Most “LDS materials” claims are vague because real performance depends on the full system: resin, dispersion, laser settings, surface conditioning, and the electroless copper bath. In non-Pd LDS approaches, BCHP (Basic Copper Hydroxy Phosphate) is best understood as a laser-responsive copper source and activation booster—not a magic catalyst. This article explains where BCHP fits, what it can realistically improve, and which evaluation data proves its value without over-claiming.

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Laser Direct Structuring (LDS) relies on a laser to “activate” specific zones on a polymer so they can be metallized (typically via electroless copper). BCHP (Basic Copper Hydroxy Phosphate) is a copper-containing, laser-responsive inorganic additive that can act as an **LDS activation booster**: it helps convert laser energy into localized chemical/structural changes that improve plating initiation, line definition, and process stability—especially when conventional LDS additives underperform or introduce cost, supply-chain, or compliance constraints.

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