JPH1065289A - Board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily detect an unmounted components and to detect the king of the unmounted component also by providing an identification mark having a color or brightness different from that of its periphery, at a part which is within a component mounting region and no longer can be seen, when the component is mounted. SOLUTION: An identification mark 2 is printed in a part which is within a region for a component 4 to be mounted and no longer becomes visible when the component 4 is mounted. The shape, color and brightness of the identification mark 2 are made different from those of the component 4 to be mounted, and besides different colors, shapes, and brightness are used, depending on the kinds of components 4 to be mounted. Since identification marks 2 having easily-detectable colors, shapes, and brightness are provided at component 4 mounting positions on a board 1 in parts which become invisible when the components 4 are mounted, easy and simple detection of an unmounted component 4 is make possible and detection of the kind of unmounted component 4 as well.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substrate provided with an identification mark indicating a position of a mounted component.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 2, on a printed circuit board, a frame indicating an area for mounting a component is printed, a component number is further printed, and devices for mounting the component are made easier. Have been. Hereinafter, the configuration of FIG. 2 and the inspection of components during mounting will be briefly described.

FIG. 2 is an explanatory diagram of the prior art. In FIG. 2, a printed circuit board is a board on which components are mounted, and prints a component mounting position mark that encloses a region where the components are mounted on the surface with a rectangle, and a component number (not shown) of the component.

After mounting the component on the printed circuit board on which the component mounting position mark and the component number are printed, the component is mounted inside the component mounting position mark as described as unmounted in the drawing in the inspection process. When not installed, it was trying to detect unimplemented.

[0005]

As shown in FIG. 2 described above, a rectangular component mounting position mark, which is larger than a component, is printed on a conventional printed circuit board. The position mark has the same shape,
In the case shown in the figure, it is “rectangular” and “rectangular”, and it is necessary to determine whether or not a component is mounted based on the presence or absence of the component itself. There is a problem that it is difficult to find a mounted component. Further, there is also a problem that the component mounting position mark always looks the same whether or not the component is mounted inside the rectangular component mounting position mark portion, and it is difficult to determine whether or not the component is mounted.

[0006] The present invention solves these problems,
In the component mounting position, the shape, color,
An object of the present invention is to provide a brightness identification mark in a portion that cannot be seen when components are mounted, so that unmounted components can be easily detected and the type of unmounted components can be detected.

[0007]

Means for solving the problem will be described with reference to FIG. In FIG. 1, a substrate 1
Is a board on which the component 4 is mounted.

The identification mark 2 is a symbol or a part number printed on a part which cannot be seen when the part 4 is mounted. Next, the identification mark 2 printed on the substrate 1 will be described.

Regarding the identification mark 2, the component 4 on the substrate 1
Is provided in a part, which becomes invisible when the component 4 is mounted in a region where the component 4 is mounted, in a shape, color, or brightness different from the surroundings.

At this time, the shape of the identification mark 2 is different from the shape of the component 4 to be mounted and is different for each type of the component 4, so that it is easy to detect which component type is not mounted. .

The color of the identification mark 2 is a fluorescent paint, so that the unmounted component 4 can be easily detected. In addition, a component number is used instead of the identification mark 2 so that the component number of the unmounted component 4 can be easily detected.

Therefore, the identification mark 2 of the shape, color, or brightness, which can be easily detected according to the component type, is provided at the mounting position of the component 4 on the substrate 1 at a portion which cannot be seen when the component 4 is mounted. It is possible to easily detect the mounted component 4 and also easily detect the type of the unmounted component 4.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment and operation of the present invention will be described in detail with reference to FIG. FIG. 1 shows an explanatory view of one embodiment of the present invention. This is a schematic representation of a part when components are mounted on the substrate 1.

In FIG. 1, a substrate 1 is, as shown in FIG.
It is for mounting a plurality of components 4, and is formed by printing the identification mark 2, the terminal 3, and the like according to the present invention in advance. As shown in the figure, the identification mark 2 is printed in an area where the component 4 is mounted and becomes invisible when the component 4 is mounted, and is different in shape, color, and brightness from the surroundings. Or, it is printed with a fluorescent paint to make it different from the surroundings, so that it can be easily detected when it is not mounted. Alternatively, a part number may be printed instead of the shape so that it can be easily determined which part 4 is not mounted.

The terminal 3 is a terminal that is electrically connected by soldering or the like when the component 4 is mounted. The component 4 is a component mounted on the substrate 1 and is, for example, a component such as a resistor, a capacitor, a transistor, and a coil.

Next, the shape, color, brightness,
And when printing with a fluorescent paint will be described in detail. First, the shape of the identification mark 2 is different from the shape of the component 4 to be mounted, and is different for each type of the component 4 to be mounted, so that it is easy to detect that the component 4 is not mounted. Then, it is possible to easily determine which type of the component 4 is of which type. For example, as shown
When the shape of the component is a rectangle “□”, the shape of the identification mark 2 is a circle “○” or a triangle “Δ”, and the shape is different for each type of the component 4.

Second, the color of the identification mark 2 is different from the color of the component 4 to be mounted, and is different for each type of the component 4 to be mounted, so that the fact that the component 4 is not mounted can be easily detected. In addition, when it is detected, it is possible to easily determine which type of the component 4 is. For example, when the color of the component is gray or brown, the color of the identification mark 2 is set to red, pink, or the like, and is different for each type of the component 4.

Third, the brightness of the identification mark 2 is different from the brightness of the component 4 to be mounted, and is different for each type of the component 4 to be mounted, so that it is easy to detect that the component 4 is not mounted. Any parts 4
It can be easily determined whether the type is of the type. For example, when the color of the component is gray, the color of the identification mark 2 is set to white or black, and the color of the brightness differs for each type of the component 4.

Fourth, a component 4 to be printed and mounted with a paint that emits a specific light when irradiated with a special light (for example, infrared light) such as a fluorescent paint as the color or brightness of the identification mark 2. The color and brightness of the component 4 are raised differently, and it can be easily detected that the component 4 is not mounted.
In addition, it is possible to easily determine which type of component 4 is detected when the type is detected.

Fifth, instead of the shape of the identification mark 2,
The part number of the part 4 or the number, symbol string, and bar code that specify the part 4 are used, and when these numbers, symbol strings, and bar codes are visible when the part 4 is not mounted, it is automatically captured as an image and not mounted. The components may be automatically detected.

In practice, the first to fifth identification marks 2 described above are combined so that unmounted components 4 on the board 1 can be easily detected and their types can be determined. For example, when the component is a rectangle “□” as shown in the figure, a different shape such as a circle “○” or a triangle “△” is used as the identification mark 2 and the color is different from the component 4 and the surrounding color, and is easily detected. For example, the color of the component 4 is determined as red, and the unmounted component is detected as red, and the type of the component 4 is determined based on the shape of a circle “○” or a triangle “△”. Similarly, other combinations may be used.

[0022]

As described above, according to the present invention,
Since the identification mark 2 of the shape, color, and brightness that can be easily detected according to the component type is provided at a position where the component 4 is not visible when the component 4 is mounted on the mounting position of the component 4 on the substrate 1, It is possible to easily detect the mounted component 4 and easily detect the type of the unmounted component 4.
Further, by providing the fluorescent paint identification mark 2, the unmounted component 4 and its type can be easily detected.

[Brief description of the drawings]

FIG. 1 is an explanatory view of one embodiment of the present invention.

FIG. 2 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 1: Board 2: Identification mark 3: Terminal 4: Component

Claims (4)

[Claims] In a substrate provided with an identification mark indicating a position of a mounted component, an identification mark of a color or brightness different from the surroundings is provided in a portion where the component is not visible when the component is mounted in an area where the component is mounted. A substrate, characterized in that: 2. The substrate according to claim 1, wherein the shape of the identification mark is different from a component to be mounted and, if necessary, is different for each component type. 3. The substrate according to claim 1, wherein the color of the identification mark is a fluorescent paint. 4. The substrate according to claim 1, wherein the identification mark is replaced with a number representing a component.