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4inch GaN On Sapphire Wafer Blue Green LED Wafer Flat Sapphire 100 mm

Categories GaN Epitaxial Wafer
Brand Name: GaNova
Model Number: JDWY03-001-031
Certification: UKAS/ISO9001:2015
Place of Origin: Suzhou China
Payment Terms: T/T
Supply Ability: 10000pcs/month
Delivery Time: 3-4 week days
Packaging Details: Vacuum packing in a class 10000 clean room environment,in cassettes of 6pcs or single wafer containers.
Product Name: 4inch GaN-on-Sapphire Blue/Green LED Wafer
Thickness: 650 ± 25μm
Type: Flat Sapphire
Polish: Single side polished (SSP) / Double side polished (DSP)
Dimension: 100 ± 0.2mm
Orientation: C plane (0001) off angle toward M-axis 0.2 ± 0.1°
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4inch GaN On Sapphire Wafer Blue Green LED Wafer Flat Sapphire 100 mm

4inch GaN-On-Sapphire Blue/Green LED Wafer Flat Sapphire 100 ± 0.2 mm

4 inch Blue LED GaN epitaxial wafer on sapphire SSP



The key ingredient for blue LEDs is gallium nitride, a robust material with a large energy separation, or 'gap', between electrons and holes -- this gap is crucial in tuning the energy of the emitted photons to produce blue light.
Light-emitting diodes (LEDs) fabricated from gallium nitride (GaN) have led to the realization of high-efficiency white solid-state lighting.

Another major problem in producing blue LEDs was the difficulty in p-doping GaN with precision. In the late 1980s, Amano and Akasaki discovered that when GaN was doped with zinc atoms, it emitted more light and thus this gave better p-doping. This phenomena was later explained in an article by Nakamura.


4inch GaN-on-Sapphire Blue/Green LED Wafer

Substrate

TypeFlat Sapphire

PolishSingle side polished (SSP) / Double side polished (DSP)
Dimension100 ± 0.2 mm
OrientationC plane (0001) off angle toward M-axis 0.2 ± 0.1°
Thickness650 ± 25 μm

Epilayer

Structure0.2μm pGaN/0.5μm MQWs/2.5μm nGaN/2.0μm uGaN
Thickness5.5 ± 0.5μm
Roughness (Ra)<0.5 nm
Dislocation density< 5 × 108 cm-2
WavelengthBlue LEDGreen LED
465 ± 10 nm525 ± 10 nm
Wavelength FWHMs< 25 nm< 40 nm
Chip PerformanceCut-in voltage@1μA2.3-2.5V2.2-2.4V
Useable Area> 90% (edge and macro defects exclusion)

Package


Packaged in a cleanroom in a single wafer container


About Us

We specialize in processing a variety of materials into wafers, substrates and customized optical glass parts.components widely used in electronics, optics, opto electronics and many other fields. We also have been working closely with many domestic and oversea universities, research institutions and companies, provide customized products and services for their R&D projects. It's our vision to maintaining a good relationship of cooperation with our all customers by our good reputations.


FAQ

Q: Are you trading company or manufacturer ?
We are factory.
Q: How long is your delivery time?
Generally it is 3-5 days if the goods are in stock.
or it is 7-10 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
Payment <=5000USD, 100% in advance.
Paymen >=5000USD, 80% T/T in advance , balance before shippment.

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