CN110739529A - 一种新型陶瓷天线及其制备方法 - Google Patents

一种新型陶瓷天线及其制备方法 Download PDF

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CN110739529A
CN110739529A CN201910940594.7A CN201910940594A CN110739529A CN 110739529 A CN110739529 A CN 110739529A CN 201910940594 A CN201910940594 A CN 201910940594A CN 110739529 A CN110739529 A CN 110739529A
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ceramic
antenna
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ceramic antenna
novel ceramic
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田德辉
张喜东
郑鹏飞
朱文豪
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Wuxi Huihong Electronic Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • 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
    • 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
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Waveguide Aerials (AREA)

Abstract

本发明提供一种新型陶瓷天线及其制备方法，其涉及陶瓷天线领域，旨在解决一般常用的微波介质陶瓷材料烧结温度窗口过窄导致化学结构不稳定难以获得高性能的陶瓷材料的问题。所述新型陶瓷天线的结构为方形，所述新型陶瓷天线的材质为高介电常数微波陶瓷，所述陶瓷天线具有圆极化，所述新型陶瓷天线中间设有穿孔且孔径与馈针相匹配，所述新型陶瓷天线的50欧姆阻抗与中间的天线孔相匹配，所述高介电常数微波陶瓷的介电常数范围在160‑2000之间且温度漂移系数在300ppm以下。

Description

一种新型陶瓷天线及其制备方法
技术领域
本发明涉及新型陶瓷天线领域，具体涉及一种新型陶瓷天线及其制备方法。
背景技术
现有技术中一般GPS/北斗陶瓷天线技术—GPS的陶瓷块状天线已经规模应用在车载导航定位的系统中，但手机中的应用难以开展在于难以制备出超小尺寸的陶瓷天线产品，本发明在于制备高介电常数、高Q值以及低介电常数温度漂移系数的微波介质陶瓷材料，并将此微波介质陶瓷材料应用于陶瓷天线上来。微波陶瓷材料技术--微波介质陶瓷材料BaSrTiO3具有优异的介电性能，尤其是高的Qf值，其主要应用于微波高频段领域。但是，微波介质陶瓷材料BaSrTiO3的烧结温度窗口过窄，导致难以控制其化学组成，以及温度稳定性，从而难以获得高性能的陶瓷材料。通过参杂，可明显改善材料的温漂特性。
因此，本发明为应用微波介质陶瓷材料制备超小尺寸GPS或北斗天线的一种结构，需要一种具有合适的介电常数、高Q值的微波介电陶瓷材料，使得其在移动电话等应用具有更好的性能，满足当前定位导航发展的需求。
发明内容
本发明提供一种新型陶瓷天线及其制备方法，以解决现有技术存在的一般常用的微波介质陶瓷材料烧结温度窗口过窄导致化学结构不稳定难以获得高性能的陶瓷材料的问题。
为解决上述技术问题，本发明提供一种新型陶瓷天线，其特征在于，所述新型陶瓷天线的结构为方形，所述新型陶瓷天线的材质为高介电常数微波陶瓷，所述陶瓷天线具有圆极化。
优选的，所述新型陶瓷天线中间设有穿孔且孔径与馈针相匹配，所述新型陶瓷天线的50欧姆阻抗与中间的天线孔相匹配。
优选的，所述高介电常数微波陶瓷的介电常数范围在160-2000之间且温度漂移系数在300ppm以下。
优选的，所述将所需要加工的原料混合在一起且球磨8-20小时再烘干；讲烘干的原料在1000-1200℃下进行预煅烧处理再将煅烧后的粉料随炉冷却；将冷却后的粉料进行二次球磨后烘干；将二次烘干后的粉料加入粘结剂再进行研磨造粒压片成型；将成型的生胚以每分钟3-5℃的升温速率在1320-1460℃的温度范围下，再经8-16小时保温烧结成陶瓷体，最后随炉冷却。
优选的，所述将烧制好的陶瓷片两面分别丝印上银浆辐射电极以及电极，所述已经安装好银浆辐射电极和电极的陶瓷片进行高温烧结使得银层结在陶瓷片上。
优选的，所述带有银层的陶瓷片通过回流焊接的方法将馈针焊接组装在陶瓷天线上。
本发明带来的有益效果：
(1)本发明能够加工出化学性能稳定的高质量陶瓷片；
(2)本发明降低生产成本延长了陶瓷片的使用寿命。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，以下结合具体实施例，对本发明作进一步地详细说明。
本发明实施提供了一种新型陶瓷天线，其特征在于，所述新型陶瓷天线的结构为方形，所述新型陶瓷天线的材质为高介电常数微波陶瓷，所述陶瓷天线具有圆极化。
进一步来说，所述新型陶瓷天线中间设有穿孔且孔径与馈针相匹配，所述新型陶瓷天线的50欧姆阻抗与中间的天线孔相匹配。
进一步来说，所述高介电常数微波陶瓷的介电常数范围在160-2000之间且温度漂移系数在300ppm以下。
进一步来说，所述将所需要加工的原料混合在一起且球磨8-20小时再烘干；讲烘干的原料在1000-1200℃下进行预煅烧处理再将煅烧后的粉料随炉冷却；将冷却后的粉料进行二次球磨后烘干；将二次烘干后的粉料加入粘结剂再进行研磨造粒压片成型；将成型的生胚以每分钟3-5℃的升温速率在1320-1460℃的温度范围下，再经8-16小时保温烧结成陶瓷体，最后随炉冷却。
进一步来说，所述将烧制好的陶瓷片两面分别丝印上银浆辐射电极以及电极，所述已经安装好银浆辐射电极和电极的陶瓷片进行高温烧结使得银层结在陶瓷片上。
进一步来说，所述带有银层的陶瓷片通过回流焊接的方法将馈针焊接组装在陶瓷天线上。
综上所述，本发明能够加工出化学性能稳定的高质量陶瓷片，降低生产成本延长了陶瓷片的使用寿命。
需要注意的是，本发明中使用的多种标准件均是可以从市场上得到的，非标准件则是可以特别定制，本发明所采用的连接方式比如螺栓连接、焊接等也是机械领域中非常常见的手段，发明人在此不再赘述。
以上所述仅为本发明的实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围。

Claims (6)

1.一种新型陶瓷天线，其特征在于，所述新型陶瓷天线的结构为方形，所述新型陶瓷天线的材质为高介电常数微波陶瓷，所述陶瓷天线具有圆极化。
2.如权利要求1所述新型陶瓷天线，其特征在于，所述新型陶瓷天线中间设有穿孔且孔径与馈针相匹配，所述新型陶瓷天线的50欧姆阻抗与中间的天线孔相匹配。
3.如权利要求1所述新型陶瓷天线，其特征在于，所述高介电常数微波陶瓷的介电常数范围在160-2000之间且温度漂移系数在300ppm以下。
4.如权利要求1所述新型陶瓷天线的制备方法，其特征在于，所述将所需要加工的原料混合在一起且球磨8-20小时再烘干；讲烘干的原料在1000-1200℃下进行预煅烧处理再将煅烧后的粉料随炉冷却；将冷却后的粉料进行二次球磨后烘干；将二次烘干后的粉料加入粘结剂再进行研磨造粒压片成型；将成型的生胚以每分钟3-5℃的升温速率在1320-1460℃的温度范围下，再经8-16小时保温烧结成陶瓷体，最后随炉冷却。
5.如权利要求4所述新型陶瓷天线的制备方法，其特征在于，所述将烧制好的陶瓷片两面分别丝印上银浆辐射电极以及电极，所述已经安装好银浆辐射电极和电极的陶瓷片进行高温烧结使得银层结在陶瓷片上。
6.如权利要求5所述新型陶瓷天线，其特征在于，所述带有银层的陶瓷片通过回流焊接的方法将馈针焊接组装在陶瓷天线上。
CN201910940594.7A 2019-09-30 2019-09-30 一种新型陶瓷天线及其制备方法 Pending CN110739529A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1232801A (zh) * 1998-04-19 1999-10-27 浙江大学 高介电常数微波介质陶瓷及其制备方法
CN101863655A (zh) * 2010-06-08 2010-10-20 杭州电子科技大学 一种微波介质陶瓷材料及其制备方法
CN106654549A (zh) * 2016-11-01 2017-05-10 安徽四创电子股份有限公司 一种小型化三频双圆极化天线
CN108083797A (zh) * 2018-01-24 2018-05-29 贵州理工学院 高机械品质因数锆钛酸钡钙基陶瓷及其低温烧结制备方法
US10020560B1 (en) * 2017-01-08 2018-07-10 Cirocomm Technology Corp. Stacked circularly polarized antenna structure
DE102017100970A1 (de) * 2017-01-19 2018-07-19 Cirocomm Technology Corp. Zirkular polarisierte Antenne mit geschichteter Struktur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1232801A (zh) * 1998-04-19 1999-10-27 浙江大学 高介电常数微波介质陶瓷及其制备方法
CN101863655A (zh) * 2010-06-08 2010-10-20 杭州电子科技大学 一种微波介质陶瓷材料及其制备方法
CN106654549A (zh) * 2016-11-01 2017-05-10 安徽四创电子股份有限公司 一种小型化三频双圆极化天线
US10020560B1 (en) * 2017-01-08 2018-07-10 Cirocomm Technology Corp. Stacked circularly polarized antenna structure
DE102017100970A1 (de) * 2017-01-19 2018-07-19 Cirocomm Technology Corp. Zirkular polarisierte Antenne mit geschichteter Struktur
CN108083797A (zh) * 2018-01-24 2018-05-29 贵州理工学院 高机械品质因数锆钛酸钡钙基陶瓷及其低温烧结制备方法

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