PROCESS FOR PRODUCING LAMINATED FILM CAPACITOR
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Dec 25, 2006
filing date -
Dec 27, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a method for producing a multilayered film capacitor prepared by laminating a dielectric layer and a metallic layer comprising aluminum, characterized in comprising a step of treating a capacitor element with a solution containing at least a phosphoric acid compound, especially any one of phosphoric acids, phosphates and phosphoric esters, more specifically an aluminum hydrogenphosphate, or further characterized in that the aluminum hydrogenphosphate is aluminum monohydrogenphosphate (Al.sub.2(HPO.sub.4).sub.3) or aluminum dihydrogenphosphate (Al(H.sub.2PO.sub.4).sub.3), or further characterized in comprising a step of heating the capacitor element after the step of treating the capacitor element with the solution containing aluminum hydrogenphosphate, moreover characterized in that the maximum temperature of the surface of the capacitor element, during the step of heating, is from 200.degree. C. to 280.degree. C.
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