Method and apparatus for producing a green sheet with an even th

Details Method and apparatus for producing a green sheet with an even th Method and apparatus for producing a green sheet with an even th

1998-09-09

2000-08-01

Bareford, Katherine A.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 10, 427356, 264650, 264 407, 118712, 118410, B05D 314, B05C 1100

Patent

active

060963700

ABSTRACT:
The present invention is to produce a ceramic green sheet with an even thickness. By supplying a ceramic slurry to a slurry room comprising a slurry coater, contacting a carrier film to the fringe part of an opening of the slurry room with pressure so as to close the opening, and moving the carrier film along the opening in the state, a ceramic green sheet made from the slurry can be formed on the carrier film. At the time, based on the actual flow rate data on the actual flow rate of the slurry measured by the flow meter and the actual thickness data on the actual thickness of the green sheet measured by the film thickness meter, appropriate flow rate data on the appropriate flow rate of the slurry to be supplied for obtaining a green sheet with a desired thickness are sought in an appropriate flow rate data calculating means so that the flow rate of the slurry is controlled by the flow rate controlling means based thereon.

REFERENCES:
patent: 4426239 (1984-01-01), Upmeier
patent: 4836134 (1989-06-01), Knop
patent: 5418004 (1995-05-01), Chin et al.
patent: 5756163 (1998-05-01), Watanabe

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