Photonis designed the Daly Detector to reduce noise due to ion feedback while negating many of the surface characteristic changes seen in other electron multipliers at high pressure.
High gain (>1E6)
Operates at ambient pressures up to 30 mTorr
Reduces ion feedback
Enhanced detector lifetime
Minimal retrofit modifications
Description
The Daly Detector consists of a conversion dynode, a scintillator, and a photomultiplier tube. Incoming ions are accelerated to the conversion dynode producing secondary electrons. By combining the high sensitivity of a photomultiplier tube with a cylindrically-focuse
d electron optics configuration to out-perform similar products, Photonis’ Daly Detector provides the highest sensitivity available on the market today. This innovative technology has been optimized for use with an annular input at vacuum levels up to 30 mTorr. Because of its geometry, the Daly Detector is capable of measuring positive and negative primary ions using secondary electrons in both cases.
Photonis designed the Daly Detector to reduce noise due to ion feedback while negating many of the surface characteristic changes seen in other electron multipliers at high pressure.
- High gain (>1E6)
- Operates at ambient pressures up to 30 mTorr
- Reduces ion feedback
- Enhanced detector lifetime
- Minimal retrofit modifications
Description
The Daly Detector consists of a conversion dynode, a scintillator, and a photomultiplier tube. Incoming ions are accelerated to the conversion dynode producing secondary electrons. By combining the high sensitivity of a photomultiplier tube with a cylindrically-focused electron optics configuration to out-perform similar products, Photonis’ Daly Detector provides the highest sensitivity available on the market today. This innovative technology has been optimized for use with an annular input at vacuum levels up to 30 mTorr. Because of its geometry, the Daly Detector is capable of measuring positive and negative primary ions using secondary electrons in both cases.
