Claims
- 1. A fluid jet cutting apparatus for cutting an annular disk substrate from a sheet, comprising:a fluid jet head for directing a fluid jet stream against the sheet from which the disk substrate is to be cut by the fluid jet stream, the head being adapted to follow an outside edge path along the sheet to form an outside edge of the disk substrate and an inside edge path along the sheet to form an inside edge of the disk substrate, the sheet comprising a peripheral portion lying outwardly of the outside edge path, an annular portion lying between the outside edge path and the inside edge path, and a hole portion lying inwardly of the inside edge path; a first support member having a central opening therein generally similar to and larger than the outside edge of the disk substrate and including a support surface for supporting the peripheral portion of the sheet; a second support member having a central opening therein generally similar to and larger than the inside edge of the disk substrate and including a support surface positioned inside the central opening of the first support member for supporting the annular portion of the sheet, the second support member comprising a vacuum port for pulling the annular portion of the sheet against the support surface of the second support member; and a third support member including a support surface positioned inside the central opening of the second support member for supporting the hole portion of the sheet.
- 2. The fluid jet cutting apparatus as recited in claim 1, wherein the first support member includes a plurality of the central openings and the fluid cutting apparatus further comprises a plurality of the second and third support members, whereby a plurality of annular disk substrates are cut from the sheet.
- 3. The fluid jet cutting apparatus as recited in claim 2, wherein the central openings in the first support member are arranged in nested rows each having a plurality of the central openings.
- 4. The fluid jet cutting apparatus as recited in claim 3, wherein the first support member has an edge that is scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of an additional first support member.
- 5. The fluid jet cutting apparatus as recited in claim 2, wherein the first support member has more than 25 central openings, whereby more than 25 annular disk substrates having a diameter of approximately 95 mm are cut from a portion of the sheet that is approximately 610 mm wide and approximately 610 mm long.
- 6. The fluid jet cutting apparatus as recited in claim 5, wherein the first support member has 27 central openings, whereby 27 annular disk substrates having a diameter of approximately 95 mm are cut from the portion of the sheet that is approximately 610 mm wide and approximately 610 mm long.
- 7. The fluid jet cutting apparatus as recited in claim 2, wherein the first support member has more than 70 central openings, whereby more than 70 annular disk substrates having a diameter of approximately 95 mm are cut from a portion of the sheet that is approximately 1160 mm wide and approximately 845 mm long.
- 8. The fluid jet cutting apparatus as recited in claim 7, wherein the first support member has 80 central openings, whereby 80 annular disk substrates having a diameter of approximately 95 mm are cut from the portion of the sheet that is approximately 1160 mm wide and approximately 845 mm long.
- 9. The fluid jet cutting apparatus as recited in claim 2, wherein the first support member has more than 88 central openings, whereby more than 88 annular disk substrates having a diameter of approximately 95 mm are cut from a portion of the sheet that is approximately 1250 mm wide and approximately 895 mm long.
- 10. The fluid jet cutting apparatus as recited in claim 9, wherein the first support member has 110 central openings, whereby 110 annular disk substrates having a diameter of approximately 95 mm are cut from the portion of the sheet that is approximately 1250 mm wide and approximately 895 mm long.
- 11. The fluid jet cutting apparatus as recited in claim 1, wherein at least one of the first support member and third support member comprises a vacuum port for respectively pulling the peripheral portion of the sheet against the support surface of the first support member and pulling the hole portion of the sheet against the support surface of the third support member.
- 12. A fluid jet cutting apparatus for cutting an object from a sheet, the object having a hole therein, comprising:a fluid jet head for directing a fluid jet stream against the sheet from which the object is to be cut by the fluid jet stream, the head being adapted to follow an outside edge path along the sheet to form an outside edge of the object and an inside edge path along the sheet to form an inside edge of the object that defines the hole, the sheet comprising a peripheral portion lying outwardly of the outside edge path, an object portion lying between the outside edge path and the inside edge path, and a hole portion lying inwardly of the inside edge path; a first support member having a central opening therein generally similar to and larger than the outside edge of the object and including a support surface for supporting the peripheral portion of the sheet; a second support member having a central opening therein generally similar to and larger than the inside edge of the object and including a support surface positioned inside the central opening of the first support member for supporting the object portion of the sheet, the second support member comprising a vacuum port for pulling the object portion of the sheet against the support surface of the second support member; and a third support member including a support surface positioned inside the central opening of the second support member for supporting the hole portion of the sheet.
- 13. A method for cutting an annular disk substrate from a sheet using a fluid jet cutting apparatus, comprising the steps of:supporting a peripheral portion of the sheet on a support surface of a first support member, the first support member having a central opening therein generally similar to and larger than an outside edge of the disk substrate to be cut from the sheet; supporting an annular portion of the sheet on a support surface of a second support member positioned inside the central opening of the first support member, the second support member having a central opening therein generally similar to and larger than an inside edge of the disk substrate to be cut from the sheet; supporting a hole portion of the sheet on a support surface of a third support member positioned inside the central opening of the second support member; pulling the annular portion of the sheet against the support surface of the second support member using a vacuum port in the second support member; and directing a fluid jet stream against the sheet using a fluid jet head adapted to follow an outside edge path along the sheet to form the outside edge of the disk substrate and an inside edge path along the sheet to form the inside edge of the disk substrate, wherein the peripheral portion of the sheet lies outwardly of the outside edge path, the annular portion of the sheet lies between the outside edge path and the inside edge path, and the hole portion of the sheet lies inwardly of the inside edge path.
- 14. The method as recited in claim 13, wherein the sheet is glass.
- 15. The method as recited in claim 13, wherein the sheet is ceramic.
- 16. A method for cutting an object having a hole from a sheet using a fluid jet cutting apparatus, comprising the steps of:supporting a peripheral portion of the sheet on a support surface of a first support member, the first support member having a central opening therein generally similar to and larger than an outside edge of the object to be cut from the sheet; supporting an object portion of the sheet on a support surface of a second support member positioned inside the central opening of the first support member, the second support member having a central opening therein generally similar to and larger than an inside edge of the object to be cut from the sheet; supporting a hole portion of the sheet on a support surface of a third support member positioned inside the central opening of the second support member; pulling the object portion of the sheet against the support surface of the second support member using a vacuum port in the second support member; and directing a fluid jet stream against the sheet using a fluid jet head adapted to follow an outside edge path along the sheet to form the outside edge of the object and an inside edge path along the sheet to form the inside edge of the object, wherein the peripheral portion of the sheet lies outwardly of the outside edge path, the object portion of the sheet lies between the outside edge path and the inside edge path, and the hole portion of the sheet lies inwardly of the inside edge path.
- 17. A fluid jet cutting apparatus for cutting a plurality of disk substrates from a sheet, wherein the sheet is selectable from a first size and a second size, the second size being larger than the first size, comprising:a fluid jet head for directing a fluid jet stream against the sheet from which the disk substrates are to be cut by the fluid jet stream, the head being adapted to follow a path along the sheet to form an outside edge of each of the disk substrates; a support member having a plurality of central openings therein generally similar to and larger than the outside edge of each of the disk substrates and including a support surface for supporting a portion of the sheet, the central openings in the support member are arranged in nested rows each having a plurality of the central openings, wherein the support member has an edge that is scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of an additional support member, whereby the support member accommodates the sheet having the first size and the support member in combination with the additional support member accommodates the sheet having the second size.
- 18. The fluid jet cutting apparatus as recited in claim 17, wherein the support member has a plurality of edges each scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of another support member.
- 19. A fluid jet cutting apparatus for cutting a plurality of objects from a sheet, wherein the sheet is selectable from a first size and a second size, the second size being larger than the first size, comprising:a fluid jet head for directing a fluid jet stream against the sheet from which the objects are to be cut by the fluid jet stream, the head being adapted to follow a path along the sheet to form an outside edge of each of the objects; a support member having a plurality of central openings therein generally similar to and larger than the outside edge of each of the objects and including a support surface for supporting a portion of the sheet, the central openings in the support member are arranged in nested rows each having a plurality of the central openings, wherein the support member has an edge that is scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of an additional support member, whereby the support member accommodates the sheet having the first size and the support member in combination with the additional support member accommodates the sheet having the second size.
- 20. A method for cutting a plurality of disk substrates from a sheet using a fluid jet cutting apparatus, wherein the sheet is selectable from a first size and a second size, the second size being larger than the first size, comprising the steps of:providing a support member having a plurality of central openings therein generally similar to and larger than an outside edge of each of the disk substrates to be cut from the sheet and including a support surface for supporting a portion of the sheet, the central openings in the support member are arranged in nested rows each having a plurality of the central openings, wherein the support member has an edge that is scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of an additional support member; if the sheet having the first size is selected, supporting the sheet on the support member; if the sheet having the second size is selected, providing the additional support member, positioning the scalloped edge of the additional support member in a mating relationship with the scalloped edge of the support member, and supporting the sheet on the support member and the additional support member; and directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of each of the disk substrates.
- 21. The method as recited in claim 20, wherein the sheet is glass.
- 22. The method as recited in claim 20, wherein the sheet is ceramic.
- 23. A method for cutting a plurality of objects from a sheet using a fluid jet cutting apparatus, wherein the sheet is selectable from a first size and a second size, the second size being larger than the first size, comprising the steps of:providing a support member having a plurality of central openings therein generally similar to and larger than an outside edge of each of the objects to be cut from the sheet and including a support surface for supporting a portion of the sheet, the central openings in the support member are arranged in nested rows each having a plurality of the central openings, wherein the support member has an edge that is scalloped in accordance with the arrangement of adjacent central openings for matingly receiving a correspondingly scalloped edge of an additional support member; if the sheet having the first size is selected, supporting the sheet on the support member; if the sheet having the second size is selected, providing the additional support member, positioning the scalloped edge of the additional support member in a mating relationship with the scalloped edge of the support member, and supporting the sheet on the support member and the additional support member; and directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of each of the objects.
- 24. A method for cutting a plurality of disk substrates from a sheet using a fluid jet cutting apparatus, comprising the steps of:providing a support member having at least one central opening therein generally similar to and larger than an outside edge of the disk substrates to be cut from the sheet and including a support surface for supporting a portion of the sheet; adhering a plurality of layers to one another in a stacked relationship to form the sheet; supporting the sheet on the support member; cutting through each of the layers of the sheet by directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of the disk substrates; and separating the disk substrates from one another.
- 25. The method as recited in claim 24, wherein the layers are glass.
- 26. The method as recited in claim 24, wherein the layers are ceramic.
- 27. The method as recited in claim 24, wherein the cutting step comprises the step using a plurality of fluid jet heads to cut through the sheet at multiple locations by simultaneously directing a plurality of fluid jet streams against the sheet, each of the fluid jet heads being adapted to follow a path along the sheet to form the outside edge of the disk substrates.
- 28. The method as recited in claim 24, wherein the adhering step comprises the step of adhering the layers to one another using the surface tension of water.
- 29. The method as recited in claim 24, wherein the adhering step comprises the step of adhering the layers to one another using an adhesive.
- 30. The method as recited in claim 29, wherein the layers are each covered with a protection layer.
- 31. The method as recited in claim 30, wherein the protection layer is a plastic layer.
- 32. The method as recited in claim 30, wherein the protection layer is a paper layer.
- 33. A method for cutting a plurality of objects from a sheet using a fluid jet cutting apparatus, comprising the steps of:providing a support member having at least one central opening therein generally similar to and larger than an outside edge of the objects to be cut from the sheet and including a support surface for supporting a portion of the sheet; adhering a plurality of layers to one another in a stacked relationship to form the sheet; supporting the sheet on the support member; cutting through each of the layers of the sheet by directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of the objects; and separating the objects from one another.
- 34. A method for cutting a disk substrate from a sheet using a fluid jet cutting apparatus, comprising the steps of:providing a sheet comprising a substrate layer and a protective layer covering a portion of at least one surface of the substrate layer; providing a support member having at least one central opening therein generally similar to and larger than an outside edge of the disk substrate to be cut from the sheet and including a support surface for supporting a portion of the sheet; supporting the sheet on the support member; cutting through the sheet by directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of the disk substrate; and removing the protective layer from the substrate layer after forming the outside edge of the disk substrate.
- 35. The method as recited in claim 34, wherein the substrate layer is glass.
- 36. The method as recited in claim 34, wherein the substrate layer is ceramic.
- 37. The method as recited in claim 34, wherein the protection layer is a plastic layer.
- 38. The method as recited in claim 37, wherein the plastic layer is adhered to the substrate layer by static adhesion.
- 39. The method as recited in claim 37, wherein the plastic layer is adhered to the substrate layer by an adhesive.
- 40. The method as recited in claim 34, wherein the protection layer is a paper layer.
- 41. A method for cutting an object from a sheet using a fluid jet cutting apparatus, comprising the steps of:providing a sheet comprising an object layer and a protective layer covering a portion of at least one surface of the object layer; providing a support member having at least one central opening therein generally similar to and larger than an outside edge of the object to be cut from the sheet and including a support surface for supporting a portion of the sheet; supporting the sheet on the support member; cutting through the sheet by directing a fluid jet stream against the sheet using a fluid jet head adapted to follow a path along the sheet to form the outside edge of the object; and removing the protective layer from the object layer after forming the outside edge of the object.
CROSS-REFERENCE TO RELATED APPLICATION
This patent application is related to Ser. No. 10/035,590, filed concurrently, entitled “ABRASIVE FLUID JET CUTTING COMPOSITION, METHOD AND APPARATUS”, which is assigned to the assignee of the instant application.
US Referenced Citations (23)