Method of manufacturing a pyroelectric vidicon target, apparatus

Details Method of manufacturing a pyroelectric vidicon target, apparatus Method of manufacturing a pyroelectric vidicon target, apparatus

1980-10-27

1982-09-14

Silverman, Stanley S.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

C23F 104

Patent

active

043494102

ABSTRACT:
A method of manufacturing a target from a pyroelectric material exhibiting ferroelectric domains includes the steps of poling the target in a uniform direction and then etching a central region of the target to produce a thin target with a thick support rim around an outer edge. An apparatus for poling wafers of pyroelectric material includes two electrodes spaced a fixed distance apart by an electrode separator. The pyroelectric material is mounted in the separator at a fixed position between the electrodes. An electrically insulating liquid dielectric fills the spaces between the electrodes and the pyroelectric material in order to maximize the electric field across the material. A pyroelectric target produced by poling prior to etching exhibits reduced surface anomolies and improved image quality.

REFERENCES:
patent: 4018638 (1977-04-01), Singer et al.

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