JPS5823923B2 - High voltage capacitor - Google Patents

High voltage capacitor

Info

Publication number
JPS5823923B2
JPS5823923B2 JP50084229A JP8422975A JPS5823923B2 JP S5823923 B2 JPS5823923 B2 JP S5823923B2 JP 50084229 A JP50084229 A JP 50084229A JP 8422975 A JP8422975 A JP 8422975A JP S5823923 B2 JPS5823923 B2 JP S5823923B2
Authority
JP
Japan
Prior art keywords
electrodes
capacitor
film
electrode
voltage capacitor
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
Application number
JP50084229A
Other languages
Japanese (ja)
Other versions
JPS528462A (en
Inventor
隆志 藤田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50084229A priority Critical patent/JPS5823923B2/en
Publication of JPS528462A publication Critical patent/JPS528462A/en
Publication of JPS5823923B2 publication Critical patent/JPS5823923B2/en
Expired legal-status Critical Current

Links

Description

【発明の詳細な説明】 この発明は自己回復作用がすぐれ高耐圧のフィルムを捲
回してなる高耐圧蓄電器に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a high-voltage capacitor wound with a high-voltage film having excellent self-recovery properties.

従来高耐圧のコンデンサを作成する際にフィルムの両面
に容量結合を持つ多段の電極をもうけることは公知であ
る。
It has been known to provide multistage electrodes with capacitive coupling on both sides of a film when producing a high-voltage capacitor.

公知の構造を利用し、更に高耐圧コンデンサを得るため
の電極を均一な蒸着膜で構成することも公知であるが、
従来の構造においては外部に電気的接続をする電極と容
量を構成する電極の厚みが同一であった。
It is also known to use a known structure and to construct electrodes with a uniform vapor deposition film in order to obtain a high voltage capacitor.
In the conventional structure, the electrodes for electrical connection to the outside and the electrodes forming the capacitor had the same thickness.

しかしながら均一な蒸着膜を利用するだけでは、絶縁破
壊時の自己回復性に問題があり、余り高耐圧のコンデン
サが製作できない欠点があった。
However, if only a uniformly deposited film is used, there is a problem in self-recovery in the event of dielectric breakdown, and a drawback is that capacitors with very high breakdown voltages cannot be manufactured.

この発明は従来の欠点を除去し、自己回復作用を容易に
し信頼性を高め得る高耐圧のコンデンサ素子よりなる高
耐圧蓄電器を得ることを目的とする。
The object of the present invention is to eliminate the drawbacks of the conventional art, and to obtain a high-voltage capacitor made of a high-voltage capacitor element that can facilitate self-recovery and improve reliability.

この発明を図面に基づいて説明する。This invention will be explained based on the drawings.

第1図は1枚の帯状の誘電体フィルムの両面にコンデン
サ構造を有する電極を多段に形成した状態の断面を示す
FIG. 1 shows a cross section of a strip-shaped dielectric film in which electrodes having a capacitor structure are formed in multiple stages on both sides.

図において、1は誘電体フィルム、2および3は外部と
電気的接触を持つ電極、4および5は内部の電極の一例
をそれぞれ示す。
In the figure, 1 is a dielectric film, 2 and 3 are electrodes having electrical contact with the outside, and 4 and 5 are examples of internal electrodes, respectively.

電極3と4、並びに電極4と5でコンデンサを構成する
Electrodes 3 and 4 and electrodes 4 and 5 constitute a capacitor.

このように容量結合し、電極2,3を外部に接続すれは
これらの電極はコンデンサを直列に接続したことになる
By capacitively coupling and connecting the electrodes 2 and 3 to the outside, these electrodes are connected in series with a capacitor.

この発明においては電極2と3の電極の厚みは電極4,
5の厚みより厚く形成される。
In this invention, the thickness of electrodes 2 and 3 is
It is formed thicker than the thickness of 5.

電極2と3は外部と電気的な接触を得るため、普通金属
溶射をして、電極2,3は一定以上の厚みが必要である
In order to make electrical contact with the outside, the electrodes 2 and 3 are usually sprayed with metal, and the electrodes 2 and 3 need to have a certain thickness or more.

それ以下の電極の厚みとすると容量減少および tan
δの増加などのコンデンサとして好ましくない現象が生
じてくる。
If the electrode thickness is less than that, the capacitance will decrease and tan
Undesirable phenomena as a capacitor, such as an increase in δ, occur.

電極2,3の厚みはAtの場合シート抵抗で10Ω/c
rrL2以下であることが必要である。
The thickness of electrodes 2 and 3 is 10Ω/c in sheet resistance in the case of At.
It is necessary that it is rrL2 or less.

電極4,5の厚みは、フィルムの絶縁破壊時の自己回復
現象を考えるとなるべく薄い膜が望ましい。
The thickness of the electrodes 4 and 5 is desirably as thin as possible in consideration of the self-recovery phenomenon at the time of dielectric breakdown of the film.

膜の厚みについてはAtの場合シート抵抗で10Ω/c
IIL2以上の抵抗を持つものが適当である。
Regarding the thickness of the film, in the case of At, the sheet resistance is 10Ω/c.
A material having a resistance of IIL2 or more is suitable.

第2図は第1図で示した金属化フィルムで構成したコン
デンサの構造の一例を示す。
FIG. 2 shows an example of the structure of a capacitor constructed from the metallized film shown in FIG.

第2図で6は第1図で示した金属化フィルムと同一で、
7は電極の形成されていないフィルムで、フィルム6゜
7を重ね巻回してコンデンサを構成する。
In Figure 2, 6 is the same as the metallized film shown in Figure 1;
Reference numeral 7 denotes a film on which no electrode is formed, and a capacitor is constructed by overlapping and winding the films 6° and 7.

第3図は2枚の帯状の誘電体フィルムで構成された第1
図と同じ構造を持つ金属化フィルムである。
Figure 3 shows the first film made of two strip-shaped dielectric films.
It is a metallized film with the same structure as shown in the figure.

第3図の7と8は誘電体フィルム、9と10は外部との
電気的接触を持つ電極を示す。
In FIG. 3, 7 and 8 indicate dielectric films, and 9 and 10 indicate electrodes having electrical contact with the outside.

11゜12.13は内部電極で第1図と同様に電極9゜
10は電極11,12および13に比較して厚く形成す
る。
Reference numerals 11, 12, and 13 denote internal electrodes, and electrodes 9, 10, and 10 are formed thicker than electrodes 11, 12, and 13, as in FIG.

第3図のような場合のフィルムへの電極の構成はフィル
ム7と8を別々に蒸着などの方法によって電極を形成し
後でコンデンサ構造を持つように構成したものである。
In the structure of the electrodes on the film in the case shown in FIG. 3, electrodes are formed on the films 7 and 8 separately by a method such as vapor deposition, and then a capacitor structure is formed later.

第3図の構成による金属化フィルムも第2図と同様に、
金属化されていないフィルムを重ねて巻回しコンデンサ
が構成される。
The metallized film with the configuration shown in FIG. 3 is similar to that shown in FIG.
Wound capacitors are constructed by stacking unmetallized films.

第4図は第2図などのコンデンサ構成における巻回した
状態の斜視図を示す。
FIG. 4 shows a perspective view of the capacitor configuration as shown in FIG. 2 in a wound state.

第4図の14は第2図などのフィルム構成で巻回された
コンデンサ素子で、15.16は金属溶射して電極を外
部に取り出した所である。
Reference numeral 14 in FIG. 4 is a capacitor element wound with a film structure such as that shown in FIG. 2, and reference numerals 15 and 16 are locations where metal spraying has been performed and electrodes have been taken out to the outside.

第4図に示されるコンデンサは、第2図などで示したフ
ィルムを巻回したものであるから第4図の電極15.1
6間はコンデンサが直列に接続された状態にある。
Since the capacitor shown in FIG. 4 is wound with the film shown in FIG. 2, etc., the electrode 15.1 in FIG.
6, the capacitors are connected in series.

電極が直列に接続されていることから第4図に示される
コンデンサは単一のコンデンサ素子で高電圧を加えて使
用することが可能である。
Since the electrodes are connected in series, the capacitor shown in FIG. 4 can be used with a single capacitor element under high voltage.

この発明は前記の構成に基づいて、内部電極が、薄い電
極で構成しであるためフィルムが絶縁破壊を起しても自
己回復作用が完全に行なわれ高電圧使用時にも非常に信
頼性が向上する。
This invention is based on the above-mentioned structure, and since the internal electrode is composed of a thin electrode, even if the film suffers dielectric breakdown, the self-healing action is completely performed, and the reliability is greatly improved even when using high voltage. do.

また、蒸着で電極を形成する際に電極を厚くするか薄く
するかを制御するには、蒸着窓口を制御するだけで簡単
にでき、蒸着作業の効率も非常に良くなる、などすぐれ
た作用効果を生ずる。
In addition, when forming electrodes by vapor deposition, it is easy to control whether to make the electrodes thick or thin by simply controlling the vapor deposition window, and the efficiency of vapor deposition work is also greatly improved. will occur.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明に基づく1枚の誘電体フィルムの両面
にコンデンサ構造を構成する電極を多段に形成した断面
図、第2図は第1図の金属化フィルムと電極のないフィ
ルムで捲回するコンデンサ、第3図は2枚の誘電体フィ
ルムで第1図と同じ構造を持つ金属化フィルム、第4図
は第2図に示す誘電体フィルムなどを捲回して構成した
コンデンサの斜視図、をそれぞれ示す。 1.6,7,8・・・・・・誘電体フィルム、2,3゜
9.10・・・・・・外部接続電極、4,5,11,1
2゜13・・・・・・内部電極、14・・・・・・コン
デンサ素子、15.16・・・・・・金属溶射外部電極
Figure 1 is a cross-sectional view of a single dielectric film according to the present invention with electrodes constituting a capacitor structure formed in multiple stages on both sides, and Figure 2 is a film wound with the metallized film of Figure 1 and a film without electrodes. Fig. 3 is a metallized film with the same structure as Fig. 1 using two dielectric films, Fig. 4 is a perspective view of a capacitor constructed by winding the dielectric films shown in Fig. 2, etc. are shown respectively. 1.6,7,8...Dielectric film, 2,3゜9.10...External connection electrode, 4,5,11,1
2゜13...Internal electrode, 14...Capacitor element, 15.16...Metal sprayed external electrode.

Claims (1)

【特許請求の範囲】[Claims] 1 帯状の1枚の誘電体フィルムの両面、または帯状の
2枚の誘電体フィルムのそれぞれの一面に蒸着金属によ
り複数の電極を多段に形成し、相互に対向するよう電極
を配設して直列容量結合する1枚または2枚のコンデン
サ素子を捲回してなる蓄電器において、前記誘電体フィ
ルムの一面に設けた内側電極のシート抵抗を10Ω/口
以上とし、外部に電極を取り出す外側の電極のシート抵
抗を10Ω/口以下となるよう蒸着金属の膜厚を内側の
電極の膜厚より厚くした高耐圧蓄電器。
1 A plurality of electrodes are formed in multiple stages using vapor-deposited metal on both sides of one strip-shaped dielectric film, or on one side of each of two strip-shaped dielectric films, and the electrodes are arranged in series so as to face each other. In a capacitor formed by winding one or two capacitor elements that are capacitively coupled, the inner electrode provided on one side of the dielectric film has a sheet resistance of 10 Ω/hole or more, and the outer electrode sheet has an electrode taken out to the outside. A high-voltage capacitor in which the thickness of the vapor-deposited metal is thicker than that of the inner electrode so that the resistance is less than 10Ω/unit.
JP50084229A 1975-07-09 1975-07-09 High voltage capacitor Expired JPS5823923B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50084229A JPS5823923B2 (en) 1975-07-09 1975-07-09 High voltage capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50084229A JPS5823923B2 (en) 1975-07-09 1975-07-09 High voltage capacitor

Publications (2)

Publication Number Publication Date
JPS528462A JPS528462A (en) 1977-01-22
JPS5823923B2 true JPS5823923B2 (en) 1983-05-18

Family

ID=13824634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50084229A Expired JPS5823923B2 (en) 1975-07-09 1975-07-09 High voltage capacitor

Country Status (1)

Country Link
JP (1) JPS5823923B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312076A1 (en) * 1983-04-02 1984-10-04 O.D.A.M. - Office de Distribution d'Appareils Médicaux, Wissembourg HIGH ENERGY DENSITY CAPACITOR AND METHOD FOR PRODUCING THE SAME

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112942B2 (en) * 1971-10-12 1976-04-23

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112942U (en) * 1974-07-16 1976-01-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112942B2 (en) * 1971-10-12 1976-04-23

Also Published As

Publication number Publication date
JPS528462A (en) 1977-01-22

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