Circuit board and component fabrication apparatus

A circuit board and component fabrication apparatus, comprising:

• a print head configured to deposit at least first and second different materials on a substrate so as to print electronic circuit boards and/or components, wherein the print head comprises at least first and second material dispensing nozzles grouped together so as to dispense respectively said first and second different materials at or near the same location, so as to combine said first and second different materials as said first and second different materials are dispensed to create a mixture or reaction of the first and second different materials.