Additive Manufacturing Microwave Systems And Methods

This invention describes a 3D printer that builds objects layer by layer, similar to how a regular 3D printer works. However, after depositing material, it uses a focused beam of microwave energy to heat or process the object. The system specifically uses high-power microwaves, between 2kW and 100kW, with very short wavelengths.

Why it matters: Since 2014, advancements in material science have introduced new composites and ceramics that benefit from precise, volumetric microwave heating. Furthermore, the control and efficiency of high-power, short-wavelength microwave sources have improved, making the claimed beam shaping and targeted heating more practical for industrial additive manufacturing.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedHigh-power microwave source, beam shaping, multi-material print head.

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