JPS6163009A - Condenser - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to materials constituting a capacitor, particularly to an insulating film and a conductor.

[Conventional technology]

Conventionally, an oxide film, a vapor deposited film, etc. have been used as an insulating film constituting a capacitor, and a metal plate, vaporized NM, etc. have been used as a conductor.

[Problem that the invention seeks to solve]

However, in conventional capacitors, the thickness of the insulating metal is 104A.
Because it is thicker than above, it is difficult to use a large capacity capacitor.
Extremely difficult and difficult. The capacitance of a capacitor is proportional to the reciprocal of the thickness of the insulating film; the thinner the insulating film, the greater the capacitance. In some cases, it is not possible to obtain sufficient properties as an insulating film due to the effects of pinholes and impurities on the conductive parts. Desired characteristics of a capacitor include small size, large capacity, high voltage resistance, high insulation properties, and high frequency characteristics, but the insulating film of conventional capacitors has a thick film thickness and is prone to conductivity due to pinholes and impurities. It is difficult to create a product that is small, has large capacity, has high voltage resistance, and has high insulation properties.

In addition, devices that use metal plates as conductors are difficult to miniaturize, while devices that use vapor-deposited films or the like have poor manufacturing efficiency.

Therefore, in order to solve these conventional drawbacks, the present invention has the following features:
1. Thin and free of pinholes and conductive parts caused by impurities. The aim is to form a capacitor using an insulating film with a uniform thickness, and to make the capacitor smaller and more efficient to manufacture.

[Means for solving problems]

In order to solve the above problems, the present invention uses a Langmuir-Blodgett film (hereinafter referred to as LB film) as an insulating film.

[Effect]

As mentioned above, a capacitor using an IIB film as an insulating film has the ninth characteristics of LBg, such as an ultra-thin film, no pinholes, no conductive parts due to impurities, and a uniform film thickness.
The capacitor can be made small, large capacity, high withstand voltage, and highly insulating, and the conductor can be made of polymer conductor or L
If the capacitor is made of Bg, the capacitor can be made smaller and more efficient in manufacturing.

〔Example〕

Embodiments of the present invention will be described below based on the drawings. In FIG. 1, LBIQ2 (7j, for example, cadmium arachinate) is provided between conductor 1 and U 1 'O.
Further, both sides of these are covered with molding materials 3 and 3', and lead wires 4 and 41 extend from the conductors 1 and 11. FIG. 2 is a sectional view of FIG. 1.

By configuring the absolute R film with I+B films, the film thickness can be made on the order of several hundred layers, and the capacity can be increased several tens of times or more. There are no conductive parts caused by pinholes or impurities, making it a highly insulating capacitor. Also-B
The withstand voltage was improved because the thickness of the film 2 was uniform.

FIG. 8 shows another embodiment of the present invention, in which an LBgB conductor 5' is attached on a substrate 6, an LB film insulating film 7 is further attached, an LB conductor 5 is attached thereon, and a mold is applied. It is a sectional view of what provided material 3 and 81. Figure 4 shows the 8th
It is a front view of the figure.

Ninth LB whose conductor and insulating film are made of LBgrA
Since production can be carried out continuously using B production equipment, production efficiency has improved dramatically. Also, since the thickness of the conductive/body and insulating films can be made thinner, a large capacity can be achieved.
Is it possible to make it smaller for a capacitor with the same performance as fc?
t*, LBJIi is a film without pinholes or impurities,
Since the film can be made of lead with a uniform thickness, it has become possible to make a capacitor with a high breakdown voltage of 1.1 fiJLt.

t7t, it is also possible to use the I and B films for only one of the two conductors.

In FIG. 5, the conductor is composed of a polymer conductor, and the conductor is proportional, and the nl is provided between the LB film insulating film 7, the irises molecular conductor 8, and the polymer conductor 81, and the surrounding area is covered with a molding material 3. There are dogs. By using a polymeric conductor as the conductor as in this example, the -B insulating film 7 and the polymeric conductors 8 and 81 become more densely layered, the mechanical strength increases, and the insulating film The gap becomes uniform.

〔Effect of the invention〕

As described above, the present invention can provide a compact, large capacity, high withstand voltage, and highly insulating capacitor by replacing the 10 green film with an LB film.

[Brief explanation of the drawing]

Fig. 1 is a front view of the capacitor, Fig. 2 is a sectional view of Fig. 1, Fig. 8 is a sectional view of a capacitor in which the conductor and insulating film are made of LB film, and Fig. 4 is the sectional view of Fig. 8. The front view and FIG. 5 are cross-sectional views of a capacitor in which a conductor is constructed on a polymer conductor. 1 and I', conductor 26. Langmuir, Progid membrane (IIB membrane) 8 and 81. Mold material 4 and 416. Lead wire 5 machining 5' a * IIB membrane conductor 61 plate 7, LB membrane rim membrane 8 and 810. Polymer More than conductor

Claims (3)

[Claims] (1) A capacitor comprising two conductors and one or more insulating films provided between these conductors, characterized in that a Langmuir-Blodgett film is used as the insulating film. (2) The capacitor according to claim 1, wherein at least one of the conductors is made of a Langmuir-Blodgett film. (3) The capacitor according to claim 1, wherein at least one of the conductors is made of a polymer conductor.