KCl Potassium Chloride Crystal Substrates

Main Parameters

Crystal structure

face centered cubic, M3 a = 6.291 Å

Growth method

crystallization process

Density

1.98 g/cm³

Melting point

770 °C

Refractive index

1.49025 (at 589 nm)

T

0.91

Nf

0.01114

Surface roughness

<10 nm due to hygroscopic nature (CMP polished to Ra < 0.5nm)

Orientation

(111), (110), (100)

Size

10x10x1.0mm, 10x10x2.0mm, 20*20*2.0mm or other sizes

Surface polishing

Single side or double side polished

Packaging

Packing in class 1000 clean room with class 100 grade plastic bag