GB/T 3351-1982 Model designation of artificial quartz crystals

This model name applies to all types of artificial quartz crystals. GB/T 3351-1982 Model name of artificial quartz crystals GB/T3351-1982 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Designatlons for synthetic quartz crystalsbZxz.net
Designatlons for synthetie quartz crystalsThis model name applies to various types of synthetic quartz crystals. The model of synthetic quartz crystal can be composed of five parts. UDC 621.315.613
.3: 001.4
GB3351-82
The first part uses a capital Latin letter to indicate the type of water; the second part uses an Arabic numeral to indicate the orientation of the seed crystal, which is marked in the lower right corner of the first part; the third part uses a single Arabic letter to indicate the grade of Q value; the fourth part uses an Arabic numeral to indicate the type of inclusions, which is marked in the lower right corner of the third part; the fifth part uses two Arabic numerals to indicate the size of the seven directions, and a straight line segment separates the fifth and fourth parts. Example of artificial crystal model writing:
Additional instructions:
Dimension in the Z direction is 38mm
Type 1 inclusions
A-grade Q value
Seed crystal orientation is 0"
Y rod artificial crystal
Dimension in the Z direction is 50 mm
Type 2 inclusions
D-grade Q value
Seed crystal orientation is +5°
Y block artificial crystal
This standard was proposed by the Ministry of Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the Standardization Research Institute of the Ministry of Electronics Industry. This standard was drafted by Factory 707 of the Ministry of Electronics Industry. The main drafters of this standard are Jing Hezhen and Xie Xianzhen. It was issued by the National Bureau of Standards on December 27, 1982
Implemented on October 1, 1983
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