JP2606847B2 - High frequency window - Google Patents
High frequency windowInfo
- Publication number
- JP2606847B2 JP2606847B2 JP62178990A JP17899087A JP2606847B2 JP 2606847 B2 JP2606847 B2 JP 2606847B2 JP 62178990 A JP62178990 A JP 62178990A JP 17899087 A JP17899087 A JP 17899087A JP 2606847 B2 JP2606847 B2 JP 2606847B2
- Authority
- JP
- Japan
- Prior art keywords
- window
- flanges
- plating layer
- frequency
- frequency window
- 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 - Lifetime
Links
Landscapes
- Waveguide Connection Structure (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、高周波伝送を行なう際に使用する高周波
窓に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-frequency window used when performing high-frequency transmission.
第２図は従来の高周波窓を示す断面図であり、図にお
いて、１は加圧側の第１のフランジを示し、第１の窓Ｗ
が設けられている。２は真空側の第２のフランジを示
し、第２の窓2Wと、図示を省略した真空シール用のガス
ケツトが当接するエツジ2Eとが設けられている。３は第
1,第２のフランジ1,2を接続する銅製の円筒を示し、冷
却水が流通する周回した通路3Cが設けられ、通路3Cへ冷
却水を流入させるための継手4Iと、通路3Cから冷却水を
流出させるための継手40とが取り付けられている。５は
窓板としてのセラミツク板を示し、加圧側と真空側とを
遮断するように円筒３内に蝋付けされ、高周波を通過さ
せるものである。6Pは絶縁する目的でN2,SF6ガス等が充
填される加圧室、6Vは真空室を示す。FIG. 2 is a cross-sectional view showing a conventional high-frequency window. In the figure, reference numeral 1 denotes a first flange on a pressure side, and a first window W
Is provided. Reference numeral 2 denotes a second flange on the vacuum side, which is provided with a second window 2W and an edge 2E with which a gasket for vacuum sealing (not shown) abuts. 3 is the first
1, a copper cylinder connecting the second flanges 1 and 2 is provided with a circulating passage 3C through which cooling water flows, a joint 4I for flowing the cooling water into the passage 3C, and a cooling water through the passage 3C. And a joint 40 for allowing the water to flow out. Reference numeral 5 denotes a ceramic plate as a window plate, which is brazed in the cylinder 3 so as to cut off the pressurized side and the vacuum side, and passes a high frequency. 6P indicates a pressurized chamber filled with N 2 , SF 6 gas or the like for the purpose of insulation, and 6V indicates a vacuum chamber.
なお、第1,第２のフランジ1,2は、防錆，真空シー
ル，ガス放出を少なくする等を考慮してステンレスで構
成されている。The first and second flanges 1 and 2 are made of stainless steel in consideration of rust prevention, vacuum sealing, reduction of gas release, and the like.
次に、動作について説明する。 Next, the operation will be described.
第１のフランジ１の第１の窓1Wから入る高周波は、加
圧室6Pからセラミツク板５を通過した後に真空室6Vへ入
り、第２のフランジ２の第２の窓2Wから図示を省略した
加速器へ入る。The high frequency wave entering from the first window 1W of the first flange 1 passes through the ceramic plate 5 from the pressurizing chamber 6P, enters the vacuum chamber 6V, and is omitted from the second window 2W of the second flange 2. Enter the accelerator.
従来の高周波窓は以上のように構成されているので、
すなわち第1,第２のフランジ1,2が防錆，真空シール，
ガス放出を少なくする等を考慮して熱伝導率，導電率の
悪いステンレスで構成されているため、大電力の高周波
伝送を行なうと、発熱によつて第1,第２のフランジ1,2
に設けられている第1,第２の窓1W,2Wの寸法が変化する
とともに、伝送損失が大きくなり、安定した高周波伝送
ができなくなるという問題点があつた。Since the conventional high-frequency window is configured as described above,
That is, the first and second flanges 1 and 2 are rustproof, vacuum-sealed,
Since it is made of stainless steel with poor thermal and electrical conductivity in order to reduce outgassing, etc., when high-power high-frequency transmission is performed, the first and second flanges 1, 2
In addition, the size of the first and second windows 1W and 2W provided in the above-mentioned window changes, transmission loss increases, and stable high-frequency transmission cannot be performed.
そこで、高周波伝送を効率よく行なわせるため、第1,
第２のフランジ1,2に熱伝導率，導電率を向上させる目
的で金メツキ層または銀メツキ層を設けることが考えら
れるが、金メツキ層または銀メツキ層を設けることによ
つて高周波窓が高価になるという問題点があつた。Therefore, in order to perform high-frequency transmission efficiently,
It is conceivable to provide a gold plating layer or a silver plating layer on the second flanges 1 and 2 for the purpose of improving the thermal conductivity and the electrical conductivity. However, by providing the gold plating layer or the silver plating layer, a high-frequency window is formed. There was a problem that it became expensive.
また、第1,第２のフランジ1,2および円筒３を水素炉
中で最終的に蝋付けすると、蝋付けの過程で金，銀が蒸
発してしまうという問題点があつた。Further, when the first and second flanges 1 and 2 and the cylinder 3 are finally brazed in a hydrogen furnace, gold and silver are evaporated during the brazing process.
さらに、最終段階で金メツキまたは銀メツキを施す
と、窓板として使用しているセラミツク板５がメツキ液
に漬つてしまうという問題点があつた。Further, when gold plating or silver plating is applied in the final stage, there is a problem that the ceramic plate 5 used as a window plate is immersed in plating liquid.
この発明は、上記のような問題点を解消するためにな
されたもので、安価に構成でき、伝送損失，発熱を抑制
できるとともに、安定した大電力の高周波伝送ができる
高周波窓を得ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a high-frequency window that can be configured at a low cost, suppress transmission loss and heat generation, and perform stable high-power high-frequency transmission. And
この発明に係る高周波窓は、第1,第２のフランジの所
定部分に銅メツキ層を設けたものである。The high-frequency window according to the present invention is provided with a copper plating layer at predetermined portions of the first and second flanges.
この発明における高周波窓は、第1,第２のフランジに
銅メツキ層を設けることにより、熱伝導率，導電率の点
で第1,第２のフランジは銅で構成したものと同等に作用
する。In the high-frequency window according to the present invention, by providing a copper plating layer on the first and second flanges, the first and second flanges operate in the same manner as those made of copper in terms of thermal conductivity and electrical conductivity. .
以下、この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図（ａ），（ｂ），（ｃ）において、第２図と同
一部分には同一符号が付してあり、７は銅メツキ層を示
し、第１のフランジ１には全外表面に、第２のフランジ
２には図示を省略したガスケツトが当接するエツジ2Eの
部分を除いた外表面に、例えば２μｍ〜５μｍ程度の厚
さで設けられている。1 (a), 1 (b) and 1 (c), the same parts as those in FIG. 2 are denoted by the same reference numerals, 7 is a copper plating layer, and the first flange 1 has an entire outer surface. The second flange 2 has a thickness of, for example, about 2 .mu.m to 5 .mu.m on an outer surface excluding a portion of the edge 2E with which a gasket (not shown) abuts.
なお、エツジ2Eの部分にマスキングした状態で、無光
沢のニツケルメツキ層を設けた第1,第２のフランジ1,2
に銅メツキ層７が施される。The first and second flanges 1 and 2 provided with a matte nickel plating layer in a state where the edge 2E is masked.
Is applied with a copper plating layer 7.
次に、動作について説明する。 Next, the operation will be described.
第１のフランジ１の第１の窓1Wから入る高周波は、加
圧室6Pからセラミツク板５を通過した後に真空室6Vへ入
り、第２のフランジ２の第２の窓2Wから図示を省略した
加速器へ入る。The high frequency wave entering from the first window 1W of the first flange 1 passes through the ceramic plate 5 from the pressurizing chamber 6P, enters the vacuum chamber 6V, and is omitted from the second window 2W of the second flange 2. Enter the accelerator.
このように高周波が高周波窓を通過する場合、第1,第
２のフランジ1,2には銅メツキ層７が設けられているの
で、この銅メツキ層７によつて伝送損失，発熱が抑制で
きるため、安定した高周波伝送ができる。When the high-frequency wave passes through the high-frequency window, the copper plating layer 7 is provided on the first and second flanges 1 and 2, so that the copper plating layer 7 can suppress transmission loss and heat generation. Therefore, stable high-frequency transmission can be performed.
また、第1,第２のフランジ1,2に銅メツキ層７を設け
るのみでよいため、高周波窓が安価に構成できる。Also, since it is only necessary to provide the copper plating layer 7 on the first and second flanges 1 and 2, the high-frequency window can be configured at low cost.
さらに、第1,第２のフランジ1,2および円筒３を水素
炉中で最終的に蝋付けしても、銅は蒸発せず、銅メツキ
層７によつて蝋付け性がよくなる。Further, even when the first and second flanges 1 and 2 and the cylinder 3 are finally brazed in a hydrogen furnace, the copper does not evaporate, and the brazing property is improved by the copper plating layer 7.
なお、上記実施例では高周波窓について説明したが、
熱伝導率，導電率が劣る材質をやむなく使用する伝送回
路部品において、銅メツキを設けることが有利な伝送回
路部品に適用できることはいうまでもない。Although the high-frequency window has been described in the above embodiment,
It goes without saying that the present invention can be applied to a transmission circuit component in which it is advantageous to provide a copper plating in a transmission circuit component in which a material having inferior thermal conductivity and electrical conductivity is inevitably used.
以上のように、この発明によれば、第1,第２のフラン
ジのガスケットが当接するエッジ部分を除いた外表面に
銅メツキ層を設けたので、この銅メツキ層によつて第1,
第２のフランジは銅材で構成したように作用するため、
安価に構成でき、伝送損失，発熱が抑制できるととも
に、安定した高周波伝送ができるという優れた効果があ
る。また、ガスケットが当接するエッジ部分には銅メッ
キ層を設けないので、ガスケットによるシール性が良く
機能し、気密性を保持することができる効果がある。As described above, according to the present invention, since the copper plating layer is provided on the outer surface except for the edge portions where the gaskets of the first and second flanges abut, the first and second flanges are provided by the copper plating layer.
The second flange acts as if it were made of copper material,
It has an excellent effect that it can be configured at low cost, can suppress transmission loss and heat generation, and can perform stable high-frequency transmission. Further, since the copper plating layer is not provided on the edge portion where the gasket comes into contact, the gasket has a good sealing function and has an effect of maintaining airtightness.
第１図（ａ）〜（ｃ）はこの発明の一実施例による高周
波窓を示す断面図，底面図および平面図、第２図は従来
の高周波窓を示す断面図である。 図において、１は第１のフランジ、1Wは第１の窓、２は
第２のフランジ、2Wは第２の窓、2Eはエツジ、３は円
筒、５は窓板（セラミツク板）、７は銅メツキ層を示
す。 なお、図中、同一符号は同一、または相当部分を示す。1A to 1C are a sectional view, a bottom view and a plan view showing a high-frequency window according to an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional high-frequency window. In the figure, 1 is a first flange, 1W is a first window, 2 is a second flange, 2W is a second window, 2E is an edge, 3 is a cylinder, 5 is a window plate (ceramic plate), and 7 is 3 shows a copper plating layer. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (1)
窓板を取り付けた円筒で接続した高周波窓において、前
記第1,第２のフランジのガスケットが当接するエッジ部
分を除いた外表面に銅メッキ層を設けたことを特徴とす
る高周波窓。1. A high-frequency window in which first and second flanges provided with a window are connected by a cylinder having a window plate mounted therein, except for an edge portion of the first and second flanges where the gasket abuts. A high frequency window characterized by providing a copper plating layer on the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62178990A JP2606847B2 (en) | 1987-07-20 | 1987-07-20 | High frequency window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62178990A JP2606847B2 (en) | 1987-07-20 | 1987-07-20 | High frequency window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6423601A JPS6423601A (en) | 1989-01-26 |
| JP2606847B2 true JP2606847B2 (en) | 1997-05-07 |
Family
ID=16058186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62178990A Expired - Lifetime JP2606847B2 (en) | 1987-07-20 | 1987-07-20 | High frequency window |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2606847B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518101U (en) * | 1991-08-16 | 1993-03-05 | 三菱電機株式会社 | High frequency window |
| JP2625329B2 (en) * | 1992-09-21 | 1997-07-02 | 財団法人鉄道総合技術研究所 | Roadbed stabilization method under the track |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55115701A (en) * | 1979-02-28 | 1980-09-05 | Japan Atom Energy Res Inst | Microwave window for high electric power |
| JPS60177501U (en) * | 1984-05-02 | 1985-11-26 | 日本電気株式会社 | Joint structure between waveguide and flange, etc. |
-
1987
- 1987-07-20 JP JP62178990A patent/JP2606847B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6423601A (en) | 1989-01-26 |
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