HTL Co. India Pvt. Ltd.

Semiconductor & Equipment Solutions

Precision vision algorithms for inspection, metrology, and defect detection.

Precision Vision for High-Tech Manufacturing

At HTL India, Advanced Vision for Precision Manufacturing At HTL India, we develop advanced image processing algorithms and software platforms that power high-precision optical inspection, measurement, and defect analysis systems. Our vision solutions are deployed across photomask inspection, wafer defect detection, and display metrology, ensuring micron-level accuracy and repeatable performance.

From image capture to defect detection, our Image Processing Group delivers end-to-end vision solutions that enhance visual accuracy, boost manufacturing yield, and uphold the highest standards of product quality in semiconductor and display fabrication.

Core Capabilities & Expertise

At HTL India, our Image Processing Group combines deep algorithmic expertise with system-level integration to deliver high-performance inspection and metrology solutions.

Our Expertise include:

  • High-Speed Image Acquisition: Real-time image capture and preprocessing with advanced normalization and illumination correction.
  • Defect Detection & Classification: Classical and AI-based algorithms for die-to-die, die-to-database, and pattern-matching inspection.
  • Precision Measurement & Metrology: Automated measurement systems for micro- and nano-scale features.
  • Advanced Image Analysis: Edge, contour, and pattern recognition with robust noise filtering and correction.
  • System Integration: Seamless interfacing with cameras, TDI sensors, microscope optics, and large-area inspection platforms (FPD, semiconductor masks, MEMS).
  • Reliable system software for manufacturing equipment (e.g., mask writing, inspection, and repair machines).
  • Sensor Integration & Calibration: Algorithms for accurate sensor interfacing and calibration.
  • User Interface & Visualization: Custom GUI design and image database integration for efficient data handling and analysis.

Why Choose Us

At HTL India, we bring together Japanese R&D precision and Indian engineering innovation to deliver world-class image processing solutions for the semiconductor and display industries.

  • Proven Domain Expertise: Decades of experience from our Japanese HQ in photomask and FPD inspection systems, backed by a strong understanding of optics, imaging, and semiconductor manufacturing.
  • High Accuracy & Reliability: Our image analysis tools ensure micron-level precision, repeatability, and speed — whether for mask writer alignment or optical inspection platforms.
  • Customizable Solutions: Flexible frameworks tailored for yield improvement, defect detection, and R&D applications.
  • End-to-End Capability: From algorithm development to system integration, verification, and calibration, ensuring seamless performance across the entire inspection pipeline.
  • Cross-Disciplinary Expertise: A collaborative team combining strengths in optics, imaging, machine software, and real-time control to deliver optimized inspection and correction workflows.

Use Cases

Our image processing and vision technologies are deployed across a wide range of high-precision manufacturing and R&D applications, including:

  • Photomask Defect Inspection: Automated die-to-die and die-to-database comparison engines for accurate defect detection and classification.
  • Flat Panel Display (FPD) Inspection: High-speed, large-area inspection systems for pixel uniformity and defect analysis.
  • Precision Surface Inspection: Detection of micro- and nano-scale surface defects in semiconductor and optical components.
  • Automated Metrology: Visual measurement and feature analysis for R&D and process-development equipment.

Key Technologies

We leverage a powerful mix of traditional and AI-driven image processing technologies to deliver high-performance inspection and metrology solutions:

  • Image Processing Frameworks: OpenCV and custom vision libraries for real-time image analysis.
  • AI & Deep Learning: CNN-based image analytics with GPU acceleration for advanced defect detection and classification.
  • Programming & Development: Python and C++ for algorithm design, optimization, and system integration.
  • High-Speed Imaging: Multi-camera and high-speed camera interfacing with optimized multi-threaded image pipelines.
  • User Interfaces: Cross-platform GUI development on Windows/Linux using Qt and .NET frameworks.

Take Control of Your Manufacturing Operations. Unlock full visibility and seamless coordination across your machines and processes with HTL India’s Supervisory & Control solutions.

Achieve full visibility and seamless coordination across your machines with HTL India’s Supervisory & Control solutions. Monitor, optimize, and gain actionable insights — all in a scalable, integrated system.

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