Special mold core

Key features：

Array mold core

Highlight：

• Scrape processing is adopted.
The dimension is promised,
but the removing efficiency is low.

Freeform mold core

Highlight：

• Slow tool servo is adopted

• We accept the expression by the form of XY
    polynomials and Zernike polynomials

  • The morphology is measured by UA3P
  and the corresponding compensation is discussed

Key features：
  The PV of freeform mold core is estimated 50% larger
  than traditional ASP mold core.
  However, the Ra of both types is comparable.

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