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High-Density Precision Hole Arrays

The HDA-Series Precision Array Plate provides an ultra-stable, multi-feature reference for demanding scientific and laboratory automation systems. Designed as a generic but extremely precise specimen (Type SQ, HDA-SQ-01), this block features a dense matrix of high-precision blind holes. It serves as a physical gold standard for system calibration, test validation, sample position referencing, and performance benchmarking across automated handling and detection platforms.

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Application Scenarios


  • Automated Liquid Handling (Pipetting) Robots: Development and precise positioning benchmarking for micro-volume liquid dispensers.

  • High-Throughput Screening (HTS) Platforms: Testing and validating well-plate reading accuracy and speed for multi-well analysis.

  • Machine Vision & Feature Detection: Training, testing, and calibrating advanced vision systems for precise multi-feature recognition and coordinates mapping.

  • Metrology System Calibration: Standard specimen for verifying positional accuracy and feature depth over large arrays using coordinate measuring machines (CMMs) or optical profilers.

  • Microfluidic Substrates: Customizable high-density port arrays for complex fluidic control and mixing studies.



Machining Challenges


  • Ultra-Precise Position Uniformity: Achieving sub-micron level standard deviation of hole positions across a complex, high-density matrix.

  • Depth Consistency: Maintaining consistent, tight-tolerance depth for hundreds of blind holes, ensuring sample volume integrity.

  • Inner Surface Finish: Achieving mirror-smooth inner walls (Ra < 0.2 µm) to minimize sample adhesion and cross-contamination, especially at the flat bottom.

  • Thermal & Stress Management: Preventing geometric distortion due to material thermal expansion and stress during high-speed, multi-hole machining.

  • Burr-Free Micro-Features: Ensuring sharp, precise edges with zero burrs or tool marks, even on internal features, critical for optical and fluidic applications.


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