Title:
AIRTIGHT SEAL METHOD OF PIEZOELECTRIC ACTUATOR FOR HIGH TEMPERATURE
Document Type and Number:
Japanese Patent JP2001119964
Kind Code:
A
Abstract:
To provide an airtight seal method of a piezoelectric actuator, capable of accurately transmitting displacement of a movable mechanism to the outside, even if used under high temperature.
This airtight sealing method of a piezoelectric actuator for high temperature, inserting a movable element constituted by the piezoelectric actuator into an envelope consisting of stainless steel, airtightly seals a stem to the beveling part of this envelope by welding under a temperature or higher operating the element and 200°C or lower.
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Inventors:
MINAMI NOBUYUKI
MATSUNO SUSUMU
FUKUDA YUTAKA
MATSUNO SUSUMU
FUKUDA YUTAKA
Application Number:
JP29076699A
Publication Date:
April 27, 2001
Filing Date:
October 13, 1999
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP
International Classes:
F16B11/00; B23K9/00; B23K15/00; B23K26/21; H02N2/00; B23K101/36; (IPC1-7): H02N2/00