Laminate composition for producing reduced curl flat thin core laminate
AssigneeIsola USA Corp.
InventorsCathy Hendricks, Kathy Kelly, Martin Choate
Life of this patent
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Abstract
Copper clad laminates having reduced laminate curl include copper foil with a tensile strength of less than 47 ksi.
Claims9
A copper-clad laminate comprising a resin core having a first surface and a second surface, and a copper foil joined to at least one surface of the core, wherein the copper foil has a tensile strength of less than 47 ksi measured at 20° C., and wherein the core has a thickness of 4 mils or less and the copper foil is selected from 1 oz copper foil or 0.5 oz copper foil.
A copper-clad laminate comprising a prepreg core having a first surface and a second surface, and a copper foil joined to at least one surface of the prepreg core, wherein the copper foil has a tensile strength of less than 47 ksi measured at 20° C., wherein the prepreg core has a thickness of 4 mils or less, and wherein the copper foil is 0.5 oz copper foil.
Dependencies are inferred from the claim text.