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FieldMaser Resistive Glass products control the speed and direction of ions by generating a uniform electric field.
RGPs are proprietary lead silicate glass structures specially processed to create a resistive glass layer at the surface. Resistivity can be varied over several orders of magnitude to suit the specific application requirements.
Typical RPG applications include capillary inlet tubes, ion guides, drift tubes, ion mirrors, reflectron lenses, conversion diodes, collision cells and voltage dividers.
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Key Benefits |
Application |
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PHOTONIS Resistive glass products easily control speed and direction of charged particles Unique Process creates uniform fields in a wide variety of configuration Cross Section of reduced glass Wide range of robust formats Resistance tuned to optimize performance |
Unique Capabilities for Analytical Instrument Capillary Inlet Tubes improve ion transmission Multicapillary inlet Tubes provide increased sensitivity RGP Drift Tubes improve Ion Mobility Spectrometry RGP Reflectron Tubes simplify Time of Flight Mass Spectrometers |
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Property |
High Resistance Glass |
Low Resistance Glass |
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Softening temperature |
642℃ |
613℃ |
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Operating temperature range |
-20℃至400℃ |
-20℃至400℃ |
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Density |
4.44 g/cm3 |
5.07 g/cm3 |
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Annealing temperature |
480℃ |
482℃ |
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Temperature Coefficient of Resistivity |
~-0.85%/℃ |
~-0.65%/℃ |
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Thermal Expansion Coefficient |
78×10-7/℃ |
82×10-7/℃ |
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Typical Device Resistance Range |
109-1011 Ω |
105-109 Ω |
Photonis RGPs are protected under patent number 7,154,086 and 7,081,618.
Download Datasheet: www.photonis.com
