JPH035082B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for manufacturing an ultra-high-speed distributed constant electromagnetic delay line with a rise time of 1 ns or less, and particularly relates to a method for manufacturing a space-wound conductor line in the form of a single-layer solenoid. This invention relates to a method of manufacturing a distributed constant electromagnetic delay line in which ground electrodes are opposed to each other with a dielectric interposed therebetween.

[Conventional technology]

As this type of distributed constant electromagnetic delay line, the fifth
As shown in the figure, a flat and elongated bobbin 5 is formed by forming a dielectric material 3 on the outer periphery of an elongated plate-shaped ground electrode 1.
In the same way as when forming a coil by winding the conductor wire in a single-layer solenoid shape around the outer circumference of the conductor line 7,
There is a configuration in which the coil is space-wound in a single-layer solenoid shape while being inclined with respect to the axial direction CC of the bobbin 5.

As a method for manufacturing such a distributed constant type electromagnetic delay line, for example, as shown in FIG. Using the conductor frame 9,
The conductor frame 9 is thermocompression bonded to the outer periphery of the bobbin 5, the frame portion is removed, and then adjacent unit conductor lines 8 are successively connected in series.

In FIG. 5, reference numeral 11 indicates a connecting portion in which adjacent unit conductive lines 8 are connected in series by soldering.

However, when manufacturing a distributed constant electromagnetic delay line using the conductor frame 9 in this way, the unit conductor line 8 of the conductor frame 9 is an inclined part with a length of one turn, so the width direction dimension is In order to manufacture a distributed constant electromagnetic delay line using bobbins 5 with different widths W, a unit conducting line 8 corresponding to the width dimension W of the bobbin 5 is manufactured.
It is necessary to prepare a conductor frame 9 having the following characteristics.

Furthermore, in general, it is common practice to prepare multiple types of electromagnetic delay lines with different delay times, and to use the one with the delay time necessary for the purpose in combination with an IC.

Therefore, in the distributed constant electromagnetic delay line having the above-mentioned configuration, providing a wide variety of delay times can be achieved by changing the dimensions of the bobbin 5 and the conductor frame 9, but by changing the width dimension of the bobbin 5. In this case, it is necessary to prepare a plurality of types of conductor frames 9 to match the bobbin 5, which makes it difficult to standardize the conductor frames 9, which makes management complicated and increases costs.

[Problem that the invention seeks to solve]

The present invention was made under these circumstances, and provides a method for manufacturing a distributed constant electromagnetic delay line, which makes it easy to standardize conductor frames, simplify manufacturing management, and easily reduce costs. It provides:

[Means for solving problems]

In order to achieve this object, the present invention uses a plurality of unit conducting lines which are arranged in a plane at equal intervals with an interval of one pitch, and are sequentially shifted in the same direction by one pitch in the middle, and are separated from a dielectric material. Each unit conducting line is attached to the outer periphery of a long and slender bobbin so as to be orthogonal to the axial direction of this bobbin, and the unit conducting lines are connected in series, and the conducting line is space-wound around the outer periphery of the bobbin in the shape of a single layer solenoid. It forms the

[Effect]

According to the means of the present invention, since a plurality of linear unit conductive lines are used which are shifted by one pitch in the middle, each unit conductive line attached to the outer periphery of the bobbin is connected to the adjacent unit conductive line at any position. This allows adjacent conductive lines to be connected in series even if the unit conductive line is cut at any point regardless of the width of the bobbin.

〔Example〕

Examples of the present invention will be described below.

1 and 2 are a front view and a side view showing a distributed constant type electromagnetic delay line manufactured by the manufacturing method of the present invention, and FIGS. 3 and 4 are a distributed constant type electromagnetic delay line according to the present invention. 1 is a plan view and a side view showing an example of a method for manufacturing an electromagnetic delay line, and for convenience, the explanation will be given from FIG. 1 and FIG. 2. FIG.

In FIGS. 1 and 2, the flat and elongated bobbin 13 is constructed by forming a dielectric material 17 on the outer periphery of an elongated plate-shaped ground electrode 15. The conductive line 19 is space-wound in the form of a single-layer solenoid to constitute a distributed constant electromagnetic delay line.

This conductor line 19 is a conductor line that is arranged at equal intervals by one pitch and is made up of almost straight parts, and has a unit conductor line 20 for one turn that is shifted by one pitch due to an inclined part 21 in the middle. The bobbin 1 is perpendicular to the axial direction C-C of the bobbin 13.
3, and adjacent unit conductive lines 20 are sequentially soldered in series and space-wound in a single-layer solenoid shape.

Note that the reference numeral 23 is a connection portion to which the unit conductive line 20 is soldered, and the reference numeral 25 is an input/output lead portion.

Such a distributed constant electromagnetic delay line is manufactured as shown in FIGS. 3 and 4.

In other words, it is mostly a straight part with an inclined part 2 in the middle.
A conductor frame 27 is prepared in which unit conductor lines 20 for one turn, each of which is shifted by one pitch, are spaced apart by one pitch and formed in a planar manner at regular intervals.

Thereafter, a portion of each unit conductive line 20 of the conductor frame 27 is thermocompression bonded to one main surface of the bobbin 13 so that the unit conductive line 20 is orthogonal to the axial direction CC of the bobbin 13.

Furthermore, the remaining portion of each unit conductive line 20 is folded back and thermocompression bonded to the other main surface of the bobbin 13, and the adjacent unit conductive line 20 is folded back at one end of the bobbin 13.
After overlapping and soldering 0 in sequence, conductor frame 2
Cut the frame section 7 (see Figures 1 and 2).

Then, the connecting portions 23 of the adjacent unit conductive lines 20, that is, the ends of the adjacent unit conductive lines 20 are sequentially connected in series to form a space-wound conductive line 19 in the shape of a single-layer solenoid.

In such a method for manufacturing a distributed constant type electromagnetic delay line, if the conductor frame 27 is attached to the bobbin 13, adjacent unit conductive lines 20 overlap at most positions, so it is difficult to cut the unit conductive lines 20 at any position. Adjacent unit conductive lines 20 can be successively connected in series, and a space-wound conductive line 19 can be formed in the shape of a single-layer solenoid.

Note that the length of one turn of the above-mentioned unit conductive line 20 may be determined in accordance with the widest bobbin 5.

Although the length of the inclined portion 21 formed in the unit conducting line 20 is relatively arbitrary, it is preferable that it is not too long, and it is not necessarily necessary to make it inclined. for example,
It may be a bent portion, and in short, any pattern that shifts by one pitch is sufficient.

In addition to soldering, crimping or the like can be used as the connecting portion 23 of adjacent unit conductive lines 20, and the end of one unit conductive line 20 can be connected to the adjacent unit conductive line 20.
This can also be done by folding and overlapping the ends of the

The ground electrode 15 is not necessarily limited to the configuration in which it is formed in the bobbin 13 and faces the conductive line 19, but may be configured to face the outer periphery of the conductive line 19 with a dielectric interposed therebetween.

〔Effect of the invention〕

As explained above, in the present invention, a plurality of unit conducting lines, each of which is sequentially shifted in the same direction by one pitch along the way, are attached so as to be orthogonal to the axial direction of the bobbin.
Adjacent unit conductor lines are connected in series to form a single-layer solenoid-like conductor line, so if the length of each unit conductor line is shortened by one pitch and most of the unit conductor lines are formed by straight sections, the width of the bobbin can be reduced. Even if the dimensions vary, the same conductor frame can be used to form a space-wound conductor path in the form of a single-layer solenoid.

Therefore, the components of the distributed electromagnetic delay line,
In particular, the conductor frame having unit conductive lines is standardized, making manufacturing management easier and reducing costs.

[Brief explanation of the drawing]

1 and 2 are front and side views showing an example of a distributed constant electromagnetic delay line manufactured according to the present invention, and FIGS. 3 and 4 are distributed constant electromagnetic delay lines according to the present invention. FIG. 5 is a front view showing a distributed constant electromagnetic delay line that is a reference for the present invention, and FIG.
It is a figure which shows the manufacturing method of the distributed constant electromagnetic delay line shown in a figure. 1, 15... Ground electrode, 3, 17... Dielectric material,
5,13...Bobbin, 7,19...Conductor line, 8,
20... Unit conductor line, 9, 27... Conductor frame, 11, 23... Connection portion, 21... Inclined portion, C
-C... Axial direction of the bobbin.

Claims (1)

[Scope of Claims] 1. A plurality of unit conductive lines are arranged in a plane at equal intervals with an interval of 1 pitch, and are sequentially shifted in the same direction by 1 pitch in the middle, and from a dielectric material. Each of the unit conducting lines is attached to the outer periphery of the bobbin so as to be perpendicular to the axial direction of the bobbin, and the unit conducting lines are connected in series to form a space-wound conducting line in the shape of a single layer solenoid around the outer periphery of the bobbin. A method for manufacturing a distributed constant electromagnetic delay line, characterized in that: