High quality single-sided epoxy printed circuit board from Bungard with copper cladding and a positive photo resist coating. Bungard represents excellent quality and reliability of the materials and equipment used in producing circuit boards for prototypes and limited series production. The base material conforms to all international standards and releases, as listed in summary in the standard IPC 4101 A. * Lacquer coat absolutely dust-free with straight edges * Photo lacquer is burnt in and artificially aged, ensuring a very long storage time * Only original Bungard circuit boards have a special, blue-dyed light-protective film * Natural backing * Maximum spectral sensitivity is in the range of 350 to 450nm * Optical resolution of the resist better than 30μm * Manufacturer's part 120106E33 https://elecena.pl/product/27268750/bungard-120106e33-fr4-photo-resist-pcb-single-sided-160mm-x-100mm-x-0-5mm 2024-11-13 https://elecena.pl/product/27268750/bungard-120106e33-fr4-photo-resist-pcb-single-sided-160mm-x-100mm-x-0-5mm 2026-07-16