ZHEJIANG TIANSN ELEC. CO., LD.

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TIANSN:

	TIANSN demonstrates the true meaning if the personalized technique
	TIANSN pursues the model of perfected quality
	Gathered little by little forms the brilliance of TIANSN
	Open-up and enterprising leads a new technical tide

Technic:

Type:

Single-/dual-surface gold-plated or tin-sprayed printing board

Common basic materials:

XPC,XXXPC, CEM-1, CEM-3, FR-4

Thickness of board material:

0.5-2.0mm

Thickness of copper-foil basic material:

18 micron(1/2oz), 35 micron(1oz), 70 micron(2oz)

Maximum area:

450mm

800mm

Minimum drill diameter:

0.3mm

Minimum line width/space:

0.15mm/0.15mm

thickness of plated layer:

0.5-2 uinch gold-plate for ( 0.01-0.05 um )

Thickness of the copper wall of tin-plated board's hole:

1-1.5milli-inch(25-35 micron)

Thickness of the copper wall of flash gold-plated board's hole

0.2-0.6microinch(5-15 micron)

Gold thickness:

5-30microinch (0.15-0.75 micron)

Weld-resisting ink:

Photoactive oil PSR550, DSR2200, Reinhot oil 401, 402, ND4

Appearance process:

Wash, CNC mills ,V-cuts

Tolerance:

Line-W/Interval: 20%(conventionality), 10%(Especial Require)

Plated through-hole

0.003inch Or 0.075mm

14. non-plated through-hole

0.00inch Or 0.50mm

TEL: +86-577-62799266