JPH11295035A - Alignment jig for inspecting electric part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To align the electrode part of an electric part and a contact piece of the socket for an electronic part accurately and easily by using magnified images of them. SOLUTION: A light source, a light-transmission type light-guiding part 13 for guiding the light emitted from the light source to a specified reflection position, and an optical device 20 for magnifying the image formed of the reflection light from the reflection position while the magnified image is visually captured, are provided. In addition, a base body part 7 placed on an electrode part when the electrode part formed on the light-transmission type substrate of an electric part is aligned with the contact piece formed at the contact member of the electric part socket contacting to the electrode part, is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning jig for inspecting an electric component, and more particularly to an electrode portion of an electric component such as a liquid crystal display panel or a plasma display panel, and a socket for the electric component for inspecting the electric component. The present invention relates to a positioning jig for inspecting an electric component, which can accurately perform positioning with a contact of the electronic component.

[0002]

2. Description of the Related Art Conventionally, a display panel such as a liquid crystal display panel or a plasma discharge panel has a large number of electrodes on a substrate. When inspecting the display quality or the like of this type of display panel, a display panel socket provided with a contact member for supplying a lighting signal to the display panel is used (see Japanese Patent Application Laid-Open No. 8-220175).

In this type of display panel socket, as shown in FIG. 7, a contact member 2 formed by forming a contact 6 on a contact film is provided on the inner peripheral side of a rectangular frame-shaped socket body 1. Then, the electrode part 5 shown in FIG. 8 formed on the light transmitting substrate 4 of the display panel 3 placed on the contact member 2 and the contact 6 of the contact member 2 are brought into contact with a required contact pressure. It is configured to be.

Conventionally, in order to reliably supply a lighting signal to the display panel 3, the contact between the electrode portion 5 and the corresponding contactor 6 is made by hand so that the contact position is accurately adjusted. Was being adjusted.

[0005]

However, since it is difficult for the naked eye to position the electrode portion 5 and the contact 6 which are fine patterns with high definition, it is difficult to use a magnifying glass such as a loupe. Because of this, there was a problem that it took time to align the two, and that the contact was not performed accurately. In addition, since the magnifying glass itself cannot be installed at a predetermined position with respect to the socket body 1, there is a disadvantage that it takes a longer time to perform positioning. In a severe case, there is a problem that the lighting signal cannot be supplied to the display panel 3 and the display quality of the display panel 3 cannot be inspected accurately.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and the positioning of the electrode part of the electric component and the contact of the socket for the electric component is accurate and simple by capturing an enlarged image of both. It is an object of the present invention to provide a positioning jig for inspecting an electric component which can be performed at a time.

[0007]

According to a first aspect of the present invention, there is provided a positioning jig for inspecting an electric component, wherein the light source and the light emitted from the light source are guided to a predetermined reflection position. A light-guiding portion having a light-transmitting property, and an optical device for enlarging an image formed by the reflected light from the reflection position and capturing the enlarged image visually, formed on a light-transmitting substrate of an electric component. And a base portion placed on the electrode portion when performing alignment between the electrode portion and the contact formed on the contact member of the electrical component socket that comes into contact with the electrode portion. .

[0008] By adopting such a configuration, the position of the electrode part of the electric part and the contact of the socket for the electric part can be adjusted by illuminating the contact part between the electrode part and the contact. It is possible to do it accurately by capturing

[0009] To achieve the above object, a second aspect of the present invention.
The feature of the electric component inspection positioning jig according to claim 1 is that in claim 1, the light guide unit reflects the transmitted light from the light source at a position facing a contact portion between the electrode unit and the contact. In this case, the light source has an inclined surface for guiding the transmitted light from the light source to the contact portion and transmitting the reflected light from the contact portion to guide the reflected light to the optical device.

[0010] By adopting such a configuration, it is possible to satisfactorily illuminate the contact portion between the electrode portion and the contact with a simple configuration.

[0011] To achieve the above object, a third aspect of the present invention.
The feature of the electric component inspection positioning jig according to claim 1 or 2, is that the light guide section is set at a predetermined position for performing alignment between the electrode section and the contact. It has a positioning part.

By adopting such a configuration, it becomes possible to set the optical device at a position where the image formed by the reflected light of the contact portion between the electrode portion and the contact can be reliably captured.

[0013] In order to achieve the above object, a fourth aspect of the present invention is provided.
The feature of the positioning jig for electric component inspection according to the present invention is that, in any one of claims 1 to 3, the light guide section is provided in the entirety of the formation range of the electrode section and the contact that comes into contact with the electrode section. The point is that it is formed so that positioning can be performed in the range.

[0014] By adopting such a configuration, for example, it is possible to align the electrode formed at the corner of the electric component with the corresponding contact.

[0015] In order to achieve the above object, the present invention is directed to claim 5 of the present invention.
The feature of the electric component inspection positioning jig according to the present invention is that in any one of claims 1 to 4, a magnifying glass having an eyepiece and an objective lens is used as the optical device.

By employing such a configuration, it is possible to reliably perform the alignment between the electrode portion and the contact with the simplest configuration and at a low cost.

[0017] To achieve the above object, the present invention provides a sixth aspect of the present invention.
The feature of the electric component inspection positioning jig according to the present invention is that in any one of claims 1 to 4, a CCD camera is used as the optical device.

By adopting such a configuration, it becomes possible to perform positioning by flexibly capturing a desired enlarged image in accordance with the fineness of the electrode portion.

[0019]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIGS.

FIGS. 1 and 2 are perspective views of a first embodiment of a positioning jig for inspecting an electric component according to the present invention, as viewed from different directions. FIG. 3 shows a light guide unit to be described later of the first embodiment.

As shown in FIG. 1, the first embodiment includes a base portion 7 having a bottom surface mounted on the surface of an electric component. A box-shaped light emitting device 8 is provided as a part of the base 7. The light emitting device 8 causes the light source 11 attached to the tip of the cord 10 shown in FIG. The light emitting device 8 is provided with a light emitting knob 12 shown in FIG. 2 so as to adjust the luminous intensity (brightness) of light emitted from the light source 11.

In this embodiment, the light source 11
A light emitting diode (LED) is used as a light emitting diode.

On one side (right side in FIG. 1) of the light emitting device 8, a light guide 13 made of a light transmissive member such as glass, acrylic plate, or polycarbonate is attached.

The light guide 13 has a groove 14 for installing the light source 11. Then, light emitted from the light source 11 installed in the groove 14 can pass through the light guide 13 and travel to the tip 13a of the light guide 13 shown in FIG.

The tip portion 13 of the light guide portion 13
On a, an inclined surface 15 shown in FIGS. 1 and 3 is formed. The inclined surface 15 can reflect a part of the transmitted light emitted from the light source 11 in a direction indicated by an arrow A in FIG. 3, that is, a direction in which the electrode portion 5 is formed. The electrode portion 5 formed in
And the contact 6 formed on the contact member 2
By allowing the reflected light reflected by the light to pass through, the reflected light is allowed to travel in the direction of arrow B in FIG.

On the right side of the light guide 13 and the front of the light emitting device 8, when the display panel 3 is inspected, the position of the inclined surface 15 of the light guide 13 is the position of the electrode 5. Positioning portions 16 for positioning the first embodiment on the display panel 3 are provided so as to face the disposition positions.

More specifically, when the display panel is mounted on the electrical component socket 17 as shown in FIG. 4, the electrical component socket 17 having a small step above the edge of the display panel 3 is shown in FIG. The position of the inclined surface 15 and the position of the electrode portion 5 are opposed to each other by bringing the positioning portion 16 into contact with the inner edge of the plate 18 shown in FIG. And, by this, the light source 1
It is possible to reliably guide the light from No. 1 to a position directly above the electrode portion 5 and the contact 6.

Since the inclined surface 15 is provided at the corner of the first embodiment, the display panel 3 shown in FIG.
The light source 11 is attached to the electrode portion 5 formed at the corner 3a of the
It is possible to guide the light emitted from. That is, the positioning with the contact 6 can be performed in the entire formation range of the electrode portion 5 of the display panel 3.

Further, as shown in the bottom view of the present embodiment in FIG. 5, a book placed on the display panel 3 is provided at the bottom of the light guide section 13 and the bottom of the positioning section 16 on the light emitting device 8 side. A Teflon sliding foot 19 is provided to enable the first embodiment to slide smoothly on the panel surface. As a result, the inclined surface 15 is kept in contact with the inner edge of the plate 18 of the electrical component socket 17 by the positioning portion 16 while the inclined surface 15 is
Can be smoothly slid along the formation range of the display panel 3, so that the alignment between the electrode portion 5 and the contact 6 can be continuously performed without damaging the surface of the display panel 3. .

A magnifying mirror 20 for enlarging an image composed of light reflected in the direction of arrow B from the electrode unit 5 and the contact 6 is disposed at an upper position facing the light guide unit 13. I have. The magnifying mirror 20 captures, at the upper and lower ends of a substantially cylindrical lens barrel 21, condensing portions 22 for condensing light reflected from the electrode portion 5 and the contact 6, and an enlarged image formed by the reflected light. Eyepiece 23 for

The focusing section 22 is provided with an objective lens 24 (not shown) having a short focal length for enlarging an image formed by the reflected light, and the eyepiece section 23 is provided with the objective lens 24. An eyepiece 25 (not shown) for forming a virtual image magnified by is provided.
This makes it possible to magnify the image formed by the reflected light from the electrode portion 5 or the contact 6 by the ordinary principle of a microscope and to visually recognize the image.

The condensing surface of the magnifying mirror 20 is inclined by the arm 26 shown in FIGS. 1 and 2 disposed at the rear end of the light guide 13. Fifteen
It is designed to be supported at a certain distance from.

In the eyepiece 23, the display panel 3 on the electric component socket 17 is overlapped while confirming the images of the electrode section 5 and the contact section made of reflected light. By adjusting the position manually, the position of the electrode unit 5 and the contact 6 can be adjusted.

Incidentally, by changing the magnification of the objective lens 24 in accordance with the distance between the electrodes of the electrode section 5, it is possible to capture enlarged images corresponding to various electrode sections 5.

Next, the operation of the present embodiment will be described.

First, as shown in FIG. 4, the present embodiment is mounted on the display panel 3 such that the positioning portion 16 contacts the inner edge of the plate 18 of the electrical component socket 17.

Then, the switch of the light emitting device 8 is turned on.
Then, light is emitted from the light source 11.

The light emitted from the light source 11 is transmitted to the light guide 1.
3 and partially reflected on the inclined surface 15 at the tip end in the direction indicated by the arrow A in FIG.

The light reflected by the inclined surface 15 in the direction of arrow A passes through the light transmitting substrate 4 of the display panel 3 and is further reflected by the electrode portion 5 and the contact 6.

A part of the light reflected by the electrode unit 5 and the contact 6 passes through the inclined surface 15 and travels in the direction shown by the arrow B in FIG. It is enlarged. The enlarged image is formed by the eyepiece lens 25, and the enlarged image can be visually recognized by the eyepiece unit 23.

In the eyepiece 23, the display panel 3 on the electrical component socket 17 is overlapped while confirming the images of the electrode portion 5 and the contact 6 made of the reflected light. The position of the electrode part 5 and the contact 6 are adjusted by manually adjusting the position of the contact member 2 or the contact member 2 on the socket body 1 side.

Next, a second embodiment 27 of an electric component inspection positioning jig according to the present invention will be described with reference to FIG.

In the second embodiment, the electrode portion 5 and the contact 6
The optical device shown in FIG.
It has a CD camera 28.

That is, an image formed by the reflected light from the electrode section 5 or the contact 6 is condensed on the CCD camera 28, and this image is confirmed on a monitor (not shown) via a cable 29 connected to the upper end. It has become so.

Then, as in the first embodiment, it is possible to perform positioning by superimposing the image of the electrode section 5 and the image of the contact 6. In the display on the monitor side of the CCD camera 28, the degree of enlargement can be freely set to some extent, so that a desired enlarged image can be captured according to the fineness of the electrode section 5.

Therefore, according to the second embodiment, the electrode portion 5 of the electrical component and the contact 6 of the electrical component socket 17 are provided.
Can be accurately adjusted while checking the enlarged image of the contact portion.

The present invention is not limited to the above-described embodiments, but can be variously modified as needed. For example, in the first embodiment, the display panel 3 mounted on the contact member 2 is sandwiched by one plate 18, but the present invention is also applicable to a known two plate. It also supports display panel sockets of the type that uses.

[0048]

As described above, according to the positioning jig for inspecting an electric component according to the present invention, the positioning of the electrode portion of the electric component and the contact of the socket for the electric component can be captured as enlarged images of both. This has the effect of being able to perform the operation accurately and easily.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of an electric component inspection positioning jig according to the present invention.

FIG. 2 is a perspective view of the first embodiment of the electric component inspection positioning jig according to the present invention, as viewed from a direction different from FIG. 1;

FIG. 3 is a diagram showing an embodiment around a light guide section of the positioning jig for electrical component inspection according to the present invention.

FIG. 4 is a top view showing an embodiment of a use state of the electric component inspection positioning jig according to the present invention.

FIG. 5 is a bottom view showing the first embodiment of the electric component inspection positioning jig according to the present invention;

FIG. 6 is a perspective view showing a second embodiment of a positioning jig for electric component inspection according to the present invention.

FIG. 7 is a perspective view showing a conventionally used electric component socket and a display panel as an example of the electric component.

FIG. 8 is a diagram showing a display panel as an example of a conventionally used electric component.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Socket body 2 Contact part 3 Display panel 5 Electrode part 6 Contact 8 Light emitting device 11 Light source 13 Light guide 15 Slope 16 Positioning part 17 Socket for electric components 20 Magnifying glass 28 CCD camera

Claims (6)

[Claims] 1. A light source, a light-transmitting portion for guiding light emitted from the light source to a predetermined reflection position, and an image formed by light reflected from the reflection position is enlarged, and the enlarged image is visually recognized. Alignment between an electrode part formed on a light-transmitting substrate of an electric part and a contact formed on a contact member of an electric part socket contacting the electrode part having an optical device for capturing A positioning jig for inspecting an electric component, comprising a base portion placed on the electrode portion when performing the above. 2. The light guide section reflects transmitted light from the light source at a position facing a contact area between the electrode section and the contact, thereby transmitting transmitted light from the light source to the contact area. The positioning jig according to claim 1, further comprising an inclined surface for guiding the reflected light from the contact portion and guiding the reflected light to the optical device. 3. The apparatus according to claim 1, further comprising a positioning section for setting the light guide section at a predetermined position for performing alignment between the electrode section and the contact. Positioning jig for electrical parts inspection. 4. The light guide part is formed so as to be capable of performing alignment in the entire range of a formation range of the electrode part and the contact that comes into contact with the electrode part. The positioning jig for inspecting an electric component according to claim 1. 5. A positioning jig for inspecting an electric component according to claim 1, wherein a magnifier having an eyepiece and an objective lens is used as said optical device. Utensils. 6. The positioning jig for inspecting an electric component according to claim 1, wherein a CCD camera is used as the optical device.