CLEANING TECHNOLOGYMade in Germany

Cleaning of DCBs / DCB substrates and hybrids


Direct copper bonding (DCB) substrates are often used due to their good thermal conductivity in high-performance modules. They consist of a ceramic substrate board, usually alumina or aluminum nitride and usually applied with a copper foil on one or both sides in a high temperature oxidation process. Precisely because of the high power requirements (DCB substrates carry currents up to several thousand volts at temperatures up to 200° C), these components must be absolutely free of production residues for further working processes such as wire bonding, coating or varnishing.

Thorough removal of flux, rosin, resin, Cu oxide and soldering support substances are the main tasks in the cleaning of DCBs, hybrids, assemblies / assembled printed circuit boards, in order to be able to offer correspondingly process-safe assemblies for the above mentioned subsequent processes.

kolb provides for the cleaning of DCB substrates the complete cleaning process as a manufacturer from a single source: including machinery, accessories, cleaners and specially applied electronic process control.

Suitable systems


AQUBE® XV7
Fully automatic high end DCBs and assembled PCBs batch cleaner

Capacity: 20 DCB panels (5“ x 7“) or 36 eurocards in a Duplex washing cart
Vertical fourfold spray rotors, CWA® supercharger compression drying
Process chamber dimensions: W 700 • H 710 • D 720 mm (W 27.55" • D 28.34" • H 27.95")

more about AQUBE® XV7

AQUBE® XV9
High end DCB and PCB batch cleaner with super large process chamber

Capacity: up to 64 DCB panels 5" x 7" or 100 eurocards
Vertical eightfold spray rotors, CWA® supercharger compression drying
Process chamber / 4slots: W 77 - 110 • D 900 • H 800 mm (W 3.03 - 4.33" • D 35.43" • H 38.5")

more about AQUBE® XV9

Suitable detergents


MultiEx® 3D series

MultiEx® 3D series detergents are aqueous three-dimensional cleaners (1. colophonium removal, deoxydizing, 3. passivating) for use in kolb systems with PowerSpray® technology and in all common spray-in-air cleaning systems.

Most suitable for: assembled PCBs, DCBs, ceramic substrates, also screens, stencils, PumpPrints and misprints.

more about MultiEx® 3D series

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Read about our new special cleaner for wave soldering machines and reflow ovens in our November newsletter.

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