item

unit

2024

Model

batch production

Base material supplier

DOOSHAN，THINFLEX，ITEQ，SHENG YI

type

Halogen-Free

Laminate Tg

TG150，TG170

Min board thickness (Double-sided)

mm

0.1

0.10

Coverlay supplier

DONGYI，OMAR，SHENG YI

PP

DOOSHAN，WAZAM，SHENG YI

Min board thickness(Rigid-flex)

mm

0.3

0.33

mechanical drilling

unit

Min Hole Diameter

mm

0.1

0.15

Min annular ring

mm

0.075

0.1

Laser drilling(UV)

unit

Min Hole Diameter

mm

0.04

0.05

Min annular ring

mm

0.05

0.075

Laser drilling (CO2)

unit

Min Hole Diameter

mm

0.07

0.08

Min annular ring

mm

0.05

0.05

Min line width / spacing

unit

Inner layer (whole panel)

um

40/40

45/45

plating layer (whole panel)

um

40/50

50/50

impedance

unit

impedance

ohm

±8%

±10%

Soldermask/Surface finish

unit

Solder mask registration

mm

0.03

0.04

Min Solder mask Bridge

mm

0.06

0.075

Solder mask color/Coverlay

green,blue,black,white,yellow

Surface finish

ENIG，ENIG+OSP，ENEPIG，Immersion Silver，OSP