Roughened metal surface profile

What is AMALPHA?

AMALPHA uses chemical etching to form a complex profile made up of flask-like pores of the order of micrometers on metal surfaces.

Copper

Copper plating

x3500 5μm

Copper plating (cross section)

x3500 1μm

JIS C1100

x3500 1μm

JIS C1100 (cross section)

x3000 1μm

*JIS: Japanese industrial standard

Aluminum

JIS A5052

x3500 5μm

JIS A5052 (cross section)

x5000 1μm

JIS A5052

x3500 1μm

JIS A5052 (cross section)

x1000 10μm

*JIS: Japanese industrial standard

SUS

JIS SUS304

x3500 1μm

JIS SUS304

x3500 1μm

*JIS: Japanese industrial standard

Cross sections of metal-to-resin bonding

Cu-phenol

x800 10μm

SUS・PPS

x1000 10μm

Al-epoxy

x1000 10μm

Al-phenol

x1000 10μm

*Upper dark areas represent resin, while lower light gray areas represent metals.
Angular and round shapes represent talc and glass fillers, respectively.

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