Patent ID: 9021691
Filing Date: 2015-05-05
Classification: H05K,Y10T

Abstract:
1. A method for introducing electrical insulations in a printed circuit board, the method comprising: selectively introducing groove-shaped recesses between different regions of an electrically conductive layer on a substrate along a machining path using a thermal energy input such that end portions of each of the recesses or different ones of the recesses are joined to one another; wherein the end portions are introduced parallel to one another without overlap such that a strip-shaped region of the conductive layer is initially retained between the end portions so as to insulate the different regions, the strip-shape region self-detaching from the substrate when there is a reduction of adhesion forces of the strip-shaped region that results from heat input when introducing the end portions, and wherein at least one of an additional weakening and an additional recess is introduced in the conductive layer on the substrate in a geometric center region between the end portions.