Sapphire substrates

2"

Diameter

50.8 ±0.05mm

Thickness

330-430±25μm

Orientation

C (0001) ±0.2°

TTV and Bow

<20nm; or on request

Front Surface

Epi polished

Back Side

Lapped or polished

Flatness

<5nm, or on request

Roughness (Ra)

<0.5nm, or on request

ORF

16.0 ±1.0mm

Primary Flat Location

A or M ±0.5°

Secondary Flat Location

90°to primary

Package

25-wafer cassette, or on request