41. Traditional methods to apply the catalyst to the proton exchange membrane typically involve screen printing or doctor-blades. 42. SVECIA is a Swedish Screen printing brand. 43. Tube printing using complex and specialised printing machines such as silk screen printing applies the desired decoration. 44. Chromaline ( now Ikonics ) was given assistance in developing environmentally friendly water-based chemicals for screen printing . 45. Bromley works primarily in screen printing . 46. He established a screen printing studio in his basement and started with placemats inspired by Maori rock drawings. 47. Until 2007 the two main methods of printing on glass were silk screen printing and digital UV printing. 48. A common problem with these sets concerns the screen printing on the top panel, which can wear away. 49. The risk of glass frit flowing into the structures can be prevented by optimization of the screen printing process. 50. Evaporation printing uses a combination of high precision screen printing with material vaporization to print features to 5 �m.
