Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copper foil excellent in laser beam drilling performance and production method therefor

Copper foil excellent in laser beam drilling performance and production method therefor

US Patent 6638642 · Granted Oct 28, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of producing two-layered copper-clad laminate, and two-layered copper-cla2013
Copper electrolytic solution containing amine compound having specific skeleton 2013
Copper electrolytic solution and electrolytic copper foil produced therewith2010
Copper electrolytic solution containing quaternary amine compound with specific 2010
Copper electrolytic solution containing quaternary amine compound polymer with s2010
Copper electrolytic solution containing amine compound having specific skeleton 2008
Copper foil having blackened surface or layer2008
Automatic automobile transmission with variable shift pattern controlled in resp2007
Copper electrolytic solution containing organic sulfur compound and quaternary a2006
Automatic transmission control system for an automobile2006
Copper electrolytic solution containing amine compound having specific skeleton 2006
Copper clad laminate2004