Contract Lapping for Thickness, Flatness, Parallelism

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Valley Design providing contract lapping, grinding and polishing services, operating from facilities in Santa Cruz, CA and Boston, MA areas, ISO 9001:2000 certified, grinds, laps and polishes most materials.

Customer specifications may include:

  • Surface finish
  • Thickness tolerance
  • Flatness
  • Parallelism
  • Single sided or double sided
  • Squareness
  • Scratch specification
  • Defect specification
  • Step and counterbore depth tolerance
  • Coplanarity with different assembled materials

Lapping specifications will be met by using a combination of diamond, free abrasive and fixed abrasive materials.

Procedures for lapping and polishing include:

  • Polishing pads
  • Electro polishing
  • Diamond slurries
  • Diamond suspensions
  • Lapping compounds
  • Abrasive slurries
  • CMP
  • Vibratory polishing
  • Soft metal laps
  • Hand metal laps
  • Composite polishing plates
  • Optical polishing

Surfaces produced can have a dull mat finish or highly polished mirror finish and everything in between.

Contract lapping, grinding and polishing by Valley Design:

Double sided End Effectors Single sided Stainless steel wafers Wafer chucks

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