Method of manufacutring a thermal imaging device with thermally

Details Method of manufacutring a thermal imaging device with thermally Method of manufacutring a thermal imaging device with thermally

1986-10-20

1989-03-28

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

29 2535, 295921, 2503382, 2503383, G07J 522

Patent

active

048151998

ABSTRACT:
A thermal imaging device is manufactured by providing electrodes on opposite sides of a slab of ferroelectric or pyroelectric material. A sheet of electrically and thermally insulating material is bonded to the signal electrode layer on one side of the slab. An electrically conductive layer is provided on the insulating sheet. An array of spaced bores is then formed. Each bore extends through the electrically conductive layer down to the signal layer. The bores are then coated with electrically conductive material to electrically connect the signal electrode layer to the electrically conductive layer. Thereafter, a pattern of channels is formed surrounding the bores. The channels extend through the electrically conductive layer down to the slab, so as to form separate pillars of insulating material from the insulating sheet, and separate signal electrodes from the signal layer. Finally, the electrically conductive coated bores are connected to a circuit substrate by way of solder bumps.

REFERENCES:
patent: 4009516 (1977-03-01), Chiang et al.
patent: 4354109 (1982-10-01), Gelpey et al.
patent: 4383174 (1983-05-01), Matsumura et al.
patent: 4593456 (1986-06-01), Cheung
patent: 4663529 (1987-05-01), Jenner et al.

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