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US 12,515,379 B2Granted
Method of manufacturing a mold for injection molding
AssigneeHella GmbH & Co. KGaA
InventorDietmar Haut
Life of this patent
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Abstract
A method is provided for manufacturing a mold for injection molding, especially for injection molding of optical components of automotive lighting devices. The method includes at least the following steps: providing a mold body, laser milling a pattern into a surface of the mold body, and coating the surface of the mold body by electroless nickel plating.
Claims5
A method of manufacturing a mold for injection molding, the method comprising the following steps:
- providing a mold body,
- laser milling a pattern into a surface of the mold body via ultrashort laser pulses in the femtosecond range, wherein the laser milling is performed using a multi-beam laser unit, and
- coating the surface of the mold body by electroless nickel plating,
- wherein the coating the surface of the mold body includes co-deposition of particles of aluminum oxide or silicone carbide.
1 more element
Dependencies are inferred from the claim text.