Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate
2007-03-27
2007-03-27
Williams, Joseph (Department: 2879)
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
C445S025000
Reexamination Certificate
active
11099579
ABSTRACT:
The present invention provides a method for fabricating an envelope, which has a high freedom of process, is economical and allows an easy process management. The method aims to fabricate an envelope formed by sealing first and members, the envelope having a vacuum space therein, and basically comprises a step of baking the first and second members in vacuum in a first chamber, a carrying step of carrying the first and second members subjected to baking from the first chamber to a second chamber in an atmosphere in which an air having a predetermined dew point is maintained at a temperature exceeding such dew point, and a sealing step of sealing the first and second members in vacuum in the second chamber thereby forming the envelope. The method allows to economically provide an image display device and an image display apparatus of satisfactory display quality.
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