Base: Thin base, 1.5–4 mm Fins: Ultra‑thin and high‑density micro fins Fin Thickness: 0.15–0.3 mm Fin Pitch: 0.4–0.8 mm Fin Height: 3–20 mm Overall Dimensions: 20–100 mm × 15–50 mm × 5–25 mm Mounting Features: Small mounting holes / adhesive positions Material: Al 6063 / Copper Surface Treatment: Micro‑anodizing / passivation