TRANSPARENT FILM HEATER

To provide a transparent film heater with uniform temperature distribution.SOLUTION: A transparent film heater 1 comprises: a transparent film substrate 2; a pair of electrodes 3 and 4 formed in a band shape on one surface of the film substrate 2 and oppositely arranged; a heat generation body 5 tha...

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Bibliographische Detailangaben
Hauptverfasser: KOIZUMI TOMOKI, HASHIMOTO TAKUYA, YOKOYAMA TAKASHI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a transparent film heater with uniform temperature distribution.SOLUTION: A transparent film heater 1 comprises: a transparent film substrate 2; a pair of electrodes 3 and 4 formed in a band shape on one surface of the film substrate 2 and oppositely arranged; a heat generation body 5 that is formed in a surface shape between the pair of electrodes 3 and 4 so as to be electrically connected to the pair of electrodes 3 and 4, and is made of a transparent conductive film; and terminals 6 and 7 that are electrically connected to the pair of electrodes 3 and 4 at one end on the same side directly or via piping distribution lines 16 and 17. The heat generation body 5 includes a pattern divided into a plurality of conductive regions 5a, 5b, 5c, and 5d in a direction from the one end as a connection side with the terminals 6 and 7 of the pair of electrodes 3 and 4 to the other end. In the plurality of conductive regions, a value of (a potential difference V between electrodes)×(an inner-surface path length L)/(an inner-surface width W) is equal in any conductive region.SELECTED DRAWING: Figure 1 【課題】 均一な温度分布の透明フィルムヒーターを提供する。【解決手段】 本発明の透明フィルムヒーター1は、透明なフィルム基材2と、フィルム基材2の一方の面に帯状に形成され、対向して配置された一対の電極3,4と、一対の電極3,4の間に、一対の電極3,4と電気的に接続されるように、面状に形成された透明導電膜からなる発熱体5と、一対の電極3,4の同じ側の一端に、直接又は引き回し配16,17線を介して、それぞれ電気的に接続された端子6,7と、を備えている。発熱体5が、一対の電極3,4の端子6,7との接続側である一端から他端に向かう方向において、複数の導電領域5a,5b,5c,5dに分割されたパターンを有し、複数の導電領域が、いずれの導電領域においても(電極間の電位差V)×(面内経路長L)/(面内幅W)の値が等しくなっている。【選択図】 図1