FWHM and XRD 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 [...]
2018-08-14meta-author
PAM XIAMEN offers 4″ (100mm) black lithium niobate (LiNbO3) 127.860Y-cut black wafer for Optics and SAW components
1. Dimension
Diameter/mm
100.0±0.3
Orientation Flat (OF)/mm
32.0±1.0
Second Refer. Flat (RF)/mm
10.0±3.0
Thickness/um
350±20
Edge bevel
Edge rounding
2. Specification
2.1 Orientation
Surface – cut:
127.860Y-cut±0.30
Orientation Flat (OF)
Parallel to +X Plane±0.30
Second Refer. Flat (RF)
CCW1350±0.50from OF
2.2 Flatness
TTV
≤5um
LTV
≤0.5um within an area of 5*5mm2
PLTV
≥95% (3mm [...]
2019-02-28meta-author
PAM-XIAMEN can offer 2” InGaN/GaN quantum well blue laser diode wafer on sapphire or silicon substrate as follows. The blue GaN LD wafer for commercial applications illustrates the great potential of III-V epitaxial wafers.
1. Specification of 440-460nm Blue GaN LD wafer
PAM190909-GAN-LD
Item
Descriptions
Materials
Substrate
blue laser
440-460nm
InGaN
2 inch Sapphire substrate***
GaN Blue LD EPI Wafer Spec
Spec
LD Epitaxial Wafer Size
Growth
MOCVD
Diameter
50.8 ± 0.2 [...]
2018-08-22meta-author
PAM-XIAMEN is able to supply nitrogen (N) doped silicon wafers, specifications please refer to:
https://www.powerwaywafer.com/silicon-wafer.
The doping of nitrogen as an impurity into silicon crystals not only has a beneficial effect on the performance of silicon wafers, but also has an important impact on the physical [...]
2024-04-16meta-author
PAM-XIAMEN, a wafer substrate supplier, offers epi ready substrate wafer as follows:
Wikipedia:
Substrate is a solid (usually planar) substance onto which a layer of another substance is applied, and to which that second substance adheres. In solid-state electronics, this term refers to a thin slice [...]
2018-02-12meta-author
PAM XIAMEN offers W – Tungsten Polycrystalline Metal Substrates.
General Properties for Tungsten
Symbol W
Atomic Number 74
Atomic Weight: 183.84
Crystal structure: BCC
Lattice constant at room temperature: 0.316 nm
Density: 19.25 g/cm3
Melting Point: 3422 °C
Boiling Point: 5555 °C
Tungsten (W) Polycrystalline Substrate: [...]
2019-05-20meta-author