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S.T. Japan

Diamond Pen & Precision Sample Cutter

A high-precision diamond-tipped tool for scoring, cutting, and trimming optical windows and hard spectroscopic samples with surgical accuracy

Product Overview

The S.T. Japan Diamond Pen is a fundamental tool for any laboratory handling infrared optics or hard solid samples. Featuring a high-quality natural diamond tip, it allows for the effortless scoring of brittle materials such as KBr, ZnSe, and Silicon windows. This precision is vital when custom-sizing windows for specialized cells or when retrieving micro-samples from hard polymer matrices.The pen is designed with an ergonomic handle for maximum control, allowing for delicate work under a magnifying glass or stereomicroscope. Beyond optics, it serves as a robust sample preparation tool, capable of scratching through hard coatings to reveal sub-layers for ATR or reflectance analysis. Its durability ensures it remains a sharp and reliable asset in the lab for years

Key Features

  • Natural Diamond Tip: Provides superior hardness for cutting the most difficult materials.
  • Precision Scoring: Enables clean breaks of IR windows and semiconductor wafers.
  • Ergonomic Design: Pen-style grip for fine motor control during micro-sampling.
  • Multi-Material Use: Effective on glass, ceramics, crystals, and hard polymers.
  • Protective Cap: Ensures the diamond tip remains undamaged when not in use

Specifications

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