1. An apparatus for grinding a substrate, comprising:
a stage part configured to support a substrate thereon;
a grinding part that includes a grinding wheel configured to grind an edge of the substrate;
a camera part configured to take a picture of the grinding wheel, analyze the picture of the grinding wheel and generate information about the grinding wheel;
a replacing part that includes a spare grinding wheel, wherein the replacing part is configured to provide the spare grinding wheel to the grinding part or pick up the grinding wheel from the grinding part; and
a control unit configured to receive the grinding wheel information from the camera part and offset compensate a position of the grinding wheel on the basis of the grinding wheel information or communicate with the replacing part to replace the grinding wheel on the basis of the grinding wheel information.
2. The apparatus of claim 1, wherein the stage part is configured to move along a y-axis direction and the grinding part is configured to move along an x-axis direction and a z-axis direction.
3. The apparatus of claim 1, wherein the grinding part is connected to one x-axis transfer unit.
4. The apparatus of claim 3, wherein each of the grinding wheel and the spare grinding wheel comprises a rough grinding groove and a finish grinding groove.
5. The apparatus of claim 1, wherein the camera part comprises:
a camera that is configured to take the picture of the grinding wheel; and
a backlight disposed facing the camera and configured to provide a light to the camera.
6. The apparatus of claim 5, wherein the camera, the grinding wheel, and the backlight are sequentially disposed in a straight line substantially parallel to the y-axis.
7. The apparatus of claim 1, wherein the replacing part is configured to be operated in a replacement mode or a standby mode on the basis of the grinding wheel information.
8. The apparatus of claim 7, wherein the replacing part comprises:
a replacing plate configured to be rotated with reference to a z-axis as its rotation axis;
a replacing table disposed on the replacing plate and configured to move along a y-axis direction; and
a holder disposed on the replacing table and configured to hold the spare grinding wheel.
9. The apparatus of claim 8, wherein the replacing table is configured such that the replacing table is disposed inside a process space, in which the substrate is ground, during the replacement mode and disposed outside the process space during the standby mode.
10. The apparatus of claim 9, wherein the replacing plate is configured to be rotated about 180 degrees about the z-axis as its rotation axis when the replacement mode is changed to the standby mode.
11. The apparatus of claim 1, wherein the grinding part comprises:
a first grinding part that includes a rough grinding wheel; and
a second grinding part that includes a finish grinding wheel.
12. The apparatus of claim 11, wherein the first grinding part and the second grinding part are connected to a same x-axis transfer unit.
13. The apparatus of claim 12, wherein the first grinding part and the second grinding part are connected to separate z-axis transfer units.
14. A method of grinding a substrate, comprising:
loading a substrate;
taking a picture of a grinding wheel and analyzing the picture of the grinding wheel to generate information about the grinding wheel;
checking whether the grinding wheel is required to be replaced or not on the basis of the grinding wheel information;
offset compensating a position of the substrate and the grinding wheel on the basis of the grinding wheel information; and
grinding an edge of the substrate.
15. The method of claim 14, further comprising replacing the grinding wheel.
16. The method of claim 15, wherein the replacing of the grinding wheel comprises:
discharging the grinding wheel; and
providing a spare grinding wheel.
17. An apparatus for grinding a substrate, comprising:
a stage part which includes a stage configured to support a substrate thereon and a stage body fixed to the stage;
a lower frame supporting the stage part, wherein the stage body is disposed between the stage and the lower frame;
a grinding part that includes a grinding wheel configured to grind an edge of the substrate, a spindle operatively connected to the grinding wheel and configured to pivot the grinding wheel along a z-axis direction, a grinding chuck connecting the spindle and the grinding wheel to each other, and a spindle transfer;
an x-axis transfer unit configured move in an x-axis direction which is perpendicular to the z-axis direction, wherein the x-axis transfer unit includes an x-axis shaft operatively connected to the spindle transfer, an x-axis motor which is configured to rotate the x-axis shaft, and an x-axis guide rail which is configured to guide movement of the spindle transfer along the x-axis direction;
a camera part including a camera configured to take a picture of the grinding wheel, analyze the picture of the grinding wheel and generate information about the grinding wheel, a backlight facing the camera and configured to provide light to the camera, and a camera supporter, wherein the camera and the backlight are spaced apart from each other and are disposed on the camera supporter;
a replacing part that includes a spare grinding wheel, wherein the replacing part is configured to provide the spare grinding wheel to the grinding part or pick up the grinding wheel from the grinding part;
a control unit configured to receive the grinding wheel information from the camera part and offset compensate a position of the grinding wheel on the basis of the grinding wheel information or communicate with the replacing part to replace the grinding wheel on the basis of the grinding wheel information;
an upper frame supporting the grinding part and the replacing part; and
a column frame disposed between the upper frame and the lower frame at a position corresponding to an end portion of the lower frame and the upper frame.
18. The apparatus of claim 17, further comprising a z-axis transfer unit configured to move in the z-axis direction, wherein the z-axis transfer unit includes a z-axis shaft operatively connected to the spindle transfer, a z-axis motor which is configured to rotate the z-axis shaft, and a z-axis guide rail which is configured to guide movement of the spindle transfer along the z-axis direction.
19. The apparatus of claim 18, further comprising a y-axis transfer unit configured to move in a y-axis direction which is perpendicular to the z-axis direction, wherein the y-axis transfer unit includes a y-axis shaft operatively connected to the stage body, a y-axis motor which is configured to rotate the y-axis shaft, and a y-axis guide rail which is configured to guide movement of the stage body along the y-axis direction.
20. The apparatus of claim 18, wherein at least one of the x-axis shaft or the z-axis shaft includes a ball screw having a ball shaped thread which is coupled to the spindle transfer.
21. The apparatus of claim 17, wherein each of the grinding wheel and the spare grinding wheel comprise a rough grinding groove and a finish grinding groove, wherein the rough grinding groove has a depth smaller than a depth of the finish grinding groove.
22. The apparatus of claim 17, wherein an upper portion of the grinding chuck is coupled with a lower portion of the spindle and a lower portion of the grinding chuck is removably coupled with the grinding wheel.
23. The apparatus of claim 17, wherein the camera supporter protrudes from the column frame to support the camera and the backlight.
24. The apparatus of claim 19, wherein the replacing part comprises:
a replacing plate having a substantially flat surface parallel with the x-axis direction and the y-axis direction;
a rotating unit configured to fix the upper frame and the replacing part in the z-axis direction and wherein the rotating unit is configured to rotate with reference to the z-axis direction as its rotating axis and to rotate the replacing plate in a direction substantially parallel to the x-axis direction and the y-axis direction;
a replacing table disposed on the replacing plate and configured to move along the y-axis direction; and
a holder disposed on the replacing table and configured to hold the spare grinding wheel.
25. The apparatus of claim 21, wherein the grinding wheel information comprises a position in the z-axis direction of a center line crossing the rough grinding groove, a degree of slope of the rough grinding groove, the depth of the rough grinding groove, a position in the z-axis direction of a center line crossing the finish grinding groove, a degree of slope of the finish grinding groove, and the depth of the finish grinding groove.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A bottomless battery container for storing and transporting storage batteries comprising:
side panels with connected end panels, each side panel being connected with an integral cushion assembly, each cushion assembly defining score lines between a top section, an end section and a bottom section;
each said cushion assembly defining cutouts for receiving battery terminals and battery filling caps located at least in part on said bottom section, said bottom section including a fastening panel which is secured to an interior surface of an adjacent side panel.
2. A container as claimed in claim 1 wherein all of said Panels are waterproof.
3. A container as claimed in claim 1 wherein said end panel has handle means.
4. A container as claimed in claim 3 wherein said handle means is a cutout aperture.
5. A container as claimed in claim 2 wherein said panel waterproofing is a chemical treatment.
6. A container as claimed in claim 1 wherein one of said cushion assembly sections is provided with an adhesive allowing it to be fastened to an interior surface of said side panel.
7. A container as claimed in claim 1 wherein said end panels are notched along a portion of its exterior surface.
8. A bottomless battery container for storing and transporting storage batteries comprising:
side panels with connected end panels separated by score lines which permit folding of the panels with respect to each other, each side panel being connected with an integral cushion assembly, each cushion assembly defining score lines between a top section, an end section and a bottom section allowing each section to be folded along said score lines;
said cushion assembly defining cutouts for receiving battery filling caps located at least in part on said bottom section and said end section, said bottom section additionally defining cutouts for receiving battery terminal posts including a fastening panel which is secured to an interior surface of its respective side panel.
9. A bottomless battery container as claimed in claim 8 wherein said end panel has a handle in the form of a cutout aperture.
10. A bottomless battery container as claimed in claim 8 wherein said cushion assembly bottom section has a fastening panel allowing it to be fastened to an interior surface of said side panel.
11. A bottomless battery container as claimed in claim 8 wherein said end sections are notched along a portion of its exterior surface edge to provide a locking mechanism with said end panels.
12. A bottomless battery container as claimed in claim 8 wherein said end panels had a top surface with inclined ends.
13. A bottomless battery container as claimed in claim 8 wherein said end panel has a handle in the form of a cutout aperture.
14. A bottomless battery container as claimed in claim 8 wherein said cushion assembly bottom section cutouts for receiving battery filling caps has a curved area which extends into said bottom section.
15. A bottomless battery container as claimed in claim 8 wherein said end sections are notched along a portion of its exterior surface edge to provide a locking mechanism with said end panels.
16. A bottomless battery container as claimed in claim 8 wherein said end panels have a top surface with inclined ends.
17. A bottomless battery container for storing and transporting storage batteries comprising:
side panels with connected end panels separated by score lines which permit folding of the panels with respect to each other, each side panel being connected with an integral cushion assembly, each cushion assembly defining score lines between a top section, an end section and a bottom section allowing each section to be folded along said score lines; each end section being provided with notch means formed along a portion of its exterior surface to allow locking with said end panels;
said cushion assembly defining cutouts for receiving battery filling caps located at least in part on said bottom section and said end section, said bottom section additionally defining cutouts for receiving battery terminal posts including a fastening panel which is secured to an interior surface of its respective side panel.
18. A bottomless battery container as claimed in claim 17 wherein said notch means is an inclined surface with an end wall perpendicular to an outer edge of said end section wall
19. A bottomless battery container as claimed in claim 17 wherein said end panels have a top surface with angled ends.
20. A bottomless battery container as claimed in claim 17 wherein said end panels had a top surface with inclined ends and a recessed cutout adjacent a pot portion of each side panel.