TWI472741B - Auxiliary Alignment Method and Its System - Google Patents

Description

Auxiliary alignment method of test object and its system

The present invention relates to an auxiliary alignment method and system thereof for a test object, and more particularly to a method and system for assisting in identifying a position of a specific feature of a test object on the object to be tested in a detection process of the electronic industry.

In the electronics industry, electronic components such as printed circuit boards are first tested using an Automatic Optical Inspection (AOI) to detect defects on the surface of the printed circuit board. Generally, the printed circuit board It can be a flexible printed circuit board having a plurality of pieces, a rigid printed circuit board, a wafer, etc., because the quality of each component is directly related to whether each of the components can function normally after the electronic component is disposed, and thus the printed circuit board is Quality testing is a very important part.

Wherein, after the automatic optical detection system completes the detection of the printed circuit board, the relevant detection result of the component detected on the object to be tested is transmitted to a rechecking station, and then by the rechecking station The re-inspection device confirms whether the detection result is a real defect or only a misjudgment of the automatic optical detection system by manual interpretation, so as to perform a specific position print-off of the component by manual or machine after confirming as a real defect. In the case where the electronic component is subsequently disposed in a surface adhesion technique (SMT), the defective component is excluded.

Furthermore, in the above detection procedure, only the defective component in the first side of the printed circuit board can be processed, but in practice, there is a defect. The trapped component is required to be printed on both sides to avoid the electronic component being placed relative to the second side of the first side of the coated pin, however, the printout for the second side is still manually To perform, specifically, the operator needs to find the position of the component on the second surface according to the position of the component having defects on the first surface, to mark or directly mark the specific point thereof, but the manual is only performed manually. In the way of alignment, when the number of components located on the printed circuit board is increased or the shape is asymmetrical, it is easy to cause marking errors, missing marks, etc., and it is quite time consuming in operation, resulting in a large lack of detection procedures. .

Therefore, the present invention provides an auxiliary alignment method and system thereof for the object to be tested, which can assist the operator to easily and quickly recognize the position of the specific position on the first surface of the object to be tested corresponding to the second surface. In order to reduce the operator's working time, it can be further applied to the alignment of specific parts on the first side and the second side of the object to be tested in a specific program, thereby improving the efficiency of the production line.

An object of the present invention is to provide an auxiliary alignment method and a system thereof for the object to be tested, which can assist the operator in easily and quickly identifying the first side and the second corresponding to the defect in the object to be tested in the detection program. The corresponding position in the surface can improve the efficiency of the production line.

To achieve the above and other objects, the present invention provides an auxiliary alignment method for a test object for assisting in identifying a position of a specific feature in a test area of a test object, the auxiliary alignment method comprising: providing Have a treatment One of the unit and a display module assists the alignment system, and the processing unit is electrically connected to the display module; the processing unit receives a feature message including the specific feature; and causes the processing unit to generate a corresponding message according to the feature message An identification message is displayed, and the identification message is displayed in a specific area of the display module, wherein the specific area corresponds to the area to be tested.

To achieve the above and other objects, the present invention provides an auxiliary alignment system for a test object for assisting in identifying a position of a specific feature in a test area of a test object, the auxiliary alignment system including a process Unit and a display module. The processing unit is configured to receive a feature message including the specific feature to generate an identifier message; the display module is electrically connected to the processing unit, and the display module is configured to display in a specific area thereof. The identification message, wherein the specific area corresponds to the area to be tested.

In one embodiment, the feature message includes a detection result and a control message, and the detection result is provided by a detecting device or a recheck device, and the control message is provided by an input module.

In one embodiment, the detection result includes at least one of a specific location and a defect location of the object to be tested, and the control message includes at least one of a size, a shape, and a layout of the object to be tested.

In one embodiment, the display module is a display screen, and the display method of the identification message is illuminated at a specific pixel position on the display screen.

In one embodiment, the detecting device or the rechecking device generates a detection result about a first side of the object to be tested, and the processing unit generates a first image corresponding to the first surface of the object to be tested. Two sides of the logo message.

In one embodiment, the detecting device or the rechecking device generates a detection result about a first side of the object to be tested, and the processing unit generates an identification message about the first side of the object to be tested and An identification message corresponding to the second side of the first side.

In one embodiment, the processing unit further includes a switch for switching the display module to display at least one of an identification message of the first side of the object to be tested and an identification message of the second side.

In one embodiment, the display screen displays a cross-positioning mark having a color distribution or a gray-scale change that gradually changes from the center to the object to be tested. A positioning hole is positioned to position the object to be tested.

In one embodiment, the display module further includes at least one positioning component disposed on the display module, and the positioning component is configured to correspond to at least one positioning hole of the object to be tested to locate the object to be tested.

Thereby, the auxiliary alignment method and the system thereof of the present invention use the processing unit and the display module to assist the operator in easily and quickly identifying the specific feature of the object to be tested in the detection program. The corresponding position on the first side and the second side of the corresponding object can improve the efficiency of the production line.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings. Please refer to FIG. 1 and FIG. 3 , which are functional block diagrams of the auxiliary alignment system of the object to be tested according to an embodiment of the present invention, and FIG. 2 and FIG. 3 show the auxiliary alignment of the object to be tested. A schematic diagram of the system performing a specific feature alignment. In FIG. 1 , the auxiliary alignment system 10 is configured to assist in identifying a position of a specific feature of a to-be-tested object on the object to be tested, and the auxiliary alignment system 10 includes: a processing unit 12 And a display module 14. The display module 14 is for viewing by an operator.

The processing unit 12 is configured to receive a feature message Sin including the specific feature, and the processing unit 12 executes a software program to generate an identification message, wherein the specific feature includes, for example, a detection result, and the detection result is It may be provided by a detecting device (not shown) or a rechecking device (not shown), wherein the detecting result may include at least one of a specific position or a defect position on the object to be tested.

The display module 14 is electrically connected to the processing unit 12, and the display module 14 is configured to display the identification message in a specific area thereof, wherein the specific area corresponds to the area to be tested of the object to be tested, wherein the The area to be tested may be only a partial area on the object to be tested or all areas on the object to be tested. For example, if the area of the area to be tested is smaller than the area of the object to be tested, the specific area The area is smaller than the area of the object to be tested. If the area of the area to be tested is equal to the area of the object to be tested, the area of the specific area is equal to the area of the object to be tested.

In this embodiment, the feature message Sin includes the detection result and a control message, and the control message is provided by an input module (not shown). The input module can generate the control message through an operator input setting, and the control message can include, for example, the size and shape of the object to be tested. Information on at least one of the typesetting.

Specifically, as shown in FIG. 2, the present embodiment is exemplified by a printed circuit board 3 having a plurality of pieces 32, and each of the members 32 is provided with a slot 34. The area of the area to be tested 31 may be less than or equal to the area of the printed circuit board 3. The size and shape of the object to be tested may be the size and shape of each component 32 or the size and shape of the printed circuit board 3; the typesetting may be a typesetting of the components 32 on the printed circuit board 3. For example, the number and arrangement of the components 32; the specific position on the object to be tested may be the position of the specific component 32 on the printed circuit board 3, and the defect location of the object to be tested may be detected by the detecting device The location of the component 32 having defects on the printed circuit board 3 is located.

Returning to FIG. 1 , the identification message can be recognized by the human eye. For example, the display module 14 can be an LED light board or a display screen. Wherein, if the input module generates the control message, and the detecting device or the rechecking device generates a detection result about the first side of the object to be tested, the processing unit 12 can have the control message according to the The characteristic message Sin of the detection result generates an identification message about the first side of the object to be tested and an identification message corresponding to the second side of the first side, that is, the display module 14 can be used to display the first The at least one of the identification information of the one side and the identification information about the second side, the processing unit 12 may also generate only the identification information corresponding to the second side of the first surface of the object to be tested, and then display In the display module 14.

Specifically, as shown in FIG. 2, referring to FIG. 1 together, the display module 14 has a frame 142 and one of the display areas 144 defined to display the firefly. As an example, the detection result includes a position of the component 32 detected by the detecting device on a first surface 36 of the printed circuit board 3 having a defect, and the input module inputs the printing via an operator. After the control message is generated by the size, shape and layout of the circuit board 3, the processing unit 12 receives the feature message Sin having the control message and the detection result, and executes the software program to correspondingly generate the information about the printed circuit board 3. An identification message of a side 36 and an identification message corresponding to the second side 38 of the first side 36, the manner in which the identification message is displayed is illuminated at a particular pixel location on the display area 144 to present a color block 30, such as A red block or the like, and the shape of the color block 30 is the same as each of the members 32.

For example, when the area of the area to be tested 31 is equal to the area of the printed circuit board 3, it can be displayed in the specific area 1442 of the same size of the area surrounded by the boundary of the printed circuit board 3 in the display area 144. Defective position of the first face 36 of the printed circuit board 3 for the operator to compare the defective component 32 when the printed circuit board 3 is correspondingly placed on the display screen, where the printed circuit is first used The second surface 38 of the board 3 is attached to the surface of the display area 144 and corresponds to the position of the specific area 1442. At this time, as shown in FIG. 3, the color block 30 will have a corresponding transmission through the printed circuit board 3. The slot 34 around the defective component 32 is revealed, i.e., the defective component 32 is surrounded by a color different from the printed circuit board 3 for viewing by the operator. The above steps allow the operator to easily and The component 32 having defects is quickly identified and confirmed to be in the position of the first face 36, and the operator can print the pin directly to the first face 36 of the printed circuit board 3. Wherein, the area of the color block 30 is slightly larger than each of the components 32. The area of the color block 30 can still be exposed by the slot 34 around the defective component 32 for viewing by the operator when the printed circuit board 3 covers a particular area 1442 of the display area 144. .

Furthermore, the processing unit 12 can execute the software program, and according to the position of the component 32 having the defect on the first surface 36, the processing unit is reversed and the component 32 having the defect is correspondingly located on the second surface. The identification message at the position of 38 is illuminated by a particular pixel location on the display area 144 to present a color block 30, where the first side 36 of the printed circuit board 3 is attached to the surface of the display area 144 and Corresponding to the position of the specific area 1442, at this time, the color block 30 is exposed through the slot 34 around the corresponding defective component 32 on the printed circuit board 3, that is, the defective component 32 is printed with the defect. The circuit board 3 is surrounded by a different color for viewing by the operator. The above steps allow the operator to immediately recognize and confirm that the defective component 32 is located at the second face 38, improving the conventional operator's The result of the test is to find the defective component 32 one by one for printing and coating.

Wherein, the identification message may also be exposed by a blinking or other eye-recognisable manner to a slot around the component 32 having the defect on the printed circuit board 3 or a slot at a specific position adjacent to the defective component 32. It is easy for the operator to observe and identify.

In an embodiment, the processing unit 12 further includes a switch (not shown) for switching to select the display module to display the identification information of the first side of the object to be tested and the identifier of the second side. At least one of the messages.

In an embodiment, the display screen can be used to display a cross position a mark (not shown) having a color distribution or a gray scale change gradually changing from the center to the at least one positioning hole of the object to be tested, so that the object to be tested is placed on When the display screen is aligned, the cross positioning mark can be partially displayed by the positioning hole for the operator to observe, and the position of the object to be tested can be identified by the color or gray scale distribution of the cross positioning mark. The position of the display screen further determines the direction in which the object to be tested needs to be moved, so that the object to be tested is placed in an appropriate position to accurately perform the alignment mark of the object to be tested, thereby avoiding blocking the screen when the object to be tested is placed. The positioning flag is displayed to cause difficulty in positioning.

It should be noted that before the processing unit is provided for use by the operator, the relative adjustment between the number of pixels and the actual distance should be performed, so that the size of the identification message displayed on the display module is equivalent to the object to be tested. Actual size.

Furthermore, in an embodiment, the display module 14 can further include at least one positioning member (not shown), and the positioning member can be a cross mark describing the position of the positioning hole or can be used to describe the object to be tested. The locating member is disposed on the display module 14 , for example, on the frame 142 of the display screen for corresponding to the object to be tested. At least one positioning mark is used to position the object to be tested on the display module 14 so that the object to be tested is placed on the display module, and each of the positioning marks can be correspondingly disposed on each of the positioning members to enable the object to be tested. The test object is placed in an appropriate position to accurately perform the alignment mark of the particular feature.

Please refer to FIG. 4, which is a flow chart of the steps of the auxiliary alignment method of the object to be tested according to an embodiment of the present invention. As shown in the figure, the auxiliary pair of the object to be tested The bit method is used to assist in identifying a position of a specific feature of a test object on the object to be tested.

The auxiliary alignment method starts from step S31, and provides an auxiliary alignment system having a processing unit and a display module, and the processing unit is electrically connected to the display module.

Next, in step S32, the processing unit receives a feature message including one of the specific features.

Step S33, the processing unit correspondingly generates an identification message according to the feature information, and displays the identification message in a specific area of the display module for the operator to recognize and mark the specific feature in the On the object to be tested, the specific area corresponds to the area to be tested.

In summary, the auxiliary alignment method and system of the object to be tested according to the present invention utilizes a processing unit and a display module to assist an operator in easily and quickly identifying a specific feature of the object to be tested in the detection program. The corresponding position in the first surface and the second surface corresponding to the object to be tested achieves the effect of improving the efficiency of the production line.

The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the present invention. Equivalent variations and permutations are intended to be encompassed within the scope of the invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

10‧‧‧Auxiliary registration system

12‧‧‧Processing unit

14‧‧‧Display module

142‧‧‧Border

144‧‧‧ display area

1442‧‧‧Specific areas

3‧‧‧Printed circuit board

30‧‧‧Color block

31‧‧‧Down area

32‧‧‧ Parts

34‧‧‧Slots

36‧‧‧ first side

38‧‧‧ second side

S31, S32, S33‧‧‧ steps

Sin‧‧‧Characteristics

1 is an auxiliary alignment system of a test object according to an embodiment of the present invention The function block diagram.

FIG. 2 is a schematic diagram of the object to be tested being aligned by the auxiliary alignment system according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of the object to be tested being aligned by the auxiliary alignment system according to an embodiment of the present invention.

FIG. 4 is a flow chart showing the steps of the auxiliary alignment method of the object to be tested according to an embodiment of the present invention.

S31, S32, S33‧‧‧ steps

Claims (14)

An auxiliary alignment method of the object to be tested is used for assisting in identifying the position of a specific feature in a test area of a test object, the auxiliary alignment method comprising: providing one of a processing unit and a display module An auxiliary alignment system, the processing unit is electrically connected to the display module; the processing unit receives a feature message including the specific feature; and causes the processing unit to generate an identification message according to the feature message, and in the display mode The identification information is displayed in a specific area of the group for the position of the specific feature to be compared when the object to be tested is placed on the display module, wherein the specific area corresponds to the area to be tested. The auxiliary alignment method according to claim 1, wherein the characteristic message includes a detection result and a control message, and the detection result is provided by a detecting device or a rechecking device, and the control message is Provided by an input module. The auxiliary alignment method according to claim 2, wherein the detection result includes at least one of a specific position and a defect position of the object to be tested, and the control message includes a size and a shape of the object to be tested. And at least one of the typesetting. The auxiliary alignment method of claim 1, wherein the display module is a display screen, and the display method of the identification message is illuminated at a specific pixel position on the display screen. The auxiliary alignment method of claim 2, wherein the detecting device or the rechecking device generates a first side of the object to be tested The detection result is generated, and the processing unit generates an identification message corresponding to the second side of the first surface of the object to be tested. The auxiliary alignment method of claim 2, wherein the detecting device or the rechecking device generates a detection result about a first side of the object to be tested, and the processing unit generates The identification message of the first side and the identification message corresponding to the second side of the first side. An auxiliary alignment system of a test object for assisting in identifying a location of a specific feature in a test area of a test object, the auxiliary alignment system comprising: a processing unit for receiving the specific feature a feature message correspondingly generates an identification message; and a display module electrically connected to the processing unit, and the display module is configured to carry the object to be tested and display the identification message in a specific area thereof for the When the object is placed on the display module, the position corresponding to the specific feature is compared, wherein the specific area corresponds to the area to be tested. The auxiliary alignment system of claim 7, wherein the characteristic message comprises a detection result and a control message, and the detection result is provided by a detecting device or a rechecking device, and the control message is Provided by an input module. The auxiliary alignment system of claim 7, wherein the display module is a display screen. The auxiliary alignment system according to claim 8, wherein the detecting device generates a detection result about a first side of the object to be tested, and the processing unit generates, regarding the object to be tested, corresponding to the One of the first side The second side of the identification message. The auxiliary alignment system of claim 8, wherein the detecting device or the rechecking device generates a detection result about a first side of the object to be tested, and the processing unit generates The identification message of the first side and the identification message corresponding to the second side of the first side. The auxiliary alignment system of claim 11, wherein the processing unit further comprises a switch for switching the display module to display the identification information of the first side of the object to be tested and the second side Identify at least one of the messages. The auxiliary alignment system of claim 9, wherein the display screen displays a cross-positioning mark having a color distribution or a gray scale change gradually changing from the center thereof, the cross The positioning mark is configured to correspond to at least one positioning hole of the object to be tested to locate the object to be tested. The auxiliary alignment system of claim 7, wherein the display module further comprises at least one positioning component disposed on the display module.