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Title:
VACUUM ENVELOPE AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JPH02250240
Kind Code:
A
Abstract:

PURPOSE: To make a vessel light in weight by constructing a metal vessel part in double structure, and furnishing a support in the space nipped thereby.

CONSTITUTION: A face plate 1 made of glass is adhered to an interior metal- coated vessel 2 by the use of frit 3, while an exterior metal-coated vessel adhered to the outside of the interior metal-coated vessel 2 with a support 5 interposed. The face plate 1 is made of soda glass having undergone a surface strengthening treatment, while the two vessels 2, 4 made of a substance prepared from 42-6 alloy subjected to a die contraction process. This accomplishes lightweight construction of an electron tube, particularly a flat plate type display device.


Inventors:
TAKAHASHI MASAYUKI
HASHIGUCHI JUNPEI
HAMADA KIYOSHI
KITAO SATOSHI
NONOMURA KINZO
Application Number:
JP6971489A
Publication Date:
October 08, 1990
Filing Date:
March 22, 1989
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01J9/24; H01J5/02; H01J5/03; H01J29/86; H01J29/87; H01J31/12; (IPC1-7): H01J9/24; H01J29/86; H01J31/12
Attorney, Agent or Firm:
Akira Kobiji (2 outside)



 
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