JPH03104402A - Dielectric lens antenna - Google Patents
Dielectric lens antennaInfo
- Publication number
- JPH03104402A JPH03104402A JP24268289A JP24268289A JPH03104402A JP H03104402 A JPH03104402 A JP H03104402A JP 24268289 A JP24268289 A JP 24268289A JP 24268289 A JP24268289 A JP 24268289A JP H03104402 A JPH03104402 A JP H03104402A
- Authority
- JP
- Japan
- Prior art keywords
- lens body
- main body
- lens
- matching layer
- thermoplastic resin
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 37
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 24
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 230000008602 contraction Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229920001707 polybutylene terephthalate Polymers 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、整合層を備えた誘電体レンズアンテナに関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a dielectric lens antenna equipped with a matching layer.
［従来の技術］
従来、ホーンアンテナの指向性利得を増大させるために
、第３図に示す誘電体レンズアンテナが用いられている
。この誘電体レンズアンテナは、入射面１ａと出射面ｉ
ｂの２つの面を有するレンズ本体ｌと、この本体ｌの入
射面１ａと出射面ｌｂをそれぞれ覆う整合層２ａ，２ｂ
から構或されている。一般に、誘電体レンズアンテナに
おいて、小型・軽量化のためレンズ本体ｌの厚さを薄く
した場合、該レンズ本体ｌに入射した電波が反射される
割合が高くなり、これを防止し利得を向上させるために
、レンズ本体ｌが比較的高い誘電率を有し、一方、外部
の空気とのインピーダンス整合を行うため整合層２ａ，
２ｂが比較的低い誘電率を有するように構威される。[Prior Art] Conventionally, a dielectric lens antenna shown in FIG. 3 has been used to increase the directivity gain of a horn antenna. This dielectric lens antenna has an entrance surface 1a and an exit surface i.
A lens body l having two surfaces b, and matching layers 2a and 2b covering the entrance surface 1a and the exit surface lb of this body l, respectively.
It is constructed from. Generally, in a dielectric lens antenna, when the thickness of the lens body l is made thinner in order to reduce the size and weight, the proportion of radio waves incident on the lens body l will be reflected, and this can be prevented to improve the gain. Therefore, the lens body l has a relatively high dielectric constant, while the matching layers 2a,
2b is constructed to have a relatively low dielectric constant.
この誘電体レンズアンテナは、レンズ本体ｌと、整合層
２ａ：２ｂを別々に、例えば射出成形法により或形して
合体して形成することができる。This dielectric lens antenna can be formed by separately shaping the lens body 1 and the matching layers 2a and 2b by, for example, injection molding and then combining them.
［発明が解決しようとする課題］
上述の形成方法で誘電体レンズアンテナを形或した場合
、レンズ本体ｌと、整合層２ａ，２ｂとの間に空隙が生
じ、この空隙によって伝搬損失が増大し、当該誘電体レ
ンズアンテナのアンテナ利得が低下するという問題点が
あった。[Problems to be Solved by the Invention] When a dielectric lens antenna is formed using the above-described forming method, a gap is generated between the lens body l and the matching layers 2a and 2b, and this gap increases propagation loss. However, there was a problem in that the antenna gain of the dielectric lens antenna was reduced.
本発明の目的は以上の課題を解決し、上述の従来と同様
の構造のものであっても、レンズ本体と整合層との間に
空隙が生じず、アンテナ利得が低下することを防止する
ことができる誘電体レンズアンテナを提供することにあ
る。An object of the present invention is to solve the above-mentioned problems, and to prevent a decrease in antenna gain due to the generation of a gap between the lens body and the matching layer even if the structure is similar to the conventional one described above. The purpose of the present invention is to provide a dielectric lens antenna that can perform the following functions.
［課題を解決するための手段１
本発明は、熱可塑性樹脂を含む材料を用いて形成された
レンズ本体と、上記レンズ本体の誘電率よりも低い誘電
率を有する材料を用いて形成され、上記レンズ本体の入
射面と出射面を覆う整合層とからなる誘電体レンズアン
テナにおいて、上記整合層は、上記レンズ本体の材料中
に含まれている熱可塑性樹脂と同一の熱可塑性樹脂を含
む材料を用いて、上記レンズ本体を金型内に挿入した状
態で射出成形法により形成されていることを特徴とする
。[Means for Solving the Problems 1] The present invention includes a lens body formed using a material containing a thermoplastic resin, and a material having a dielectric constant lower than that of the lens body, and In a dielectric lens antenna consisting of a matching layer covering an incident surface and an exit surface of a lens body, the matching layer is made of a material containing the same thermoplastic resin as that contained in the material of the lens body. The lens body is formed by injection molding with the lens body inserted into a mold.
上記誘電体レンズアンテナにおいて、上記レンズ本体は
熱可塑性樹脂とセラミンクスの混合材料にてなり、上記
整合層は熱可塑性樹脂とガラス繊維の混合材料にてなる
ことを特徴とする。In the dielectric lens antenna, the lens body is made of a mixed material of thermoplastic resin and ceramics, and the matching layer is made of a mixed material of thermoplastic resin and glass fiber.
［作用］
上述のように、上記整合層は、上記レンズ本体の材料中
に含まれている熱可塑性樹脂と同一の熱可塑性樹脂を含
む材料を用いて、上記レンズ本体を金型内に挿入した状
態で射出成形法により形成されているので、上記レンズ
本体と上記整合層を密着して形成することができる。従
って、上記レンズ本体と上記整合層との間に、空隙が生
じない。[Function] As described above, the matching layer is made of a material containing the same thermoplastic resin as that contained in the material of the lens body, and the lens body is inserted into a mold. Since the lens body and the matching layer are formed by injection molding, the lens body and the matching layer can be formed in close contact with each other. Therefore, no gap is created between the lens body and the matching layer.
これにより、当該誘電体レンズアンテナの伝搬損失が従
来例のように増大することはなく、アンテナ利得が低下
することはない。また、上記レンズ本体と上記整合層が
合体された誘電体レンズアンテナ全体の強度を増大させ
ることができる。As a result, the propagation loss of the dielectric lens antenna does not increase as in the conventional example, and the antenna gain does not decrease. Further, the strength of the entire dielectric lens antenna in which the lens body and the matching layer are combined can be increased.
さらに、上記レンズ本体と上記整合層の材料として、同
一の熱可塑性樹脂を用いているので、線膨張係数は同一
であり、従って、熱膨張や冷却による収縮の差によるヒ
ケやクラックが生じることはない。Furthermore, since the same thermoplastic resin is used as the material for the lens body and the matching layer, their linear expansion coefficients are the same, and therefore sink marks and cracks will not occur due to differences in thermal expansion or contraction due to cooling. do not have.
またさらに、上記誘電体レンズアンテナにおいて、上記
レンズ本体は熱可塑性樹脂と高誘電率のセラミックスの
混合材料にてなり、上記整合層は熱可塑性樹脂とガラス
繊維の混合材料にてなるので、上記レンズ本体が比較的
高い誘電率を有し、一方、上記整合層が比較的低い誘電
率を有する。Furthermore, in the dielectric lens antenna, the lens body is made of a mixed material of thermoplastic resin and high dielectric constant ceramics, and the matching layer is made of a mixed material of thermoplastic resin and glass fiber. The body has a relatively high dielectric constant while the matching layer has a relatively low dielectric constant.
これにより、当該誘電体レンズアンテナの利得を増大さ
せることができるとともに、外部の空気とのインピーダ
ンス整合を行うことができる。Thereby, the gain of the dielectric lens antenna can be increased, and impedance matching with the outside air can be performed.
［実施例］
以下、図面を参照して本発明による実施例について説明
する。[Example] Hereinafter, an example according to the present invention will be described with reference to the drawings.
第１図は本発明の一実施例である誘電体レンズアンテナ
の縦断面図である。FIG. 1 is a longitudinal sectional view of a dielectric lens antenna that is an embodiment of the present invention.
この誘電体レンズアンテナは、第１図に示すように、熱
可塑性樹脂と、例えばチタン酸カルシウム（Ｃ ａ Ｔ
ｉ ０３）などのセラミックスの粉末の混合材料で射
出戒形法により形成されるレンズ本体ｌと、上記レンズ
本体１の入出射面１ａ，ｌｂを覆うように射出成形法に
より一体的に形或され、上記レンズ本体ｌの熱可塑性樹
脂と同一の熱可塑性樹脂とガラス繊維の混合材料にてな
る整合層３ａ，３ｂからなる。ここで、レンズ本体１と
整合層３ａ．３ｂの材料に用いられる樹脂は、例えばポ
リブチレンテレフタレート（ＰＢＴ）、ボリスチレン、
ＡＥＳＩｌｌ脂、変性ポリフエニレンオキシド（変性Ｐ
ＰＯ）、ポリカーボネート（ｐ ｃ）などの熱可塑性樹
脂である。また、レンズ本体ｌの比誘電率を高くすると
ともに、その厚さを薄くするために、レンズ本体ｌに高
誘電率のセラミックスの粉末が添加されている。As shown in FIG. 1, this dielectric lens antenna is made of thermoplastic resin and, for example, calcium titanate (C a T
A lens body 1 is formed by an injection molding method using a mixed material of ceramic powder such as i03), and a lens body 1 is integrally formed by an injection molding method so as to cover the entrance and exit surfaces 1a and lb of the lens body 1. , matching layers 3a and 3b made of a mixed material of the same thermoplastic resin as the thermoplastic resin of the lens body 1 and glass fiber. Here, the lens body 1 and the matching layer 3a. Examples of the resin used for material 3b include polybutylene terephthalate (PBT), polystyrene,
AESIll fat, modified polyphenylene oxide (modified P
PO), polycarbonate (PC), and other thermoplastic resins. Further, in order to increase the dielectric constant of the lens body 1 and reduce its thickness, ceramic powder with a high dielectric constant is added to the lens body 1.
さらに、整合層３ａ，３ｂの比誘電率を小さくするとと
もに、その強度を強め、かつ線膨張率を減少させてヒケ
やクラックが生じることを防止するために、整合層３ａ
．３ｂにガラス繊維を添加している。この整合層３ａ，
３ｂにおける、ガラス繊維の含有率は好ましくはｌＯ乃
至５０ｗｔ％であって、より好ましくは３０ｗｔ％であ
る。ここで、ガラス繊維の含有率がｌｏｗｔ％未満では
、意図する強度が得られず、一方、５０ｗｔ％を越える
場合は、整合層３ａ，３ｂの戊形性及び密着性が低下す
る。Furthermore, in order to reduce the relative permittivity of the matching layers 3a and 3b, increase their strength, and reduce their linear expansion coefficients to prevent sink marks and cracks, the matching layers 3a and 3b are
．． Glass fiber is added to 3b. This matching layer 3a,
The content of glass fiber in 3b is preferably 10 to 50 wt%, more preferably 30 wt%. Here, if the glass fiber content is less than lowt%, the intended strength cannot be obtained, while if it exceeds 50wt%, the shapeability and adhesion of the matching layers 3a, 3b are reduced.
第２図（Ａ）、（Ｂ）及び（Ｃ）は第１図の誘電体レン
ズアンテナの製造工程を示す縦断面図であり、以下、射
出成形法によるこの誘電体レンズアンテナの製造工程に
ついて説明する。FIGS. 2(A), (B), and (C) are longitudinal cross-sectional views showing the manufacturing process of the dielectric lens antenna shown in FIG. 1. The manufacturing process of this dielectric lens antenna using the injection molding method will be explained below. do.
まず、第２図（Ａ）に示すように、下側金型ｌＯに上側
金型１１を嵌合させた後、上側金型１ｌの上部に形成さ
れた樹脂注入口Ｇｌから、レンズ本体ｌの材料である液
状の樹脂とセラミックスの混合材料を注入した後冷却し
て、レンズ本体ｌを形或する。この後、上側金型１１を
取り外す。First, as shown in FIG. 2(A), after fitting the upper mold 11 into the lower mold lO, the lens body l is inserted through the resin injection port Gl formed in the upper part of the upper mold 1l. A mixed material of liquid resin and ceramics is injected and then cooled to form the lens body l. After this, the upper mold 11 is removed.
次イテ、第２図（Ｂ）に示すように、レンズ本体ｌが載
置された下側金型ｌＯに上側金型ｌ２を嵌合して、レン
ズ本体ｌの一方の面１ａと上側金型１２によりなる射出
空間を形成した後、上側金型ｌ２の上部に形或された樹
脂注入口Ｇ２から、整合層３ａの材料である液状の樹脂
とガラス繊維の混合材料を注入した後冷却して、レンズ
本体１の一方の面ｌａ上に整合層３ａを戊形する。ここ
で、この注入した液状の樹脂の温度が高く、また、注入
した樹脂はレンズ本体ｌと同一の樹脂材料であるので、
レンズ本体１の面１ａの表面が溶融して整合層３ａと密
着して戊形される。従って、合体された上記レンズ本体
ｌと整合層３ａが得られる。Next, as shown in FIG. 2(B), the upper mold l2 is fitted to the lower mold lO on which the lens body l is placed, and one surface 1a of the lens body l and the upper mold After forming an injection space consisting of 12, a mixed material of liquid resin and glass fiber, which is the material of the matching layer 3a, is injected from the resin injection port G2 formed in the upper part of the upper mold 12, and then cooled. , a matching layer 3a is formed on one surface la of the lens body 1. Here, since the temperature of this injected liquid resin is high and the injected resin is the same resin material as the lens body l,
The surface of the surface 1a of the lens body 1 is melted and is shaped into close contact with the matching layer 3a. Therefore, the lens body 1 and the matching layer 3a that are combined are obtained.
さらに、第２図（Ｃ）に示すように、下側金型１３に上
記合体されたレンズ本体ｌと整合層３ａを載置し、下側
金型ｌ３に上側金型ｌ２を嵌合して、レンズ本体ｌの他
方の面１ｂと上側金型１２によりなる射出空間を形或し
た後、上側金型ｌ２の上部に形威された樹脂注入口Ｇ２
から、整合層３ｂの材料である液状の樹脂とガラス繊維
の混合材料を注入した後冷却して、レンズ本体ｌの他方
の面ｌｂ上に整合層３ｂを成形する。ここで、この注入
した液状の樹脂の温度が高く、また、注入した樹脂はレ
ンズ本体ｌと同一の樹脂材料であるので、レンズ本体１
の面１ｂの表面が溶融して整合層３ｂと密着して或形さ
れる。従って、レンズ本体ｌと整合層３ａ．３ｂが合体
して構戊された誘電体レンズアンテナが得られる。Furthermore, as shown in FIG. 2(C), the combined lens body l and matching layer 3a are placed on the lower mold 13, and the upper mold l2 is fitted into the lower mold l3. After forming the injection space formed by the other surface 1b of the lens body l and the upper mold 12, a resin injection port G2 is formed in the upper part of the upper mold l2.
Then, a mixed material of liquid resin and glass fiber, which is the material of the matching layer 3b, is injected and then cooled to form the matching layer 3b on the other surface lb of the lens body 1. Here, since the temperature of the injected liquid resin is high and the injected resin is the same resin material as the lens body 1, the lens body 1
The surface of the surface 1b is melted and brought into close contact with the matching layer 3b to form a certain shape. Therefore, the lens body l and the matching layer 3a. 3b are combined to obtain a structured dielectric lens antenna.
以上のように形或された誘電体レンズアンテナにおいて
、レンズ本体ｌと整合層３ａ，３ｂが密着して形成する
ことができるので、空隙が生じず、従って、伝搬損失が
増大せず、アンテナ利得が低下することはない。また、
レンズ本体ｌと整合層３ａ，３ｂが合体された誘電体レ
ンズアンテナ全体の強度を増大させることができる。さ
らに、レンズ本体ｌと整合層３ａ，３ｂの材料として、
添加物は異なるが同一の樹脂を用いているので、線膨張
係数はほぼ同一であり、従って、熱膨張や冷却による収
縮の差によるヒケやクラックが生じることはない。In the dielectric lens antenna shaped as described above, since the lens body l and the matching layers 3a and 3b can be formed in close contact with each other, no air gap is generated, and therefore, propagation loss does not increase and the antenna gain can be increased. will not decrease. Also,
The strength of the entire dielectric lens antenna in which the lens body 1 and the matching layers 3a and 3b are combined can be increased. Furthermore, as materials for the lens body l and matching layers 3a and 3b,
Since the same resin is used, although the additives are different, the coefficient of linear expansion is almost the same, and therefore no sink marks or cracks occur due to differences in thermal expansion or contraction due to cooling.
第４図は発明者が試作した第１図の構造を有する誘電体
レンズアンテナの開口効率の周波数特性を示すグラフで
ある。ここで、試作した誘電体レンズアンテナのレンズ
本体ｌの直径は３０ｃｍであり、該レンズ本体１は、含
有率５３ｗｔ％のＰＢＴと、含有率４７ｗｔ％のチタン
酸カルシウムからなり、比誘電率ｔｒ″ｑ９．６とＱ＃
ｌ４０を有している。また、整合層３ａ，３ｂは、含有
率９０ｗｔ％のＰＢＴと、含有率１０ｗｔ％のガラス繊
維からなり、比誘電率εｒ＝３．１とＱ＝１４０を有し
ている。FIG. 4 is a graph showing the frequency characteristics of the aperture efficiency of a dielectric lens antenna having the structure shown in FIG. 1, which was prototyped by the inventor. Here, the diameter of the lens body l of the prototype dielectric lens antenna is 30 cm, and the lens body 1 is made of PBT with a content rate of 53 wt% and calcium titanate with a content rate of 47 wt%, and has a relative dielectric constant tr'' q9.6 and Q#
It has l40. Further, the matching layers 3a and 3b are made of PBT with a content of 90 wt% and glass fiber with a content of 10 wt%, and have a relative dielectric constant εr=3.1 and Q=140.
第４図に示すように、試作した誘電体レンズアンテナに
おいて、１１．７ＧＨｚから１２．２ＧＨｚまでの周波
数で概ね５０％の開口効率を得ることができ、十分に実
用に使用できることが実証された。As shown in FIG. 4, in the prototype dielectric lens antenna, it was possible to obtain an aperture efficiency of approximately 50% at frequencies from 11.7 GHz to 12.2 GHz, and it was demonstrated that it can be used for practical purposes.
［発明の効果］
以上詳述したように本発明によれば、誘電体レンズアン
テナにおいて、整合層を、レンズ本体の材料中に含まれ
ている熱可塑性樹脂と同一の熱可塑性樹脂を含む材料を
用いて、上記レンズ本体を金型内に挿入した状態で射出
戒形法により形或したので、上記レンズ本体と上記整合
層を密着して形或することができ、上記レンズ本体と上
記整合層との間に、空隙が生じない。従って、当該誘電
体レンズアンテナの伝搬損失が従来例のように増大する
ことはなく、アンテナ利得が低下することはない。また
、上記レンズ本体と上記整合層が合体された誘電体レン
ズアンテナ全体の強度を増大させることができる。さら
に、上記レンズ本体と上記整合層の材料として、同一の
熱可塑性樹脂を用いているので、線膨張係数は同一であ
り、従って、熱膨張や冷却による収縮の差によるヒケや
クラックが生じることはない。[Effects of the Invention] As detailed above, according to the present invention, in the dielectric lens antenna, the matching layer is made of a material containing the same thermoplastic resin as that contained in the material of the lens body. Since the lens body was formed using the injection molding method with the lens body inserted into the mold, the lens body and the matching layer could be formed in close contact with each other. There is no gap between the two. Therefore, the propagation loss of the dielectric lens antenna does not increase as in the conventional example, and the antenna gain does not decrease. Further, the strength of the entire dielectric lens antenna in which the lens body and the matching layer are combined can be increased. Furthermore, since the same thermoplastic resin is used as the material for the lens body and the matching layer, their linear expansion coefficients are the same, and therefore sink marks and cracks will not occur due to differences in thermal expansion or contraction due to cooling. do not have.
またさらに、上記誘電体レンズアンテナにおいて、上記
レンズ本体は熱可塑性樹脂とセラミックスの混合材料に
てなり、上記整合層は熱可塑性樹脂とガラス繊維の混合
材料にてなるので、上記レンズ本体が比較的高い誘電率
を有し、一方、上記整合層が比較的低い誘電率を有する
。これにより、当該誘電体レンズアンテナの利得を増大
させることができるとともに、外部の空気とのインピー
ダンス整合を行うことができるという利点がある。Furthermore, in the dielectric lens antenna, the lens body is made of a mixed material of thermoplastic resin and ceramics, and the matching layer is made of a mixed material of thermoplastic resin and glass fiber. It has a high dielectric constant while the matching layer has a relatively low dielectric constant. This has the advantage that the gain of the dielectric lens antenna can be increased and impedance matching with the outside air can be performed.
【図面の簡単な説明】
第１図は本発明の一実施例である整合層を備えた誘電体
レンズアンテナの縦断面図、
第２図（Ａ）、（Ｂ）及び（Ｃ）は第１図の誘電体レン
ズアンテナの製造工程を示す縦断面図、第３図は従来の
整合層を備えた誘電体レンズアンテナの縦断面図、
第４図は発明者が試作した誘電体レンズアンテナの開口
効率の周波数特性を示すグラフである。
１・・・レンズ本体、
３ａ，３ｂ・・・整合層。[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a vertical cross-sectional view of a dielectric lens antenna equipped with a matching layer, which is an embodiment of the present invention. Figure 3 is a vertical cross-sectional view of a dielectric lens antenna with a conventional matching layer; Figure 4 is an aperture of a dielectric lens antenna prototyped by the inventor. It is a graph showing frequency characteristics of efficiency. 1... Lens body, 3a, 3b... Matching layer.
Claims (2)
ズ本体と、 上記レンズ本体の誘電率よりも低い誘電率を有する材料
を用いて形成され、上記レンズ本体の入射面と出射面を
覆う整合層とからなる誘電体レンズアンテナにおいて、 上記整合層は、上記レンズ本体の材料中に含まれている
熱可塑性樹脂と同一の熱可塑性樹脂を含む材料を用いて
、上記レンズ本体を金型内に挿入した状態で射出成形法
により形成されていることを特徴とする誘電体レンズア
ンテナ。(1) A lens body formed using a material containing thermoplastic resin; A lens body formed using a material having a dielectric constant lower than that of the lens body, and covering the entrance surface and exit surface of the lens body. In a dielectric lens antenna comprising a matching layer, the matching layer is made of a material containing the same thermoplastic resin as that contained in the material of the lens body, and the lens body is molded into a mold. A dielectric lens antenna characterized in that it is formed by an injection molding method while being inserted into a dielectric lens antenna.
混合材料にてなり、上記整合層は熱可塑性樹脂とガラス
繊維の混合材料にてなることを特徴とする請求項１に記
載の誘電体レンズアンテナ。(2) The dielectric lens antenna according to claim 1, wherein the lens body is made of a mixed material of thermoplastic resin and ceramics, and the matching layer is made of a mixed material of thermoplastic resin and glass fiber. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1242682A JPH0824246B2 (en) | 1989-09-19 | 1989-09-19 | Dielectric lens antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1242682A JPH0824246B2 (en) | 1989-09-19 | 1989-09-19 | Dielectric lens antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03104402A true JPH03104402A (en) | 1991-05-01 |
| JPH0824246B2 JPH0824246B2 (en) | 1996-03-06 |
Family
ID=17092666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1242682A Expired - Fee Related JPH0824246B2 (en) | 1989-09-19 | 1989-09-19 | Dielectric lens antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824246B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH066128A (en) * | 1992-06-19 | 1994-01-14 | Murata Mfg Co Ltd | Dielectric lens antenna and manufacture thereof |
| JPH066126A (en) * | 1992-06-19 | 1994-01-14 | Murata Mfg Co Ltd | Manufacture of thick resin lens antenna |
| JPH08186434A (en) * | 1994-12-28 | 1996-07-16 | Murata Mfg Co Ltd | Manufacture of dielectric lens for antenna |
| US6592788B1 (en) | 1993-06-30 | 2003-07-15 | Murata Manufacturing Co., Ltd. | Method of manufacturing a dielectric lens for an antenna |
| WO2005013420A1 (en) * | 2003-07-31 | 2005-02-10 | Sumitomo Electric Industries, Ltd. | Luneberg lens and antenna device using the same |
| KR100522023B1 (en) * | 2001-07-04 | 2005-10-18 | 가부시키가이샤 무라타 세이사쿠쇼 | Lens antenna |
| US7301504B2 (en) | 2004-07-14 | 2007-11-27 | Ems Technologies, Inc. | Mechanical scanning feed assembly for a spherical lens antenna |
| JP2008097912A (en) * | 2006-10-10 | 2008-04-24 | Stanley Electric Co Ltd | Projection lens for vehicle headlight which uses semiconductor light-emitting element as light source |
-
1989
- 1989-09-19 JP JP1242682A patent/JPH0824246B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH066128A (en) * | 1992-06-19 | 1994-01-14 | Murata Mfg Co Ltd | Dielectric lens antenna and manufacture thereof |
| JPH066126A (en) * | 1992-06-19 | 1994-01-14 | Murata Mfg Co Ltd | Manufacture of thick resin lens antenna |
| US6592788B1 (en) | 1993-06-30 | 2003-07-15 | Murata Manufacturing Co., Ltd. | Method of manufacturing a dielectric lens for an antenna |
| JPH08186434A (en) * | 1994-12-28 | 1996-07-16 | Murata Mfg Co Ltd | Manufacture of dielectric lens for antenna |
| KR100522023B1 (en) * | 2001-07-04 | 2005-10-18 | 가부시키가이샤 무라타 세이사쿠쇼 | Lens antenna |
| WO2005013420A1 (en) * | 2003-07-31 | 2005-02-10 | Sumitomo Electric Industries, Ltd. | Luneberg lens and antenna device using the same |
| US7301504B2 (en) | 2004-07-14 | 2007-11-27 | Ems Technologies, Inc. | Mechanical scanning feed assembly for a spherical lens antenna |
| JP2008097912A (en) * | 2006-10-10 | 2008-04-24 | Stanley Electric Co Ltd | Projection lens for vehicle headlight which uses semiconductor light-emitting element as light source |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0824246B2 (en) | 1996-03-06 |
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|---|---|---|---|
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