Others

Other products
utilizing precision processing technology

その他製品群画像

Sapphire window

サファイア窓画像

Sapphire has higher flawing resistance comparing to quartz and is widely used as a material for windows of wristwatches. By making the most of its prosperity, OGURA is offering sapphire windows to various area.

Utilizing properties of pressure resistance and heat resistance, sapphire is used as a material of windows under circumstances of high temperature and high pressure, and also used under circumstances of chemical liquid and in gas atmosphere by making the most of its excellent chemical resistant property.

Sapphire is used as an sensor window under such conditions as quarts get damaged. For examples, it is used as a window of a coin-sensor to distinguish sliding coins.

Features

  • Usable under conditions of high temperature and high pressure because of excellent pressure and heat resistance.
  • Sapphire can be used under circumstances of chemical liquid and in gas atmosphere where quarts are badly affected.
  • Sapphire can be used under such conditions as quarts gets damaged.
  • Sapphire can be made to various shapes like stepped shaped and diagonally cut shape, etc.

Usage

  • Window for high heat and high pressure.
  • Window used under sever circumstances of chemical liquid and in gas atmosphere.
  • Sensor window which contacts with measuring objects.

Ruby ball

ルビーボール画像

OGURA is providing high precision ruby balls conformed to AFBMA standard.

With excellent abrasion residence, chemical stability, and low friction coefficient, the ruby is used in various areas like an industry of analyzing instruments.

Sapphire of high purity is colorless and transparent. If visibility is required, red colored ruby with same property (excluding optical property) is applicable.

Available by OGURA from φ0.15mm at minimum.

Standard specification

Grade Diameter allowance(±) Sphericity
5 1.25 0.13
10 2.54 0.25
15 2.54 0.39
25 2.54 0.64

Conformed to International standard AFBMA Grade standard.
Unit(μm)

Other balls

Other than ruby ball, balls with high precision are available with us.

Used materials: sapphire, silicon nitride, alumina ceramics, zirconia ceramics

Other than ruby ball, balls with high precision are available with us.