摘要:
A thin-film device comprises a base electrode made of a metal, a first dielectric layer, a first inner electrode, a second dielectric layer, a second inner electrode, and a third dielectric layer. Letting T1 be the thickness of the lowermost first dielectric layer in contact with the base electrode in the plurality of dielectric layers, and Tmin be the thickness of the thinnest dielectric layer in the plurality of dielectric layers excluding the first dielectric layer, T1>Tmin. Making the first dielectric layer thicker than the thinnest, dielectric layer in the other dielectric layers can increase the distance between a metal part projecting from a metal surface because of the surface roughness of the base electrode and the inner electrode mounted on the lowermost dielectric layer, thereby reducing leakage currents.
摘要:
A thin-film device comprises a base electrode made of a metal, a first dielectric layer, a first inner electrode, a second dielectric layer, a second inner electrode, and a third dielectric layer. Letting T1 be the thickness of the lowermost first dielectric layer in contact with the base electrode in the plurality of dielectric layers, and Tmin be the thickness of the thinnest dielectric layer in the plurality of dielectric layers excluding the first dielectric layer, T1>Tmin. Making the first dielectric layer thicker than the thinnest, dielectric layer in the other dielectric layers can increase the distance between a metal part projecting from a metal surface because of the surface roughness of the base electrode and the inner electrode mounted on the lowermost dielectric layer, thereby reducing leakage currents.
摘要:
A thin-film capacitor that is less prone to generation of internal cracking or peeling is provided. In a thin-film capacitor according to the present embodiment, because through holes H are formed in internal electrodes containing Ni as a principal component in a lamination direction, a surface area of at least some of the through holes H is in the range of 0.19 μm2 to 7.0 μm2, and a ratio of a surface area of the through holes H to a surface area of an entire main surface of the internal electrodes is in the range of 0.05% to 5%, peeling or cracking is suppressed from occurring at the boundaries between the internal electrodes and dielectric layers, and as a result, the yield is enhanced.
摘要翻译:提供了不容易产生内部开裂或剥离的薄膜电容器。 在本实施方式的薄膜电容器中,由于在层叠方向上以Ni为主要成分的内部电极形成贯通孔H,所以贯通孔H的至少一部分的表面积为0.19 m 2〜7.0mum 2,通孔H的表面积与内部电极整个表面的表面积的比例在0.05〜5%的范围内,可以抑制剥离或开裂 内部电极和电介质层之间的边界,结果提高了产率。
摘要:
A sputtering target for fluorescent thin-film formation comprising a matrix material and a luminescent center material,wherein said matrix material has a chemical composition represented by the following formula (1), and simultaneously satisfies conditions represented by the following inequalities (2) to (5). MIIvAxByOzSw (1) 0.05≦v/x≦5 (2) 1≦y/x≦6 (3) 0.01≦z/(z+w)≦0.85 (4) 0.6≦(v+x+3y/2)/(z+w)≦1.5 (5) wherein MII represents one or more elements selected from the group consisting of Zn, Cd and Hg, A represents one or more elements selected from the group consisting of Mg, Ca, Sr, Ba and rare earth elements, B represents one or more elements selected from the group consisting of Al, Ga and In, and v, x, y, z and w each represent numerical values satisfying the conditions specified in the inequalities (2) to (5).
摘要:
A phosphor thin film includes a matrix material expressed by a composition formula AxByOwSz, and a substance functioning as a luminescence center in the matrix material. In the composition formula, A represents at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; B represents at least one rare-earth element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; O represents oxygen atoms; and S represents sulfur atoms, respectively. Molar ratios are respectively set as 0
摘要:
An EL panel for providing a display of three colors, comprising at least EL phosphor thin films of two types for emitting green and blue colors, and a red light emitting portion, the EL phosphor thin films of two types for emitting green and blue colors comprising an alkaline earth sulfide or oxide. The EL panel, especially full color EL panel can produce light of an improved color purity without a need for a RGB patterned filter.
摘要:
On a single crystal substrate such as silicon, a ferroelectric thin film having a YMnO.sub.3 hexagonal crystal structure, composed mainly of a rare earth element (inclusive of scandium and yttrium), manganese and oxygen, and c-plane oriented parallel to the substrate surface is formed, preferably with an epitaxial oxide film or conductive epitaxial film being interposed therebetween. It is suitable for gate type non-volatile memory devices having MFIS and MFMIS structures.
摘要:
A method of forming servo information in a magnetic disk apparatus of a sector servo system. Servo information is recorded in advance at the beginning of each of the sectors, and includes a DC erase signal, a track address signal and a burst signal. The track address signal indicates on which track of the magnetic disk the sector is located, and is formed by expressing the track address in Gray code and interleaving a dummy code into the Gray code. Servo information is recorded using an NRZI system or an RLL coding method. Servo information in which the dummy code is interleaved is decoded after the dummy code is removed at the time of demodulation.
摘要:
A sputtering target for fluorescent thin-film formation comprising a matrix material and a luminescent center material, wherein said matrix material has a chemical composition represented by the following formula (1), and simultaneously satisfies conditions represented by the following inequalities (2) to (5). MIIvAxByOzSw (1) 0.05≦v/x≦5 (2) 1≦y/x≦6 (3) 0.01≦z/(z+w)≦0.85 (4) 0.6≦(v+x+3y/2)/(z+w)≦1.5 (5) wherein MII represents one or more elements selected from the group consisting of Zn, Cd and Hg, A represents one or more elements selected from the group consisting of Mg, Ca, Sr, Ba and rare earth elements, B represents one or more elements selected from the group consisting of Al, Ga and In, and v, x, y, z and w each represent numerical values satisfying the conditions specified in the inequalities (2) to (5).
摘要:
The invention aims to solve the problem of prior art EL devices that undesirable defects form in dielectric layers, and especially the problems of EL devices having dielectric layers of lead-base dielectric material including a lowering, variation and change with time of the luminance of light emission, and thereby provide an EL device ensuring high display quality without increasing the cost. Such objects are achieved by an EL device comprising at least an electrically insulating substrate 11 and a structure including an electrode layer 12, a dielectric layer 13, 14, 15, a light emitting layer 17 and a transparent electrode layer 19 stacked on the substrate 11, wherein the dielectric layer is a laminate including a first thick-film ceramic high-permittivity dielectric layer 13 whose composition contains at least lead, a second high-permittivity layer 14 whose composition contains at least lead, and a third high-permittivity layer 15 whose composition is free of at least lead.