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Ink-Jet Cartridge Lifetime

机译：墨盒寿命

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Extensive examination of thermal ink-jet cartridges has revealed that their maximum lifetime is limited by two major mechanisms: The first is the deterioration of the heaters caused by the ink-jet propelling bubble combined with the high temperature of operation of the heaters. The second is deterioration caused by direct current leakage from the heater through the ink chamber creating unwanted electrolytic byproducts. To eliminate both of these effects, it is proposed to eliminate the electrical heaters used to generate the propelling bubble and replacing them by electrodes passing a high-frequency current through the printing ink to form a propelling bubble. To evaluate this system, it is necessary to experimentally determine the electrical characteristics of the ink to determine the efficiency of heating by the applied current, in the range from 100 KHz to 200 MHz. It was found that standard ink-jet inks, now in use, can be efficiently coupled to the drive transistors within this range without altering ink composition.2006-0126
机译：对热喷墨墨盒的广泛检查表明，其最大使用寿命受到两个主要机制的限制：第一是喷墨推进气泡和加热器的高温共同导致的加热器性能下降。第二个是由加热器通过墨水室的直流电流泄漏引起的劣化，从而产生了不良的电解副产物。为了消除这两种效果，提出了消除用于产生推进气泡的电加热器，并用使高频电流通过印刷油墨以形成推进气泡的电极来代替它们。为了评估该系统，有必要通过实验确定墨水的电气特性，以确定通过施加的电流在100 KHz至200 MHz范围内进行加热的效率。发现现在使用的标准喷墨油墨可以在不改变油墨成分的情况下有效地耦合到该范围内的驱动晶体管。2006-0126

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