Title:
ENVELOPE
Document Type and Number:
Japanese Patent JP2004192809
Kind Code:
A
Abstract:
To provide a high vacuum envelope by an easy and inexpensive manufacturing method by using a small manufacturing device.
In a sealing method of a W-In composition, a lower side substrate and a frame are joined at an edge portion. In addition, a frame part faying surface is chamfered, and an undercoating layer for enhancing anti-leakage performance is formed in a junction portion.
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Inventors:
TOKIOKA MASAKI
HASEGAWA MITSUTOSHI
MIURA NORITAKA
HASEGAWA MITSUTOSHI
MIURA NORITAKA
Application Number:
JP2002355316A
Publication Date:
July 08, 2004
Filing Date:
December 06, 2002
Export Citation:
Assignee:
CANON KK
International Classes:
H01J29/86; H01J5/02; H01J31/12; (IPC1-7): H01J29/86; H01J5/02; H01J31/12
Attorney, Agent or Firm:
Keizo Nishiyama
Yuichi Uchio
Yuichi Uchio