摘要:
An electrostatic chuck comprises a dielectric ceramic layer made of an alumina sintered body having a volume resistivity equal to or greater than about 1×1017Ω·cm at room temperature and a volume resistivity equal to or greater than about 1×1014Ω·cm at 300° C., and an electrode formed on one surface of the dielectric ceramic layer.
摘要:
A yttria sintered body is provided which includes yttria as a principal ingredient and 5 to 40 vol. % silicon nitride, and which exhibits enhanced corrosion resistance and mechanical strength.
摘要:
A yttria sintered body contains an amount of silicon carbide within a range of 5 to 40% by volume, has a volume resistivity at room temperature within a range of 1×101 to 1×1017Ω·cm, and is adapted for application to an electrostatic chuck.
摘要:
A ceramic member comprises a base including an alumina sintered body, and an yttria sintered body formed on the alumina sintered body and exposed to a corrosive gas; and a metallic member buried in the base.
摘要:
A manufacturing method for a sintered body with a buried metallic member comprises forming an alumina sintered body or an alumina presintered body, forming a metallic member by printing a printing paste including a refractory metal on the alumina sintered body or the alumina presintered body, forming an alumina compact on the metallic member, and sintering the alumina compact, the metallic member, and the alumina sintered body or the alumina presintered body.
摘要:
A substrate having plural recording elements and electrical leads for supplying electric signals to the recording elements includes electrical contacts for external electrical connection for reception of image signals used for driving the recording elements; and a processing circuit for converting signals which are serially supplied to the connecting contact to parallel signals to be applied to the recording elements.
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:
A liquid jet recording apparatus comprising: liquid chambers communicating with a plurality of discharge orifices for discharging a recording liquid to form flying liquid droplets for accommodating the recording liquid; and heat generating elements for generating energy used for forming the flying liquid droplets, wherein a plurality of element groups, each of which includes a plurality of said heat generating elements on the same substrate are respectively and independently provided, and each liquid chamber is independently provided in each of the element groups.
摘要:
In a liquid jet recording head having a liquid discharging conduit, the ratio of the average cross-sectional area of the conduit at the liquid introducing region to that at the energy actuating region is greater than 1.
摘要:
A liquid-jetting head comprising a plurality of liquid-jetting-pressure-generating elements and a plurality of liquid-jetting orifices opposite to said elements through a liquid passage is characterized in that said passage is divided into at least two groups, and the adjacent elements of said elements are separately communicated with isolated respective liquid passages.