JP2000011012A - Three-dimensional display device of printed board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a three-dimensional display device of a printed board improving operability so as to display 3D wiring board. SOLUTION: The 3D display device is constituted of a graphic input part 1 for inputting graphic data, a data base storage part 4 for storing graphic data, a data processing part 3 for executing the processing of data read out from the input part 1 or the storage part 4, a 3D data processing part 7 for converting data into 3D data when 3D data are instructed, and a display part 2 for outputting various information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional display device for a printed circuit board, and more particularly to a CAD for a printed circuit board.
The present invention relates to a three-dimensional printed circuit board display device that three-dimensionally displays a perspective view of a wiring state inside a substrate in a system.

[0002]

2. Description of the Related Art With the increase in density of printed circuit boards, wiring patterns are becoming thinner, and vias connecting between wiring layers are not limited to through-type vias but also to IVH (Interstitial).
1 Via Hole), build-up vias and the like are becoming increasingly used. FIG.
FIG. 3 is an explanatory diagram of various wiring boards. Here, two types (a) and (b) are shown.

FIG. 1A shows a process of forming vias between insulating layers, connecting upper and lower layers, forming a conductive pattern on the surface of the insulating layer, and forming an insulating layer thereon. It builds up. Each layer is electrically connected via a via. On the other hand, the substrate shown in (b) has a conductive pattern and a via formed on a double-sided substrate, and a plurality of substrates are pressed to form a multilayer substrate. The substrate in this case is also
Each layer is electrically connected by a via.

FIG. 9 is a conceptual diagram of a conventional apparatus. In the figure, reference numeral 1 denotes a graphic input unit for inputting data required for design by an input device such as a keyboard and a mouse, and 2 denotes a CR.
This is a display unit for displaying a function menu and data under design on a display screen such as T. The display unit 2 has a built-in two-dimensional data display unit 5 for displaying two-dimensional data. The two-dimensional data display unit 5 displays the design data of the printed circuit board in a two-dimensional (flat) window as a window, and performs processing such as selection of a figure, wiring and correction on this screen.

Reference numeral 3 denotes a data processing unit on which an application program of the printed circuit board CAD operates, and reference numeral 4 denotes a database storage unit in which CAD data is stored. In the system configured as described above, CAD (graphic) data input from the graphic input unit 1 is stored in the database storage unit 4 after undergoing predetermined processing by the data processing unit 3. The data processing unit 3 processes the graphic data stored in the database storage unit 4 and
To display the two-dimensional substrate.

As described above, the conventional printed circuit board CA
In the D system, design is performed by displaying data under design on the display unit 2 in two dimensions and operating the displayed graphic data with a mouse or the like. Here, the two-dimensional image displayed on the display unit 2 is a view of the printed circuit board as viewed from above or below. When it is desired to view the wiring state of each layer, the display of each layer is switched on / off. Thus, the wiring state of the target layer is displayed.

[0007]

In the conventional system described above, the display of the design data on the display section is displayed in two dimensions. Also, when trying to view vias present in different layers at the same coordinates from the top or bottom, the vias are displayed in an overlapping manner, making it difficult to confirm which layer has the via. Also, in order to display vias of a certain layer, it was necessary to turn on / off the display of each layer. Furthermore,
When wiring is performed, it is necessary to switch on / off the display of each layer in order to check which wiring layer has a space where wiring can be performed, which is very troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a three-dimensional printed circuit board display device capable of displaying a three-dimensional wiring board and having improved operability. And

[0009]

The present invention for solving the above-mentioned problems comprises: (1) a graphic input unit for inputting graphic data, a database storage unit for storing graphic data, and a graphic input unit or database storage unit. The data processing unit includes a data processing unit that processes read data, a three-dimensional data processing unit that converts data into three-dimensional data when three-dimensional data is specified, and a display unit that outputs various information. It is characterized by becoming.

According to the configuration of the present invention, the operability can be improved by displaying a three-dimensional wiring board. (2) In this case, the three-dimensional information displayed on the display unit is a perspective view of wiring patterns, vias, component arrangements, and wiring states.

According to the structure of the present invention, the wiring pattern
A perspective view of vias, component arrangements, and wiring states can be observed in a three-dimensional display. (3) It is characterized by comprising an interconversion means capable of interconversion between a two-dimensional figure and a three-dimensional figure.

According to the structure of the present invention, two-dimensional display and two-dimensional display of a two-dimensional and three-dimensional printed circuit board can be mutually performed, and operability can be improved.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention. The same thing as FIG.
The same reference numerals are given. In the figure, reference numeral 1 denotes a graphic input unit for inputting data required for design using an input device such as a keyboard and a mouse, and 2 denotes a display unit for displaying a function menu and data under design on a display screen such as a CRT. . The display unit 2 includes a two-dimensional data display unit 5 for displaying two-dimensional data and a three-dimensional data display unit 6 for displaying three-dimensional data. The two-dimensional data display unit 5 and the three-dimensional data display unit 6 for displaying three-dimensional data are specifically windows. That is, in this case, the display unit 2 is operated in a multi-window. The two-dimensional data display unit 5 displays the design data of the printed circuit board in two dimensions (plane), and performs processes such as selection of a figure, wiring, and correction on this screen.

Reference numeral 3 denotes a data processing unit on which an application program of the printed circuit board CAD operates, and reference numeral 4 denotes a database storage unit for storing CAD data. Reference numeral 7 denotes a three-dimensional data processing unit which is connected to the graphic input unit 1 and the data processing unit 3 and converts a two-dimensional graphic into a three-dimensional graphic. The operation of the device configured as described above will be described below.

When the apparatus shown in the figure is used as a CAD development system, a printed circuit board drawing is usually drawn while the graphic data from the database storage unit 4 is displayed on the two-dimensional data display unit 5. The determined graphic information is stored in the database storage unit 4. Here, when it becomes necessary to perform three-dimensional display, the operator switches the display unit 2 to three-dimensional display. As a result, the display unit 2 displays a three-dimensional printed wiring board diagram of the target area.

FIG. 2 is a diagram illustrating a comparison between two-dimensional data display and three-dimensional data display. (A) is a two-dimensional data display, 〜 is a via, and 〜 is a wiring pattern. Vias overlap with vias, and the relationship is difficult to understand in two-dimensional display. Similarly, the wiring patterns are also overlapped, and it is difficult to understand the relationship in the two-dimensional display. Therefore, when the three-dimensional display is performed as shown in (b), the relationship between the via and the via,
And the relationship between the pattern and the pattern.

FIG. 3 is a flowchart showing the flow of the processing of the present invention. Each application specifies a display range and requests the three-dimensional data processing unit 7 to perform a three-dimensional display when it is necessary to perform three-dimensional display (S1). Upon receiving a three-dimensional display request from each application, the data processing unit 3 searches the database storage unit 4 for graphic data existing in the designated range (S2), and converts the searched plurality of layers of graphic data into three-dimensional data. The data is sent to the data processing unit 7 (S3).

The three-dimensional data processing unit 7 converts the sent graphic data into three-dimensional display data (S4). Thereafter, the three-dimensional data processing unit 7 sends the three-dimensional display data to the three-dimensional data display unit 6 for display (S5).

Here, as shown in FIG. 2B, the three-dimensional information displayed on the three-dimensional data display unit 6 is a wiring pattern, via, arrangement of components, a perspective view of a wiring state, and the like. . According to this, it is possible to observe a perspective view of the wiring patterns, vias, component arrangements, and wiring states in a three-dimensional display.

FIG. 4 is a flowchart for converting two-dimensional data into three-dimensional data. The data processing unit 3 extracts graphic data existing in the designated area from the database storage unit 4 (S1). Here, the data to be extracted includes all the graphics existing on the layer for which three-dimensional display is desired.

Next, the data processing section 3 sends the extracted data (two-dimensional data), the thickness of each layer and the thickness of the same layer to the three-dimensional data processing section 7 (S2). Here, the thickness of the layer and the thickness of the same body are set in advance as parameters.
The three-dimensional data processing unit 7 determines the existing three-dimensional display library (for example, OpenGL, Direct 3D) from the received two-dimensional graphic data, layer thickness, and body thickness.
Etc.) to create three-dimensional graphic data in a format that matches the data format (S3). 3D data processing unit 7
When the functions of the three-dimensional display library are called, the data obtained in step S3 is applied as arguments of these functions. As a result, the graphic is displayed on the three-dimensional data display unit 6.

FIG. 5 is a diagram showing an example of conversion into three-dimensional data. When the thickness between one layer and two layers is h, the coordinates (x,
It is assumed that a hole having a radius r penetrating between the first and second layers existing at the position y) is converted into three-dimensional data. Coordinates (x, y, -h) when one layer is the origin of the z-axis in a three-dimensional coordinate system
Can be expressed as a column having a height h and having a circle having a radius r as a bottom surface.

According to this embodiment, operability can be improved by displaying a three-dimensional wiring board. FIG. 6 is a diagram showing a display example of the three-dimensional data display unit 6. This figure is a diagram showing an example of a main screen in a display screen displayed on a display according to an embodiment of the present invention by a halftone photograph. The colors of the patterns and vias are different for each layer. The white pattern is currently being created. According to the configuration of the present invention, the three-dimensional information to be displayed on the display unit is a perspective view of the layout of wiring patterns, vias, and components, and the wiring state. Arrangement,
A perspective view of the wiring state can be displayed in three dimensions.

The three-dimensional data processing section 7 has a known function of three-dimensional graphic figure processing as described below. Enlargement / reduction, movement, rotation of figure Movement of viewpoint, rotation Setting of color Setting of light source Setting of material Wireframe model, solid model display Cross section Bird's eye view Next, a specific embodiment will be described.

(Embodiment 1) Three-dimensional display in pattern wiring and correction work FIG. 7 shows a display example of a two-dimensional data display unit. This figure shows an example of a main screen in a display screen displayed on a display according to an embodiment of the present invention with a halftone photograph. In this two-dimensional display, the colors such as patterns are changed for each layer and displayed. During the wiring and repair work of the printed circuit board on the two-dimensional data display unit 5, the design data and the rubber band (the wiring pattern temporarily drawn on the drawing) of the place where the wiring and repair are performed are three-dimensionally performed in real time. The data is displayed on the data display unit 6.

The wiring and the corrected data input from the graphic input unit 1 are passed to the data processing unit 3 to update the database storage unit 4, and at the same time, are displayed on the two-dimensional data display unit 5. Further, the data processing unit 3 sends data to the three-dimensional data processing unit 7, and the three-dimensional data processing unit 7 creates three-dimensional display data and displays it on the three-dimensional data display unit (window) 6.

(Embodiment 2) Error display Various rule checks are performed during the design, and the error location is displayed on the three-dimensional data display unit 6 by blinking or changing the color. The data processing unit 3 performs a rule check, and the graphic in which an error has occurred is displayed as a blink or error color on the two-dimensional data display unit 5 at the same time that the database storage unit 4 is updated. Further, the data processing unit 3 sends the data to the three-dimensional data processing unit 7, and the three-dimensional data processing unit 7 creates three-dimensional error display data and displays the data on the three-dimensional data display unit 6 as a blink or an error color. .

(Embodiment 3) Area designation three-dimensional display In the two-dimensional data display part 5, an area to be three-dimensionally displayed on the whole or a part of the printed circuit board is designated, and the designated area is designated by three.
Three-dimensional display is performed on the dimensional data display unit 6. The operator designates an area to be displayed by parameter setting or cursor instruction from the graphic input unit 1. The data processing unit 3
A figure present in the designated area is searched from the database storage unit 4 and data is sent to the three-dimensional data processing unit 7. The three-dimensional data processing unit 7 creates three-dimensional display data and displays it on the three-dimensional data display unit 6.

(Embodiment 4) Confirmation of Figure Selection A figure is selected on the two-dimensional data display section 5 and the figure selected on the three-dimensional data display section 6 is blinked or changed in color to determine which figure is displayed. Check that it is selected.
A figure is designated by the figure input unit 1 and the figure selected by the data processing unit 3 is displayed as a blink or a selected color on the two-dimensional data display unit 5 at the same time that the database storage unit 4 is updated.

Further, the data processing unit 3 sends data to the three-dimensional data processing unit 7, and the three-dimensional data processing unit 7 creates three-dimensional selection display data.
It is displayed on the dimensional data display unit 6 as a blink or a selected color.

(Fifth Embodiment) Graphic Selection on Three-Dimensional Display Screen A graphic element is selected on the three-dimensional data display part 6, and the selected graphic element is operated on the two-dimensional data display part 5 side. Perform The graphic input unit 1 designates the graphic displayed on the three-dimensional data display unit 6 and the selected graphic is sent to the three-dimensional data processing unit 7, and the three-dimensional data processing unit 7 outputs the three-dimensional selection display data. It is created and displayed on the three-dimensional data display unit 6 as a blink or a selected color. Further, the data is sent to the data processing unit 3, and the data in the database storage unit 4 is updated. At the same time, the data is displayed on the two-dimensional data display unit 5 as a blink or a selected color.

(Embodiment 6) Part shape display The part shape data (vertical, horizontal,
By sending the height, etc.) to the three-dimensional data processing unit 7, the component shape is three-dimensionally displayed together with the wiring pattern of the printed circuit board.

(Embodiment 7) Display of Case Shape By sending shape data (length, width, height, etc.) of a case for housing a printed circuit board from the database storage unit 4 to the three-dimensional data processing unit 7. , The shape of the housing together with the printed circuit board
Dimensional display. Thus, when the component is mounted on the printed circuit board and attached to the housing, it is possible to confirm in a three-dimensional display whether the component and the housing do not collide with each other.

According to the present invention, a figure is selected on the two-dimensional data display unit 5 and displayed on the three-dimensional data display unit 6,
Alternatively, on the contrary, a figure is selected on the three-dimensional data
It can also be displayed on the dimensional data display unit 5. For this purpose, the data processing unit 3 and the three-dimensional data processing unit 7 need to operate in cooperation.

According to this, the two-dimensional display and the three-dimensional display of the two-dimensional and three-dimensional printed circuit boards can be mutually performed, and the operability can be improved.

[0036]

As described above, according to the present invention, (1) a graphic input unit for inputting graphic data, a database storage unit for storing graphic data, a graphic input unit or a database storage unit A data processing unit for processing data read from the memory, a three-dimensional data processing unit for converting data into three-dimensional data when three-dimensional data is instructed, and a display unit for outputting various information By doing so, it is possible to display a three-dimensional wiring board, thereby improving operability.

(2) In this case, the three-dimensional information displayed on the display unit is a perspective view of the wiring patterns, vias, component arrangements, and wiring states, so that the wiring patterns, vias, component arrangements, The perspective view of the wiring state can be observed in a three-dimensional display.

(3) By providing an interconversion means capable of interconversion between a two-dimensional figure and a three-dimensional figure,
Two-dimensional display and three-dimensional display of a three-dimensional and three-dimensional printed circuit board can be mutually performed, and operability can be improved.

As described above, according to the present invention, it is possible to provide a three-dimensional display device for a printed circuit board with improved operability by displaying a three-dimensional wiring substrate.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a diagram illustrating a comparison between two-dimensional data display and three-dimensional data display.

FIG. 3 is a flowchart showing a flow of processing of the present invention.

FIG. 4 is a flowchart for converting from two-dimensional to three-dimensional data.

FIG. 5 is a diagram showing an example of conversion into three-dimensional data.

FIG. 6 is a diagram illustrating a display example of a three-dimensional display unit.

FIG. 7 is a diagram illustrating a display example of a two-dimensional display unit.

FIG. 8 is a configuration diagram of various wiring boards.

FIG. 9 is a conceptual diagram of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Graphic input part 2 Display part 3 Data processing part 4 Database storage part 5 Two-dimensional data display part 6 Three-dimensional data display part 7 Three-dimensional data processing part

Claims (3)

[Claims] A graphic input unit for inputting graphic data; a database storage unit for storing graphic data; a data processing unit for processing data read from the graphic input unit or the database storage unit; A three-dimensional display device for a printed circuit board, comprising: a three-dimensional data processing unit for performing a process of converting data into three-dimensional data when it is performed; and a display unit for outputting various information. 2. The three-dimensional information displayed on the display unit is:
The three-dimensional display device according to claim 1, wherein the three-dimensional display device is a perspective view of a wiring pattern, vias, component arrangement, and a wiring state. 3. An apparatus according to claim 1, further comprising an interconversion means capable of interconversion between a two-dimensional figure and a three-dimensional figure.
A three-dimensional display device for a printed circuit board as described in the above.