Pille, ChristophChristophPille2022-03-082022-03-082012https://publica.fraunhofer.de/handle/publica/309822The method involves preparing a layer for forming a recess portion for cooling medium and/or for forming a determination element. The metal alloy powder in the layer is melted by using energy rays (25) such as a laser beam. An independent claim is included for piston for combustion engine.de620Verfahren zur Herstellung eines Kolbens für eine Brennkraftmaschine und KolbenMethod for preparing piston for combustion engine, involves preparing layer for forming recess portion for cooling medium and/or for forming determination elementpatent102012000694