An important dispersion in the Rsheet measurement of AlGaN/GaN wafers was found on different samples, with or without SiN passivation. The dispersion is due to a drift of the Rsheet appearing when the sample is placed in the dark. This drift is different for each sample [...]
PAM XIAMEN offers Large Size Photomask.
Chromium plate accuracy (Standard Size:430mmx430mm)
Accuracy/Grade
Max Accuracy
High-precision
Medium accuracy
General accuracy
Min.Line/Space Width
0.75μm/0.75μm
5μm/5μm
10μm/10μm
20μm/20μm
CD Control
±0.15μm(QZ)
±0.5μm
±1.0μm
±2.0μm
Total Pitch Accuracy
±0.5μm(QZ)
±1.0μm
±2.0μm
±2.0μm
Registration Accuracy
±0.5μm(QZ)
±1.0μm
±2.0μm
±3.0μm
Overlay Accuracy
±0.5μm(QZ)
±1.0μm
±2.0μm
±3.0μm
Orthogonality
±0.75μrad
±2.0μrad
±3.0μrad
±4.0μrad
Chrome plate material (Photomask blank plate)
Material
SodaLimeGlass、Quartz
Max. Size
850mm*1400mm
Normal Size
420mmx520mm,520mm*610mm,520mm*800mm,700mm*800mm,
800mm*920mm,800mm*960mm,850mm*1200mm,850mm*1400mm
Thickness
2.3±0.2mm,3.0±0.2mm,4.8±0.2mm,7.8±0.2mm,
5.0±0.2mm(QZ),8.0±0.2mm(QZ),10.0±0.2mm(QZ)
Film Type
LowReflectanceChrome
Optical Density
(λ=450nm)
BetweenPlates3.0±0.3InPlate±0.3
Reflectivity
(λ=436nm)
BetweenPlates10±5%InPlate±2%
Main application areas:
1、LCD, TFT, CF, TouchPanel, OLED, PDP and other flat panel display industries
2、HDI, [...]
2019-07-04meta-author
1.Introduction of CZT Portable Spectrum Analyzer
CZT_PES01 is used for nuclides identification.
It was designed to work with CZT detectors.
The instrument integrated low noise preamplifier,
shaping amplifier, high voltage, DMAC, software and LED screen.
A battery also built in it.
2.Technique data of CZT Portable Spectrum [...]
2021-03-02meta-author
Monocrystalline Germanium (Ge) ingot is provided with P type by PAM-XIAMEN. Germanium crystal does not contain large-angle grain boundaries or twin crystals. It has a diamond-shaped crystal structure and is an important semiconductor material. According different applications, single crystal germanium ingot can be divided [...]
2021-10-08meta-author
PAM XIAMEN offers LiF Lithium Fluoride Crystal.
LiF crystal has excellent VUV region transmittance. It is used for windows, prisms, and lenses in the visible and infrared in 0.104 μm – 7 μm. LiF crystal is sensitive to thermal shock and would be attacked by [...]
2019-03-14meta-author
Silicon dioxide wafer can be offered by PAM-XIAMEN, which is single / double side polished and one-sided / double-sided oxidation in various sizes. In the integrated circuit process, oxidation is an indispensable process technology. Since early people discovered that the diffusion rate of impurity [...]
2019-04-29meta-author