Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2006-04-04
2006-04-04
Ton, Toan (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S117000, C428S162000
Reexamination Certificate
active
07023505
ABSTRACT:
A method for stretching an optical polymer film is described, which comprises allowing a locus L1 of the holding means from a substantial holding Initiation point to a substantial holding release point on one edge of the polymer film, a locus L2 of the holding means from a substantial holding initiation point to a substantial holding release point on the other edge of the polymer film, and a distance W between the two substantial holding release points to satisfy the following equation (1), maintaining the supporting property of the polymer film, stretching the film in the presence of a state in which the volatile content is 5% or more, and then, decreasing the volatile content while shrinking the film:in-line-formulae description="In-line Formulae" end="lead"?|L2−L1|>0.4W. (1)in-line-formulae description="In-line Formulae" end="tail"?
REFERENCES:
patent: 6593984 (2003-07-01), Arakawa et al.
patent: 6746633 (2004-06-01), Sakamaki et al.
patent: 2004/0052937 (2004-03-01), Ito et al.
patent: 2-113920 (1990-04-01), None
patent: 2000-9912 (2000-01-01), None
Sakamaki Satoshi
Taguchi Keiichi
Buchanan & Ingersoll PC
Ton Toan
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