CN103289158A - Substrate and preparation method thereof - Google Patents
Substrate and preparation method thereof Download PDFInfo
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- CN103289158A CN103289158A CN2012100504860A CN201210050486A CN103289158A CN 103289158 A CN103289158 A CN 103289158A CN 2012100504860 A CN2012100504860 A CN 2012100504860A CN 201210050486 A CN201210050486 A CN 201210050486A CN 103289158 A CN103289158 A CN 103289158A
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Abstract
The invention relates to the field of a material substrate and provides a substrate and a preparation method thereof. The dielectric constant of a porous glass ceramic material prepared from CaO-B2O3-SiO2-series glass ceramic by means of sintering can be reduced to 2-3, and simultaneously the loss can be reduced by 30%; furthermore, the preparation method is scientific, reasonable, simple and easy to implement; and a low-dielectric constant and low-loss substrate prepared by the porous glass ceramic material satisfies the requirements of a super-material substrate on dielectric constant and loss and can be widely applied to the field of electromagnetic materials.
Description
Technical field
The present invention relates to the circuit substrate field, relate in particular to a kind of substrate and preparation method thereof.
Background technology
In recent years, develop rapidly along with modern communication technologys such as mobile communication, satellite communications, Global Positioning System (GPS), Bluetooth technology and wireless lan (wlan)s, microwave technology is also towards higher frequency, namely towards millimeter wave and the development of submillimeter wave line of propagation.The research of low dielectric constant microwave dielectric ceramic material is more and more paid close attention to.This type of material can be widely used in satellite communication, guided missile remote control and Global Positioning System (GPS) antenna, communication equipment etc., these Application Areass have lower dielectric loss, the low temperature coefficient of resonance frequency except requiring pottery, also require pottery to have less specific inductivity.In today that IT wave have swepts the globe, signal equipment and portable terminal are inevitable to be developed to small-sized, light weight, slim, high frequency, multi-functional, high-performance direction.
At present, low dielectric, ceramics as low-loss microwave medium material mainly contain Al2O3 system, SiO2 system, Si3N4 system, AlN system, glass/ceramic system etc., and preparing these potteries is to utilize its low dielectric characteristics substantially, adds sintering aid, realizes the low-temperature sintering of pottery.
And the research of low dielectric glass/pottery system now mainly concentrates searching to have on the material of low-k characteristic, but effect is limited, the devitrified glass specific inductivity of the lowest dielectric constant that has prepared needs further to reduce specific inductivity to satisfy especially super material field, current each field to the service requirements of dielectric materials about 5.
Summary of the invention
The objective of the invention is to overcome the overweight defective of prior art circuits substrate, a kind of substrate is provided, this substrate has characteristics such as low-k, high strength and quality are light.
The preparation method who also has a purpose to be to provide a kind of substrate of the present invention.
In order to achieve the above object, the following technical scheme of the present invention's employing:
A kind of substrate, described substrate is made by porous glass ceramics material and macromolecular material, and described porous glass ceramics material and macromolecular material are made by following weight ratio: 10%～40% porous glass ceramics material and 60%～90% macromolecular material.
Further, described porous glass ceramics material is made by the raw material of following weight ratio:
25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2
Further, described macromolecular material comprises polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, polycarbonate, urethane, tetrafluoroethylene and polyethylene terephthalate.
A kind of preparation method of substrate, the step of described method comprises:
A, preparation porous glass ceramics material are also worn into powder with it;
B, ground porous glass ceramics material is carried out modification;
C, with the porous glass ceramics material after the modification mix with macromolecular material and desolventizing obtain the porous glass ceramics polymer composite;
D, the porous glass ceramics polymer composite is made substrate at mould.
Further, described step a comprises: by weight with 25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with 5～10 ℃ temperature rise rate then with in the stoving oven, 900 ℃ of insulations, be cooled to room temperature, wear into powder then.
Further, described step b comprises: porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1: 100～1.2: 90, the volume ratio of ethanol and porous glass ceramics material powder is 80: 1～100: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
Further, described step c comprises: beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 100: 1～150: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 10%～40% porous glass ceramics material and 60%～90% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
Further; described steps d comprises: the porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 5～10 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 10～30MPa; dwell time is 20～60min; then mould is removed to the equipment of colding pressing, naturally cool to room temperature after, the demoulding obtains substrate.
The present invention has following beneficial effect: select CaO-B for use with respect to prior art
2O
3-SiO
2Series vitro-ceramic, the specific inductivity of the porous glass ceramics material of sintering preparation can be reduced to 2～3, and loss simultaneously also reduces about 30%; And this preparation method is scientific and reasonable, simple; The low-k, the low-loss substrate that make with this porous glass ceramics material have satisfied the demand to specific inductivity and loss, can be widely used in the material field.
Description of drawings
Fig. 1 is preparation method's schematic flow sheet of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Substrate of the present invention is made by porous glass ceramics material and macromolecular material, and described porous glass ceramics material and macromolecular material are made by following weight ratio: 10%～40% porous glass ceramics material and 60%～90% macromolecular material.
Described porous glass ceramics material is made by the raw material of following weight ratio:
25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2
Described macromolecular material comprises polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, polycarbonate, urethane, tetrafluoroethylene and polyethylene terephthalate.
A kind of preparation method of substrate, as shown in Figure 1, the step of described method comprises:
A, preparation porous glass ceramics material are also worn into powder with it;
B, ground porous glass ceramics material is carried out modification;
C, with the porous glass ceramics material after the modification mix with macromolecular material and desolventizing obtain the porous glass ceramics polymer composite;
D, the porous glass ceramics polymer composite is made substrate at mould.
Described step a comprises: by weight with 25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with the temperature rise rate of 5～10 ° of C then with in the stoving oven, 900 ℃ of insulations, be cooled to room temperature, wear into powder then.
Described step b comprises: porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1: 100～1.2: 90, the volume ratio of ethanol and porous glass ceramics material powder is 80: 1～100: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
Described step c comprises: beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 100: 1～150: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 10%～40% porous glass ceramics material and 60%～90% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
Described steps d comprises: the porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 5～10 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 10～30MPa; dwell time is 20～60min; then mould is removed to the equipment of colding pressing; after naturally cooling to room temperature, the demoulding obtains substrate.
Embodiment 1
By weight with 30.1%CaO, 8.3%B
2O
3And 61.6%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with 5 ℃ temperature rise rate then with in the stoving oven, at 900 ℃ of insulation 3h, be cooled to room temperature, wear into powder then.
Porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1: 100, the volume ratio of ethanol and porous glass ceramics material powder is 80: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
Beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 100: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 10% porous glass ceramics material and 90% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
The porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 5 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 10MPa; dwell time is 60min; then mould is removed to the equipment of colding pressing; after naturally cooling to room temperature, the demoulding obtains substrate.
Through test, the specific inductivity of this substrate is 2.6, and loss reduces by 30%.
Embodiment 2
By weight with 29.3%CaO, 9.3%B
2O
3And 61.4%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with 8 ℃ temperature rise rate then with in the stoving oven, at 900 ℃ of insulation 3h, be cooled to room temperature, wear into powder then.
Porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1.1: 95, the volume ratio of ethanol and porous glass ceramics material powder is 90: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
Beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 130: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 25% porous glass ceramics material and 75% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
Described steps d comprises: the porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 8 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 20MPa; dwell time is 40min; then mould is removed to the equipment of colding pressing; after naturally cooling to room temperature, the demoulding obtains substrate.
Through test, the specific inductivity of this substrate is 2.4, and loss reduces by 37%.
Embodiment 3
By weight with 28.3%CaO, 11.4%B
2O
3And 60.3%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with 10 ℃ temperature rise rate then with in the stoving oven, at 900 ℃ of insulation 3h, be cooled to room temperature, wear into powder then.
Porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1.2: 90, the volume ratio of ethanol and porous glass ceramics material powder is 100: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
Beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 150: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 40% porous glass ceramics material and 60% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
The porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 10 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 30MPa; dwell time is 20min; then mould is removed to the equipment of colding pressing; after naturally cooling to room temperature, the demoulding obtains substrate.
Through test, the specific inductivity of this substrate is 2.5, and loss reduces by 33%.
Above-described embodiment is preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not run counter to change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. substrate, it is characterized in that, described substrate is made by porous glass ceramics material and macromolecular material, and described porous glass ceramics material and macromolecular material are made by following weight ratio: 10%～40% porous glass ceramics material and 60%～90% macromolecular material.
2. a kind of substrate according to claim 1 is characterized in that, described porous glass ceramics material is made by the raw material of following weight ratio:
25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2
3. a kind of substrate according to claim 1, it is characterized in that described macromolecular material comprises polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, polycarbonate, urethane, tetrafluoroethylene and polyethylene terephthalate.
4. the preparation method of a substrate is characterized in that, the step of described method comprises:
A, preparation porous glass ceramics material are also worn into powder with it;
B, ground porous glass ceramics material is carried out modification;
C, with the porous glass ceramics material after the modification mix with macromolecular material and desolventizing obtain the porous glass ceramics polymer composite;
D, the porous glass ceramics polymer composite is made substrate at mould.
5. the preparation method of a kind of substrate according to claim 4 is characterized in that, described step a comprises: by weight with 25.1%～33.2%CaO, 6.3%～12.1%B
2O
3With 55.4%～65.3%SiO
2Place evenly back compressing tablet of ball mill ball milling, be raised to 900 ℃ with 5～10 ℃ temperature rise rate then with in the stoving oven, 900 ℃ of insulations, be cooled to room temperature, wear into powder then.
6. the preparation method of a kind of substrate according to claim 4, it is characterized in that, described step b comprises: porous glass ceramics material powder is placed beaker, add silane coupling agent, ethanol, wherein the weight ratio of silane coupling agent porous glass ceramics material powder is 1: 100～1.2: 90, the volume ratio of ethanol and porous glass ceramics material powder is 80: 1～100: 1, obtains the porous glass ceramics material after the modification then after, the washing even, centrifugal with ultrasonic dispersing and heated and stirred.
7. the preparation method of a kind of substrate according to claim 4, it is characterized in that, described step c comprises: beaker is placed on the agitator, add toluene and macromolecular material and be heated to 100 ℃, the porous glass ceramics material that adds while stirring after the modification forms mixing solutions, wherein the volume ratio of toluene and macromolecular material is 100: 1～150: 1, the weight ratio of described porous glass ceramics material and macromolecular material is: 10%～40% porous glass ceramics material and 60%～90% macromolecular material, continue to stir, when being the thickness attitude, mixing solutions solvent evaporates to solution stops to stir, continue heating, will get the porous glass ceramics polymer composite after the remaining solvent evaporates.
8. the preparation method of a kind of substrate according to claim 4; it is characterized in that; described steps d comprises: the porous glass ceramics polymer composite is hot-forming on the mould of coating demoulding wax; hot pressing temperature is lower than 5～10 ℃ of macromolecular material viscous state temperature; hot pressing pressure is 10～30MPa, and the dwell time is 20～60min, then mould is removed to the equipment of colding pressing; after naturally cooling to room temperature, the demoulding obtains substrate.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104194236A (en) * | 2014-08-28 | 2014-12-10 | 云南云天化股份有限公司 | Acrylate-ceramic composite material and preparation method thereof, and base plate |
| CN104559106A (en) * | 2014-12-11 | 2015-04-29 | 苏州佳亿达电器有限公司 | Long-life street lamp lampshade |
| CN106800733A (en) * | 2017-01-20 | 2017-06-06 | 上海逻骅投资管理合伙企业（有限合伙） | A kind of composite microwave medium material, the substrate for printed circuit board made of it and its manufacture method |
| CN106832585A (en) * | 2017-02-09 | 2017-06-13 | 河源中光电通讯技术有限公司 | A kind of substrate and preparation method thereof, display panel, mask plate |
| CN107522997A (en) * | 2017-08-29 | 2017-12-29 | 太仓天润新材料科技有限公司 | A kind of electronic material with good dielectric properties |
| CN107586432A (en) * | 2016-07-08 | 2018-01-16 | 洛阳尖端技术研究院 | A kind of flexible Meta Materials base material and preparation method thereof |
| CN108239327A (en) * | 2018-02-28 | 2018-07-03 | 佛山慧创正元新材料科技有限公司 | The preparation method of low-dielectric loss composite elastic dielectric material |
| CN108276711A (en) * | 2018-03-08 | 2018-07-13 | 佛山慧创正元新材料科技有限公司 | The preparation method of the porous composite dielectric material of Kynoar |
| CN108384160A (en) * | 2018-02-28 | 2018-08-10 | 佛山慧创正元新材料科技有限公司 | The preparation method of high-dielectric-constant ceramics composite dielectric material |
| CN108440878A (en) * | 2017-02-16 | 2018-08-24 | 上海安缔诺科技有限公司 | A kind of composite microwave medium material and its preparation method and application |
| CN109413858A (en) * | 2018-11-09 | 2019-03-01 | 博罗康佳精密科技有限公司 | A kind of preparation method of microwave ceramics substrate |
| CN113061333A (en) * | 2020-01-02 | 2021-07-02 | 万华化学集团股份有限公司 | Low-dielectric thermoplastic polyurethane composite material and preparation method and application thereof |
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| CN104194236A (en) * | 2014-08-28 | 2014-12-10 | 云南云天化股份有限公司 | Acrylate-ceramic composite material and preparation method thereof, and base plate |
| CN104559106A (en) * | 2014-12-11 | 2015-04-29 | 苏州佳亿达电器有限公司 | Long-life street lamp lampshade |
| CN107586432A (en) * | 2016-07-08 | 2018-01-16 | 洛阳尖端技术研究院 | A kind of flexible Meta Materials base material and preparation method thereof |
| CN106800733A (en) * | 2017-01-20 | 2017-06-06 | 上海逻骅投资管理合伙企业（有限合伙） | A kind of composite microwave medium material, the substrate for printed circuit board made of it and its manufacture method |
| CN106832585A (en) * | 2017-02-09 | 2017-06-13 | 河源中光电通讯技术有限公司 | A kind of substrate and preparation method thereof, display panel, mask plate |
| CN108440878A (en) * | 2017-02-16 | 2018-08-24 | 上海安缔诺科技有限公司 | A kind of composite microwave medium material and its preparation method and application |
| CN107522997A (en) * | 2017-08-29 | 2017-12-29 | 太仓天润新材料科技有限公司 | A kind of electronic material with good dielectric properties |
| CN108239327A (en) * | 2018-02-28 | 2018-07-03 | 佛山慧创正元新材料科技有限公司 | The preparation method of low-dielectric loss composite elastic dielectric material |
| CN108384160A (en) * | 2018-02-28 | 2018-08-10 | 佛山慧创正元新材料科技有限公司 | The preparation method of high-dielectric-constant ceramics composite dielectric material |
| CN108276711A (en) * | 2018-03-08 | 2018-07-13 | 佛山慧创正元新材料科技有限公司 | The preparation method of the porous composite dielectric material of Kynoar |
| CN109413858A (en) * | 2018-11-09 | 2019-03-01 | 博罗康佳精密科技有限公司 | A kind of preparation method of microwave ceramics substrate |
| CN113061333A (en) * | 2020-01-02 | 2021-07-02 | 万华化学集团股份有限公司 | Low-dielectric thermoplastic polyurethane composite material and preparation method and application thereof |
| CN113061333B (en) * | 2020-01-02 | 2022-08-05 | 万华化学集团股份有限公司 | Low-dielectric thermoplastic polyurethane composite material and preparation method and application thereof |
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Effective date of registration: 20210420 Address after: 518057 2 / F, software building, No.9, Gaoxin Middle Road, Nanshan District, Shenzhen, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034. A, 18B, CIC international business center, 1061 Mei Xiang Road, Shenzhen, Guangdong, Futian District Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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