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US 11,044,816 B2Granted
Poly-based burr suppressor
AssigneeAdvanced Copper Foil Inc.
InventorShane Hugh Stewart
Life of this patent
Estimating the term…
Abstract
A burr-suppressing copper foil is described. In an embodiment, the burr-suppressing copper foil includes a poly-based film having an adhesive on a first side and an adhesive on a second side. A copper foil contacts the adhesive at the first side of the poly-based film to removably couple the poly-based film to the copper foil. A metallic burr suppressor contacts the adhesive on the second side to removably couple the poly-based film to the metallic burr suppressor.
Claims10
A burr-suppressing copper foil comprising:
- a poly-based film having an adhesive on a first side and an adhesive on a second side;
- a copper foil contacting the adhesive at the first side of the poly-based film to removably couple the poly-based film to the copper foil;
- and
- a metallic burr suppressor contacting the adhesive on the second side to removably couple the poly-based film to the metallic burr suppressor, wherein the metallic burr suppressor is an aluminum layer of between 150 to 250 microns thick.
1 more element
Dependencies are inferred from the claim text.