摘要:
A thermal barrier coating enabling to prevent peeling of layer in a high temperature use and still having a high thermal barrier effect, a turbine part coated by this thermal barrier coating and a gas turbine comprising this turbine part are provided. The thermal barrier coating comprises a base material 21 of high temperature heat resistant alloy and a ceramics layer 23 formed on the base material 21. The ceramics layer 23 comprises ZrO2 added with Yb2O3 as stabilizer and is laminated on the base material via a bond coat layer 22 laminated as a metallic bond layer. A plurality of cracks 23A are preferably introduced in the ceramics layer 23. The turbine part is constructed having its surface coated with the above thermal barrier coating.
摘要翻译:提供能够防止在高温使用中并且仍然具有高热障效应的层的剥离的热障涂层,由该热障涂层涂覆的涡轮部分和包括该涡轮部的燃气轮机。 隔热涂层包括高温耐热合金的基材21和形成在基材21上的陶瓷层23。 陶瓷层23包含添加有Yb 2 O 3 O 3的稳定剂的ZrO 2,并且通过层压的粘合涂层22层压在基材上 作为金属结合层。 在陶瓷层23中优选引入多个裂纹23A。 涡轮机部件被构造成具有涂覆有上述热障涂层的表面。
摘要:
A semiconductor memory comprises a write driver which is provided to correspond to respective data line and by which data lines connected with a memory cell through the control of a word line are driven in a write operation. The write driver includes MOSFETs of first group and MOSFETs of second group. In a case where a write enable signal does not designate the write operation, the MOSFETs of the first group are normally in ON states to pull up the data lines. Besides, in a case where the write enable signal designates the write operation, each of them operates in accordance with the value of input data, to maintain the ON states and pull up the corresponding data line in case of driving the data line to a "high" level and to fall into OFF states in case of driving the data line to a "low" level. On the other hand, the MOSFETs of the second group are normally in OFF states. Besides, in the case where the write enable signal designates the write operation, each of them operates in accordance with the value of the input data, to fall into ON state and draw the corresponding data line to the low level in the case of driving the data lines to the low level.
摘要:
Provided are a thermal barrier coating material and a member coated with thermal barrier that can suppress the separation when used at a high temperature, and have a high thermal barrier effect; a method for manufacturing the member coated with thermal barrier; a turbine member coated with the thermal barrier coating material; and a gas turbine. More specifically provided are a shield coating member comprising a heat-resistant substrate, a bond coat layer formed on the heat-resistant substrate, and a ceramic layer formed on the bond coat layer, wherein the ceramic layer comprises a ceramic represented by a general formula A2Zr2O7, wherein A denotes a rare earth element, and the ceramic layer has (a) a porosity of 1 to 30%, (b) cracks in a thickness direction in pitches of 5 to 100% the total thickness of layers other than the bond coat layer on the heat-resistant substrate, or (c) columnar crystals.
摘要:
A thermal barrier coating enabling to prevent peeling of layer in a high temperature use and still having a high thermal barrier effect, a turbine part coated by this thermal barrier coating and a gas turbine comprising this turbine part are provided. The thermal barrier coating comprises a base material 21 of high temperature heat resistant alloy and a ceramics layer 23 formed on the base material 21. The ceramics layer 23 comprises ZrO2 added with Yb2O3 as stabilizer and is laminated on the base material via a bond coat layer 22 laminated as a metallic bond layer. A plurality of cracks 23A are preferably introduced in the ceramics layer 23. The turbine part is constructed having its surface coated with the above thermal barrier coating.
摘要翻译:提供能够防止在高温使用中并且仍然具有高热障效应的层的剥离的热障涂层,由该热障涂层涂覆的涡轮部分和包括该涡轮部的燃气轮机。 隔热涂层包括高温耐热合金的基材21和形成在基材21上的陶瓷层23。 陶瓷层23由添加了Yb 2 O 3 O 3的稳定剂构成的ZrO 2 2层叠在基材上,层叠有粘接层22 作为金属结合层。 在陶瓷层23中优选引入多个裂纹23A。 涡轮机部件被构造成具有涂覆有上述热障涂层的表面。
摘要:
A DAC having a memory mat including a plurality of first memory cells, and a plurality of output lines connected to the plurality of first memory cells. Each of the plurality of memory cells has a first memory portion including bipolar transistors and storing information in non-volatility based on whether a junction of the bipolar transistors is destroyed or not, and a second memory portion connected to the first memory portion and for outputting information to corresponding one of the plurality of output lines. The DAC has a first mode in which information is transferred from the first memory portions to the second memory portions when the information is written into the second memory portions, and a second mode in which the second memory portions are specified externally and information is written into the second memory portions. Thus, the performance of a D/A converter can be improved.
摘要:
A DAC having a memory mat including a plurality of first memory cells, and a plurality of output lines connected to the plurality of first memory cells. Each of the plurality of memory cells has a first memory portion including bipolar transistors and storing information in non-volatility based on whether a junction of the bipolar transistors is destroyed or not, and a second memory portion connected to the first memory portion and for outputting information to corresponding one of the plurality of output lines. The DAC has a first mode in which information is transferred from the first memory portions to the second memory portions when the information is written into the second memory portions, and a second mode in which the second memory portions are specified externally and information is written into the second memory portions.
摘要:
An integrated circuit having a CMOS circuit constituted by electrically connecting an n-type well 2, in which p-channel transistor Tp of the CMOS circuit is set, with a supply line Vdd through switching transistor Tps, and electrically connecting a p-type well 3, in which n-channel transistor Tn of the CMOS circuit is set, with supply line Vss through switching transistor Tns. Thermal runaway due to leakage current can be controlled by turning off switching transistors Tps and Tns and supplying potentials suitable for a test to the n-type well 2 and the p-type well 3 from an external unit when the integrated circuit is being tested. Fluctuations of the latch-up phenomenon and operation speed can be prevented by turning on switching transistors Tps and Tns and setting the n-type well 2 and the p-type well 3 to the voltages Vdd and Vss, respectively.
摘要:
An interconnector material for use in electrochemical cells having Y.sub.2 O.sub.3 -stabilized ZrO.sub.2 as a solid electrolyte, said interconnector material comprising a lanthanum chromite material of the following general formula:(La.sub.1-x Sr.sub.x)(Cr.sub.1-y M.sub.y)O.sub.3,where M is Zr or Ti, x is in the range of 0.1 to 0.2, and y is in the range of 0.05 to 0.2.
摘要翻译:一种用于具有Y 2 O 3稳定的ZrO 2作为固体电解质的电化学电池的互连器材料,所述互连器材料包含以下通式的(Ⅵ-xSrx)(Cr1-yMy)O3,其中M是Zr或Ti ,x在0.1〜0.2的范围内,y在0.05〜0.2的范围内。
摘要:
A composite circuit device of bipolar transistors and MOS transistors has a series connection of an NPN transistor for pull-up and a PNP transistor for pull-down. The composite circuit device has independent base drive circuits so provided that the base of the NPN transistor for pull-up is electrically isolated from the base of the PNP transistor for pull-down during the on-off switching operation. The composite circuit device is also provided with base precharge circuitry for pre-charging the base of the PNP transistor during the off operation state thereof. A composite circuit is also provided with circuitry for enhancing the turn-on switching speed of the pull-down PNP transistor. Additionally, a composite circuit of bipolar transistors and MOS transistors is constituted by a switch having a high input impedance and low on-resistance which can be applied as a component of an electronic circuit.
摘要:
A semiconductor memory comprises a write driver which is provided to correspond to respective data line and by which data lines connected with a memory cell through the control of a word line are driven in a write operation. The write driver includes MOSFETs of first group and MOSFETs of second group. In a case where a write enable signal does not designate the write operation, the MOSFETs of the first group are normally in ON states to pull up the data lines. Besides, in a case where the write enable signal designates the write operation, each of them operates in accordance with the value of input data, to maintain the ON states and pull up the corresponding data line in case of driving the data line to a "high" level and to fall into OFF states in case of driving the data line to a "low" level. On the other hand, the MOSFETs of the second group are normally in OFF states. Besides, in the case where the write enable signal designates the write operation, each of them operates in accordance with the value of the input data, to fall into ON state and draw the corresponding data line to the low level in the case of driving the data lines to the low level.