Appeal No. 96-3394 Page 2
Application No. 08/178,748
The invention is directed to an image converter. More
particularly, glimmer from a surface of an insulating part
which supports electrodes is reduced, or eliminated, by
covering the insulating parts with a thin layer of amorphous
diamond-like carbon.
Independent claim 6 is reproduced as follows:
6. An image converter tube including a vacuum chamber
and within the vacuum chamber comprising:
an input screen including a scintillator and a
photocathode, for converting input X-rays into electrons;
an output screen for receiving the electrons generated by
the input screen;
an electronic optical unit for focusing the electrons onto
the output screen, the electronic optical unit comprising:
a plurality of electrodes;
a plurality of insulating parts fixing the plurality of
electrodes; and
a thin layer of amorphous diamond-like carbon formed to
cover the plurality of insulating parts.
The examiner relies on the following references:
Kaseman 4,001,618 Jan. 4,
1977
Ichikawa et al. (Ichikawa) 4,459,508 Jul. 10,
1984
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