원료제품

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Base material products : Solids 
Heraeus Quarzglas GmbH, Germany
- Heavy wall cylinders up to OD 285 mm 
- Round block ingots up to OD 350 mm
- Pressure sintered heavy wall cylinders up to OD 520 mm
- High purity Opaque OM 100

Heraeus Quartz PLC, UK
- Heavy wall cylinders up to OD 470 mm, 
  will reach to OD 540 mm in 2010
- Round block ingots up to OD 600 mm
- Rectangular block up to 620 mm Wide
- Synthetic quartz up to 540 kg

ShinEtsu Quartz Co., Ltd, Japan
- Full Boule ingot  OD 1800 mm X 600 mm Thickness
- Synthetic Products