Coating:

Vacuum deposited durable chromium pattern

Frequency (lp/mm):

1-18

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Float Glass

Optical Density OD (Average):

≥3.0

Pattern Size (mm):

45.5 x 43.0

Dimensions (mm):

50.8 x 50.8 ±0.51

Surface Quality:

20-10

Thickness (mm):

1.50

Type:

Positive

NIST Certification:

No

Changes in Frequency Steps:

1.1, 1.25, 1.4, 1.6, 1.8, 2.0, 2.2, 2.5, 2.8, 3.2, 3.6, 4.0, 4.5, 5.0, 5.6, 6.3, 7.1, 8.0, 9.0, 10.0, 11.0, 12.5, 14.0, 16.0, 18.0

Line Width Tolerance (μm):

±0.5

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 240:

Compliant

本測試板採用美國國家標準局(National Bureau of Standards) 1963A分辨率判別圖案，提供正片（黑圖案，透明底）或負片（透明圖案，黑底）且置於浮式玻璃或乳白色玻璃上，適合用作精確光學檢測。Each slide is boxed.

1-18, 50.8 x 50.8mm NBS 1963A Resolution Target Positive