A Method of Adjusting Resonant Frequency and Frequency-Temperature Coefficients of Miniaturized GT Cut Quartz Resonators,
Abstract
The new type miniaturized GT cut quartz crystal resonator developed by us consists of a vibrational portion and two supporting portions incorporated into one-body by a photolithographic process. It is highly shock resistant and has excellent frequency temperature characteristics over a wide temperature range. It is, however, impossible to avoid a distribution of resonant frequency of a principal vibration caused by that of dimensions and a distribution of frequency temperature characteristics caused by that of a dimensional ratio in resonator production. We have been developing a method of adjusting the resonant frequency of the principal vibration and frequency temperature coefficients of the miniaturized GT cut quartz crystal resonator. Consequently, by eliminating weights disposed on a plurality of positions of a vibrational portion or by adding weights on a plurality of positions of a vibrational portion, we have established a method of adjusting the resonant frequency of the principal vibration and the frequency temperature coefficients. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1982
- Accession Number
- ADP001508
Entities
People
- A. Kudo
- A. Nakajima
- H. Kawashima
- O. Ochiai