SURFACE TREATMENT

TYPICAL USE

THICKNESS

HASL  (Sn63/Pb37)
HASL LF RoHS (SN100C)
IMMERSION SILVER

GENERAL PURPOSE
GENERAL PURPOSE
FLAT PAD FOR FINE PITCH DEVICES

1 - 40 um
1 - 40 um
0.25 - 1.2um

IMMERSION TIN

FLAT PAD FOR FINE PITCH DEVICES AND BACKPLANES

1 - 1.2 um

GOLD OVER NICKEL

FLAT PAD FOR FINE PITCH DEVICES

0.08 - 0.12 um GOLD OVER 3 - 5 NICKEL

SOFT / PURE GOLD

WIRE BONDING

0.1 - 1um OVER    3.75 - 6.75 NICKEL

CARBON INK

KEY PADS

10 - 25 um