Method for producing spacer and spacer

Details Method for producing spacer and spacer Method for producing spacer and spacer

2006-05-30

2006-05-30

Santiago, Mariceli (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C445S023000

Reexamination Certificate

active

07052354

ABSTRACT:
In a method of producing a spacer for a display apparatus by heat drawing a base glass material having a cross section with different dimensions in a longitudinal and lateral directions and then cutting into a desired length, a base glass material in which a high-viscosity glass material is combined on both ends of a low-viscosity glass material is drawn within a temperature range in which both glass materials have different viscosities. Such method avoids a deformation of the spacer such as an expansion or a rounding at the longitudinal ends in the cross section of the spacer or a constriction in an intermediate portion in the longitudinal direction.

REFERENCES:
patent: 6494757 (2002-12-01), Yamazaki et al.
patent: 6517399 (2003-02-01), Ito et al.
patent: 2001/0034175 (2001-10-01), Miyazaki et al.
patent: 2001/0041490 (2001-11-01), Nomura et al.
patent: 2002/0004354 (2002-01-01), Kaneko et al.
patent: 2000-164129 (2000-06-01), None
patent: 2000-311608 (2000-11-01), None

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