Special production circuit boards

The economical solution for circuit boards with high-tech options (for example, 1 to 48 layers, laser Vias, via plugging) and special circuit boards (for example, flexible or metal core circuit boards).

Our circuit board calculator will show you the most economical price at any time. Special board types can be quoted through the request form.

High-tech options

Circuit boards up to 48 layers
Flexible boards up to 8 layers
Rigid-Flex up to 14 layers
Aluminium core, with plated contacts
Ultra-fine conductor widths from 50µm
Film-free laser direct imaging
Micro vias starting at 75µm
Blind and buried vias
Laser vias
Via plugging / stacking
Plated half-holes
Thin laminates starting at 50µm core
Custom layer buildup
Sandwich buildup
Plated slots
Thick copper
Circuit board thicknesses up to 7mm
Depth milling (Z axis)
Impedance control
Special colours and coatings
Removable solder-stop

Special board types

The following special circuit board types are available from Multi CB:
- Flexible circuit boards
- Rigid-Flex circuit boards
- High frequency circuit boards
- High Tg circuit boards (high temperature resistance)
- Metal core circuit boards (with plated contacts)
- Thick copper circuit boards

Technical options for flexible circuit boards

		Notes
Design	1 to 8 layers, plated contacts	Layer buildup
Conductor width min.	75µm
Annular rings min.	125µm
Vias min. Ø	200µm
Surfaces	Immersion gold (recommended), immersion tin, Lead-free HAL	Available prepregs
Materials	Polyimide, high Tg polyimide	Available materials
Material thickness	starting at 44µm incl. Copper (1 layer)
Max. size	250mm x 450mm
Solder-stop coating	Coverlay or flexible solder-stop

Technical options for Rigid-Flex circuit boards

		Notes
Design	2 to 24 layers, incl. "Flying tails"	Layer buildup
Conductor width min.	75µm
Annular rings min.	125µm
Vias min. Ø	200µm
Surfaces	Immersion gold (recommended), immersion tin, Lead-free HAL
Materials	Polyimide, high Tg polyimide, FR4, FR4 high Tg
Material thickness	Polyimide starting at 62µm dual-sided, FR4 starting at 100µm
Max. size	250mm x 450mm
Solder-stop coating	Coverlay or flexible solder-stop

Technical options for high Tg circuit boards

Material	CTE-z ppm/°C	Tg	Td260	Td288	Td Value	Data sheet
Isola Duraver (FR4)	53	135°C	60 min.	-	350°C	Isola E-Cu 104i
Isola IS410 (CAF* enhanced)	55	170°C	60 min.	30 min.	360°C	Isola IS410
Isola IS420	40	165°C	60 min.	15 min.	340°C	Isola IS420
Isola P97	60	260°C	-	18 min.	-	Isola P97
Isola G200	140	185°C	20 min	8 min.	-	Isola G200
Rogers 4350B	50	280°C	-		390°C	Rogers 4350B

*Conductive Anodic Filament, an undesirable conducting filament in the substrate of a circuit board

Technical options for metal core circuit boards

1 layer		Notes
Material	Aluminium core, FR4 covering	Data sheet 1 layer
Max. size	230mm x 380mm
Aluminium thickness	1.5mm, 2.0mm
Initial copper	35µm (for 1.5mm), 140µm (for 2.0mm)
Surface	Lead-free HAL, immersion gold, immersion tin
RoHS compliant	yes

2 layers plated through		Notes
Material	Aluminium core, FR4 covering	Data sheet 2 layers
Max. size	600mm x 600mm
Aluminium thickness	1.2mm, 1.5mm, 1.6mm	In stock
	0.8mm, 1.0mm, 2.0mm	On request
Basis copper	18µm, 35µm, 70µm, 105µm, 140µm
Surface	Lead-free HAL, immersion gold, immersion tin
RoHS compliant	yes

Design parameters		Notes
Min. conductor width	200µm
Min. conductor spacing	200µm
Min. annular ring	150µm
Min. via (pth)	0.3mm	Aspect ratio 1:5
Min. Via spacing	1.0mm
Min. drilling (npth)	1.0mm

Technical properties	Unit	1 layer	2L- CCAF -01	2L- CCAF -04	2L- CCAF -05	Test method
Thermal conductivity factor	W / m*k	0.67	1	1.5	2.2	ASTM-D 5470
Dielectric constant εr(permittivity)	(for 1 MHz)	4.7	4.2	4.2	4.24	IEC-61189
Loss factor	(for 1 MHz)	0.018	0.02	0.02	0.033	IEC-61189
Surface resistance	MΩ	1.1 *10^6	5*10^7	5*10^7	3.68 *10^7	IEC-61189
Thermal durability	°C / W	-	1	0.65	0.45	ASTM-E 1225
Glass transition dielectric	°C	130	-	-	-	IPC-TM150

Technical options for thick copper circuit boards

Inner layer
Copper foil thickness	Min. conductor width	Min. conductor spacing
140µm	300µm	300µm
210µm	500µm	500µm
400µm	900µm	900µm

Outer layer
Copper foil thickness		Min. conductor width	Min. conductor spacing
Basis copper	Final thickness*
140µm	175µm	350µm	350µm
210µm	245µm	500µm	500µm
400µm	435µm	900µm	900µm

* after electroplating

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SMD Stencils

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Pricing Examples

Printed Circuit Boards always include:

- E-Test
- Solder-stop 2x
- Marking print 1x
- Gerber-Import
- Scoring (series)
- Design-Rule-Check

- Tooling costs
- Photoplot
- Conductors 150μm
- Drill holes 0,3mm
- Unlimited drilling
- HAL, FR4 1,6, 35μm Cu

Prototypes

2 layers - 6 WD	41,- €
1 Printed circuit board 100x100mm
4 layers - 8 WD	118,- €
1 Printed circuit board 160x100mm
6 layers - 8 WD	148,- €
1 Printed circuit board 160x100mm

Series

e.g. 100 pcs. Eurocard 100x160mm

2 layers - each	4,92 €

4 layers - each	7,05 €

6 layers - each	10,67 €

8 layers - each	16,99 €

SMD Stencils

max. 200x300mm - 3WD	47,50 €
1 Stencil, including 1000 pads
max. 600x600mm - 3WD	90,44 €
1 Stencil, including 2500 pads

We solely sell to entrepreneurs.
Prices plus VAT and delivery costs.

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