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04.01.2017 00:00 - NQW`s announces two new major production contracts and succeful qualification

NQW a global wafer technology company, today announces that it has received two new major...

20.02.2016 00:00 - NQW today announced that it has a new geometry instrument and DIC microscope successfully installed.

NQW today announced that it has a new geometry instrument and DIC microscope successfully...

10.07.2015 13:49 - Lithium tantalate wafer - New CMP & Reclaim Process

Lithium tantalate wafer in recent years, with the rapid development of communications, information...


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Synthetic Quartz Wafer e.g. for Piezoelectric applications

NQW produced this Quartz disks and substrates for sensor manufacture and related R&D centres.  The Application of Quartz disks and substrates are especially used for all kinds of sensor module manufacture such as piezoelectric accelerometers, load cells, pressure transducers and impulse hammers. 

NQW materials from the major manufacturers in all grades and specifications. All syntetic quartz offered by NQW is certified by the manufacturers.

 

Blanks & Wafer Dimension

  • Customer defined Wafer 2" up to 6"
  • Hole: half or full
  • Outer Dimension: 3mm to 75mm
  • Inner Dimension: 1mm to 45mm
  • SAW grade
  • Optical grade

Wafer Properties

  • Thickness >100m up to 500m
  • Surface: single side polished,
  • Surface: double side polished,
  • Convex-Plano, Plano-Plano, Bevel
  • Other parameter are customized

Materials

  • SAW grade: typical types: AT-cut & ST-cut
  • Optical grade: typical types: X-cut, Y-cut, Z-cut
  • Pure Z Q value≥ 2.410 E6, Q value≥ 1.8 ;2.4; and 3.010 E6
  • Y Bar Q-value ≥1.8106, Etch Channel density ≤300/cm2

Application

  • Pure Z for communication
  • Y Bar for Consumer Electronics
  • Sensor Application
  • quartz blanks for Piezoelectric



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