Diameter

2"

3"

4"

5"

6"

8"

Material

Glass

Grade

BF33, B270, Sodalime, Pyrex, Borofloat, Borosilicate ,Corning eagle XG, BK7, and etc.

Thickness (um)

279

280

525

625

675

725

Surface Finished 

DSP/SSP

TTV (um)

<8

<10

<10

<10

<15

<20

Bow/Warp (um)

<30

<30

<40

<40

<60

<60

Top Side Ra (nm)

<1

S/D (um)

40/20