Patent ID: 7369589

Claim:
A diode laser subelement, comprising: a heat-distributing multilayer substrate including an upper layer, a lower layer, and at least one separating layer interposed between said upper layer and said lower layer, said upper layer, said lower layer and said at least one separating layer being materially joined to one another, said upper and said lower layers including metallic strata regions arranged as being spaced from one another so as to form strata region pairs, each of said strata regions of said upper layer being connected electrically conducting to a corresponding one of said strata regions of said lower layer, said at least one separating layer having at least one electrically insulating stratum made of non-metallic material; and at least one laser diode element being applied to a mounting surface of said heat-distributing multilayer substrate, a sum of thicknesses of metallic strata in the multilayer substrate exceeding a sum of thicknesses of the electrically insulating non-metallic strata at least in a partial region perpendicular to the mounting surface.