摘要:
A head for an ink jet recording apparatus including: an electro-thermal transducer for generating thermal energy for use to discharge ink; and a circuit portion electrically connected to the electro-thermal transducer, wherein the circuit portion has a first conductive layer, an insulating layer disposed on the first conductive layer, and a second conductive layer disposed on the insulating layer, and an opening portion of the insulating layer is filled with a conductor formed by a selective deposition method so that the first conductive layer and the second conductive layer are connected to each other.
摘要:
A head for an ink jet recording apparatus including: an electro-thermal transducer for generating thermal energy for use to discharge ink; and a circuit portion electrically connected to the electro-thermal transducer, wherein the circuit portion has a first conductive layer, an insulating layer disposed on the first conductive layer, and a second conductive layer disposed on the insulating layer, and an opening portion of the insulating layer is filled with a conductor formed by a selective deposition method so that the first conductive layer and the second conductive layer are connected to each other.
摘要:
Disclosed is a thin-film resistor element for an ink jet head. In the thin-film resister element, a protective film is used having a multi-layered structure, the proportion of Ar atoms contained in a lower area of the protective film located in contact with the heating resistor is set between 0.2 wt % and 6.0 wt %, and that in an upper area of the protective film is set between 1.0 wt % and 9.0 wt %.
摘要:
The present invention discloses a recording head and a method of manufacturing the recording head including an electrothermal transducer element for causing ink to be discharged through a discharge port by causing heat energy to act on the ink, a heat acting portion for causing the heat energy generated by the electrothermal transducer element to act on the ink present in an ink passage; and a substrate, either side of which has the electrothermal transducer element, and a residual side of which has the ink passage, so that the reliability is improved, an image is precisely recorded at high speed and an excellent manufacturing yield is realized.
摘要:
An ink jet head is provided which includes an electrothermal converting body having a heat generating registor which generates, upon energization, heat energy to be directly applied to ink on a heat acting face to discharge the ink. The ink jet head is characterized in that the heat generating resistor is formed from a non-single crystalline substance substantially composed of Ir, Ta and Al and containing the Ir, Ta and Al at the following respective composition rates:28 atom percent.ltoreq.Ir.ltoreq.90 atom percent,5 atom percent.ltoreq.Ta.ltoreq.65 atom percent, and1 atom percent.ltoreq.Al.ltoreq.45 atom percent.
摘要:
There is provided a non-single crystalline material characterized by containing Ir, Ta and Al at the following respective composition rates:______________________________________ 28 atom percent .ltoreq. Ir .ltoreq. 90 atom percent, 5 atom percent .ltoreq. Ta .ltoreq. 65 atom percent, and 1 atom percent .ltoreq. Al .ltoreq. 45 atom percent. ______________________________________ There is also provided a member comprising a substrate and a film composed of said non-single crystalline material being disposed on said substrate.
摘要:
A substrate for an ink jet recording head comprises a support and an electrothermal transducer provided on said support and comprising a heat-generating resistor member and electrodes electrically connected to said heat-generating resistor member, wherein said heat-generating resistor member is comprised of a complex compound comprising a metal boride, silicon and nitrogen.
摘要:
An ink directly contacts a heating resistor which forms a portion of an electrothermal transducer. The ink is ejected from orifices by using thermal energy generated by supplying an electric current to the heating resistor. The concentration of alkali metal ion is equal to or less than 5×10−3 mol/l.
摘要:
There is provided an ink jet head which includes an electrothermal converting body disposed along a pathway of ink, said electrothermal converting body being provided with a heat generating resistor capable of generating, upon energization, heat energy to be directly applied to ink on a heat acting face whereby discharging said ink, characterized in that said heat generating resistor is composed of a material containing at least Ir and other one specific element at the specific respective composition rates or a material containing at least Ir and other two specific elements at the specific respective composition rates, said heat generating resistor constituted by any of said materials being capable of exhibiting a sufficient durability even in the case of driving the ink jet head with a relatively long drive pulse duration.
摘要:
An ink jet head is provided which includes an electrothermal converting body having a heat generating resistor which generates, upon energization, heat energy to be directly applied to ink on a heat acting face to discharge the ink. The ink jet head is characterized in that the heat generating resistor is formed from a non-single crystalline substance substantially composed of Ir and Ta and containing the Ir and Ta at the following respective composition rates:35 atom percent .ltoreq.Ir.ltoreq.77 atom percent, and23 atom percent .ltoreq.Ta.ltoreq.65 atom percent.