Patent ID: 11929709
Assignee: DAISHINKU CORPORATION
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. An oven-controlled crystal oscillator comprising a core section including a piezoelectric resonator, an oscillator IC and a heating element, wherein
the core section comprises a layered structure in which the oscillator IC, the piezoelectric resonator and the heating element are laminated,
the core section is supported by a package via a core substrate, and furthermore is hermetically encapsulated in the package,
the core substrate is formed in a flat plate shape,
the package is provided with a recess part whose upper part is opened,
the core section is supported by the core substrate so as to be hung inside the package,
a pair of step parts facing each other is formed inside the package,
the core substrate is disposed so as to be bridged between the pair of step parts, and
the core section is disposed so as to be housed in a space between the pair of step parts.