Coating apparatus

Details Coating apparatus Coating apparatus

1994-09-12

1998-01-27

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, B05C 302

Patent

active

057118078

ABSTRACT:
An apparatus for high speed manufacturing of thin-film coated products, wherein the coating thickness is even and the products do not contain uneven streaks. The apparatus includes a coating head having a frontedge disposed on an upstream side of a support, a backedge disposed on a downstream side of the support, and a top end receding stepwise away from the frontedge and away from the support. The backedge has an acute-angled top end portion. The coating apparatus is configured so that filtration central-line waves (W.sub.CA) are formed in a direction perpendicular to the direction of movement of the support. These waves are formed in slit inner surfaces, a frontedge surface and a backedge surface of a top end portion of the coating head. Each wave in these surfaces is less than or equal to 0.2 .mu.m in length.

REFERENCES:
patent: 4537801 (1985-08-01), Takeda
patent: 4748057 (1988-05-01), Kageyama et al.
patent: 5072688 (1991-12-01), Chino et al.
patent: 5133281 (1992-07-01), Eriksson
patent: 5136972 (1992-08-01), Naka et al.
patent: 5145528 (1992-09-01), Watanabe et al.

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