Product type: Round. Application: Optical. Model: D5~D300.
Overview
The Optical Sapphire Silicon Quatz 1'~8" Wafer is supplied as a sapphire / specialty wafer made from Silicon Sapphire Quatz. Listed geometry: diameter 1", 2", 3", 4", size 1", 2", 3", 4", SAW grade and Optical grade., thickness 0.55 ± 0.05 mm, 0.45 ± 0.05 mm, or other size, single-lens shape. Optical / electrical data: transmittance >95%. Coating: UV. Typical applications: Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Silicon Sapphire Quatz |
|---|---|
| Type | Round |
| Shape | Single-lens |
| Diameter | 1", 2", 3", 4" |
| Size | 1", 2", 3", 4", SAW grade and Optical grade. |
| Thickness | 0.55 ± 0.05 mm, 0.45 ± 0.05 mm, or other size |
| Transmittance | >95% |
| Coating | UV |
| Usage | Optical |
| Model NO. | D5~D300 |
| Lenses Color | Clear |
| N-type | P (Phosphorus), Sb(Antimony ), As (Arsenic) |
| P-type | B (Boron) |
| CZ | from 1mOhm.cm to 150 Ohm.cm |
| FZ | up to 10k Ohm.cm |
| On standard | (100)(110)(111) |
| On request | (211)(311)(411)(511)(711)(911)(210)(310)(510)(910)(531)(731) |
| Standard | +/-0.5 |
| On polished surface | < 1 nm |
| Growth method | hydro-thermal autoclave. Sigle crystal, no twinning allowed. |
| Bow | < 10 microns |
| TTV | < 10 um |
| Orientation | X cut, Z cut or other, tolerance: ± 0.25 degrees |
| Primary Flat Location | ± 0.10 degrees unless specified |
| Primary Flat Length | 2"-16mm, 3"-22mm, 4"-32mm |
| Surface Polish Quality | SAW grade mirror polish |
| Backside | Lapped with GC1100# (W14) |
| Secondary Flat | – One flat, 180 deg from the primary flat. |
| Supplier | Qinhuangdao Intrinsic Crystal Technology Co., Ltd. |
Technical data
| Diameter | 1" inch25.4mm | 2" inch50.8mm | 3"inch76.2mm | 4 "inch100mm | 5"inch125mm | 6"inch150mm | Other diameters per request |
| ThicknessStandard(um) | 250 | 275 | 380 | 525 | 625 | 675 | from 120 um to 15nn |
| TTV Std(um) | <10 | <10 | <10 | <10 | <10 | <10 | |
| TTV min SSP(um) | 5 | 5 | 5 | 5 | 10 | 10 | |
| TTV min DSP(um) | 3 | 3 | 3 | 3 | 3 | 3 | |
| BOW (um) | <30 | <30 | <30 | <30 | <30 | <30 | |
| Particle count | 10-25 | 10-25 | 10-25 | < 10 | < 15 | < 15 | |
| ThicknessTolerance(+/-um) | 15 | 25 | 25 | 20 | 20 | 20 | |
| Type&dopant | N-type: P (Phosphorus), Sb(Antimony ), As (Arsenic) | ||||||
| P-type: B (Boron) | |||||||
| undoped | |||||||
| Resistivity | CZ: from 1mOhm.cm to 150 Ohm.cm | ||||||
| FZ: up to 10k Ohm.cm | |||||||
| orientation | On standard: (100)(110)(111)On request: (211)(311)(411)(511)(711)(911)(210)(310)(510)(910)(531)(731) | ||||||
| Tolerance | Standard:+/-0.5o | On request: +/-0.05o | |||||
| Off orientation | Up to 40o | ||||||
| Surface | As cut, Lapped, Etched, Single side polished, Double side polished | ||||||
| Roughness | On polished surface : < 1 nm | ||||||
| Flatness | On polished surface : < 1 um |
| Range of diameter | Dia.0.7mm-Dia.400mm |
|---|---|
| Range of curve radius | R1.5-R∞ etc. |
| Tolerance of diameter | +/-0.1, +/-0.01, +/-0.005 etc. |
| Surface accuracy | λ , 1/2λ , 1/4λ , 1/10λ etc. |
| Tolerance of Thickness | +/-0.1, +/-0.05, +/-0.01 etc. |
| Centration | +/-2′,+/-1′ etc. |
| Aperture N | 5, 1 etc. |
| Irregularity ΔN | 2, 1, 0.5, 0.2 etc. |
| Surface quality | 60/40, 40/20, 20/10, 10/5 etc. |
| Standard Specifications | |
|---|---|
| Growth method | CZ |
| Crystal structure | Hexagonal |
| Orientation | C-plane off to M-Plane 0.2 degree , A-plane , R-plane , M-plane |
| Dielectric constant | 11.58 |
| Lattice constant | 4.77 A |
| Tolerance of orientation | +/- 0.5 ° |
| Size | 2" , 3" , 4" Other sizes available upon request |
| Thickness | 330 um(2") , 430 um(2", 3") , 0.5 mm(3", 4"), 0.65mm(4"), 0.8mm(4") |
| Surface finish | one side or two sides epi polished |
| Surface roughness | Ra <= 2 A |
| Package method | Single wafer container or Ampak cassette, 100 grade clean room |
What to specify when you request a quote
- Diameter and flat / notch — listed as “1", 2", 3", 4"”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “0.55 ± 0.05 mm, 0.45 ± 0.05 mm, or other size”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “< 1 nm”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “< 10 microns”; quote flatness, bow and warp limits.
- Material grade — listed as “Silicon Sapphire Quatz”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Quartz Wafer Substrate Selection: Materials & Coatings for Semiconductor and Optical Systems. How parts like this are machined and finished is covered in Precision Glass Hole Machining for MEMS and Wafer Parts.
FAQ
What is the Optical Sapphire Silicon Quatz 1'~8" Wafer made of? expand_more
It is listed as Silicon Sapphire Quatz. Coating: UV. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What sizes and thicknesses are available? expand_more
The listing gives diameter 1", 2", 3", 4", size 1", 2", 3", 4", SAW grade and Optical grade., thickness 0.55 ± 0.05 mm, 0.45 ± 0.05 mm, or other size. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What optical or electrical performance does it have? expand_more
Listed values: transmittance >95%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.
Where is this sapphire / specialty wafer used? expand_more
Listed applications: Optical.
What should I include in a quote request? expand_more
Include diameter and flat / notch, thickness and ttv, polish and roughness, flatness, bow and warp and material grade, plus quantity and a drawing if the part is custom.
