Rohm and Haas Electronic Materials and Xaar, plc have announced a joint development agreement to produce digital ink jet printing systems for the application of etch masks and other key materials and processes used in the fabrication of printed circuit boards.      “We are delighted to be working with Xaar on this new technology and believe our collective efforts will have a long-lasting benefit for our customers and the circuit board industry,” commented Patrice Barthelmes, circuit board tech...