Methods and devices for dicing components from a sheet of copper alloy
AssigneeTexas Instruments Incorporated
InventorWan Mohd Misuari Suleiman
Life of this patent
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Abstract
A saw blade for dicing a sheet of copper alloy to form individual resistors is disclosed, wherein the sheet of copper alloy has a thickness of less than 0.3 mm. The saw blade includes a ring having a first side, a second side, and a circumferential surface, wherein the thickness of the ring between the first side and the second side is less than 0.6 mm.
Claims39
A saw blade for dicing a sheet of copper alloy to form individual resistors, the sheet of copper alloy having a thickness of less than 0.3 mm, the saw blade comprising:
- a ring having a first side, a second side, and a circumferential surface, the thickness of the ring between the first side and the second side is less than 0.6 mm;
- and
- a plurality of teeth located on the circumferential surface, each of the teeth having a maximum thickness of 0.6 mm.
A saw blade for dicing a sheet of copper alloy to form individual resistors, the sheet of copper alloy having a thickness of less than 0.3 mm, the saw blade comprising:
- a ring having a first side, a second side, and a circumferential surface, the thickness of the ring between the first side and the second side is less than 0.6 mm;
- and
- grit pieces located on the circumferential surface, the average size of the grit pieces being 31 um or greater.
A method for dicing a sheet of copper alloy to form individual resistors, the method comprising:
- setting a sheet of copper alloy having a thickness of less than 0.3 mm on a chuck table;
- contacting the sheet of copper alloy with a saw blade, the saw blade comprising:
- a ring having a first side, a second side, and a circumferential surface, the thickness of the ring between the first side and the second side is less than 0.6 mm;
- and
- a plurality of teeth located on the circumferential surface, each of the teeth having a maximum thickness of 0.6 mm;
- and
- moving the saw blade so that the saw blade cuts the sheet of copper alloy.
A method for dicing a sheet of copper alloy to form individual components, the method comprising:
- setting a sheet of copper alloy on a chuck table;
- contacting the sheet of copper alloy with a saw blade, the saw blade comprising:
- a ring having a first side, a second side, and a circumferential surface, the thickness of the ring between the first side and the second side is less than 0.6 mm;
- and
- a plurality of teeth located on the circumferential surface;
- and
- moving the saw blade so that the saw blade cuts the sheet of copper alloy.
Dependencies are inferred from the claim text.