Biaxially oriented polyester film

Provided is a biaxially oriented polyester film capable of achieving both sliding properties with respect to metal rolls and uniformity of fine wiring resist shape. A biaxially oriented polyester film configured such that at least one surface is a surface A that satisfies (1a) and (2a) when observed...

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Bibliographische Detailangaben
Hauptverfasser:	HIGASHIOJI, TAKUJI, SENDAI, TOSHIHIRO, SATO, KOHEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is a biaxially oriented polyester film capable of achieving both sliding properties with respect to metal rolls and uniformity of fine wiring resist shape. A biaxially oriented polyester film configured such that at least one surface is a surface A that satisfies (1a) and (2a) when observed using AFM with a 5 [mu]m-square field of view under specific conditions. (1a) The number of valley regions having a height from a reference plane of -2 nm or lower ranges from 100/5 [mu]m□ to 500/5 [mu]m□ inclusive. (2a) The average cross-sectional area of valley regions having a height from a reference plane of -2 nm or lower ranges from 2000 nm2 to 8000 nm2 inclusive.