A system and method of administering, tracking and managing of claims processing. Field of the Invention The present invention relates to insurance claim processing systems in general, and more particularly to administering, tracking and managing insurance claim processing systems.
The average percentage in weight of copper in an aluminum layer is preferably between 2 and 5 percent. The coating is vapor deposited. Description The present invention relates to self healing electrical capacitors.
More particularly, it relates to AC capacitors which have thin aluminum layers which deteriorate increasingly with increasing field strength. This causes surface losses which lead to decreasing capacitance values.
In order to prevent this undesired decrease in capacitance in the known capacitors, smaller field strength are utilized then would otherwise be permitted by the dielectric. This deterioration therefore also causes higher costs for the capacitor and a greater volume then would otherwise be necessary.
THE INVENTION It is an object of the invention to prevent the deterioration of the aluminum layer to the extent that this deterioration does not take place at the highest possible field strength for the dielectric being used or a least to reduce this deterioration to a point where it is negligible.
In accordance with the invention, the coating on the dielectric contains a small amount of evenly distributed copper. In a preferred embodiment the coating is an aluminum coating which is vapor deposited on the dielectric. The percentage by weight of copper ranges between 0.
Proportions of copper of less than 0. Vapor depositing of the coating has the advantage of creating very even layers at a relatively low cost.
The single figure shows the simplest form of a capacitor manufactured in accordance with the present invention. A roll-type capacitor was manufactured from a pair of rolls of these ribbons.
A single roll is shown in the figure, the coatings being denoted by reference numeral 1, the ribbon by reference numeral 2. For comparison purposes capacitors were also manufactured from the same polypropylene ribbons under the same conditions and with the same dimensions, but with the conventional aluminum coatings having a surface resistance of 2.
The material vapor deposited on the ribbons was derived from highly pure aluminum wire.
This deterioration of the layers increased with increasing time of voltage application. No such deterioration of layers was noted in the capacitors having the alloyed layers in accordance with the present invention.
The layers in accordance with the present invention can be manufactured with any known physical or chemical metallization process.
It is only required that the coating have a sufficient amount of the copper alloy in a sufficiently homogeneous distribution and that harmful impurities be avoided.
It may for example be desirable to manufacture the layer from two separate initial materials instead of one alloyed initial material. If necessary the two initial materials may be vaporized in two separate crucibles.
If the vaporization rate of the two components is different under the same vaporization conditions, it may be necessary to regulate the conditions in the different crucibles differently or, if a single alloyed initial material is used, to change the percentage of the copper alloy in correspondence to the difference in the vaporization rates.
The layers in accordance with the present invention may also be used in capacitors having a plurality of thin layers rather than a single layer. For example an aluminum alloy layer may serve as a corrosion inhibiting layer for a Zn coating because its oxide film is more resistant to external influences than is a Zn layer.
The coating according to the present invention allows capacitors to have a higher nominal field strength and therefore results in smaller capacitors which are also less expensive. The actual depositing of the layer does not require much additional equipment in practice especially if a vaporization process is used.
Previously proposed multilayer systems are no longer required. However if the aluminum layer in accordance with the present invention is used in conjunction with a zinc layer, the higher conductivity of the aluminum and the protective effect of the aluminum oxide film will result in a decrease of the total thickness of the coating.
The use of the layer in accordance with the present invention has the further advantage that electrical breakdowns in the dielectric which may be the result of overvoltages clear without damage.
Higher test voltages may be used without fear of an internal short circuit, thereby allowing higher test voltages and shorter testing times.Efﬁcient analysis algorithms for business process models: In many cases, analysis techniques applied to LPOs are more efﬁcient than those working on sequential runs [5, 11].
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