Crystal parameters, Crystal parameters -2, Igure – INFICON RQCM - Quartz Crystal Microbalance Research System User Manual
Page 40: 8 inficon, Iameter, Rystals, Lectrode, Onfiguration, Inficon, Rystal
RQCM – RESEARCH QUARTZ CRYSTAL MICROBALANCE
CRYSTALS, HOLDERS AND FLOW CELL
4-2
Figure 8 INFICON 1-Inch Diameter Crystals – Electrode Configuration
The figure below shows a INFICON 1” diameter as seen from the front side.
Figure 9 INFICON 1" Crystal - as Seen From The Front Side
4.1.2 CRYSTAL
PARAMETERS
Polished one-inch diameter crystals that are commonly available for liquid work have the typical
values as listed below.
Type Frequency
Range (MHz)
Electrode
Material
Resistance
(ohms)
Q Factor
5 MHz
4.976 – 5.020
Gold
~10
120,000
9 MHz
8.976 – 9.036
Gold
~7
55,000
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