| http://www.w3.org/ns/prov#value | - The provision of such dielectric protective layers over the heaters reduces problems such as mentioned above, but introduces additional difficulties, e.g. in regard to the efficient transfer ofheat from the heater to the ink and the reliable attachment of such layers to the heater and electrodes.U.S. Pat. Nos. 4,450,457 and 4,577,202 describe the above and other problems and provide some exemplary
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