Method for forming heated glass panels
First Claim
1. A method of forming an electrically conductive heated dielectric panel, comprising:
- providing a dielectric panel having at least one major surface;
disposing a doped metal oxide coating on the major surface of the dielectric panel;
masking an area of the doped metal oxide coating with a circularly rotating mask or an inline mask while leaving an unmasked area of a predetermined shape and size;
heating the unmasked area on the doped metal oxide coating with a reducing flame;
feeding and melting an electrically conductive metal conductor by way of an oxyacetylene or a plasma device;
impinging molten particles of the electrically conductive metal conductor at high velocity from the oxyacetylene or plasma device onto the heated unmasked area of the doped metal oxide coating, thus depositing, shaping, and sizing an electrically conductive metal bus bar on the doped metal oxide coating; and
disposing a metal tab onto the electrically conductive metal conductor bus bar, thus forming the electrically conductive heated dielectric panel.
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Abstract
Methods for forming electrically conductive heated dielectric panels are provided. The panels are utilized for warming objects and/or insuring unobstructed viewing through the panels by removing moisture. The methods include depositing electrically conductive metal bus bars onto the dielectric panel, onto which panel a conductive coating has previously been disposed. The conductive metal bus bars are deposited onto the coated dielectric panel through the use of a circularly rotating or an inline heating head and mask apparatus, in combination with an oxyacetylene or a plasma device. A metallic tab, which extends from the panel peripheral edge, is brought into electrical contact with each conductive metal bus bar for external electrical connectivity.
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Citations
18 Claims
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1. A method of forming an electrically conductive heated dielectric panel, comprising:
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providing a dielectric panel having at least one major surface;
disposing a doped metal oxide coating on the major surface of the dielectric panel;
masking an area of the doped metal oxide coating with a circularly rotating mask or an inline mask while leaving an unmasked area of a predetermined shape and size;
heating the unmasked area on the doped metal oxide coating with a reducing flame;
feeding and melting an electrically conductive metal conductor by way of an oxyacetylene or a plasma device;
impinging molten particles of the electrically conductive metal conductor at high velocity from the oxyacetylene or plasma device onto the heated unmasked area of the doped metal oxide coating, thus depositing, shaping, and sizing an electrically conductive metal bus bar on the doped metal oxide coating; and
disposing a metal tab onto the electrically conductive metal conductor bus bar, thus forming the electrically conductive heated dielectric panel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification