# Sapphire Semiconductor Crystal Substrate Material Sapphire Wafer

> Sapphire Semiconductor Crystal Substrate Material Sapphire Wafer — a sapphire / specialty wafer: Sapphire. Specs, RFQ checklist and custom sizes to drawing.

- Page: https://machiningglass.com/products/sapphire-semiconductor-crystal-substrate-material-sapphire-wafer/
- SKU: MG-4B8DFB
- Category: Glass & Quartz Wafers > Sapphire & Specialty Optical Wafers
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Sapphire-Semiconductor-Crystal-Substrate-Material-Sapphire-Wafer.webp
- Updated: 2026-10-24

Product type: Intrinsic Semiconductor. Application: Detector, Diode, LCD Display Controller, Power Electronic Components, Television, Temperature Measurement, Single Crystal Substrate Material. Model: 4 Inch, 6 Inch, 8 Inch substrate.

## Overview

Sapphire Semiconductor Crystal Substrate Material Sapphire Wafer: a sapphire / specialty wafer made from Sapphire. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Sapphire |
| Type | Intrinsic Semiconductor |
| Application | Detector, Diode, LCD Display Controller, Power Electronic Components, Television, Temperature Measurement, Single Crystal Substrate Material |
| Batch Number | 2024 |
| Model NO. | 4 Inch, 6 Inch, 8 Inch substrate |
| Model | LED |
| Polishing | Single or Double Sided |
| Moh'S Hardness | 9 |
| Growth Method | Czochralski Method |
| Density | 3.98(g/cm3) |
| workdays. For customized products | the delivery time is |
| Supplier | Hangzhou HCJingRui Technology Co., Ltd. |

## What to specify when you request a quote

- **Diameter and flat / notch** — state diameter, flat or notch and their tolerances.
- **Thickness and TTV** — give thickness, its tolerance and total thickness variation.
- **Polish and roughness** — listed as “Single or Double Sided”; specify single- or double-side polish and roughness.
- **Flatness, bow and warp** — quote flatness, bow and warp limits.
- **Material grade** — listed as “Sapphire”; 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](https://machiningglass.com/materials/fused-quartz-wafer-substrate-selection-materials-coatings-for-semiconductor-and-optical-systems/). How parts like this are machined and finished is covered in [Glass Wafer Bonding for Microfluidic and MEMS Applications: Process Overview](https://machiningglass.com/capabilities/glass-wafer-bonding-for-microfluidic-and-mems-applications-process-overview/).

## FAQ

### What is the Sapphire Semiconductor Crystal Substrate Material Sapphire Wafer made of?

It is listed as Sapphire. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### What should I include in a quote request?

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.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=7763#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/