18689537. FOLDABLE SUBSTRATES AND METHODS OF MAKING (CORNING INCORPORATED)
FOLDABLE SUBSTRATES AND METHODS OF MAKING
Organization Name
Inventor(s)
DOUGLAS CLIPPINGER Allan of CORNING NY US
YOUSEF KAYED Qaroush of PAINTED POST NY US
STEVEN S Rosenblum of SAN JOSE CA US
CHUANCHE Wang of HORSEHEADS NY US
FOLDABLE SUBSTRATES AND METHODS OF MAKING
This abstract first appeared for US patent application 18689537 titled 'FOLDABLE SUBSTRATES AND METHODS OF MAKING
Original Abstract Submitted
Foldable substrates comprise a substrate thickness from about 80 micrometers to about 2 millimeters. Foldable substrates comprise a first portion, a second portion, and a central portion positioned therebetween. The central portion comprises a central thickness from about 25 micrometers to about 80 micrometers defined between a first central surface area and a second central surface area. A central total thickness variation of the central portion over the first central surface area is less than or equal to 10 micrometers. The central portion comprises a first transition region extending between a first surface area of the first portion and the first central surface area. The first central surface area is recessed from the first major surface by a first distance. A thickness of the first transition region smoothly and monotonically decreases between the substrate thickness of the first portion and the central thickness of the central portion.
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