Backup boards

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We offer the largest range of PCB drilling backup materials for all applications and requirements from large to small holes and from single sided to high layer count ML PCBs with small vias.

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Alltech Backup boards

Alltech backup material can be used for drilling and routing. It helps reducing exit burrs and exhibit very good drilling properties. This serie is birch & oak free and has an excellent price/performance ratio.

Material	Thickness (mm)	Color	Density	Finishing	S/S & D/S	ML 4-6L	Hi-Tg ML 8L+	Small Via
Alltech MDB	2.50 ± 0.15	brown	Medium : 850 ± 15	un-sanded	X
Alltech HDB	2.50 ± 0.10	brown	High: 960 ± 15	sanded	X	X
Alltech MDM	2.50 ± 0.10	white	Medium: 860 ± 15	sanded, melamine coated	X	X
Alltech HDM	2.50 ± 0.10	white	High: 960 ± 15	sanded, melamine coated	X	X	X
Alltech RYM	2.50 ± 0.15	grey or white	High: 1050 ± 100	sanded, melamine coated	X	X	X	X
Alltech Phenodrill	1.5 / 2.00 / 2.50	brown phenolic paper
Alltech Phenodrill-M	1.50 / 2.00 / 2.50	Phenolic paper core with white melamine coating on both sides

LCOA Superior Backup Materials

LCOA develops and manufactures unique and revolutionnary drilling boards for the leading PCB manufacturing companies.

Material	Thickness (mm)	Description	Benefits
Spectrum Gold Plus	2.41 ± 0.13	Backup made with hard wood laminated on both sides with proprietary Texol overlay developed by LCOA	Less warpage Tighter thickness tolerance Consistent hardness: Shore “D” Scale 80-85 Reduces exit burrs Texol overlay: Low coefficient of friction / Extended drill life
Backup Slickback	2.44	Hard wood laminated on both sides with a LCOA proprietary epoxy coated paper skin with revolutionary lubricating properties	Reduced drill temperature often below Tg of substrate Improved Hole Wall Quality (less roughness, reduced nail heading) Extended Tool Life (20 to 30% drill bit life increase) Water Soluble lubricating agent
Conformat	0.635	CONFORMAT is a conformal drill sheet that can shape itself to various topographies that may be present in a multilayer or rigid flex PCB. This keeps the Back-up in close contact with the surface Cppper, reducing burrs	Gives a close contact between the PCB and the back up Prevents exit burrs Tighter thickness tolerance Limits rework and scrap on non flat Flex Rigid PCB

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Backup boards

Alltech Backup boards

LCOA Superior Backup Materials

Alltech Backup boards

LCOA Superior Backup Materials

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