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Comparision of Flat Heater Existing Technologies
| PROPERTIES |
Coiled Heating Wires |
Silk Screen Printed Heating Foil |
Chemicaly Etched Foil |
ULTIMHEAT Technology |
Sputtering |
| Thickness |
Not Flat |
Flat |
Flat |
Flat |
Flat |
| Max % of Heating Surface |
5 to 20% |
70.00% |
80.00% |
90.00% |
80.00% |
| Maximum Temperature |
150 oC |
180 oC, Not possible on silicone foils, must be on other substrate |
180 oC |
900 oC, Limited only by the insulation substrate |
600 oC, Not possible on silicone foils, must be on other substrate (glass, micanite) |
| Hot Spots |
Yes |
No |
No |
No |
No |
| Homogeneity |
Bad |
Good |
Good |
Very Good |
Good |
| Different Zones |
Yes |
No |
No |
Yes |
Yes |
| Side Effect Correction |
No |
No |
No |
Yes |
Yes |
| Corona Effect Correction |
No |
No |
No |
Yes |
Yes |
| Resistance Precision |
Good |
Medium |
Medium |
Very Precise |
Medium |
| Connection Wires Strenght |
Not good |
Not good |
Not good |
Very strong |
Not good |
| Substrates |
Silicone, PE, Rubber |
Steel, Ceramic, Plastic Laminate |
Silicone, PE, Rubber, micanite |
Silicone, Micanite |
Ceramic, Micanite |
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