GaN HEMT RF Epitxial Wafer on Si substrate, which is a wide bandgap semiconductor, can be offered by PAM-XIAMEN. The GaN HEMT on Si wafer has obvious advantages in the high-power, high-frequency application field. As for the GaN HEMT RF devices, they include PA, LNA, [...]
2019-05-17meta-author
PAM XIAMEN offers (100) orientation Silicon Substrates.
Below is just a small selection. Let us know if you can use or if we can quote you on another spec.
Item
Material
Orient.
Diam
(mm)
Thck
(μm)
Surf.
Resistivity
Ωcm
Comment
PAM2841
Intrinsic Si:-
[100]
4″
300
P/E
FZ 16,000-20,000
SEMI Prime, 1Flat, Empak cst, Back-side polish is imperfect
PAM2842
Intrinsic Si:-
[100]
4″
500
P/E
FZ 13,000-20,000
SEMI Prime, 1Flat, Empak cst, TTV<5μm, [...]
2019-02-22meta-author
Energy resolution report
A test report is necessary to show the compliance between custom description and our final wafers data. We will test the wafer characerization by equipment before shipment, testing surface roughness by atomic force microscope, type by Roman spectra instrument, resistivity by non-contact [...]
2018-08-14meta-author
Coulometric determination of arsenic in gallium arsenide crystal wafers
The determination of small variations in the stoichiometry of undoped, semi-insulating gallium arsenide can be achieved by using constant current coulometry. Samples taken from a wafer are etched in HF, dissolved in NaOH-peroxide solution, then treated [...]
PAM XIAMEN offers Cr – Foil and Substrate.
Cr Metallic Substrate ( polycrystalline): 10×10 x 1.0 mm, 1 side polished-1
Polycrystal Cr ( Chromium ) metallic substrate
Purity: > 99.99%
Substrate dimension: 10×10 x 1.0 mm,
Surface finish: one side polished
Colbat Properties
Name: [...]
2019-05-08meta-author
Sapphire Substrate Market in 2013
Will cell phone windows come to the rescue?
Significant overcapacity and low LED substrate prices will affect the profitability and viability of many sapphire players in 2013 and beyond, but emerging applications could transform the industry.
The sapphire material shortage experienced from [...]
2013-01-10meta-author