processed into less than 20 purpose mixed powders;
B2: step b1 gained mixed powder is obtained powder b 1000~1100 ℃ of lower calcinings;
The Al of step 2:30~55 weight parts
2O
3, the powder a of 30~55 weight parts and the powder b of 5~20 weight parts mix, and obtains low-temperature co-burning ceramic material.
Technique of the present invention is applicable to and Ag, Ag/Pd, Cu electrode matching co-firing, and has low specific inductivity (ε=5-8,1MHz), low-loss (D≤0.002) is applicable to lamination components and parts, medium substrate and semi-conductor and microelectronic packaging material field.
And technique of the present invention is a kind of without fusion cast glass, and manufacture craft is simple, and cost is low, and high conformity is shunk in energy-conserving and environment-protective, is fit to very much the material preparation process that the LTCC casting technique is produced.
Wherein, be processed among step a1, the b1 20 purpose mixed powders can for: starting material and deionized water are placed ball mill ball milling post-drying, then cross 20 mesh sieves.
In the step 2 with Al
2O
3, powder a and powder b mix and be specially: with Al
2O
3, powder a and powder b place ball mill Ball milling post-drying together with deionized water.
Wherein, with the present invention and improve aluminum oxide, powder a, b mixing granulation, moulding in the technique, then place sintering under 900 ℃ the temperature, obtain described low-temperature co-burning ceramic material.
Wherein, sintering process can for: the temperature rise rate with 5 ℃/min is warmed up to 550 ℃, insulation 30min, then the temperature rise rate with 2.5 ℃/min is warmed up to 870~900 ℃, and is incubated 2~4 hours, adopts air atmosphere, cools to room temperature with the furnace.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment is detailed.
Embodiment 1:
1, by weight percentage CaO 25%, MgO 4%, SiO
240%, B
2O
3(with H
3BO
3Form is introduced) 30%, Li
2O is (with Li
2CO
3The form introducing) powder of 1% weighing gross weight 100Kg, together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
2, step (1) gained powder is namely got powder a at 500 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
3, ZnO: SiO in molar ratio
2Prepare powder 100Kg at=2: 1, and together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
4, step (3) gained powder is namely being got powder b at 1050 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
5, by weight percentage powder a 30%, powder b 15%, Al
2O
355% weighing gross weight 100Kg powder together with deionized water 80Kg, is put into ball mill and is disperseed 30 ± 4hr, then through namely get described LTCC medium substrate material preparation raw material in 150 ± 5 ℃ of oven dry;
6, get step (5) LTCC medium substrate material preparation raw material, the polyvinyl alcohol solution that adds massfraction 5% is made binding agent, granulation;
7, moulding.Green compact diameter 14.2mm, height 3~4mm, pressure is 1 ton, pressurize 10 seconds;
8, sintering adopts conventional sintering, is warmed up to 550 ℃ with 5 ℃/min, and then insulation 30min is warmed up to 870~900 ℃ with 2.5 ℃/min, and is incubated 2~4 hours, adopts air atmosphere, cools to room temperature with the furnace;
9, use the miking radial shrinkage ratio, the drainage measuring density adopts TH2828 impedance instrument Measuring Dielectric Constant and dielectric loss, and performance sees Table 1
Table 1
Embodiment two
1, by weight percentage CaO 20%, MgO 3%, SiO
250%, B
2O
3(with H
3BO
3Form is introduced) 25%, Li
2O is (with Li
2CO
3The form introducing) powder of 2% weighing gross weight 100Kg, together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
2, step (1) gained powder is namely got powder a at 600 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
3, ZnO: SiO in molar ratio
2Prepare powder 100Kg at=2: 1, and together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
4, step (3) gained powder is namely being got powder b at 1050 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
5, by weight percentage powder a 55%, powder b 15%, Al
2O
330% weighing gross weight 100Kg powder together with deionized water 80Kg, is put into ball mill and is disperseed 30 ± 4hr, then through namely get described LTCC medium substrate material preparation raw material in 150 ± 5 ℃ of oven dry;
6, get step (5) LTCC medium substrate material preparation raw material, the polyvinyl alcohol solution that adds massfraction 5% is made binding agent, granulation;
7, moulding.Green compact diameter 14.2mm, height 3~4mm, pressure is 1 ton, pressurize 10 seconds;
8, sintering adopts conventional sintering, is warmed up to 550 ℃ with 5 ℃/min, and then insulation 30min is warmed up to 870~900 ℃ with 2.5 ℃/min, and is incubated 2-4 hour, adopts air atmosphere, cools to room temperature with the furnace;
9, use the miking radial shrinkage ratio, the drainage measuring density adopts TH2828 impedance instrument Measuring Dielectric Constant and dielectric loss, and performance sees Table 2
Table 2
Embodiment three
1, by weight percentage CaO 25%, MgO 2%, SiO
260%, B
2O
3(with H
3BO
3Form is introduced) 10%, Li
2O is (with Li
2CO
3The form introducing) powder of 3% weighing gross weight 100Kg, together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
2, step (1) gained powder is namely got powder a at 800 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
3, ZnO: SiO in molar ratio
2Prepare powder 100Kg at=2: 1, and together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
4, step (3) gained powder is namely being got powder b at 1050 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
5, by weight percentage powder a 45%, powder b 5%, Al
2O
350% weighing gross weight 100Kg powder together with deionized water 80Kg, is put into ball mill and is disperseed 30 ± 4hr, then through namely get described LTCC medium substrate material preparation raw material in 150 ± 5 ℃ of oven dry;
6, get step (5) LTCC medium substrate material preparation raw material, the polyvinyl alcohol solution that adds massfraction 5% is made binding agent, granulation;
7, moulding.Green compact diameter 14.2mm, height 3~4mm, pressure is 1 ton, pressurize 10 seconds;
8, sintering adopts conventional sintering, is warmed up to 550 ℃ with 5 ℃/min, and then insulation 30min is warmed up to 870~900 ℃ with 2.5 ℃/min, and is incubated 2-4 hour, adopts air atmosphere, cools to room temperature with the furnace;
9, use the miking radial shrinkage ratio, the drainage measuring density adopts TH2828 impedance instrument Measuring Dielectric Constant and dielectric loss, and performance sees Table 3
Table 3
Embodiment four
1, by weight percentage CaO 10%, MgO 1%, SiO
260%, B
2O
3(with H
3BO
3Form is introduced) 24%, Li
2O is (with Li
2CO
3The form introducing) powder of 5% weighing gross weight 100Kg, together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
2, step (1) gained powder is namely got powder a at 700 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
3, ZnO: SiO in molar ratio
2Prepare powder 100Kg at=2: 1, and together with deionized water 200Kg, mixing and ball milling 24 ± 4hr obtains powder again through dry, cross 20 mesh sieves under 150 ± 5 ℃ after;
4, step (3) gained powder is namely being got powder b at 1050 ± 50 ℃ of temperature lower calcination 2 ± 1hr;
5, by weight percentage powder a 40%, powder b 20%, Al
2O
340% weighing gross weight 100Kg powder together with deionized water 80Kg, is put into ball mill and is disperseed 30 ± 4hr, then through namely get described LTCC medium substrate material preparation raw material in 150 ± 5 ℃ of oven dry;
6, get step (5) LTCC medium substrate material preparation raw material, the polyvinyl alcohol solution that adds massfraction 5% is made binding agent, granulation;
7, moulding.Green compact diameter 14.2mm, height 3~4mm, pressure is 1 ton, pressurize 10 seconds;
8, sintering adopts conventional sintering, is warmed up to 550 ℃ with 5 ℃/min, and then insulation 30min is warmed up to 870~900 ℃ with 2.5 ℃/min, and is incubated 2-4 hour, adopts air atmosphere, cools to room temperature with the furnace;
9, use the miking radial shrinkage ratio, the drainage measuring density adopts TH2828 impedance instrument Measuring Dielectric Constant and dielectric loss, and performance sees Table 4
Table 4
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. a low-temperature co-burning ceramic material is characterized in that, described low-temperature co-burning ceramic material is the Al of 30~55 weight parts
2O
3, 30~55 weight parts powder a and 5~20 weight parts powder b mix the pre-burning body;
Described powder a is the pre-burning body, and its component is:
The CaO of 10~25 weight parts,
The MgO of 1~4 weight part,
The Li of 1~5 weight part
2O,
The SiO of 40~60 weight parts
2,
The B of 10~30 weight parts
2O
3
Described powder b is the pre-burning body, and its component is that mol ratio is ZnO and the SiO of 2:1
2
2. raw material is used in a low-temperature co-burning ceramic material preparation, it is characterized in that, described low-temperature co-burning ceramic material preparation uses raw material by the Al of 30~55 weight parts
2O
3, the powder a of 30~55 weight parts and the powder b of 5~20 weight parts mix;
Described powder a is the pre-burning body, and its component is:
The CaO of 10~25 weight parts,
The MgO of 1~4 weight part,
The Li of 1~5 weight part
2O,
The SiO of 40~60 weight parts
2,
The B of 10~30 weight parts
2O
3
Described powder b is the pre-burning body, and its component is that mol ratio is ZnO and the SiO of 2:1
2
3. a low-temperature co-burning ceramic material prepares the preparation technology who uses raw material, it is characterized in that, may further comprise the steps:
Step 1: preparation powder a and powder b
The preparation of powder a may further comprise the steps:
A1: take by weighing the CaO of 10~25 weight parts, the MgO of 1~4 weight part is converted into 1~5 weight part Li
2The Li of O
2CO
3, the SiO of 40~60 weight parts
2Be converted into 10~30 weight part B
2O
3H
3BO
3, be processed into less than 20 purpose mixed powders;
A2: step a1 gained mixed powder is obtained powder a 500~800 ℃ of lower calcinings;
The preparation of powder b may further comprise the steps;
B1: 2:1 takes by weighing ZnO and SiO in molar ratio
2Be processed into less than 20 purpose mixed powders;
B2: step b1 gained mixed powder is obtained powder b 1000~1100 ℃ of lower calcinings;
The Al of step 2:30~55 weight parts
2O
3, the powder a of 30~55 weight parts and the powder b of 5~20 weight parts mix, and obtains low-temperature co-burning ceramic material preparation raw material.
4. low-temperature co-burning ceramic material according to claim 3 prepares the preparation technology with raw material, it is characterized in that, be processed among step a1, the b1 less than 20 purpose mixed powders and be specially: starting material and deionized water are placed ball mill ball milling post-drying, then cross 20 mesh sieves;
In the step 2 with Al
2O
3, powder a and powder b mix and be specially: with Al
2O
3, powder a and powder b place ball mill Ball milling post-drying together with deionized water.
5. the preparation technology of a low-temperature co-burning ceramic material is characterized in that, the raw material granulation is used in the preparation of claim 3 or 4 gained low-temperature co-burning ceramic materials, and then moulding places sintering under 900 ℃ the temperature, obtains described low-temperature co-burning ceramic material.
6. the preparation technology of low-temperature co-burning ceramic material according to claim 5, it is characterized in that, sintering process is specially: the temperature rise rate with 5 ℃/min is warmed up to 550 ℃, insulation 30min, then the temperature rise rate with 2.5 ℃/min is warmed up to 870~900 ℃, and be incubated 2~4 hours, and adopt air atmosphere, cool to room temperature with the furnace.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110022908 CN102173755B (en) | 2011-01-20 | 2011-01-20 | Low-temperature co-fired ceramic material, raw materials and preparation process thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110022908 CN102173755B (en) | 2011-01-20 | 2011-01-20 | Low-temperature co-fired ceramic material, raw materials and preparation process thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102173755A CN102173755A (en) | 2011-09-07 |
CN102173755B true CN102173755B (en) | 2013-01-23 |
Family
ID=44517053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110022908 Expired - Fee Related CN102173755B (en) | 2011-01-20 | 2011-01-20 | Low-temperature co-fired ceramic material, raw materials and preparation process thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102173755B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102503137A (en) * | 2011-10-13 | 2012-06-20 | 天津大学 | Calcium-aluminum-boron-silicon glass and fused quartz low-temperature co-fired ceramic material and preparation method thereof |
CN102863221B (en) * | 2012-09-20 | 2014-04-16 | 广东风华高新科技股份有限公司 | Method, sintering aid and materials for preparation of low-temperature cofired medium ceramic and application |
CN102898145B (en) * | 2012-10-09 | 2014-06-04 | 天津大学 | Li2O-Al2O3-SiO2-B2O3, CaO-Al2O3-SiO2-B2O3 crystallizable glass low-temperature co-fired composite material and preparation method thereof |
CN103265270B (en) * | 2013-05-22 | 2014-09-03 | 淮南舜陶应用材料科技有限公司 | Method for preparing low-temperature co-fired ceramic powder paste applied to LED (Light Emitting Diode) substrate |
CN103936401B (en) * | 2013-11-25 | 2016-08-17 | 云南银峰新材料有限公司 | A kind of preparation method of low dielectric constant microwave dielectric ceramic material |
CN106205855B (en) * | 2016-03-01 | 2019-02-05 | 云南银峰新材料有限公司 | A kind of method that wicker copper electrode slurry customizes matching LTCC film strips casting slurry |
CN106747357B (en) * | 2016-12-22 | 2019-12-06 | 广东风华高新科技股份有限公司 | Low-temperature co-fired ceramic and preparation method thereof |
CN108218406B (en) * | 2018-01-19 | 2020-12-25 | 北京元六鸿远电子科技股份有限公司 | Low-temperature co-fired ceramic material with low dielectric constant and low loss and preparation method thereof |
CN109467426A (en) * | 2018-10-29 | 2019-03-15 | 中国电子科技集团公司第四十三研究所 | A kind of low-temperature co-fired ceramic substrate material and preparation method thereof |
CN110171962B (en) * | 2019-01-04 | 2021-09-28 | 南京汇聚新材料科技有限公司 | Low-temperature co-fired ceramic microwave and millimeter wave material |
CN111333333A (en) * | 2020-03-03 | 2020-06-26 | 江苏新砺河磨具科技有限公司 | Preparation method of low-temperature co-fired ceramic material for 3D printing molding |
CN112592160B (en) * | 2020-12-23 | 2022-05-24 | 嘉兴佳利电子有限公司 | Complex-phase low-temperature co-fired ceramic material and preparation method thereof |
CN115894002B (en) * | 2022-12-06 | 2023-09-22 | 中国科学院合肥物质科学研究院 | Diphase ceramic reinforced low-temperature cofiring ceramic material and preparation method and application thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1121492A (en) * | 1995-06-12 | 1996-05-01 | 梁东明 | Nucleated glass and production technology |
CN1165117A (en) * | 1996-02-29 | 1997-11-19 | Tdk株式会社 | Glass and ceramic substrate using the same |
US6824877B1 (en) * | 2001-08-31 | 2004-11-30 | John Howard Groth | Clay compositions and objects including clay compositions |
CN1872753A (en) * | 2005-05-31 | 2006-12-06 | 电子科技大学 | Ceramic material of microcrystalline glass, and preparation method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004075534A (en) * | 2003-08-22 | 2004-03-11 | Asahi Techno Glass Corp | Insulating composition |
-
2011
- 2011-01-20 CN CN 201110022908 patent/CN102173755B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1121492A (en) * | 1995-06-12 | 1996-05-01 | 梁东明 | Nucleated glass and production technology |
CN1165117A (en) * | 1996-02-29 | 1997-11-19 | Tdk株式会社 | Glass and ceramic substrate using the same |
US6824877B1 (en) * | 2001-08-31 | 2004-11-30 | John Howard Groth | Clay compositions and objects including clay compositions |
CN1872753A (en) * | 2005-05-31 | 2006-12-06 | 电子科技大学 | Ceramic material of microcrystalline glass, and preparation method |
Non-Patent Citations (1)
Title |
---|
JP特开2004-75534A 2004.03.11 |
Also Published As
Publication number | Publication date |
---|---|
CN102173755A (en) | 2011-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102173755B (en) | Low-temperature co-fired ceramic material, raw materials and preparation process thereof | |
CN107602088B (en) | Low-temperature co-fired ceramic material highly matched with high-temperature conductive silver paste and preparation method thereof | |
CN101613200B (en) | Low-temperature sintered microwave medium ceramic material and preparation method thereof | |
CN102875159A (en) | Method for preparing low-temperature cofired dielectric ceramic and material and sintering aid of low-temperature cofired dielectric ceramic | |
CN106904953B (en) | High-thermal-expansion-coefficient ceramic material for high-density packaging and preparation method thereof | |
CN110256060A (en) | A kind of high frequency low-k low-temperature co-burning ceramic material and preparation method | |
CN104230329A (en) | Low-temperature sintered microwave ceramic material and preparation method thereof | |
CN101717245A (en) | Low-temperature co-fired ceramic substrate material and preparation method thereof | |
CN109650871A (en) | A kind of ZnAl2O4Ceramic systems material and preparation method thereof | |
CN108218406B (en) | Low-temperature co-fired ceramic material with low dielectric constant and low loss and preparation method thereof | |
JP4535592B2 (en) | Laminated body | |
CN111574212A (en) | Low-temperature sintered low-dielectric microwave ceramic material and preparation method thereof | |
CN102603292B (en) | Composite oxide used for sintering microwave dielectric ceramics at low temperature | |
KR100704318B1 (en) | Low-temperature Firing Low Dielectric constant Dielectric Composition | |
CN106083043A (en) | A kind of Li base low Jie low-loss LTCC material and preparation method thereof | |
CN103420670B (en) | Low-temperature sintered microwave ceramic material and preparation method thereof | |
CN103601494A (en) | Tungstate low-temperature co-fired ceramic material and preparation method thereof | |
CN102898027A (en) | Ceramic powder for electronic component packaging material and production method for ceramic powder | |
US20030096692A1 (en) | Dense lead-free glass ceramic for electronic devices | |
CN109714015B (en) | Laminated low-pass filter based on magnetic dielectric composite material | |
CN110229002B (en) | Low-temperature co-fired ceramic material and preparation method thereof | |
CN101565302A (en) | Ceramic packaging material for LED and production method thereof | |
KR100557853B1 (en) | Phosphate Ceramic Compositions with Low Dielectric Constant | |
US6228788B1 (en) | High-frequency ceramic inductor formulation | |
CN103979941B (en) | Low-temperature co-fired ceramic and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20190120 |
|
CF01 | Termination of patent right due to non-payment of annual fee |