Copper foil composite, formed product and method of producing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9955574
SERIAL NO

14369909

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A copper foil composite comprising a copper foil and a resin layer laminated thereon, satisfying an equation 1: (f3×t3)/(f2×t2)=>1 wherein t2 (mm) is a thickness of the copper foil, f2 (MPa) is a stress of the copper foil under tensile strain of 4%, t3 (mm) is a thickness of the resin layer, f3 (MPa) is a stress of the resin layer under tensile strain of 4%, and an equation 2: 1<=33f1/(F×T) wherein f1 (N/mm) is 180° peeling strength between the copper foil and the resin layer, F(MPa) is strength of the copper foil composite under tensile strain of 30%, and T (mm) is a thickness of the copper foil composite, wherein a Cr oxide layer is formed at an coating amount of 5 to 100 μg/dm2. is formed on a surface of the copper foil on which the resin layer is not laminated.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
JX NIPPON MINING & METALS CORPORATION6-3 OTEMACHI 2-CHOME CHIYODA-KU TOKYO 1008164

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kammuri, Kazuki Ibaraki, JP 8 45
Tanaka, Koichiro Ibaraki, JP 530 12050

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 24, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 24, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00