* 모든 광학/레이저 분야에서 요구되는 특수 Glass or Quartz Plates를 
  자유롭게 제작 공급함.
* 규격 및 Size : 주문에 의함
* Dimensions : Available within the following ranges
  - Rectangular plates : 0.5mm to 250mm edge length
  - Circular plates : 0.5mm to 350mm diameter
  - Thickness : 0.1mm to 50mm, subject to plate dimensions
* Tolerences
  - Flatness : down to lambda/10, subject to plate dimensions
  - Parallelism : down to 1 arc second, subject to plate dimensions
  - or, respectively, wavefront deformation : down to lambda/10, subject to plate
    dimensions
  - Thickness : down to ±0.005mm
※ 모든 Specto-cells 혹은 Optical cells를 자유롭게 주문 제작 공급함.