KR101474752B1 - Method and apparatus for setting moving route of bit automatically - Google Patents

Abstract

Disclosed are a method and an apparatus for automatically setting a moving route of a bit to cut a plurality of bridges off a substrate including a plurality of penetrating holes and bridges along a boundary of a unit substrate. The method for automatically setting a moving route of a bit includes: generating images with respect to division regions of the substrate; generating the whole image of the substrate by combining the generated images with each other; setting a cutting order and a cutting direction for the bridges to be cut off the whole image of the substrate; and setting a start point, an end point, and a moving route of the bit by bridges to be cut.

Description

TECHNICAL FIELD [0001] The present invention relates to a method and apparatus for automatically setting a bit shift path,

The present invention relates to a method and apparatus for automatically setting a bit path, and more particularly, to a method of cutting a bridge using a bit to separate a unit substrate from a substrate, And more particularly, to a method and apparatus for precisely and automatically setting a moving path of a bit with respect to all bridges.

2. Description of the Related Art In general, a routing apparatus is an apparatus used for manufacturing a printed circuit board or the like, and is a device for cutting the same pattern formed on a substrate into individual strips. That is, the substrate is formed of a plurality of unit substrate combinations, each unit substrate is interconnected by bridges, and the routing device is a device that carries out the task of manufacturing the necessary unit substrates by cutting the bridges.

Such a routing apparatus is provided with a jig table for fixing the substrate, a bit for separating the unit substrate from the substrate, a spindle motor for rotating the bit at a high speed, and the like. The substrate is fixed to the jig table, So that the routing operation is performed in such a manner that the substrate is appropriately cut.

A technique for separating a unit substrate from a substrate by cutting bridges using bits as described above is disclosed in Korean Patent Registration No. 10-0791323. However, such conventional techniques have a disadvantage in that a bit movement path must be set for each of the bridges, and it is difficult to precisely control the movement path of the bit, so that the bridge is cut to the inside of the unit substrate, There has been a problem that the bridge is cut while a part of the bridge is attached.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of cutting a bridge using a bit in order to separate a unit substrate from a substrate, And a method of precisely and automatically setting a moving route.

Another object of the present invention is to provide an apparatus for precisely and automatically setting a moving path of a bit by using the above method.

According to an aspect of the present invention, there is provided a method of automatically setting a bit movement path for cutting bridges in a substrate having a plurality of through holes and a plurality of bridges formed along a boundary of a unit substrate according to an embodiment of the present invention The method includes the steps of: creating an image for the divided areas of the substrate; merging the generated images to produce an image of the entire substrate; determining the cutting order of the bridges to be cut and the cutting direction And setting a starting point, an end point, and a moving path of the bit as coordinates for each bridge to be cut.

Wherein generating the image comprises generating an image such that the divided regions of the substrate overlap, and wherein generating the image of the entire substrate includes removing and merging the overlapping regions of the images to produce an image of the entire substrate Step.

The step of generating the image may be a step of generating an image in the zigzag direction with respect to the divided regions of the substrate.

Wherein the step of setting the cutting order and the cutting direction comprises the steps of: setting a first bridge to be cut and a bridge to be cut last, and a step of cutting the first bridge to be cut from the first bridge to the last bridge to be cut, And setting the bit to move in a clockwise direction.

The method of automatically setting a bit movement path includes the steps of: determining whether a movement path of the bit is erroneous by displaying a movement path of the set bit on an image of the entire substrate, and when there is an error in the movement path, And resetting the movement path for the bridge related to the movement path to the coordinates.

Wherein the step of setting the movement path as a coordinate includes forming a first circle in contact with a through hole formed at one end of the bridge to be cut and a first boundary line that is a boundary between the unit substrates, A first boundary line connecting the first boundary line and the center point of the first circle at a first contact where the first circle is in contact with the first circle and a second line connecting the second boundary line, Forming a second straight line connecting a center line of the second circle at a second contact point at which the boundary line is in contact with the second circle, setting a first bit center point at which the center of the bit is to be located using the first straight line Setting a second bit center point at which the center of the bit will be located using the second straight line and setting the first bit center point as the starting point, Setting the end point, and may include the step of connecting the center point and the first bit and the second bit center point setting a route to the center of movement of the bit.

Wherein the step of setting the movement path sets a movement path of the bit so that the center of the bit moves along a straight line connecting the first bit center point and the second bit center point when the movement path of the bit is a straight line Lt; / RTI >

Wherein the step of setting the movement path comprises the steps of: when the difference between the angle between the first boundary line and the reference line and the angle between the second boundary line and the reference line is within a linear critical range or the difference between the first straight line and the second straight line And determining that the movement path of the bit is a straight line when the angle between the straight line and the straight line is within the linear threshold range.

The step of setting the movement path may include using a distance between the first bit center point and the second bit center point at an intersection point where the first straight line and the second straight line meet and meet when the movement path of the bit is a curve Thereby setting the movement path of the bit.

Wherein the step of setting the movement path comprises the steps of: when the difference between the angle between the first boundary line and the reference line and the angle between the second boundary line and the reference line is within a curved critical range or the first straight line and the second straight line And determining that the movement path of the bit is a curve when the angle between the curves is within the curve critical range.

Wherein the step of setting the movement path sets the movement path of the bit using the original equation when the distance from the intersection point to the first bit center point and the distance from the intersection point to the second bit center point are equal And setting the movement path of the bit using the ellipse equation when the distance from the intersection point to the first bit center point and the distance from the intersection point to the second bit center point are different from each other.

Wherein the step of setting the first bit center point comprises setting a point at which the first bit center point moves by a radius of the bit at the first contact point along a straight line connecting the center point of the first circle and the first tangent line And the step of setting the second bit center point sets a point shifted by the radius of the bit at the second contact point along the straight line connecting the center point of the second circle and the second tangent point to the second bit center point Lt; / RTI >

According to another aspect of the present invention, there is provided a method of automatically setting a bit movement path for cutting bridges in a substrate having a plurality of through holes and a plurality of bridges formed along a boundary of a unit substrate, An image merging unit for merging the generated images to generate an image of the entire substrate, and an image merging unit for merging the generated images to form an image of the cutting edges of the bridges to be cut, And a path setting unit that sets a starting point, an end point, and a moving path of the bit for each of the bridges to be cut, as coordinates.

A method and an apparatus for automatically setting a moving path of a bit according to an embodiment of the present invention are used for cutting a bridge using a bit to separate a unit substrate from a substrate, There is an advantage in that the movement path of the bit for the entire bridges can be automatically set without setting a separate bit movement path for each bridge by setting the movement path of the bit, the cutting order and the cutting direction. In addition, according to the technical idea of the present invention, a method and apparatus for automatically setting a moving path of a bit can cut a bridge precisely not only linearly but also curvedly along a boundary of a unit substrate, There is an advantage that the unit substrate of the shape can be separated.

BRIEF DESCRIPTION OF THE DRAWINGS A brief description of each drawing is provided to more fully understand the drawings recited in the description of the invention.
1 is a view showing the shape of a substrate including a plurality of unit substrates.
2 is a flowchart illustrating a method of automatically setting a moving path of a bit according to an embodiment of the present invention.
3 is a block diagram of an apparatus for automatically setting a bit path for performing the method of FIG.
Figs. 4 and 5 are views for explaining the steps of Fig. 2 when each component of the bit path automatic setting apparatus of Fig. 3 is explained.
FIG. 6 is a flowchart of an embodiment of a method of performing step S240 of FIG. 2 in the routing unit of FIG. 3. FIG.
7 is a flowchart of a bit shift path setting method in the case where the bit shift path is a straight line in the embodiment of FIG.
Figs. 8 to 11 are diagrams for explaining each step of Fig. 7. Fig.
12 is a flowchart of a bit shift path setting method in the case where the movement path of the bit is a curve in the embodiment of FIG.
Figs. 13 to 16 are diagrams for explaining each step of Fig. 12. Fig.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

FIG. 1 is a view showing a shape of a substrate 110 including a plurality of unit substrates 120.

Referring to FIG. 1, the substrate 110 includes at least one unit substrate 120, and the apparatus used to separate the unit substrate 120 from the substrate 110 is a routing apparatus. That is, a plurality of through holes H and at least one bridge BR are formed on the substrate 110 along the boundary of the unit substrate 120, and the unit substrate 120 and the substrate The unit board 120 can be separated from the board 110 by removing the bridges BR connecting the board 110. [ In order to remove the bridges (BRs), the routing device includes bits, and bits can cut the bridges (BR) to separate the unit substrates 120 from the substrate 110. Although FIG. 1 illustrates the case where three unit substrates 120 are formed on the substrate 110, the present invention is not limited to this case, and a different number of unit substrates 120 may be formed on the substrate 110 The unit substrate 120 can be easily and precisely separated from the substrate 110 by automatically setting the movement path of the bit by using the method described below. In addition, the shape of the unit substrate 120 is not limited to the shape shown in FIG. 1, and may have various other shapes.

FIG. 2 is a flowchart of a method for automatically setting a path for moving a bit according to an embodiment of the present invention, and FIG. 3 is a block diagram of a bit path automatic setting apparatus 300 for performing the method of FIG. 2 . 4 and 5 are diagrams for explaining the steps of FIG. 2 for the respective components of the automatic bit-path-setting apparatus 300 of FIG.

Referring to FIGS. 1 to 5, the image generating unit 310 may generate an image for the divided regions of the substrate 110 (S210). For example, an image can be generated by photographing the divided regions of the substrate 110 using a camera. The image generating unit 310 may generate an image by dividing the divided regions of the substrate 110 without overlapping regions or may generate an image such that the divided regions of the substrate 110 are overlapped. 4 shows a case where an image is generated so that the divided regions of the substrate 110 overlap. 4, the image generating unit 310 may generate an image 410 so that the divided regions are sequentially superimposed along the arrow. That is, the image generating unit 310 may generate an image in the zigzag direction (direction along arrow) with respect to the divided regions of the substrate 110 as shown in FIG. For example, when a camera is used as shown in FIG. 4, the camera captures an area 410 and generates an image. Then, an area 420 is photographed to generate an image. Each divided area shown by a dotted line is photographed Can be generated. However, FIG. 4 shows a case where an image is generated according to an embodiment of the technical idea of the present invention, and the image generating method of the present invention is not limited to the embodiment of FIG. That is, if an image can be generated for all of the sub-areas of the substrate, the image may be generated using various other methods or according to various other routes.

When the image generating unit 310 generates an image for the divided regions of the substrate 110, the image merging unit 320 merges the generated images to generate an image of the entire substrate (S220). For example, if the image generating unit 310 generates the image so that the images of the divided regions of the substrate 110 overlap with each other, the overlapping regions of the images are removed and merged to form the image of the entire substrate 110 Images can be generated.

When the image merging unit 320 generates an image of the entire substrate 110, the path setting unit 330 may set the cutting order and the cutting direction of the bridges to be cut in the image of the substrate 110 (S230). For example, when an image of the substrate 110 is generated as shown in FIG. 5, the cutting order of the bridges to be cut can be set as shown in FIG. 5, and the cutting direction of the bridges to be cut is also set to the arrow direction shown in FIG. . The cutting direction of the bridges to be cut may be defined as a vector. In one embodiment of the method for setting the cutting order and the cutting direction of the bridges to be cut, the path setting unit 330 sets the bridge to be cut first (for example, the display portion (1) in Fig. 5) It is possible to set the bridge to be finally cut (for example, a portion indicated by the numeral 9 in Fig. 5) and set the bit to move clockwise or counterclockwise from the bridge to be cut first to the bridge to be finally cut. For example, FIG. 5 shows a case where the bit is set to move clockwise from the bridge (1) to be cut first to the bridge (9) to be cut. However, the present invention is not limited to this case, and the cutting order and the cutting direction of the bridges to be cut can be set by various other methods.

In the embodiment of FIG. 5, the cutting order and the cutting direction of the bridges to be cut are set in one unit substrate 120 of the substrates 110, but the present invention is not limited to this case, The cutting order and the cutting direction of the bridges to be cut may be set for each of the substrates.

In addition, the path setting unit 330 may set the start point, the end point, and the movement path of the bit as the coordinates for each bridge to be cut (S240). That is, the path setting unit 330 sets the path of the bit for cutting the bridge to be precise so that the shape of the unit substrate 120 can be exactly matched with the intended shape by controlling the bit precisely, . A method of setting the movement path of the bit will be described in more detail with reference to FIG. 6 to FIG.

Steps S230 and S240 may be performed simultaneously, and step S230 may be performed first, step S240 may be performed, or step S240 may be performed first, and step S230 may be performed.

When the path of the bit is set in the path setting unit 330, the error detector 340 displays the path of the set bit on the image of the entire substrate 110 to determine whether the path of the bit is erroneous . If there is an error in the set path, the path setting unit 330 may reset the path for the bridge related to the faulty path.

Hereinafter, with reference to FIGS. 6 to 16, a method of setting the path of the bit in the path setting unit 330 for precise cutting of the bridge will be described.

FIG. 6 is a flowchart of an embodiment of a method of performing the step S240 of FIG. 2 in the path setting unit 330 of FIG.

1 to 6, the path setting unit 300 first connects the through holes H formed at one end of the bridge BR (for example, the through holes formed on the left side of the bridge BR) A through hole H (for example, a through hole formed on the right side of the bridge BR) formed at one end of the bridge BR and a through hole H 120) (S610). In this case, as shown in FIG. A first boundary line connecting the center line of the first circle at a first contact point where the first boundary line and the first circle are in contact with each other and a second line connecting the second boundary line and the second circle point at a second contact point, The second straight line connecting the center points of the first straight line (S620). Next, a first bit center point at which the center of the bit is located may be set using the first straight line, and a second bit center point at which the center of the bit may be located using the second straight line (S630) (Step S640). In step S640, the center of the bit is shifted by connecting the first bit center point and the second bit center point.

The steps described above can set the movement path using a part of the through holes formed at both ends of the bridge and the image photographed to include the bridge. For example, each step may be represented by coordinates on the image, and the finally set travel path may be represented by coordinates so that the bit is located at an actual location that matches the coordinates.

Hereinafter, a method of dividing a path of the bit by a straight line and a case of a curve to set the path of the bit will be described in more detail.

FIG. 7 is a flowchart of a bit shift path setting method in the case where the movement path of the bit is a straight line in the embodiment of FIG. 6, and FIGS. 8 to 11 are views for explaining each step of FIG.

Hereinafter, a method of setting a path for moving a bit when the bit path is a straight line will be described with reference to FIGS. 1 to 11. FIG. 8 is an enlarged view of only the bridge BR to be removed. The image shown in FIG. 8 may be an image generated by the image generating unit 310, an image representing only the bridge portion of the merged image in the image merging unit 320, or an image obtained by enlarging the images . 8 shows a case where the through holes H1 and H2 are formed at both ends of the bridge BR and the unit direction of the unit substrate 120 is the upward direction.

The first boundary line CL1, which is the boundary between the through hole H1 formed at one end of the bridge BR and the unit substrate 120, as shown in Fig. 9, And a second boundary line CL2 that is a boundary between the through hole H2 formed at the other end of the bridge BR and the unit substrate 120 can be set and the first boundary line CL1 in contact with the first boundary line CL1 can be set. And a second circle 510_2 in contact with the second boundary line CL2 (S310). For example, the first circle 910_1 may be a circle formed to be in contact with the first boundary line CL1 with respect to an arbitrary center point, or may be a circle formed so as to contact the boundary of the first through hole H1, May be a circle formed so as to contact the first boundary line CL1 along the curved surface of one end of the base line BR. Likewise, for example, the second circle 910_2 may be a circle formed to contact the second boundary line CL2 with respect to an arbitrary center point, or may be a circle formed to be accurately inserted into the second through hole H2, May be a circle formed so as to be in contact with the second boundary line CL2 along the curved surface at the other end. The first circle 910_1 and the second circle 910_2 may be formed by various other methods and the first circle 910_1 and the second circle 910_2 may be formed by the first boundary line CL1 and the second boundary line 910_2, The method of forming the first circle 910_1 and the second circle 910_2 is not limited to the present invention as long as it is formed so as to be in contact with the boundary line CL2.

After forming the first circle 910_1 and the second circle 910_2, the first straight line L1 and the second contact point 910_1 connecting the center point C1 of the first circle 910_1 at the first contact point P1 A second straight line L2 connecting the center point C2 of the second circle 910_2 to the center line C2 of the second circle 910_2 may be formed at step S720. The first contact point P1 is a point at which the first boundary line CL1 contacts the first circle 910_1 and the second contact point P2 is a point at which the second boundary line CL2 contacts the second circle 910_2 . The first contact point P1, the second contact point P2, the center point C1 of the first circle 910_1 and the center point C2 of the second circle 910_2 may be represented by coordinates.

When the first straight line L1 and the second straight line L2 are formed, the first bit center point BC1 at which the center of the bit is to be located is set using the first straight line L1, The second bit center point BC2 at which the center of the bit is to be located can be set (S730). For example, in step S730, the first bit center point BC1 is set as a point shifted by the radius of the bit at the first contact point P1 along the first straight line L1, and the second straight line L2 The second bit center point BC2 can be set to a point shifted by the radius of the bit at the second contact point P2. With this setting, the positions of the bits can be set so that the bits are accurately contacted to the first boundary line CL1 and the second boundary line CL2.

After setting the first bit center point BC1 and the second bit center point BC2, the center of the bit is shifted along the straight line connecting the first bit center point BC1 and the second bit center point BC2, (Step S740). That is, in step S730, the position of the bit is set so that the bit is in contact with the first boundary line CL1 and the second boundary line CL2, and the movement path of the bit is a straight line, The bit 1110 is set so that the center of the bit moves along a straight line connecting the second bit center point BC2 and the second bit center point BC2, It is possible to accurately remove the bridge BR along the boundary.

Whether the movement path of the bit is a straight line may be set through an external input, or it may be determined whether the movement path of the bit is a straight line in the middle of setting the movement path of the bit. For example, when the angle between the first boundary line CL1 and the reference line and the difference between the angle between the second boundary line CL2 and the reference line are within the linear critical range, it is determined that the movement path of the bit is a straight line . The straight line critical range means a range in which the angle between the first boundary line CL1 and the reference line and the difference between the angle between the second boundary line CL2 and the reference line are close to 0 degrees or close to 180 degrees . For example, when the straight line critical range is set to 0 to 10 degrees and 170 to 180 degrees, the angle between the first boundary line CL1 and the reference line and the angle between the second boundary line CL2 and the reference line When the difference falls within this range, it is possible to determine that the movement path of the bit is a straight line. The reference line may be a straight line having a predetermined angle. For example, the reference line may be set to a straight line that is perpendicular to the first boundary line CL1 or a straight line that meets at a specific point with the first boundary line CL1 have. As another example, when the angle between the first straight line L1 and the second straight line L2 is within the above-mentioned straight line critical range, it may be determined that the movement path of the bit is a straight line. The straight line critical range means a range in which the angle between the first straight line L1 and the second straight line L2 is close to 0 degrees or close to 180 degrees. For example, when the straight line threshold range is set to 0 to 5 degrees and 175 to 180 degrees, if the angle between the first straight line L1 and the second straight line L2 falls within this range, The path can be determined as a straight line. The above-described straight line critical range may be set differently depending on how much the accuracy of the bridge cutting is to be set. However, the present invention is not limited to the above examples, and it is possible to determine whether the path of the bit is a straight line through various other methods.

FIG. 12 is a flowchart of a bit shift path setting method in a case where the movement path of the bit is a curve in the embodiment of FIG. 6, and FIGS. 13 to 16 are views for explaining each step of FIG.

Hereinafter, a method of setting a path for moving the bit when the movement path of the bit is a curve will be described with reference to FIGS. 1 to 6 and 12 to 16. FIG. Fig. 13 is an enlarged view of only the portion of the bridge BR to be removed. The image shown in FIG. 13 may be an image generated by the image generating unit 310, an image in which only the bridge portion of the merged image is expressed by the image merging unit 320, or an image obtained by enlarging the images . 13 shows the case where the through holes H1 and H2 are formed at both ends of the bridge BR and the unit substrate 120 is downwardly directed.

The first boundary line CL1, which is the boundary between the through hole H1 formed at one end of the bridge BR and the unit substrate 120, as shown in Fig. 14, And the second boundary line CL2 which is the boundary between the through hole H2 formed at the other end of the bridge BR and the unit substrate 120 can be set and the first boundary 1412_1 in contact with the first boundary line CL1 can be set. And a second circle 1410_2 in contact with the second boundary line CL2 (S1210). For example, the first circle 1410_1 may be a circle formed to be in contact with the first boundary line CL1 with respect to an arbitrary center point, or may be a circle formed to contact the boundary of the first through hole H1, May be a circle formed so as to contact the first boundary line CL1 along the curved surface of one end of the base line BR. Similarly, for example, the second circle 1410_2 may be a circle formed to contact the second boundary line CL2 with respect to an arbitrary center point, or may be a circle formed to be accurately inserted into the second through hole H2, May be a circle formed so as to be in contact with the second boundary line CL2 along the curved surface at the other end. The first circle 1410_1 and the second circle 1410_2 may be formed by various other methods and the first circle 1410_1 and the second circle 1410_2 may be formed by the first boundary line CL1 and the second boundary line 1410_2, The method of forming the first circle 1410_1 and the second circle 1410_2 is not limited to the present invention as long as it is formed so as to be in contact with the boundary line CL2.

After the first circle 1410_1 and the second circle 1410_2 are formed, the first straight line L1 and the second contact point 1410_1 connecting the center point C1 of the first circle 1410_1 at the first contact point P1 The second straight line L2 connecting the center point C2 of the second circle 1410_2 to the second straight line L2 may be formed at step S1220. The first contact point P1 is a point at which the first boundary line CL1 contacts the first circle 1410_1 and the second contact point P2 is a point at which the second boundary line CL2 contacts the second circle 1410_2 . The first contact point P1, the second contact point P2, the center point C1 of the first circle 1410_1 and the center point C2 of the second circle 1410_2 may be expressed in coordinates.

When the first straight line L1 and the second straight line L2 are formed, the first bit center point BC1 at which the center of the bit is to be located is set using the first straight line L1, The second bit center point BC2 at which the center of the bit is to be located can be set (S1230). For example, in step S1230, the first bit center point BC1 is set as a point shifted by the radius of the bit at the first contact point P1 along the first straight line L1, and the second straight line L2 The second bit center point BC2 can be set to a point shifted by the radius of the bit at the second contact point P2. With this setting, the positions of the bits can be set so that the bits are accurately contacted to the first boundary line CL1 and the second boundary line CL2.

After setting the first bit center point BC1 and the second bit center point BC2, the first bit center point BC1 and the second bit center point BC2 at the intersection PC where the first straight line L1 and the second straight line L2 extend and meet, The path of the bit can be set using the distance to the second bit center point BC2 (S1240).

The distance from the intersection PC where the first straight line L1 and the second straight line L2 extend to the first bit center point BC1 is R1 and the distance between the first straight line L1 and the second straight line L2 is R1, And the distance from the intersection PC to the second bit center point BC2 is R2. In this case, if R1 and R2 are the same, the movement path of the bit can be set using the original equation. If R1 and R2 are different, the movement path of the bit can be set using the ellipse equation. That is, in step S1230, the position of the bit is set so that the bit is correctly contacted to the first boundary line CL1 and the second boundary line CL2, and the movement path of the bit is the same as the original equation or the equation of the ellipse The bit 1610 can accurately remove the bridge BR along the boundary of the unit substrate 120 as shown in FIG.

Whether the movement path of the bit is a curve may be set through an external input, or it may be determined whether the movement path of the bit is a curve in the middle of setting the movement path of the bit. For example, when the angle between the first boundary line CL1 and the reference line and the difference between the angle between the second boundary line CL2 and the reference line are within the curve critical range, it is determined that the movement path of the bit is a curve . The curve critical range means a range in which the angle between the first boundary line CL1 and the reference line and the difference in angle between the second boundary line CL2 and the reference line are not close to 0 or 180 degrees. For example, when the curve critical range is set at 10 to 170 degrees, the angle between the first boundary line CL1 and the reference line and the angle difference between the second boundary line CL2 and the reference line fall within this range It can be determined that the movement path of the bit is a curve. The reference line may be a straight line having a predetermined angle. For example, the reference line may be set to a straight line that is perpendicular to the first boundary line CL1 or a straight line that meets at a specific point with the first boundary line CL1 have. As another example, when the angle between the first straight line L1 and the second straight line L2 is within the curve critical range, it may be determined that the movement path of the bit is a curve. The curved critical range means a range in which the angle between the first straight line L1 and the second straight line L2 is not close to 0 degrees or 180 degrees. For example, if the curve critical range is set to 5 to 175 degrees, if the angle between the first straight line L1 and the second straight line L2 falls within this range, the path of the bit is determined to be a curve . The curve critical range may be set to a value that does not overlap with the linear critical range described above. The above-mentioned curve critical range may be set differently depending on how much the accuracy of the bridge cutting is set. However, the present invention is not limited to the above-described method of determining whether the movement path of the bit is a curve, and it is possible to determine whether the movement path of the bit is a curve through various other methods.

When the method and apparatus according to one embodiment of the present invention described above are used, the positions of bridges for separating the unit substrate 120 from the substrate 110 can be automatically confirmed through the image, It is possible to automatically set the cutting order, the cutting direction, and the cutting path (the movement path of the bit) of the bridges so that all the bridges of the substrate 110 are automatically removed without setting the coordinates for cutting by the bridges .

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (22)

A method for automatically setting a path of a bit for cutting bridges in a substrate in which a plurality of through holes and a plurality of bridges are formed along a boundary of a unit substrate,
Generating an image for the divided regions of the substrate;
Merging the generated images to produce an image of the entire substrate;
Setting a cutting order and a cutting direction of bridges to be cut in the image of the entire substrate; And
And setting the start point, the end point, and the movement path of the bit as a coordinate for each bridge to be cut,
Wherein the step of setting the movement path as coordinates comprises:
A through hole formed in one end of the bridge to be cut and a first circle in contact with a first boundary line which is a boundary between the unit substrate and a through hole formed in the other end of the bridge and a second boundary line Forming a binary circle;
A first boundary line connecting a center point of the first circle at a first contact point where the first boundary line and the first circle are in contact with each other and a second straight line connecting the center point of the second circle point at a second contact point, Forming a second straight line connecting the center points;
Setting a first bit center point at which the center of the bit will be located using the first straight line and setting a second bit center point at which the center of the bit will be located using the second straight line; And
Setting the first bit center point as the starting point, setting the second bit center point as the end point, and connecting the first bit center point and the second bit center point to set the movement path of the center of the bit Wherein the step of automatically setting the bit movement path comprises: 2. The method of claim 1, wherein generating the image comprises:
Generating an image such that the divided regions of the substrate overlap,
Wherein the step of generating an image of the entire substrate comprises:
And removing the overlapping regions of the images and merging them to generate an image of the entire substrate. 2. The method of claim 1, wherein generating the image comprises:
And generating an image in a zigzag direction with respect to the divided regions of the substrate. 2. The method of claim 1, wherein the setting of the cutting order and the cutting direction comprises:
Setting a bridge to be cut first and a bridge to be finally cut out of the bridges to be cut; And
And setting the bit to move in a clockwise or counterclockwise direction from the first bridge to the last bridge to be cut. 2. The method of claim 1,
Determining whether a movement path of the bit is erroneous by displaying the movement path of the set bit on the image of the entire substrate; And
And resetting the movement path for the bridge related to the faulty movement path to coordinates when there is an error in the movement path. delete 2. The method as claimed in claim 1,
And setting the movement path of the bit so that the center of the bit moves along a straight line connecting the first bit center point and the second bit center point when the movement path of the bit is a straight line. How to set the path automatically. 8. The method of claim 7, wherein the step of setting the movement path comprises:
When an angle between the first boundary line and the reference line and an angle between the second boundary line and the reference line are within a linear critical range or when an angle between the first straight line and the second straight line is within the linear critical range And determining that the movement path of the bit is a straight line if the bit path is a straight line. 2. The method as claimed in claim 1,
When the movement path of the bit is a curve, a path of the bit is set by using the distance between the first bit center point and the second bit center point at an intersection point where the first straight line and the second straight line meet and meet Wherein the step of automatically setting the bit movement path comprises the steps of: 10. The method as claimed in claim 9,
Wherein the angle between the first boundary line and the reference line and the angle between the second boundary line and the reference line are within the curve critical range or when the angle between the first straight line and the second straight line is within the curve critical range , Determining that the path of the bit is a curve. 10. The method as claimed in claim 9,
Setting a movement path of the bit using the original equation when the distance from the intersection point to the first bit center point and the distance from the intersection point to the second bit center point are the same; And
And setting the movement path of the bit using the elliptic equation when the distance from the intersection point to the first bit center point and the distance from the intersection point to the second bit center point are different from each other, How to set the route automatically. The method of claim 1, wherein the setting of the first bit center point comprises:
Setting a first bit center point as a point shifted by a radius of the bit at the first contact along a straight line connecting the center point of the first circle and the first tangent line,
Wherein the step of setting the second bit center point comprises:
And setting a second bit center point as a point shifted by a radius of the bit at the second contact point along a straight line connecting the center point of the second circle and the second tangent line, Way. An apparatus for automatically setting a movement path of a bit for cutting bridges in a substrate in which a plurality of through holes and a plurality of bridges are formed along a boundary of a unit substrate,
An image generating unit for generating an image with respect to the divided regions of the substrate;
An image merging unit for merging the generated images to generate an image of the entire substrate; And
And a path setting unit for setting a cutting order and a cutting direction of bridges to be cut in the image of the entire substrate and setting a start point, an end point, and a moving path of the bits for each of the bridges to be cut,
Wherein the path setting unit comprises:
A through hole formed in one end of the bridge to be cut and a first circle in contact with a first boundary line which is a boundary between the unit substrate and a through hole formed in the other end of the bridge and a second boundary line Forming a two-circle,
A first boundary line connecting a center point of the first circle at a first contact point where the first boundary line and the first circle are in contact with each other and a second straight line connecting the center point of the second circle point at a second contact point, Forming a second straight line connecting the center points,
A first bit center point at which the center of the bit is located and a second bit center point at which the center of the bit is located using the second straight line,
Setting the first bit center point as the starting point, setting the second bit center point as the end point, and connecting the first bit center point and the second bit center point to set the movement path of the center of the bit And a bit shift path automatic setting device. 14. The image processing apparatus according to claim 13,
Generating an image such that the divided regions of the substrate overlap,
Wherein the image merging unit comprises:
Wherein an overlapping area of the overlapping images is removed and merged to generate an image of the entire substrate. 14. The image processing apparatus according to claim 13,
And the image is generated in the zigzag direction with respect to the divided regions of the substrate. 14. The apparatus according to claim 13,
A first bridge to be cut and a bridge to be finally cut are set among the bridges to be cut and the bit is set to move clockwise or counterclockwise from the bridge to be cut first to the bridge to be cut last. A bit shift path automatic setting device. 14. The apparatus of claim 13, wherein the bit shift path automatic setting device comprises:
Further comprising an error detector for determining whether the bit path is erroneous by displaying the movement path of the set bit on the image of the entire substrate,
Wherein the path setting unit comprises:
And resetting the movement path for the bridge related to the faulty movement path to coordinates when there is an error in the movement path. delete 14. The apparatus according to claim 13,
Sets a movement path of the bit so that the center of the bit moves along a straight line connecting the first bit center point and the second bit center point when the movement path of the bit is a straight line,
When the movement path of the bit is a curve, a path of the bit is set by using the distance between the first bit center point and the second bit center point at an intersection point where the first straight line and the second straight line meet and meet And a bit shift path automatic setting device. 20. The apparatus according to claim 19,
When an angle between the first boundary line and the reference line and an angle between the second boundary line and the reference line are within a linear critical range or when an angle between the first straight line and the second straight line is within the linear critical range And determines that the movement path of the bit is a straight line when the angle between the first boundary line and the reference line and the angle between the second boundary line and the reference line are within the curve critical range, And determines that the movement path of the bit is a curve when the angle between the first straight line and the second straight line is within the curve critical range. 20. The apparatus according to claim 19,
If the path of the bit is a curve, if the distance from the intersection point to the first bit center point and the distance from the intersection point to the second bit center point are the same, the path of the bit is set using the original equation And if the distance from the intersection to the first bit center point and the distance from the intersection point to the second bit center point are different from each other, then the bit path is set using the ellipse equation. Device. 14. The apparatus according to claim 13,
Sets a first bit center point at a point shifted by a radius of the bit at the first contact point along a straight line connecting the center point of the first circle and the first tangent line, And sets a point at which the radius of the bit moves from the second contact point along the straight line connecting the tangent line to the second bit center point.

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