Patterned Sapphire Substrates

Patterned Sapphire Substrates (PSS) are specialized sapphire materials with micro-patterns designed to enhance the growth of semiconductor crystals, particularly in LED applications. These patterns improve light extraction efficiency, promote uniform crystal quality, and enable better device performance, making PSS a vital component in advancing optoelectronic technologies.

PRODUCT PROFILE
Crystal Materials	> 99,996%, High Purity, Monocrystalline, Al2O3
Orientation	C-plane(0001) off M-plane(1-100) 0.2° ± 0.1°
Diameter	50.8 mm ± 0.1 mm
Thickness	430 um ± 10 um
Primary flat Orientation	A-plane [11-20] ± 0.2°
Primary flat length	15.0 mm ± 0.5 mm
Front Surface	Epi-polished, Ra ≤ 0.3 nm (by AFM)
Back Surface	Fine-ground, Ra =0.8 um - 1.2 um
TTV	≤ 5 um
BOW	- 10 ~ 0 um
Warp	≤ 10 um
PSS properties	Like-Cone type
Pattern Specifications	Height:1.7±0.1um Bottom Diameter: 2.65±0.1um Space: 0.35±0.1um Pitch: 3±0.1um
Cleaning / Packaging	Class 100 clean room cleaning and vacuum packaging derived nitrogen, 25 pieces in one cassette packaging

Features：

1. Enhanced Light Extraction: Patterned features increase photonic interactions, improving light output efficiency in LEDs;

2. Improved Crystal Quality: Patterns facilitate better alignment of crystal growth, resulting in fewer defects in semiconductors;

3. Tailored Surface Morphology: Customizable surface structures enable optimization for specific applications and performance requirements;

4. Thermal Management: Patterns promote efficient heat dissipation, aiding in device stability and longevity;

5. Cost-Effective Production: PSS reduces the need for additional post-processing, streamlining manufacturing and lowering costs.

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Jiaozuo Tretrust Materials Co., Ltd. is a leading company specializing in the supplying of high-quality Silicon wafers, Sapphire substrates wafers, and other related products. With over a decade of experience in the industry, we have established ourselves as a trusted and reliable partner.

Our extensive range of products is designed to meet the diverse needs of our customers in various sectors, including the semiconductor industry, research and development, and more. We take pride in offering top-notch materials that are manufactured using state-of-the-art technology and adhere to stringent quality control measures.

Our success is built on strong partnerships and collaborations with companies and universities worldwide.We look forward to providing you with superior products and services, and to mutually develop together.

Company advantages

Jiaozuo Tretrust Materials Co., Ltd. is a leading company specializing in the supplying of high-quality Silicon wafers, Silicon Carbide, Sapphire substrates wafers, and other related products. With over a decade of experience in the industry, we have established ourselves as a trusted and reliable partner.

* 10+ years of industry experience

* 1-stop wafers supplying

* 0 customer complaints

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