Precision 6061 Aluminum Laser Components: 4-Cavity Angled Machining for Semiconductor Equipment

We successfully manufactured a set of precision 6061 aluminum laser components featuring 4 precision-machined angled cavities for a semiconductor equipment manufacturer. These components serve as critical optical alignment structures in advanced laser-based wafer processing systems, demanding exceptional geometric precision and surface quality.

Project Overview

Key Technical Highlights

• Multi-Cavity Angled Machining: Successfully machined 4 angled cavities with precise angular orientation (held to ±0.02°) using 4-axis CNC milling with custom fixturing, enabling accurate optical alignment in semiconductor laser systems.
• Process Innovation:
  • Custom Fixturing Design: Dedicated workholding solutions for each cavity angle orientation ensure repeatable positioning across production runs.
  • Toolpath Optimization: Specialized toolpath strategies minimize tool deflection and thermal distortion during cavity machining.
• Surface Integrity:
  • Controlled finishing passes achieve Ra≤1.6μm surface finish on all cavity internal surfaces.
  • Burr-free edge preparation ensures clean optical interfaces for laser transmission.

Quality Verification

Each component underwent comprehensive inspection using CMM measurement for dimensional accuracy (cavity positions held to ±0.025mm) and angular verification for cavity orientation (held to ±0.02°), supplemented by surface roughness testing.

Industry Applications

This project demonstrates our expertise in semiconductor equipment components and precision optical alignment structures, ideal for:
✓ Laser wafer processing systems ✓ Semiconductor inspection equipment ✓ Optical alignment modules ✓ R&D laser systems

Why Partner With Us?

• Proven multi-axis milling expertise for angled cavity machining
• Dedicated precision optical component manufacturing capabilities
• 12+ years of Precision machining experience across semiconductor and optics sectors