LIQUID CRYSTAL POLYMER FILM

PROBLEM TO BE SOLVED: To provide a film and manufacturing process thereof, wherein the film is especially flat and has an almost uniform coefficient of thermal expansion in all planar directions despite local unevenness by direction in coefficient of thermal expansion for each of its layers. SOLUTIO...

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Bibliographische Detailangaben
Hauptverfasser:	LUSIGNEA RICHARD W, RUBIN LESLIE S, HARVEY ANDREW C
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES PRINTED CIRCUITS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a film and manufacturing process thereof, wherein the film is especially flat and has an almost uniform coefficient of thermal expansion in all planar directions despite local unevenness by direction in coefficient of thermal expansion for each of its layers. SOLUTION: A biaxially oriented integral film structure is formed by; forming two separate intermediate films respectively having substantially biaxial orientation from a liquid crystal polymer of high thermal and chemical stabilities using a double ring tube extrusion die, and subsequently laminating the intermediate films by a continuous method. COPYRIGHT: (C)2006,JPO&NCIPI