Main > ELECTRONICS. > Laminate > Copper. Polymer

Product USA. G.

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 01.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Flexible laminate comprising
- Layer of flexible polymer material
- Layer of electrodeposited Cu foil
Copper foil being characterized by
- Ultimate tensile strength at 23C > 60,000 psi
- Loss of ultimate tensile strength at 23C < 15 % after being
annealed at 180C for 30 min
- Av. grain size < 1 micron
- Fatigue performance > 5000 cycles to failure when strain
amplitude is 0.05 - 0.2 %
PATENT PHOTOCOPY Available on request

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