Image-forming apparatus and spacer

Details Image-forming apparatus and spacer Image-forming apparatus and spacer

2005-11-08

2005-11-08

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

Supporting and/or spacing elements

C313S495000, C313S609000, C313S238000

Reexamination Certificate

active

06963159

ABSTRACT:
An image-forming apparatus includes a first substrate, a second substrate, and a spacer that defines the spacing between the first substrate and the second substrate. The spacer has a portion ruggedized with grooves on the surface thereof exposed in the space between the first substrate and the second substrate. The grooves extend in a striped fashion substantially parallel with the first substrate and the second substrate. The ruggedized portion includes a plurality of regions, which are different from each other, in the ruggedized configuration. The image-forming apparatus thus controls an electron beam with a high accuracy, with no disturbance caused by the spacer.

REFERENCES:
patent: 5939822 (1999-08-01), Alderson
patent: 6222313 (2001-04-01), Smith et al.
patent: 6353280 (2002-03-01), Shibata et al.
patent: 6494757 (2002-12-01), Yamazaki et al.
patent: 6617772 (2003-09-01), Barton et al.
patent: 2002/0031974 (2002-03-01), Ito et al.
patent: 2002/0034916 (2002-03-01), Fushimi et al.
patent: 2000-311632 (2000-11-01), None

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