Somers Thin Strip

Rolled Copper Foil (RA Copper Foil) 

Relying on nearly a century of copper processing knowledge, Somers Thin Strip manufactures thin rolled copper foils (known as RA Copper Foils in the printed circuit industry) with high precision.  Using a combination of rolling, annealing, leveling, slitting and finishing, Somers provides specialty copper alloys to serve a wide variety of customers who serve an increasingly wide range of applications such as printed circuits, electromagnetic shielding and rechargeable batteries. 

• 100, 200, 400, 500, & 700 series Copper Alloys
• Olin Brass Copper Alloy Guide

• Sendzimir Rolling Mills
• Computerized Gage Control
• Thickness
• 0.00039” to 0.020” (10 µm – 0.5 mm)
• Tempered (hard) or Annealed (soft)

• Width 0.032” to 37” (0.8 to 940 mm) with close tolerances
• Tight camber tolerances
• Precision Slit Edge

• Ungerer Tension Leveler