| 摘要 |
A process for manufacturing a quartz crystal element consists of the steps of producing plural quartz layers on a surface of a crystalline substrate having a lattice constant differing from that of quartz crystal, in which each of the quartz layers consists of a crystalline phase and an amorphous phase, and percentage of the crystalline phase in the quartz layer farther from the substrate is larger than percentage of the crystalline phase in the quartz layer adjacent to the substrate; and producing an epitaxially grown quartz crystal film on the surface of the quartz layer farther from the substrate by a reaction between silicon alkoxide and oxygen.
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