Image forming apparatus capable of suppressing a fluctuation...

Details Image forming apparatus capable of suppressing a fluctuation... Image forming apparatus capable of suppressing a fluctuation...

2007-08-28

2007-08-28

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

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

Supporting and/or spacing elements

C313S495000

Reexamination Certificate

active

11289698

ABSTRACT:
The invention is to provide a flat panel image forming apparatus capable of suppressing a fluctuation in an incident position of an electron beam resulting from a front-rear temperature difference generated in a panel, thereby capable of high-quality display not affected by such temperature difference. An image forming apparatus comprises a face plate and a rear plate supported by a spacer, wherein a heat resistance division ratio in a heat conduction, path from the face plate to the rear plate is suppressed to 0.5 or less, to reduce an electrical resistance distribution on the spacer surface which results from a temperature distribution in a direction of height of the spacer thereby suppressing a fluctuation in the incident position of the electron beam from an electron emitting device to an anode.

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JSME Data Book: Heat Transfer 4thEdition, The Japanese Society of Mechanical Engineers, 1986, p. 5.

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