NPR-3000 Series

Nowadays, Due to the increase in the amount of information, finer pitch is required for COF substrates.
NPR-3000 series is thermosetting type for COF that has excellent electrical reliability.

Features

  • Excellent electrical reliability for ultra-fine pitch of 20um pitch or less.
  • It is a low temperature thermosetting type (120°C) and is compatible with the pre-tin plating process.
  • Halogen free and RoHS compliant.
  • Excellent flexibility.
  • Almost no warpage occurs after curing.
  • Low bleeding for fine pitch wiring.

Electrical reliability

[Test condition] 85deg.C, 85%RH, DC60V

[Test coupon] S'perflex VS grade which has 25um pitched line plated with Tin.

Bleeding

[Test coupon] S'perflex VS grade which has 25um pitched line plated with Tin.

[Curing condition] 120deg.C for 60min. with box oven.

Flexibility