摘要 |
<p>The invention relates to pressing under heat and pressure in a press, the press room of which is enclosed in a pressure chamber or the like and the pressing takes place at under-pressure in the pressure chamber. The product produced is cooled down at under-pressure in the pressure chamber by injecting water into the pressure chamber. The invention also relates to a press for the production of multilayer printed circuit boards and copper laminates, for instance.</p> |