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高精度的朗奇刻線法

×
  • 在玻璃上鍍鉻
  • 高精度
  • 優於蝕刻與裝填刻線法
  • 線與邊緣平行
  • 提供英制與公制版本

High Precision Ronchi Rulings are excellent for evaluating resolution, field distortion, and parfocal stability. The glass targets are coated with vacuum-deposited chrome and have a float glass substrate. English and Metric version are available with various Linepairs Per Inch (LPI) and Linepairs Per Millimeter (lp/mm) measurements. High Precision Ronchi Rulings are offered in 0.5”, 1", 2", and 4" squares. 

一般規格

Dimensional Tolerance (inches):
±0.02
Thickness (mm):
1.50
Dimensional Tolerance (mm):
± 0.02
Line to Line Parallelism (arcsec):
≤2
Parallelism of Pattern to Substrate (°):
±1
Coating:
Vacuum Deposited Chrome, OD >3.0
Substrate:
Float Glass
Optical Density OD (Average):
3.00
Surface Quality:
60-40
Surface Flatness (P-V):

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