High-end mechanical watch movement pcb

Substrate: FR4 Hongren Number of layers: 4 layers Dielectric constant: 4.2 Board thickness: 0.6mm Thickness of inner and outer copper foil: 1oz Surface treatment method: Immersion gold Minimum hole diameter: 0.1mm Minimum line space: 0.1MM

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High-end mechanical watch movement pcb
Substrate:	FR4 Hongren	Layers:	6 layers
Dielectric constant:	4.2	Board thickness:	0.6mm
Thickness of outer copper foil:	1oz	Inner copper foil thickness:	1oz
Surface treatment method:	Immersion gold	Minimum hole diameter:	0.1mm
Minimum line width:	0.1mm	Minimum line space:	0.1mm
Gold thickness:	2U"	Features:	Minimum hole diameter 0.1mm, BGA resin plug hole, board thickness tolerance 0.6+/-0.05mm, dimension tolerance +/-0.1mm
Warm reminder: Due to the particularity of the product, customized products will not be returned, please understand!

Widely used in: communications, consumer electronics, industrial control, security, automobiles, power supplies, smart home, medical, military and other industries.

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