JPH03206701A - Manufacture of irreversible circuit element and hoop shaped component - Google Patents

Abstract

PURPOSE:To simplify the assembling process and to attain economy by using a hoop member having terminals required only for horizontal mounting, terminals required only for vertical mounting, and a terminal branched in T- shape used in common for both horizontal and vertical mounting and forming a circuit element main body on the member. CONSTITUTION:A hoop member 10 is employed, which has terminals 14, 15 only for the horizontal mounting, a terminal 16 only for the vertical mounting and common terminals 11, 12 in T-shaped form used in common for both mountings and a circuit element main body 20 is formed to the hoom member 10. Then the cut position of the terminals 11-16 of the hoop member and the folded way after the cut-off are changed depending on the horizontal mounting or the vertical mounting of the irreversible circuit element. Since the process before the terminals of the hoop member 10 are cut off is in common for the irreversible circuit element set in the horizontal mounting and vertical mounting, the assembling process is simplified and the economy is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing nonreciprocal circuit elements such as lumped constant type circulators and isolators, and a hoop-shaped component used therein.

[Conventional technology]

There are two types of nonreciprocal circuit elements of this type: a face-down type, in which the device is mounted face down on a substrate, etc., and a vertical type, in which it is mounted upright.

For example, FIG. 6A shows a down-type isolator in which a plurality of terminals 3 for input/output and grounding are drawn out from the circuit element body 2 laterally. FIG. 1B shows a vertical isolator in which a plurality of terminals 3 are drawn out from the circuit element body 2 downward. FIG. 1C shows a down-type circulator, in which a plurality of terminals 3 are drawn out laterally from the circuit element body 2.

Note that in the case of a circulator, since the number of terminals is large, it is usually a down type.

[Problem to be solved by the invention]

As mentioned above, since the direction and number of terminals are different between the vertical type and the vertical type, conventionally, the vertical type and the vertical type were manufactured using completely different assembly processes.

However, this is uneconomical because two types of assembly processes are required.

Furthermore, since it is necessary to decide at an early stage of the assembly process whether to use a vertical or vertical structure, manufacturing flexibility is also lacking.

Therefore, the main object of the present invention is to provide a manufacturing method that improves these points.

[Means to solve the problem]

In order to achieve the above object, the manufacturing method of the present invention is directed to a non-reciprocal circuit element in which a plurality of terminals are drawn out from a circuit element main body, and which is mounted face down on a board or the like or which is mounted face down on a board etc. When making a vertical type to be mounted, terminals required only when making a vertical type, terminals required only when making a vertical type, and hoop material that is branched into a T-shape and has terminals common to both types. A circuit element main body is formed on this using a method, and the position at which the terminal of the hoop material is cut and the way it is bent after cutting are changed depending on whether the irreversible circuit element is to be in a down or upright shape. It is characterized by

[Function] According to the above manufacturing method, the steps before cutting the terminals of the hoop material are the same whether the non-reciprocal circuit element is made into a down type or an upright type, so the assembly process is simplified. and become economical.

Further, since it is only necessary to decide whether to use a down-down type or an upright type before cutting the terminals of the hoop material, manufacturing flexibility is also improved.

〔Example〕

In the manufacturing method according to the present invention, first, a hoop-shaped component 30 as shown in FIG. 1 is manufactured.

This hoop-shaped component 30 includes, for example, a plurality of (only one shown in the figure) circuit element bodies 20 and each circuit element body 20.
A hoop material 10 having three human output terminals 11 to 13 and three ground terminals 14 to 16 connected to the hoop material 10 is used.

An example of the circuit element main body 20 is shown in FIG. That is, this circuit element main body 20 has three central conductors 21 to 23 that are at an angle of approximately 120 degrees to each other, for example, two (only one is shown).
Sandwiched from above and below with ferrite 24, and this ferrite 2
A direct current magnetic field is applied to each ferrite 24 in the direction of the symmetry axis by magnets (not shown) provided above and below or on one side of the ferrite 24.

The human output terminals 11 to 11 are located at one end of each center conductor 21 to 23.
13 are connected to each other, and the ground terminals l4 to 16 are respectively connected to the other end.

In addition, when using this circuit element body 20 as an isolator, as shown by the broken line in FIG.
is inserted.

Among the above terminals 11 to 16, input/output terminal l3, ground terminal 14, and l5 are necessary only when the circulator is a sunken type, and among these, the human output terminal 13 is necessary only when the circulator is a sunken type. It is something. The ground terminal 16 is necessary only when a vertical type is used. Input/output terminals l1 and l2 are common to both the vertical and vertical types, and are branched into T-shapes in the same direction.

When making the required nonreciprocal circuit element, the hoop material 1 is
The cutting positions of the terminals 11 to 16 of 0 and the way they are bent after cutting are changed.

For example, when making a down-type isolator, as shown in Figure 3 (A)
The part shown by the broken line inside is cut and removed, and then the remaining input/output terminals 11, 12 and ground terminals 14, 15 are bent into an L-shape as shown in FIG.

When making a vertical isolator, cut and remove the part indicated by the broken line in Figure 4 (A), and then connect the remaining output terminal 1.
If the input/output terminals 11 and 12 of the terminals 1, 12 and the ground terminal 16 are bent laterally as shown in FIG.

When making a down-type circulator, cut and remove the portion indicated by the broken line in Fig. 5 (A), and then remove the remaining input/output terminals 11 to 13 and ground terminals 14 and 15 as shown in Fig. 5 (B). If you bend it into an L shape like this, it will be complete.

In addition, the structure of the circuit element body 2o mentioned above, the total number of terminals,
The number of terminals branched into a T-shape is just an example, and of course other numbers may be used.

〔Effect of the invention〕

As described above, according to the manufacturing method of the present invention, the steps before cutting the terminals of the hoop material are the same whether the non-reciprocal circuit element is made into a down type or an upright type. The process is simplified and economical.

Further, since it is only necessary to decide whether to use a down-down type or an upright type before cutting the terminals of the hoop material, manufacturing flexibility is also improved.

Furthermore, the above method can easily be used for automatic assembly.

Similarly, according to the hoop-shaped component according to the present invention, one structure can be used for both a down-type non-reciprocal circuit element and a vertical-type non-reciprocal circuit element, which simplifies the assembly process. It is possible to reduce the cost of non-reciprocal circuit elements.

[Brief explanation of drawings]

FIG. 1 is a plan view partially showing an example of a hoop-shaped component used in the manufacturing method according to the present invention. FIG. 2 is a diagram showing an example of the structure of the circuit element main body in FIG. 1. FIG. 3 is a diagram showing the process of making a down-type isolator. FIG. 4 is a diagram showing the process of making a vertical isolator. FIG. 5 is a diagram showing the process of making a down-type circulator. FIG. 6 is a perspective view showing an example of a conventional nonreciprocal circuit element. 10... Hoop material, 11-13...input/output terminal, ■
4 to 16... Earth terminal, 20... Circuit element body,
21-23...center conductor, 24. ．． ．． Ferrite, 3
0. ．． ．． Hoop-shaped parts. Figure 1 Figure 2 Figure 16 Figure 3 (A) (B) 16 (A) Figure 4 Figure 5 Figure 6 (B) (C)

Claims (2)

[Claims] (1) When making a non-reciprocal circuit element consisting of a plurality of terminals drawn out from the circuit element body, which is mounted face down on a board etc. or a vertical type mounted upright, The circuit element body is formed using a hoop material that has terminals required only when the type is vertical, terminals required only when the type is vertical, and a hoop material that is branched in a T-shape and has terminals common to both types. and changing the cutting position of the terminal of the hoop material and the way of bending it after cutting depending on whether the non-reciprocal circuit element is to be made into a down-down type or an up-right type. . (2) It is used to make a nonreciprocal circuit element that is mounted face down on a board, etc. or vertically mounted upright, and includes a ferrite and a plurality of center conductors arranged symmetrically near the surface of the ferrite. and a circuit element body containing a magnet that applies a DC magnetic field to the ferrite in the direction of the symmetry axis, and terminals connected to the circuit element body, which are required only when the type is laid down, and only when the type is made upright. and a hoop material that is branched in a T-shape and has something common to both types.