Patent ID: 11945924
Assignee: SHENGYI TECHNOLOGY CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A copper clad laminate comprising at least one fluorine-containing dielectric sheet and metal foil(s) covered on one or both sides of the laminated fluorine-containing dielectric sheet, wherein the copper clad laminate has a Dk (10 GHz) of 3.15 or less; a Df (10 GHz) is 0.0010 or less; and a breakdown voltage is 50 kV or more;
wherein the fluorine-containing dielectric sheet comprising a fluorine-containing resin composition;
the fluorine-containing resin composition, comprising 30 wt. %-70 wt. % of a fluorine-containing polymer, and 30 wt. %-70 wt. % of an inorganic filler, wherein the inorganic filler includes the following particle size distribution: D10 is greater than 1.5 μm; and D50 is 10-15 μm;
wherein the inorganic filler further includes the following particle size distribution: D90 is less than 30 μm; and D100 is less than 50 μm; and
wherein the inorganic filler has a specific surface area less than or equal to 3.0 m2/g.