JPH06230029A - Measuring method for electric characteristic of electronic part - Google Patents

Abstract

PURPOSE:To provide a measuring method by which a measuring terminal is divided into a plurality of pieces so as to eliminate contact miss and the electric characteristic of an electronic part can be surely measured. CONSTITUTION:In a measuring method for the electric characteristic of an electronic part by holding the electronic part 1 having a lead terminal 3 (4, 5) by a product holder 6, fixing the product holder 6 in the measuring position, moving a plurality of measuring terminals 12 (13, 14) of an electric characteristic measuring device 11, and bringing respective measuring terminals into contact with the corresponding lead terminal 3 (4, 5), a plurality of the measuring terminals 12 (13, 14) of the electric characteristic measuring device 11 are formed out of contact terminals 12a, 12b (13a, 13b, 14a, 14b) spacedly arranged along the extending direction of the lead terminal 3 (4, 5), the respective measuring terminals are moved toward the corresponding lead terminal 3 (4, 5) of the electronic part 1 held with the product holder 6, and at least one of the contact terminals 12a, 12b (13a, 13b, 14a, 14b) of each measuring terminal is brought into contact with the corresponding terminal so as to measure the electric characteristic.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for measuring the electrical characteristics of an electronic component having a lead terminal, and more particularly to the electrical characteristic of an electronic component capable of reliably measuring the frequency characteristic and the conductivity of the electronic component with a small error. It relates to a characteristic measuring method.

[0002]

2. Description of the Related Art Conventionally, the electrical characteristics of electronic components have been measured as shown in FIG. As shown in the figure, a three-terminal type piezoelectric oscillation component 1 is connected to a component body 2 and an electrode of the component body 2 which is sealed with an exterior resin, and a conductive lead extending outside the exterior resin. Terminals 3, 4,
It is composed of 5 and. The frequency characteristics of this piezoelectric oscillation component 1 and the electrical characteristics such as the conductivity of soldering are measured by the method shown in FIG.
As shown in FIG. 5, the piezoelectric oscillation component 1 is held in the product holder 6 that holds the plurality of piezoelectric oscillation components 1. The product holder 6 that holds the piezoelectric oscillation component 1 has a locking portion 7
Is provided in the form of a ridge, and has a groove 7a for inserting a lead terminal,
7b and 7c are provided on the locking portion 7 and configured. The procedure for measuring the electrical characteristics is to hold the piezoelectric oscillation component 1 in the product holder 6, convey the product holder 6 intermittently one after another, and connect the lead terminals 3, 4, 5 of the piezoelectric oscillation component 1 to the electrical characteristic measuring instrument. Stop at the position facing the measuring terminals 8, 9 and 10,
The measuring terminals 8, 9 and 10 of the electric characteristic measuring device are lowered and brought into contact with the lead terminals 3, 4 and 5, respectively, and are conducted to the measuring device to measure the electric characteristic.

[0003]

However, in the above-mentioned conventional method for measuring an electronic component, even if the accuracy of the measuring position where the measuring terminals 8, 9 and 10 descend and the accuracy of the stop position of the product holder 6 are improved, When the piezoelectric oscillation component 1 is tilted in the product holder 6 due to the vibration of the machine that lowers the measurement terminals 8, 9, and 10, the shape of the piezoelectric oscillation component 1, and the like, the measurement terminals 8, 9, 10 and the leads There was a problem that the electrical characteristics could not be correctly measured due to a contact error with the terminals 3, 4, and 5.

The present invention has been made in view of the above-mentioned circumstances of the prior art, and provides a measuring method capable of reliably measuring the electrical characteristics of an electronic component by dividing a measuring terminal into a plurality of portions so as to eliminate contact mistakes. It is an object.

[0005]

In order to solve the above-mentioned problems, the method for measuring the electrical characteristics of an electronic component according to the present invention holds an electronic component having a lead terminal in a product holder and measures the product holder. In the method of measuring the electrical characteristics of electronic components by stopping at the position, moving the multiple measurement terminals of the electrical characteristic measuring instrument and bringing each measuring terminal into contact with the corresponding lead terminal, Formed by contact terminals arranged at intervals along the extension direction of the lead terminal, move each measurement terminal toward the corresponding lead terminal of the electronic component held in the product holder, and At least one of the plurality of contact terminals is brought into contact with the corresponding lead terminal to measure the electrical characteristics.

[0006]

As described above, in the method for measuring an electronic component according to the present invention, each measuring terminal of the measuring instrument is composed of a plurality of contact terminals, and the plurality of contact terminals forming the measuring terminals are arranged in the extending direction of the lead terminals. The measurement terminal is moved toward the lead terminal of the electronic component held in the product holder, the contact terminal is brought into contact with the lead terminal, an AC electric field is applied to the measurement terminal, and impedance characteristics and Measure electrical characteristics such as center frequency. Even if the electronic component is tilted, at least one of the plurality of contact terminals of the measurement terminal comes into contact with the corresponding lead terminal, so that there is no contact error and the electrical characteristics can be reliably measured.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method for measuring electrical characteristics of electronic parts according to the present invention will be described below with reference to the drawings. 1 to 3
FIG. 4 is a diagram for explaining a method for measuring electrical characteristics of an electronic component (piezoelectric oscillation component) according to the present invention. First, as shown in FIG. 2, by inserting the lead terminals 3 (4, 5) into the recessed grooves 7a, 7b, 7c provided in the protrusion-shaped locking portion 7 of the product holder 6 and mounting them. Electronic parts (piezoelectric oscillation parts) 1
Are held in the product holder 6. Next, the piezoelectric oscillation component 1 is conveyed by moving the product holder 6, and the lead terminals 3 (4,5) of the piezoelectric oscillation component 1 are connected to the electrical characteristic measuring instrument 11
The measurement terminal 12 (13, 14) of the electric characteristic measuring instrument 11 is stopped at a position facing the measurement terminal 12 (13, 14) of
14) descend and connect each contact terminal to the lead terminal 3
(4, 5) is brought into contact with the electrical characteristic measuring instrument 11 to conduct it. The measuring terminals 12 (13, 14) are connected to the respective contact terminals 12a, 12b (13a, 13b, 14a, 14).
b) are arranged in parallel with each other in the extending direction of the lead terminals 3 (4,5). And the electrical characteristic measuring instrument 1
1 is operated, an AC electric field is applied to the measuring terminals 12 (13, 14), and electrical characteristics such as impedance characteristics and center frequency are measured to measure electrical characteristics. Similarly, product holder 6
By moving, the unmeasured piezoelectric oscillation component 1 is sequentially conveyed and the electrical characteristics are measured.

The product holder 6 of the present embodiment is provided with the locking portion 7 in the form of a strip like the above-mentioned conventional example, and the groove 7a, 7b, 7c for inserting the lead terminal is provided in the locking portion 7. It is configured. The electrical characteristic measuring instrument 11 of this embodiment is shown in FIG.
As shown in, the lead terminals 3 (4, 4,
5) Each of a plurality of contact terminals 12a, 12b
Since the measurement terminals 12 (13, 14) composed of (13a, 13b, 14a, 14b) are brought into contact with each other, the lead terminals 3 (4,5) are bent or the product holder 6
Even if the position is shifted, any contact terminal can contact the corresponding lead terminal. As a result, contact mistakes are eliminated,
The electrical characteristics of electronic components can be reliably measured.

In the above, the frequency measurement of the piezoelectric oscillation component as the three-terminal type electronic component has been described.
It can be applied to two-terminal type and other multi-terminal type electronic parts such as capacitors, filters, discriminators, and other electronic parts. Also, the electrical characteristics are not limited to the above description and can be similarly applied to other conductivity measurements and the like. In short, it can be used in a method of measuring the electrical characteristics by moving the measurement terminal and bringing it into contact with the lead terminal to conduct electricity.

[0010]

As described above, according to the electrical characteristic measuring method for an electronic component of the present invention, the lead terminal of the electronic component is brought into contact with the measuring terminal composed of a plurality of contact terminals. Even if it is tilted, at least one of the plurality of contact terminals contacts the corresponding lead terminal.
As a result, contact mistakes at the terminals are eliminated, and the electrical characteristics of the electronic component can be reliably measured.

[Brief description of drawings]

FIG. 1 is a side view of one process for explaining an embodiment of a method for measuring an electronic component of the present invention.

FIG. 2 is a front view illustrating one process of the above-described embodiment.

FIG. 3 is a circuit diagram showing one principle of the measuring apparatus of the above-mentioned embodiment.

FIG. 4 is a perspective view illustrating one step of a conventional method.

[Explanation of symbols]

1 Electronic Parts (Piezoelectric Vibration Parts) 2 Parts Main Body 3, 4, 5 Lead Terminal 6 Product Holder 7 Locking Part 11 Electrical Characteristic Measuring Instrument 12, 13, 14 Measuring Terminal 12a, 12b Contact Terminal

Claims (1)

[Claims] 1. An electronic component having lead terminals is held in a product holder, the product holder is stopped at a measurement position, a plurality of measurement terminals of an electrical characteristic measuring instrument are moved, and each measurement terminal is brought into contact with a corresponding lead terminal. In the method of measuring the electrical characteristics of an electronic component, a plurality of measuring terminals of the electrical characteristic measuring instrument are formed by contact terminals arranged at intervals with each other along the extending direction of the lead terminal, and held in the product holder. Characterized in that each measurement terminal is moved toward the corresponding lead terminal of the electronic component, and at least one of the plurality of contact terminals of each measurement terminal is brought into contact with the corresponding lead terminal to measure the electrical characteristics. Measuring method for electrical characteristics of electronic parts.