Crystal unit and method of adjusting crystal unit
AssigneeFujitsu Limited
InventorsHajime Kubota, Masayuki Itoh, Masakazu Kishi
Life of this patent
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Abstract
A crystal unit includes: a capacitor body in which a plurality of light-transmitting dielectrics and a plurality of internal electrodes are alternately stacked; a crystal piece arranged above the capacitor body and having excitation electrodes on both surfaces thereof; an external electrode formed on a surface of the capacitor body; and a first conductor portion formed in an inner layer of the capacitor body, and including one end electrically coupled to a first internal electrode among the plurality of internal electrodes, and the other end electrically coupled to the external electrode.
Claims14
A crystal unit comprising:
- a capacitor body in which a plurality of light-transmitting dielectrics and a plurality of internal electrodes are alternately stacked;
- a crystal piece arranged above the capacitor body and having excitation electrodes on both surfaces thereof;
- an external electrode formed on a surface of the capacitor body;
- and
- a first conductor portion formed in an inner layer of the capacitor body, and including one end electrically coupled to a first internal electrode among the plurality of internal electrodes, and the other end electrically coupled to the external electrode,
- a fourth internal electrode among the plurality of internal electrodes includes one end portion that is exposed on the surface of the capacitor body and is electrically coupled to the external electrode.
A crystal unit comprising:
- a capacitor body in which a plurality of light-transmitting dielectrics and a plurality of internal electrodes are alternately stacked;
- a crystal piece arranged above the capacitor body and having excitation electrodes on both surfaces thereof;
- an external electrode formed on a surface of the capacitor body;
- a first conductor portion formed in an inner layer of the capacitor body, and including one end electrically coupled to a first internal electrode among the plurality of internal electrodes, the other end electrically coupled to the external electrode, and a disconnecting portion formed between the one end and the other end;
- and
- a coated conductor portion formed in the disconnecting portion and including a conductor coated with an insulating material.
Dependencies are inferred from the claim text.