TWI768434B - Circuit board information display method and device - Google Patents

Abstract

The present invention provides a circuit board information display method and device, including: providing a circuit board design data, the circuit board design data is arranged with a plurality of preset patterns; providing a processing unit, dividing the circuit board design data into a plurality of waiting A display data area is provided; a display unit is provided to selectively display at least one of the plurality of data areas to be displayed; thereby, the processing delay of the display screen can be improved.

Description

Circuit board information display method and device

The present invention relates to an information display method and device, and more particularly to a circuit board information display method and device for providing circuit board information to users for interpretation.

Press, in the production process of the circuit board, it is roughly divided into main stations such as inner station, lamination station, drilling station, inspection station, etc., first, the circuit board is developed and etched in the inner station, and then Enter into the pressing station for blackening/browning treatment, and perform multiple lamination pressing on the circuit board at the pressing station, and then the pressed circuit board goes to the drilling station for through-hole or blind-hole drilling Finally, the circuit board is sent to the inspection station to inspect the drilling of the circuit board by machine vision.

When the conventional inspection station inspects the drilling of the circuit board, the circuit board information that the user wants to know will be analyzed by the processing unit and displayed to the user through the display unit for interpretation, and the circuit board information includes the circuit board design data. , circuit board defect data...etc. Among them, the user can know the expected value of the number of holes, the size of the holes and the distribution of holes in the circuit board through the circuit board design data; the circuit board defect data is obtained after machine vision inspection. The circuit board measurement data and the circuit board design data are compared and analyzed, and the differences are marked on the circuit board design data. There are no drill holes in the data.

Conventionally, when the user interprets the circuit board information through the display unit, the user will move or zoom the position of the circuit board information in the display unit according to the interpretation requirements, and each time the user moves or zooms the position of the circuit board information in the display unit , the processing unit needs to re-analyze and update the circuit board information, but there are many items to be analyzed in the conventional circuit board information, and the number of holes alone is often hundreds of thousands. In the case of the position, it will make it too late for the processing unit to re-analyze and update the circuit board information, causing the circuit board information to be displayed in the display unit with the display screen processing lag, thereby affecting the smoothness of the user's operation; Specification of the processing unit to improve this situation, but the high specification of the processing unit will also lead to an increase in cost.

In other words, the purpose of the present invention is to provide a circuit board information display method which can improve the display screen processing delay.

Another object of the present invention is to provide a device for implementing the method for displaying information on a circuit board.

The circuit board information display method according to the purpose of the present invention includes: providing a circuit board design data, the circuit board design data is arranged with a plurality of preset patterns; providing a processing unit, dividing the circuit board design data into a plurality of to-be-displayed A data area; a display unit is provided to selectively display at least one of the plurality of data areas to be displayed.

Another object of the present invention is a circuit board information display device, comprising: a device for executing the circuit board information display method.

In the circuit board information display method and device according to the embodiment of the present invention, the processing unit divides the circuit board design data into a plurality of data areas to be displayed, and the display unit only displays a part of the to-be-displayed data areas in the plurality of data areas to be displayed at a time. In the display data area, without changing the specification of the processing unit, the burden of the processing unit can be reduced, and the processing delay of the display screen can be improved. .

Referring to FIG. 1 , the method for displaying circuit board information according to the embodiment of the present invention can be illustrated by the display device A shown in the figure. The display device A is provided with a processing unit A1 and a display unit A2; the display unit A2 and the The processing unit A1 is connected with a signal, and the display unit A2 is used for displaying the circuit board information generated after the analysis by the processing unit A1.

Please refer to FIGS. 2 , 3 and 4 , the display device A can be signal-connected to an imaging device B, and the imaging device B is provided with a camera B1 and a stage B2; the camera B1 is used to photograph a processed image The circuit board W to be tested can obtain an imaged circuit board measurement data T, and the carrier B2 is used for placing the circuit board W to be tested; the camera B1 can be displaced relative to the carrier B2 to obtain a complete picture of the circuit board W. circuit board measurement data T; the processing unit A1 can analyze the circuit board measurement data T and a circuit board design data D; The circuit board design data D has a predetermined boundary D1 surrounding a rectangle, a plurality of predetermined patterns D2 arranged in the predetermined boundary D1, and three are located at three corners of the predetermined boundary D1 and are respectively “ The preset alignment mark D3 of the cross pattern; the preset pattern D2 can be, for example, a drilling pattern, a circuit pattern, etc. to be processed and formed on the relative position of the circuit board W to be tested; in the embodiment of the present invention , the number of the preset patterns D2 arranged in the circuit board design data D is between 1 million and 5 million, but due to the large number of the preset patterns D2, Fig. 2 is only arranged in a matrix A drilling pattern of 9×11 circles represents the preset pattern D2. The preset pattern D2 can be regularly distributed in a matrix arrangement or irregularly distributed with uneven density and density. The shape and size of the preset pattern D2 are different. Constrained to be consistent.

Please refer to FIGS. 4 and 5 , the circuit board W to be tested is rectangular and has an image capturing surface W1 . The image capturing surface W1 is provided with a plurality of processed solid processing patterns W2 and three images located on the image capturing surface W1 . The three corners of the physical alignment marks W3, through the design of the physical processing pattern W2 and the physical alignment marks W3 of the circuit board W to be tested, the circuit board measurement data T also has a pair of corresponding alignment marks The boundary image T1 of the peripheral contour of the image plane W1 and a plurality of processing pattern images T2 corresponding to the physical processing pattern W2 respectively, and three alignment mark images T3 corresponding to the physical alignment mark W3 respectively; please refer to 3 and 5, although the physical processing pattern W2 of the circuit board W to be tested is the result of processing with reference to the predetermined pattern D2 of the circuit board design data D, there will inevitably be defects in processing, so There may be differences between the solid processing pattern W2 and the predetermined pattern D2, such as the vacant portion indicated by the arrow in FIG. 5 .

In the implementation of the method for displaying circuit board information according to the embodiment of the present invention, please refer to FIGS. 6 and 7 . The circuit board information displayed on the display device A is divided into a plurality of pieces of the circuit board design data D by the processing unit A1. Display the data area D4, and use the display unit A2 to selectively display at least one of the to-be-displayed data areas D4 in turn; in the embodiment of the present invention, the processing unit A1 divides the circuit board design data D into 3 ×3 data areas D4 to be displayed that are arranged in a matrix and have the same size, each of the data areas to be displayed D4 is arranged with a plurality of the preset patterns D2, the display unit A2 first displays the data area to be displayed D4 in the upper left corner , and can selectively display other data areas D4 to be displayed in turn according to requirements; wherein, in the data area D4 to be displayed displayed by the display unit A2, the number of the preset patterns D2 that can be displayed does not exceed 80 10,000 (if the preset patterns D2 are irregularly distributed with uneven density, so that the number of the preset patterns D2 in at least one of the display data areas D4 exceeds 800,000, the processing unit A1 will Divide more data areas D4 to be displayed, such as expanding the original 3×3 data areas D4 to be displayed to 4×4 data areas D4 to be displayed, thereby reducing the burden on the processing unit A1); Please refer to FIGS. 3, 4, 8, and 9. The circuit board information displayed by the display device A can also be analyzed by the processing unit A1 after analyzing the difference between the circuit board design data D and the circuit board measurement data T, and then The circuit board design data D is marked with the difference between the circuit board design data D and the circuit board measurement data T, and the display unit A2 displays the marked data area D4 to be displayed; the aforementioned identification and marking differences are not In a display manner, for example, after the processing unit A1 scales the size of the circuit board design data D and the circuit board measurement data T to a predetermined ratio, the predetermined alignment mark D3 of the circuit board design data D is set. It overlaps with the position of the alignment mark image T3 of the circuit board measurement data T, and makes the predetermined boundary D1 of the circuit board design data D correspond to the boundary image T1 of the circuit board measurement data T, so that the The circuit board design data D corresponds to the circuit board measurement data T, and the alignment of the circuit board design data D and the circuit board measurement data T is completed, and the circuit board design data is selected by the box marked D5. There is the preset pattern D2 in D but there is no corresponding processing pattern image T2 in the circuit board measurement data T, then the processing unit A1 divides the circuit board design data D with the mark D5 into 3× There are three data areas D4 to be displayed that are arranged in a matrix manner and have the same size, and the display unit A2 can selectively display the data area D4 to be displayed with the label D5 or other data areas D4 to be displayed in turn as required.

In the circuit board information display method and device according to the embodiment of the present invention, the processing unit A1 divides the circuit board design data D into a plurality of data areas D4 to be displayed, and the display unit A2 only displays a plurality of the data areas D4 to be displayed at a time Part of the data area D4 to be displayed can reduce the burden of the processing unit A1 without changing the specification of the processing unit A1 and improve the processing delay of the display screen.

However, the above are only preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the description of the invention, All still fall within the scope of the patent of the present invention.

A: Display device A1: Processing unit A2: Display unit B: imaging device B1: Camera B2: stage D: circuit board design information D1: Preset Boundary D2: Preset Pattern D3: Preset registration mark D4: Data area to be displayed D5: Label T: circuit board measurement data T1: Boundary image T2: Processed pattern image T3: Alignment Marker Image W: circuit board to be tested W1: image plane W2: Solid machining pattern W3: entity alignment mark

FIG. 1 is a schematic diagram of a circuit board information display device according to an embodiment of the present invention. FIG. 2 is a schematic diagram of the signal connection between the circuit board information display device and the imaging device according to the embodiment of the present invention. FIG. 3 is a schematic diagram of circuit board design data in an embodiment of the present invention. FIG. 4 is a schematic diagram of measurement data of a circuit board in an embodiment of the present invention. FIG. 5 is a schematic diagram of a circuit board in an embodiment of the present invention. FIG. 6 is a schematic diagram of dividing the circuit board design data into a plurality of to-be-displayed data areas according to an embodiment of the present invention. FIG. 7 is a schematic diagram of a display unit displaying one of a plurality of data areas to be displayed in an embodiment of the present invention. FIG. 8 is a schematic diagram of dividing the circuit board design data with labels into a plurality of data areas to be displayed according to an embodiment of the present invention. 9 is a schematic diagram of a display unit displaying a marked data area to be displayed according to an embodiment of the present invention.

A1: Processing unit

A2: Display unit

Claims (10)

A circuit board information display method, comprising: providing a circuit board design data, the circuit board design data is arranged with a plurality of preset patterns, and the preset patterns are patterns to be processed and formed on a relative position of a circuit board to be tested; A processing unit is provided to divide the circuit board design data into a plurality of data areas to be displayed; a display unit is provided to display at least one of the plurality of data areas to be displayed at a time. The method for displaying circuit board information according to claim 1, wherein a plurality of the data areas to be displayed are arranged in a matrix. The method for displaying circuit board information according to claim 1, wherein a plurality of the data areas to be displayed have the same size. The method for displaying circuit board information according to claim 1, wherein the predetermined pattern is a drilling pattern or a circuit pattern. The method for displaying circuit board information as claimed in claim 1, wherein the number of the plurality of preset patterns arranged in the circuit board design data is between 1 million and 5 million. The method for displaying circuit board information according to claim 1, wherein a plurality of the preset patterns are arranged in each of the data areas to be displayed. The method for displaying circuit board information according to claim 6, wherein the data area to be displayed displayed by the display unit has less than 800,000 preset patterns. The circuit board information display method according to claim 1, wherein the processing unit analyzes the difference between the circuit board design data and a circuit board measurement data, and marks the difference on the circuit board design data; the circuit board The measurement data is obtained by photographing the circuit board under test with a camera. The method for displaying circuit board information according to claim 8, wherein the display unit displays the data area to be displayed with a label. A circuit board information display device, comprising: a device for executing the circuit board information display method according to any one of claims 1 to 9.

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