摘要:
The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol % and an electrical resistivity of at least 104 Ω·cm. When a coil is embedded in this composite magnetic body, a miniature magnetic element can be obtained that has a high inductance value and is excellent in DC bias characteristics.
摘要:
A reliable semiconductor device having a multilayer wiring structure formed of copper as a main component material, which constrains occurrence of voids caused by stress migration. In the multilayer wiring structure, a first insulation layer having a high barrier property and a compression stress, and making contact with the upper surface of a first wiring made of copper as a main component material, a second insulation film having a tensile stress, and a third insulation film having a dielectric constant which is lower than those of the first and second insulation film, are laminated one upon another in the mentioned order as viewed the bottom thereof, and a via hole is formed piercing thorough the first insulation film, the second insulation film and the third insulation film, making contact with the first wiring.
摘要:
A method of laminating at least two gas permeable sheet materials includes: (1) providing at least a first gas permeable sheet material, wherein at least a portion of at least a surface region of the first sheet material is thermoplastic material; (2) providing at least a second gas permeable sheet material of polytetrafluoroethylene; (3) superposing the sheet materials; and (4) contacting the sheet materials with a heating means to heat the thermoplastic material to a temperature from 140° to 230° C., so as to melt the thermoplastic material and laminate the sheet materials to one another, without the application of direct pressure in the thickness direction of the sheet materials during the contacting step so as to form a gas permeable laminate.
摘要:
A semiconductor exposure device having excellent throughput using a mercury lamp as an exposure light source. The mercury lamp is capable of providing an efficient i-ray output, with a small i-ray half width value, allowing correction of chromatic aberration. The semiconductor exposure device is further provided with an illumination optical system for illuminating a target surface and a projection optical system for projecting the image on the target surface. The illumination optical system is provided with the mercury lamp, an optical integrator, an optical system for guiding a flux of light emitted from the mercury lamp to the optical integrator and a condenser lens for converging the light from the optical integrator. The semiconductor exposure device is provided with a power source and an associated control circuit for supplying an electric current to the mercury lamp. The power source is configured to allow the mercury lamp to have an average electric field E satisfying the following relational expression with respect to the lamp input power W.sub.L (W), provided that the value obtained by deducting 11 V from the lamp voltage V.sub.L (V) of the mercury lamp and dividing the difference by the electrode-to-electrode distance d (mm) is the average electric field E (=V.sub.L -11/d) (V/mm): E.sub.p (W.sub.L)-1.0 V/mm.ltoreq.E.ltoreq.E.sub.p (W.sub.L)+1.5 V/mm, wherein E.sub.p (W.sub.L)=a+bW.sub.L ; E.ltoreq.6 V/mm; a and b are constants (a=1.4 V/mm, b=0.71.times.10.sup.-3 V/mm.multidot.W).
摘要翻译:一种半导体曝光装置,其使用汞灯作为曝光光源具有优异的生产能力。 汞灯能够提供高效的i射线输出,具有小的i射线半值值,允许校正色差。 半导体曝光装置还设置有用于照射目标表面的照明光学系统和用于将图像投影在目标表面上的投影光学系统。 照明光学系统设置有水银灯,光学积分器,用于将从汞灯发射的光束的光束引导到光学积分器的光学系统和用于会聚来自光学积分器的光的聚光透镜。 半导体曝光装置设置有用于向汞灯供应电流的电源和相关联的控制电路。 电源被配置为允许汞灯具有相对于灯输入功率WL(W)满足以下关系式的平均电场E,条件是通过从灯电压VL(V)中减去11V获得的值 )的平均电场E(= VL-11 / d)(V / mm):Ep(WL)-1.0V / mm (WL)+1.5V / mm,其中Ep(WL)= a + bWL; E = 6 V / mm; a和b是常数(a = 1.4V / mm,b = 0.71×10-3V / mm×W)。
摘要:
A mercury lamp of the short arc type in which tantalum can absorb impurity gases to a sufficient degree even if the inside of the arc tube reaches a high temperature is achieved by providing an arc tube, within which mercury and an inert gas are encapsulated, with a pair of electrodes disposed opposite each other within the arc tube, each of the electrodes being supported by a respective terminal post, tantalum being provided on the terminal post of one of the electrodes, and by ensuring that both of the relationships (D2/D1)>1.3 and the relationship 0.2.ltoreq.(D2/D1).sup.2 /L.ltoreq.0.5 are satisfied at the same time, where D1 is an outer diameter of the terminal post in millimeters, D2 is an outer diameter of the electrode supported by the respective terminal post in millimeters, and L is a distance between a tip of the electrode on which the tantalum is provided and the tantalum on the terminal post of that electrode.
摘要:
An imaging apparatus comprising imaging devices for converting the light of a subject into electric signals, an image forming device for forming an image of the light of the subject on the imaging devices and a connecting device for connecting the image forming device to the imaging devices. In the imaging apparatus, the connecting device has at least three pins so inserted in holes bored in either the imaging devices or the image forming device as to be vertically movable and a biasing device for making the pins contact with a confronting surface of the image device or the image forming device. Heads of the pins are formed in configuration adaptive to point-contact with the confronting surface. The hole is bonded to the pin, and the pin is bonded to the confronting surface, respectively.
摘要:
An oxide magnetic material provided by the present invention contains, as main components, 55 to 59 mol % of Fe.sub.2 O.sub.3 ; 35 to 42 mol % of MnO; and 6 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.3 wt % of CaO; and 0.005 to 0.05 wt % of SiO.sub.2. The other oxide magnetic material provided by the present invention contains, as main components, 61 to 67 mol % of Fe.sub.2 O.sub.3 ; 3 to 36 mol % of MnO; and 30 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.5 wt % of CaO; and 0.005 to 0.2 wt % of SiO.sub.2. Such materials can further contain one or more kinds of oxides selected from the group consisting of ZrO.sub.2, HfO.sub.2, Ta.sub.2 O.sub.5, Cr.sub.2 O.sub.3, MoO.sub.3, WO.sub.3, Al.sub.2 O.sub.3, Ga.sub.2 O.sub.3, In.sub.2 O.sub.3, GeO.sub.2, SnO.sub.2, Sb.sub.2 O.sub.3 and Bi.sub.2 O.sub.3. Such magnetic materials of the present invention have the advantages of having an extremely low magnetic loss even when used in the high frequency band and having a minimum magnetic loss at a temperature sufficiently higher than room temperature. Moreover, a switching power supply having a switching frequency of 300 kHz to 5 MHz is provided by using such magnetic materials as a magnetic core.
摘要翻译:本发明提供的氧化物磁性材料含有55〜59摩尔%的Fe 2 O 3作为主要成分; 35〜42mol%的MnO; 和6mol%以下的ZnO,作为副成分,进一步含有0.05〜0.3重量%的CaO; 和0.005〜0.05重量%的SiO 2。 本发明提供的其它氧化物磁性材料以Fe 2 O 3为主要成分为61〜67摩尔%。 3〜36摩尔%的MnO; 和30摩尔%以下的ZnO,作为副成分,进一步含有0.05〜0.5重量%的CaO; 和0.005〜0.2重量%的SiO 2。 这些材料可以进一步含有选自ZrO 2,HfO 2,Ta 2 O 5,Cr 2 O 3,MoO 3,WO 3,Al 2 O 3,Ga 2 O 3,In 2 O 3,GeO 2,SnO 2,Sb 2 O 3和Bi 2 O 3中的一种以上的氧化物。 本发明的这种磁性材料具有即使在高频带下使用也具有非常低的磁损耗并且在足够高于室温的温度下具有最小的磁损耗的优点。 此外,通过使用这种磁性材料作为磁芯,提供具有300kHz至5MHz的开关频率的开关电源。
摘要:
In a magnetic recording medium comprising on a non-magnetic substrate a magnetic layer obtained by dispersing ferromagnetic powder in an electron beam-curable resin followed by electron beam curing or a backcoat layer obtained by curing an electron beam-curable resin with electron beams, a combination of an electron beam-curable vinyl chloride resin having a sulfur-containing polar group and an electron beam-curable urethane resin having a phosphorus-containing polar group is used as the electron beam-curable resin. This results in improvements in dispersibility, surface smoothness, and electromagnetic characteristics, as well as a lowering of error rate in high density digital recording. Storage property is good.
摘要:
The present invention provides a process for producing powder of complex perovskite type compounds by using metal alkoxides. In the prior art, methods were known for synthesizing crystalline powder of simple perovskite type compounds such as BaTiO.sub.3. According to the conventional methods, however, when synthesizing a complex perovskite type compound having two atoms of different valences at the B site of perovskite structure by hydrolyzing metal alkoxides, there could be obtained only amorphous powder, and for crystallizing it, heating to a temperature of around 600.degree. to 800.degree. C. was necessary.According to the process of this invention, it is possible to synthesize the crystalline complex perovskite type compounds at a low temperature of around 100.degree. C., which is 500.degree. to 700.degree. C. lower than the temperature required in the conventional methods, by adjusting the amount of water added according to the type of the solvent used and controlling the reaction temperature at a specified level or higher.
摘要:
Tape contact surface of a magnetic head is made of magnetic substance of multi-layered structure; interface insulation material for said multi layered structure and/or gap spacer material are made of oxides, complex oxides, nitrides and carbides of transition metal elements, IIa group elements of the periodic table and Zn; and accumulation of magnetic material from magnetic tape is prevented and output of magnetic head is stabilized.