166894 ⎘
Vacuum gauges by making use of ionisation effects using electric discharge tubes with thermionic cathodes
DIAPHRAGM PRESSURE GAUGE AND COMPOUND PRESSURE GAUGE
#2OPERATING METHOD FOR A GROUP OF PRESSURE SENSORS
#3DIAPHRAGM PRESSURE GAUGE AND COMPOUND PRESSURE GAUGE
#4Fast pressure sensing system
#5Cold cathode ionization vacuum gauge with multiple cathodes
#6Cryopump, cryopumped gas amount estimation device, and cryopumped gas amount estimation method
#7Ionization gauge for high pressure operation
#8Ionization pressure gauge with bias voltage and emission current control and measurement
#9Devices and methods for feedthrough leakage current detection and decontamination in ionization gauges
#10Wireless thermionic sensor package and methods of using
#11Wireless thermionic sensor
#12Long lifetime cold cathode ionization vacuum gauge design
#13Ionization gauge for high pressure operation
#14Ionization gauge with emission current and bias potential control
#15Cold cathode ionization vacuum gauge and inner wall protection member
#16Ionization gauge with operational parameters and geometry designed for high pressure operation
#17Vacuum measurement device with ion source mounted
#18Device for measuring mean free path, vacuum gauge, and method for measuring mean free path
#19Ionization gauge with emission current and bias potential control
#20Ionization gauge with operational parameters and geometry designed for high pressure operation
#21Electron source for a vacuum pressure measuring device
#22Ionization vacuum gauge
#23Ionization vacuum gauge
#24Wide-range combination vacuum gauge
#25Wide-range combination vacuum gauge
#26Vacuum measuring gauge
#27Ionization gauge
#28Ionization gauge
#29Method and apparatus for characterizing homodyne transmitters and receivers