Apparatus for manufacturing a dry sheet from a slurry

Details Apparatus for manufacturing a dry sheet from a slurry Apparatus for manufacturing a dry sheet from a slurry

2005-03-22

2005-03-22

Fiorilla, Chris (Department: 1734)

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

C118S672000, C118S688000, C118S712000

Reexamination Certificate

active

06869482

ABSTRACT:
A slurry raw material is applied onto a carrier film3in a coating section4, and a predetermined property related to the thickness of the slurry raw material is measured in a property-measuring section5in a wet mode before the slurry raw material is dried in a drying section6. A processing sub-section7acalculates an estimated value t of the thickness of a sheet from the target thickness of the sheet, a measurement of the slurry raw material property, and the slurry raw material density, to compare the estimated value t with the target value T of the sheet thickness. An adjusting output sub-section7btransmits signals for adjusting the thickness to a thickness-adjusting device9on the basis of the above comparison result, to efficiently and precisely control the thickness of the slurry raw material applied onto the carrier film3.

REFERENCES:
patent: 4698192 (1987-10-01), Kuze et al.
patent: 5958137 (1999-09-01), Caldwell et al.
patent: 6096370 (2000-08-01), Mori et al.
patent: 11-77627 (1999-03-01), None
IBM Technical Disclosure Bulletin NN77044162, Apr. 1, 19977, IBM, “Calibration Fixture for Green Ceramic Sheet Thickness Senor”, vol. 19, Issue 11, p. 4162.

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