Thickness Monitor Glass

●Glasses used for optical film thickness measurement.

Blue board, B-270i, equivalent to BK-7, synthetic quartz, pyrex

●Please contact us for further inquiry.
EX: Size, Thickness, etc.

Comparison Table

Standard Size

B-270i, Equivalent to BK-7,
Synthetic Quartz

Blue Board
Φ 14.0 X 1.0tΦ 30 X 1.3t
Φ 22.5 X 1.0tΦ 30 X 1.3t (Blast)
Φ 30.0 X 1.0tΦ 30 X 1.9t (Blast)
Φ 70 X 1.5tΦ 65 X 1.9t
Φ 140 X Φ 80 X 1.35tΦ 70 X 1.9t

※There are more goods available apart from the sizes listed above.
    Please contact us for more information via Contact Form.


Document for Thickness Monitor Glass