LED Substrate 

Sapphire Substrate  

Sapphire Substrate Size

2"
Single-
Sided

2"
Double-
Sided

3"
Single-
Sided

3"
Double-
Sided

4"
Single-
Sided

4"
Double-
Sided

Grade

LED

LED

LED

LED

LED

LED

Polish Type

(1) Side EPI

(2) sided polished EPI

(1) Side EPI

(2) sided polished EPI

(1) Side EPI

(2) sided polished EPI

Sapphire Purity

>99.99%

>99.99%

>99.99%

>99.99%

>99.99%

>99.99%

Orientation

(0001)

(0001)

(0001)

(0001)

(0001)

(0001)

C-axis

± 0.2°

± 0.2°

± 0.15°

± 0.15°

± 0.20°

± 0.20°

Diameter

50.8 ± 0.25 mm

50.8 ± 0.25 mm

76.2mm ± 0.25 mm

76.2mm ± 0.25 mm

100 ± 0.25 mm

100 ± 0.25 mm

Thickness

0.332 or 0.432 ± 0.025 mm

0.332 or 0.432 ± 0.025 mm

0.550 ± 0.025 mm

0.550 ± 0.025 mm

0.650 ± 0.025 mm

0.650 ± 0.025 mm

Primary Flat

(1120)
A-axis ± 0.3°

(1120)
A-axis ± 0.3°

(1120)
A-axis ± 0.3°

(1120)
A-axis ± 0.3°

(1120)
A-axis ± 0.3°

(1120)
A-axis ± 0.3°

Flat Length

16.0 ± 1.5 mm

16.0 ± 1.5 mm

22.0 mm ± 1.5 mm

22.0 mm ± 1.5 mm

32.0 ± 2.5 mm

32.0 ± 2.5 mm

Front Side Surface

EPI polished, (Ra) = 1 nm

EPI polished, (Ra) = 1 nm

EPI polished, (Ra) = 1 nm

EPI polished, (Ra) = 1 nm

EPI polished, (Ra) = 1 nm

EPI polished, (Ra) = 1 nm

Back Surface Roughness

Fine grind, Rmax

80-50 or better backside

Fine Grind, Rmax

80-50 or better backside

Fine Grind, 0.4 -

80-50 or better backside

Ra

5-10 µm

5-10 µm

5-10 µm

5-10 µm

1.0 microns (Ra)

1.0 microns (Ra)

TTV

< 25 µm

< 25 µm

< 30 µm

< 30 µm

< 40 µm

< 40 µm

BOW

< 20 µm

< 20 µm

< 30 µm

< 30 µm

< 30 µm

< 30 µm

Packaging

Vacuum packed in cassettes of 5 in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI

Vacuum packed in cassettes of 5 in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI

Vacuum packed in Entegris cassette of (1) in a class 100 clean room, under a nitrogen atmosphere.

Vacuum packed in Entegris cassette of (1) in a class 100 clean room, under a nitrogen atmosphere.

Vacuum packed in Entegris cassette of (1) in a class 100 clean room, under a nitrogen atmosphere.

Vacuum packed in Entegris cassette of (1) in a class 100 clean room, under a nitrogen atmosphere.

Delivery

Standard Parts from stock. Subject to availability, otherwise 8 weeks

Standard Parts from stock. Subject to availability, otherwise 8 weeks

Standard parts from stock, subject to availability, otherwise 8-weeks

Standard parts from stock, subject to availability, otherwise 8-weeks

Standard parts from stock, subject to availability, otherwise 8-weeks

Standard parts from stock, subject to availability, otherwise 8-weeks

Sapphire Substrate Pricing

Single side polished: front side epi; backside fine ground

Diameter
(mm)
Thickness
(mm)
Orientation
(°)
QTY
5
QTY
10
QTY
25
QTY
50
50.8 ± 0.25 0.33 0 $ 78 $ 73 $ 69 $ 65
50.8 ± 0.25 0.43 0 $ 78 $ 73 $ 69 $ 65
76.2 ± 0.25 0.55 0 $ 348 $ 337 $ 317 $ 298
100.0 ± 0.25 0.65 0 $ 462 $ 402 $ 354 $ 330

Double side polished: front side epi; backside 80-50 optical polish

Diameter
(mm)
Thickness
(mm)
Orientation
(°)
QTY
5
QTY
10
QTY
25
QTY
50
50.8 ± 0.25 0.33 0 $ 120 $ 114 $ 108 $ 98
50.8 ± 0.25 0.43 0 $ 120 $ 114 $ 108 $ 98
76.2 ± 0.25 0.55 0 $ 390 $ 379 $ 358 $ 340
100.0 ± 0.25 0.65 0 $ 492 $ 450 $ 402 $ 378

 

Sapphire Substrate

Sapphire Substrate Size 10mm X 10mm X .432 mm
Single-Sided
10mm X 10mm X .432 mm
Double-Sided
25.4mm X 25.4mm X .500mm
Single-Sided
25.4mm X 25.4mm X .500mm
Double-Sided
Grade LED LED LED LED
Polish Type EPI Double-sided EPI Single sided EPI Ready Double sided EPI Ready
Sapphire Purity >99.99% >99.99% >99.99% >99.99%
Orientation (0001) (0001) (0001) (0001)
C-axis ± 0.2° ± 0.2° ± 0.2° ± 0.2°
Thickness 0.432mm 0.432mm 0.500mm 0.500mm
Front Side Surface EPI polished, (Ra) = 1 nm EPI polished, (Ra) = 1 nm EPI polished, (Ra) = 1 nm EPI polished, (Ra) = 1 nm
Back Surface Roughness Fine grind, Rmax 5-10 µm EPI EPI EPI
Packaging Vacuum packed in cassettes of (1) in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI Vacuum packed in cassettes of (1) in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI Vacuum packed in cassettes of (1) in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI Vacuum packed in cassettes of (1) in a class 100 clean room, under a nitrogen atmosphere. Cleanliness: Ready for EPI
Delivery Standard Parts from stock, subject to availability, otherwise 8 weeks Standard Parts from stock, subject to availability, otherwise 8 weeks Standard Parts from stock, subject to availability, otherwise 8 weeks Standard Parts from stock, subject to availability, otherwise 8 weeks

 

Sapphire Substrate Pricing

Single side polished: front side epi; backside fine ground

Length/Width
(mm)
Thickness
(mm)
Orientation
(°)
QTY
1-4
QTY
5
QTY
10
QTY
25
10 x 10 0.432 0 $ 60 $ 50 $ 48 $ 46
25.4 x 25.4 0.500 0 $ 60 $ 50 $ 48 $ 46

 

Double side polished: both sides epi

Length/Width
(mm)
Thickness
(mm)
Orientation
(°)
QTY
1-4
QTY
5
QTY
10
QTY
25
10 x 10 0.432 0 $ 62 $ 58 $ 54 $ 48
25.4 x 25.4 0.500 0 $ 62 $ 58 $ 54 $ 48

 

Please contact sapphiresales@gtat.com or call +1.978.745.0088 with any questions.

 

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