Thales

Bare Boards

Details

Minimum Line width
PCB without plated trough holes
Base copper thickness [µm]	Innerlayers or Bare or passivated copper or chemical finishes [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL [µm]
	standard	special	standard	special	standard	special
9	75	50	75	50	95	80
17.5	75	65	75	65	95	85
35	100	80	100	80	120	100
70	150	110	150	110	170	130

PCB with plated through holes
Base copper thickness [µm]	Bare or passivated copper [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL or chemical finishes [µm]
	standard	special	standard	special	standard	special
9	80	70	80	70	100	90
17.5	100	90	100	90	120	110
35	140	120	140	120	160	140
70	200	150	200	150	220	170

Minimum insulation
PCB without plated trough holes
Base copper thickness [µm]	Innerlayers or Bare or passivated copper or chemical finishes [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL [µm]
	standard	special	standard	special	standard	special
9	75	50	75	50	95	80
17.5	75	65	75	65	95	85
35	100	80	100	80	120	100
70	150	110	150	110	170	130

PCB with plated through holes
Base copper thickness [µm]	Bare or passivated copper [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL or chemical finishes [µm]
	standard	special	standard	special	standard	special
9	100	75	100	75	120	100
17.5	120	100	120	100	140	125
35	140	125	140	125	160	150
70	200	180	200	180	220	200

Etching Tolerance
	PCB without plated trough holes
Base copper thickness [µm]	Innerlayers or Bare or passivated copper or chemical finishes [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL [µm]
	standard	special	standard	special	standard	special
9	± 15	± 10	± 20	± 15	± 20	± 15
17.5	± 20	± 15	± 30	± 25	± 30	± 25
35	± 30	± 25	± 50	± 45	± 50	± 45
70	± 40	± 35	± 60	± 55	± 60	± 55

	PCB with plated through holes
Base copper thickness [µm]	Bare or passivated copper [µm]		Electrolytic Sn or Au or Ni/Au [µm]		HAL or chemical finishes [µm]
	standard	special	standard	special	standard	special
9	± 20	± 15	± 20	± 15	± 30	± 15
17.5	± 30	± 20	± 30	± 20	± 50	± 20
35	± 40	± 25	± 40	± 25	± 70	± 25
70	± 50	± 40	± 50	± 40	± 80	± 40

Lands for plated through holes (PTH) or for non-plated holes (NPH)

	Standard NPH	Standard PTH	Special NPH	Special PTH
Minimum Diameter Land – Diameter Hole or L – Diameter Hole [mm]	0.4	0.3	0.15	0.15
Etching tolererance on land size	See tabel etching tolerances	See tabel etching tolerances	See tabel etching tolerances	See tabel etching tolerances

Track hole connection

	standard	special
Minimum Diameter Land – Diameter [mm]	0.4	0
Etching tolererance on land size	See tabel etching tolerances	See tabel etching tolerances

Drilling diameters and tolerances

Drilling Hole diameter tolerances

Drilling diameter [mm]	Non-plated hole standard [µm]	Non-plated hole special [µm]	Plated through hole standard [µm]	Plated through hole special [µm]
<= 0.8	± 20	± 20	-150 / -50	-150 / -50
> 0.8	± 20	±20	-200 / -50	-200 / -50

Drilling blind hole depth tolerances
Non-plated hole standard [µm]	Non-plated hole special [µm]
+100 / 0	+30 / 0

Machining

Minimum diameter milling

Note : Minimum corner radius = 0.5 * minimum diameter milling

Milling tolerances
	Standard [mm]	Special [mm]
Internal and external milling	± 0.1	± 0.05
Depth milling tolerance	± 0.1 / 0	± 0.05 / 0

Panel sizes

9” x 12” = 228.6 x 304.8 mm

12” x 18” = 304.8 x 457.2 mm

18” x 24” = 457.2 x 609.6 mm

24” x 42” = 609.6 x 1117.6 mm

Reference system

4 slot system

Solder mask

Dry film Soldermask

2 mil film

4 mil film


		© Thales 2005 Legal Notice