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):

42.9 x 40.9

Dimensions (mm):

101.6 x 101.6

Surface Quality:

60-40

Thickness (mm):

1.50

Thickness Tolerance (mm):

±0.100

Type:

Negative

Dimensional Tolerance (mm):

±0.100

Note:

Pattern Location is Centered

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):

±2.7 - 1.3

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 235:

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, 101.6 x 101.6mm NBS 1963A Negative Target