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US 2006/0233954 A1Published application
Method and apparatus for producing a uniform film on a substrate
OwnerDonald Parriott, Sadath Khan +1inventors
InventorsDonald Parriott, Sadath Khan, Edward Janos
Life of this patent
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Abstract
A coater and drier system for uniformly depositing a film on a substrate or backing member. A vacuum bar positioned under the substrate is utilized to smooth out and make the substrate uniform as it passes beneath a spreader bar member or roller member in order to provide a layer of film forming liquid material on a substrate of a prespecified thickness.
Claims10
A method of forming a film member having uniform thickness;
- providing a backing member;
- applying film material in a liquid form on said backing member;
- spreading said liquid film material evenly on said backing member;
- applying a vacuum suction to said backing member in order to provide a planar surface for said liquid film material;
- and
- drying and solidifying said liquid film material into a solid film member.
3 more elements
Dependencies are inferred from the claim text.