JPH09205267A - Method for displaying specific information of component and method for displaying specific information of printed wiring board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for displaying the specific information of components where a specific information of components and printed wiring board can be clearly displayed at a narrow region and a display figure can be easily changed or updated by a same tool such as a screen and a film and a method for displaying specific information of the printed wiring board. SOLUTION: A method for displaying specific information of components displays the specific information of the components. A specific information display part is formed by forming a plurality of marks 1 and 2 which are arranged at each constant intervals of D and d on a plurality of figures R and r with different size. Then, the specific information of the components is displayed by partially eliminating the formed marks 1 and 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component specific information display method applicable to various components such as a printed wiring board and a printed wiring board specific information display method.

[0002]

2. Description of the Related Art Conventionally, specific information such as year of manufacture, month, etc. is displayed on a printed wiring board. In this way, displaying the manufacturing year, month, etc. on the printed wiring board prevents troubles caused by purchase and facilitates traceability in the event of an accident, and minimizes the scope of measures. This is so that it can be accommodated.

Conventionally, the year of manufacture, month, etc. are displayed on a printed wiring board as follows. (1) The manufacturing year, month, etc. are marked with ink using an insulating resin. (2) A certain kind of mark is printed using an insulating resin. (3) A kind of mark is formed of a conductive material.

[0004]

By the way, with the recent increase in the density of printed wiring boards, it has become necessary to reduce the display on the printed wiring boards. However, it has been difficult to form fine marks and to clearly decipher the display marks by the conventional display method of specifying information such as year of manufacture and month.

The present invention has been made to solve the above problems, and can display specific information of a component or a printed wiring board in a clear and narrow area, and the same tool (screen, film, etc.). It is an object of the present invention to provide a specific information display method for a component whose display graphic can be easily changed or updated by using the above, and a specific information display method for a printed wiring board.

[0006]

SUMMARY OF THE INVENTION In the present invention, the above object is a method of displaying specific information of a part for displaying specific information of the part, and a plurality of figures of different sizes. A step of forming a plurality of marks, each of which is arranged at a constant interval, to be a specific information display unit; and a step of erasing a part of the formed marks to represent the specific information of the part, It is achieved by the method of displaying specific information of a part having.

Further, a plurality of marks arranged at regular intervals are formed on a plurality of figures of different sizes, a screen is made with the formed marks, and specific information about the printed wiring board is displayed on the screen. This is achieved by a method for displaying specific information on a printed wiring board, which is represented by erasing a part of the formed mark.

According to the present invention, the specific information display portion is formed by forming a plurality of marks arranged at regular intervals on a plurality of figures of different sizes, and a part of the formed mark is erased. By doing so, the specific information of the part is represented. As a result, the specific information can be easily displayed even in a small area of the component.

Further, a plurality of marks arranged at a constant interval are formed on a plurality of figures of different sizes, a screen is made using the formed marks, and specific information regarding the printed wiring board is displayed on the screen. It is expressed by erasing a part of the mark formed on. That is, this screen is used to draw specific information on the printed wiring board. Thereby, the specific information can be easily displayed even in a small area of the printed wiring board.

[0010]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. Since the embodiments described below are suitable examples of the present invention, various technically preferable limitations are attached, but the scope of the present invention particularly limits the present invention in the following description. Unless stated otherwise, the present invention is not limited to these embodiments.

FIG. 1 shows a preferred form of a figure for carrying out component specific information, such as a manufacturing display method, or printed wiring board specific information, such as a manufacturing display method, according to an embodiment of the present invention. ing. In this embodiment, the time of manufacturing means, for example, the year of manufacture of the printed wiring board,
This is a concept that includes the month and preferably the number of printed circuit boards.

In FIG. 1, a figure F is a plurality of figures having different sizes, for example, a plurality of concentric circles having different diameters, and a plurality of markers arranged at regular intervals, for example, points 1, for example. Have two. Specifically, as shown in FIG. 2, two concentric circles R and r having different diameters are used.
Above, 12 points 1 are arranged on the circle R at D intervals, and 12 points 1 are arranged on the circle r at d intervals. That is, the outer circle R is, for example, φ18.0 / π.
(Approximately φ5.73 mm), the outside circle R
On the top, points 1 of W = φ2.0 mm are arranged at intervals of D = about 5.0 mm. On the other hand, the inner circle r is, for example, φ
It is set to 30.0 / π (about φ9.55 mm), and on this outer circle r, S = φ at intervals of d = about 3.0 mm.
Point 2 of 1.5 mm is placed.

Thus, on the circle R or the circle r,
By forming the figure F so that the distances D and d of the plurality of points 1 or the plurality of points 2 are substantially equal to each other, the resolution of the figure F is improved and fine figures can be formed. Since the points 1 and 2 are arranged at equal intervals D and d, even if a large number of points are deleted as described later, the position where they should exist is clear, and the manufacturing year, month, etc. can be easily read. .

Further, N is typically displayed as the number of impositions 3 in the inner circle r which is the center of the figure F. Therefore, the imposition number 3 is represented by N, which is smaller than the circle r, and is formed by, for example, a 14-point Gothic body. This N indicates the number of printed circuit boards on the surface, which is 3, and is actually displayed as a number such as 1, 2, 3, or the like. The surface attachment number 3 is a number given when forming a plurality of small wiring boards on a large printed wiring board. For example, when forming 10 small wiring boards on one large printed wiring board, N is used. Is set to 10. By displaying the imposition number 3 in this way,
If one wiring board has a defect, it is possible to grasp how many boards are the same as this wiring board.

Further, FIG. 3 shows an example in which the figure F is further reduced. As shown, the circle R outside the figure F
Is set to, for example, φ12.0 / π (about φ3.82 mm), and on the outer circle R, points 1 of W = φ1.0 mm are arranged at intervals of D = about 2.0 mm. On the other hand, the inner circle r is, for example, φ7.8 / π (about φ2.48
mm), and on this outer circle r, points 2 of S = φ0.5 mm are arranged at intervals of d = about 1.3 mm. Number of imposition 3 displayed in the center of figure F in FIG.
Is represented by N smaller than the circle r, and is formed by, for example, a 6-point Gothic font. When the figure F is reduced in size in this way, the inner point 2 may be displayed at a position rotated by 15 ° with respect to the outer point 1 in order to achieve high density.

4 and 5 show the meanings of the points 1 and 2 of the figure F displayed. As shown, the inner point 2
Indicates the year of manufacture. For example, from the 1 o'clock position of the clock in the order of clockwise, ○ 1 year (for example, 1991),
○ 2 years, ○ 3 years, ○ 4 years ・ ・ ・ ○○ years (eg 20
00) ... On the other hand, the outer point 1 indicates the month of manufacture. For example, from the 1 o'clock position of the timepiece, in the clockwise order, January, February, March, April ... 10
It shows the months, November and December. The reason that the inside point 2 corresponds to the manufacturing year and the outside point 1 corresponds to the manufacturing month is that the manufacturing month has a higher erasing frequency described later. However, the present invention is not limited to this.
The inner point 2 may correspond to the manufacturing month.

In the present embodiment, since it is assumed that the year of manufacture and the month of manufacture are displayed, twelve points 1 and 2 are arranged on two concentric circles R and r having different diameters. The present invention is not limited to this, and three points are arranged at equal intervals on a larger-diameter concentric circle outside the circle R, and the figure F can be displayed by these three points so that the beginning, middle, and end can be displayed.
May be configured.

As described above, N is typically displayed as the imposition number in the central portion of the figure F. FIG. 6 is an explanatory diagram showing an example of imposition numbers. For example, when forming four small wiring boards from a collective printed wiring board, the number of surface attachments is 1,
2, 3, 4 or A, B, C, D, and the number of surface attachments is determined corresponding to the position (address) of the small wiring board on the collective printed wiring board.

The display at the time of manufacturing by the manufacturing time display method of this printed wiring board is performed as shown in FIG. 7, for example.
As shown in the figure, when the manufacturing of the printed wiring board was started in February 1994, the point 2 inside the hour hand at 4 o'clock of the clock was erased and the point 2 outside the hour hand at 2 o'clock of the clock was deleted. Erase 1. If the printed wiring board is continuously manufactured for 11 months until December 1994,
With the point 2 inside the hour hand 4 o'clock of the clock erased,
The point 1 on the outside of the hour hand of the timepiece from 2 o'clock to 12 o'clock is erased, and the point 1 on the outside of the hour hand of the timepiece of 1 o'clock is displayed.

However, from February 1994 to 1995 1
If the manufacturing of the printed wiring board is continued for 12 months until the month, the point 2 inside the hour hand of the clock at 4 o'clock and 5 o'clock is deleted and the time of the hour hand from 2 o'clock to 1 o'clock is deleted. All points 1 outside of will be erased. Therefore, in such a case, if the number of the points 2 arranged on the inner circle r is 13, the manufacturing month can be displayed for up to 12 months. Point 2 indicating the manufacturing month is 12
This is because if all the points 2 are erased by the continuous manufacturing for 12 months, the manufacturing starting point becomes unclear and the 12th month cannot be discriminated when set to individual pieces.

Next, a display example at the time of manufacturing by the above-mentioned method for displaying at the time of manufacturing the printed wiring board will be described with reference to FIGS. 8 to 11. 8 and 9 show an example of manufacturing a printed wiring board for two months or more within one year, for example.
FIG. 8 shows an example of a case where a printed wiring board is manufactured every month for two months or more within the one year. In Fig. 8 (a), when the manufacturing of printed wiring boards started in October 1993,
It shows that it is imposition. That is, the hour hand 3 of the clock
Point 2 on the inside of the hour position is erased and point 1 on the outside of the hour hand of the clock is erased, whereby FIG. 8A shows October 1993. FIG.
Similarly, (b) shows that the printed wiring board is continuously manufactured from October 1993 to December 1993, and the number of impositions is four.

Next, FIG. 9 shows an example in which there is a month in which the production is suspended within one year. FIG. 9 (a)
Started manufacturing printed wiring boards in October 1993,
It shows that the number of imposition is four. FIG. 9B
Then, production was suspended in November 1993. FIG.
(C) shows that the printed wiring board was manufactured until December 1993, and the number of impositions is four. FIG.
As shown in (c), the production of the printed wiring board was suspended in November 1993, but the point 1 outside the hour hand 11:00 of the clock corresponding to the month in which the production was suspended was also erased. There is. Of course, the minute hands of the clock corresponding to the manufacturing months October 1993 and December 1993 10:00 and 12
Point 1 outside the hour position is also erased. In this case, the point 1 outside the 12 o'clock position of the hour hand corresponding to December 1993 is the last erased point.

FIG. 10 and FIG. 11 show display examples when manufacturing a printed wiring board for two years. FIG.
10A is an example of a case where a printed wiring board is manufactured every month for two years. In FIG. 10A, the manufacturing of the printed wiring board is started in November 1993, and the number of impositions is eight.

FIG. 10B shows the case where the production of the printed wiring board is continued until February 1994 of the following year, and the number of impositions is eight. Thus, from 1993 to 19
Since printed wiring boards are manufactured every month for two years in 1994, the point 2 inside the hour hand of the clock at 3 o'clock and 4 o'clock is erased, and the position of the hour hand from 11 o'clock to 2 o'clock of the clock is deleted. Point 1 outside of is erased.

FIG. 11 shows an example in which a printed wiring board is manufactured for two years, and there is a month in which the manufacturing is interrupted. In FIG. 11A, manufacturing of a printed wiring board was started in November 1993, and the number of impositions is eight.
FIG. 11B shows an example in which the manufacturing of the printed wiring board was discontinued in January 1994. FIG. 11C shows
The printed wiring board was manufactured until February 1994, and the number of imposition is eight. As described above, the printed wiring board is manufactured from 1993 to 1994, but as shown in FIG. 11C, it corresponds to January 1994 when the manufacturing of the printed wiring board was interrupted. The point 1 outside the hour hand 1 o'clock position is also erased. Of course, the point 1 outside the hour hand from 11:00 to 2:00 of the timepiece corresponding to the manufacturing month from November 1993 to February 1994 is also deleted. In this case, the point 1 outside the position of the hour hand 2 o'clock of the timepiece corresponding to February 1994 is the last erased point. Moreover, the point 2 inside the hour hands 3 o'clock and 4 o'clock of the timepiece corresponding to 1993 and 1994 is also erased.

Next, as shown in FIG.
A manufacturing example for displaying the figure F as shown in FIG. As one example of displaying the manufacturing date on the printed wiring board, the shape of the figure F shown in FIG. 1 is drawn on the design drawing. Next, a screen is made using this figure. Every time the manufacturing month and the manufacturing year of the printed wiring board are changed, the opening portion of the figure F having the shape of FIG. 1 formed on the screen is filled with the insulating resin and erased. That is, the opening is an arbitrarily selected portion of points 1 and 2 in FIG. An insulating resin (ink) is printed on a printed wiring board using this screen.

As described above, the year of manufacture, the month of manufacture, etc. can be displayed by deleting the corresponding points, for example, as illustrated in FIGS. 8 to 11 by the deleting method. In this way, the graphic F created as shown in FIGS. 8 to 11 can be displayed on the printed wiring board. It should be noted that in the manufacturer of the printed wiring board, the number of surface attachments may be displayed at the position of "N" by a numeral or an alphabet. A specific display example is as shown in FIG. Another display example

The present invention is not limited to the display method of the above embodiment. For example, using the design drawings described above, unnecessary portions of the copper foil of the copper-clad laminate are removed (for example, etched) by printing or photography. As a result, the figure F in which some of the points forming the figure F in FIG. 1 are removed
Can be displayed on a printed wiring board with copper foil as a conductive material.

In the display method of this embodiment, in the formation of the figure F by the above-mentioned printing method or photography method, a display example by a method of removing an unnecessary portion of the copper foil is shown.
The same applies to the method of adding copper (additive method). That is, by forming a resist film having an opening portion of a figure as shown in the display example at a portion to which copper is added, and then adding copper to the opening portion, for example, as shown in FIG.
The manufacturing year, month, etc. can be displayed by deleting some of the points constituting the figure F. As described above, in the present embodiment, by using the figure in which some of the points forming the figure F in FIG. 1 are erased, a small area of a component such as a printed wiring board, particularly a smaller area of a smaller component, can be used. hand,
It is possible to form fine figures with an insulating material or a conductive material.

As described above, in the embodiment of the present invention, a figure in which some of the points forming the figure F are erased is displayed, and the figure shows the year of manufacture, month of manufacture, etc. of the printed wiring board. If necessary, it is possible to clearly indicate the manufacturing time including the number of imposition.

This graphic can be displayed in a narrow area on the printed wiring board. In addition, when displaying a figure F in which some of the points constituting the figure F are erased in the figure F as shown in FIG. 1, the same tool (screen, film, etc.) is used for one year of manufacturing year, month Etc. can be displayed easily. Further, in the embodiment of the present invention, the figure F
It is easy to change the manufacturing month, year, etc. by changing or updating the shape.

Moreover, the specific information according to the embodiment of the present invention, for example, the display method during manufacturing, can be displayed at a low cost by a simple method. And the manufacturing year on the printed wiring board,
By displaying the month, etc., troubles due to purchase can be prevented, traceability in the event of an accident can be facilitated, and the range of countermeasures can be minimized.

In the embodiment of the present invention, an example is shown in which the manufacturing year, month, etc. of the printed wiring board and the manufacturing time including the number of surface areas of the printed wiring board are displayed. However, the present invention is not limited to this, and the display at the time of manufacturing including the same manufacturing year, month, etc. can be performed on parts other than the printed wiring board. The manufacturing year, month, etc., and the number of printed circuit board impositions are not limited to the display, but at least one or more of the manufacturing year, month, day, second, season, and printed circuit board imposition number may be combined. It is also possible to display it. A film may be used instead of the screen. Further, the figure is not limited to being displayed as a circular point, but points having other shapes may be used.

[0034]

As described above, according to the present invention, it is possible to display specific information of a component or a printed wiring board in a clear and narrow area and use the same tool (screen, film, etc.). It is possible to provide a method of displaying specific information of a component whose display figure can be easily changed or updated and a method of displaying specific information of a printed wiring board.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an example of a graphic displaying a time of manufacturing a component of the present invention.

FIG. 2 is a schematic diagram showing a configuration example of a screen in the present invention.

FIG. 3 is a schematic diagram showing another configuration example of the screen in the present invention.

FIG. 4 is an explanatory diagram showing a display of a manufacturing year in the present invention.

FIG. 5 is an explanatory diagram showing a display of a manufacturing month in the present invention.

FIG. 6 is an explanatory diagram showing the number of surface attachments of a printed wiring board according to the present invention.

FIG. 7 shows a display example at the time of manufacturing in the present invention, (a)
Is an explanatory view at the time of manufacturing start, (b) is an explanatory view in the case of continuously manufacturing for 11 months from the start of manufacturing, and (c) is an explanatory view in the case of continuously manufacturing for 12 months from the start of manufacturing.

FIG. 8 is an explanatory diagram showing a display example in the case where a printed wiring board is manufactured within one year for two months or more, and is manufactured monthly.

FIG. 9 is an explanatory diagram showing a display example in the case where a printed wiring board is manufactured for two months or more within one year, and there is a month in which the manufacturing is interrupted.

FIG. 10 is an explanatory diagram showing a display example in the case where a printed wiring board is manufactured for two years and is manufactured monthly.

FIG. 11 is an explanatory diagram showing a display example in the case where a printed wiring board is manufactured for two years and there is a month in which the manufacturing is interrupted.

[Explanation of symbols]

1 ... Outer point, 2 ... Inner point, 3 ... Number of faces, F ... Figure, R ... Outer circle, r ... Inner circle, W ... Outer diameter of outer point, S ... Outer diameter of inner point, D ... Distance between outer points, d ... Distance between inner points

Claims (10)

[Claims] 1. A method of displaying specific information of a part for displaying specific information of the part, wherein a plurality of marks arranged at regular intervals are formed on a plurality of figures of different sizes. And a step of displaying specific information of the component by erasing a part of the formed mark, thereby displaying the specific information of the component. 2. A plurality of marks, which are arranged at regular intervals, are formed on a plurality of figures of different sizes, a screen is made with the formed marks, and specific information about a printed wiring board is displayed on the screen. A method for displaying specific information on a printed wiring board, which is represented by erasing a part of the formed mark. 3. An opening is formed in the screen by using the mark on the graphic, and by closing the opening, the specific information of the printed wiring board is transferred to one of the marks on the graphic formed on the screen. The method for displaying specific information on a printed wiring board according to claim 2, wherein the method is represented by erasing a part. 4. The method for displaying specific information of a part according to claim 1, wherein the specific information is at the time of manufacturing the part and includes display contents of at least a year and a month. 5. The method for displaying specific information on a printed wiring board according to claim 2, wherein the specific information is at the time of manufacturing the printed wiring board and includes display contents of at least a year and a month. 6. The method for displaying specific information on a printed wiring board according to claim 3, wherein the specific information is at the time of manufacturing the printed wiring board and includes display contents of at least a year and a month. 7. The method for displaying specific information on a printed wiring board according to claim 3, wherein a resin is filled in the opening to erase a part of the mark on the graphic. 8. The method for displaying specific information of parts according to claim 4, wherein the number of impositions of the printed wiring board is displayed at the center of the graphic. 9. The method for displaying specific information on a printed wiring board according to claim 5, wherein the number of surface attachments of the printed wiring board is displayed at the center of the graphic. 10. The method for displaying specific information on a printed wiring board according to claim 6, wherein the number of impositions of the printed wiring board is displayed at the center of the graphic.