Abstract: An anode for a nonaqueous secondary battery comprising a current collector having formed thereon a first covering layer containing tin, a tin alloy, aluminum or an aluminum alloy and a second covering layer containing a metal having low capability of forming a lithium compound in that order. The anode may have an additional first covering layer formed on the second covering layer. A covering layer containing a copper etc. may be formed as an uppermost layer. Each layer can be formed by heat treating to get desired property. As heat treatment can be done in a short time, it has a great cost merit.

Abstract: Iron oxide particles having the surface thereof coated with a layer of a complex iron oxide containing Al and Mg are disclosed. The total content of Al and Mg in the complex iron oxide layer is 0.1 to 2.5% by weight based on the whole iron oxide particles. The Mg content in the complex iron oxide layer is 0.05 to 1% by weight based on the whole iron oxide particles. The Al content in the complex iron oxide layer is 0.05 to 1.7% by weight based on the whole iron oxide particles. The Mg content in the complex iron oxide layer is 20% or more based on the total Mg content of the whole iron oxide particles.

Abstract: Manganese dioxide for lithium primary batteries which is obtained by soda neutralization and heat treatment of electrolytic manganese dioxide and has a sodium content of 0.05 to 0.2% by weight and a process for producing the same.

Abstract: A 2-metal layer TAB and a both-sided CSP.BGA tape having an insulating substrate and a wiring layer provided on at least both sides of the substrate, the substrate having evenly spaced sprocket holes on both width direction edges in the longitudinal direction thereof and also having through-holes formed with a punching press, and the through-holes being filled with a conductor by means of a punching press such that the conductor and the wiring layers are electrically connected, which is characterized by having round pilot holes between the sprocket holes formed in the longitudinal direction thereof; and a process of producing the same.

Abstract: An alkaline battery having as an anode a zinc or zinc alloy powder obtained by dropping molten zinc or a molten zinc alloy to form a molten metal droplets stream and striking an atomizing medium jet emitted from a nozzle against the molten metal stream at right angles to atomize the molten zinc or the molten zinc alloy, wherein two or more the nozzles are arranged in parallel to each other, the orifice of each of the nozzles has a V-shaped, U-shaped, X-shaped or arc-shaped cross-section, the atomizing medium is air or an inert gas, two or more the molten metal streams have at least two different flow rates selected from a range 0.04 to 025 kg/sec, and two or more of the atomizing medium jets have at least two different atomizing pressures selected from a range 4 to 9 kg/cm2.

Abstract: A hydrogen storage material which is an AB5 type hydrogen storage alloy having a CaCu5 type crystal structure represented by general formula: MmNiaMnbAlcCod wherein Mm is a misch metal, 4.1<a≦4.3, 0.4<b≦0.6, 0.2≦c≦0.4, 0.1≦d≦0.4, and 5.2≦a+b+c+d≦5.45, or general formula: MmNiaMnbAlcCodXe wherein Mm is a misch metal, X is Cu and/or Fe, 4.1<a≦4.3, 0.4<b≦0.6, 0.2≦c≦0.4, 0.1≦d≦0.4, 0<e≦0.1, and 5.2≦a+b+c+d+e≦5.45, characterized in that the lattice length on the c-axis is 406.2 pm or more, and a process of producing the same.

Abstract: A process of producing a zinc or zinc alloy powder (4) for batteries which comprises dropping molten zinc or a molten zinc alloy to form a molten metal droplets stream (1) and striking an atomizing medium jet (3) emitted from a nozzle (2) against the molten metal stream (1) at right angles to atomize the molten zinc or the molten zinc alloy, wherein two or more the nozzles are arranged in parallel to each other, the orifice of each of the nozzles has a V-shaped, U-shaped, X-shaped or arc-shaped cross-section, the atomizing medium is air or an inert gas, two or more the molten metal streams have at least two different flow rates selected from a range 0.04 to 0.25 kg/sec, and two or more the atomizing medium jets have at least two different atomizing pressures selected from a range 4 to 9 kg/cm2.

Abstract: To electrolydeposited manganese dioxide of which pH being adjusted to a range higher than 2 with either a sodium compound or a potassium compound, a raw lithium material and a compound containing any element selected from a group consisting of aluminum, magnesium, calcium, titanium, vanadium, chromium, iron, cobalt, nickel, copper and zinc to substitute a part of the manganese contained in the electrodeposited manganese dioxide with at least one element selected from the group described above, admixed and then burned.

Abstract: A hydrogen storage material which is characterized by having, as a cast alloy, a flaky or similar shape with a thickness of 50 to 500 &mgr;m and showing such crystallite orientation that the X-ray diffraction pattern has an intensity ratio of plane indices (002)/(200) of 2 to 10 as measured with the cooled surface of the flaky cast alloy being in parallel with a mount, and a process of producing the same.

Abstract: A fine flaky copper powder having an average major axis diameter of 4 to 10 &mgr;m and a flakiness of 2 to 20, has a bulk density of 2 to 4 g/cm3 and a BET specific surface area of 0.4 to 1.5 m2/g; A process for producing the copper powder includes introducing a copper slurry into a medium type agitation mill and flattening the powder.

Abstract: A tin—silver soldering alloy comprising 3 to 4% by weight of silver, 5 to 10% by weight of bismuth, 0 to 5% by weight of indium, and 0.1 to 1.5% by weight of zinc, with the balance being tin.

Abstract: The anode material to be used for non-aqueous electrolyte secondary batteries according to the present invention is composed of a Li-Mn type complex oxide having a spinel structure, either or both of the occupancy rate (gc) value of cations in an unit lattice of the material to be determined based on the composition, the lattice constant and the density or/and the ocupancy rate (ga) value of anions in an unit lattice of the material to be determined based on the composition, the lattice constant and the density is/are adjusted to a value of 0.985 or less. The actions of the complex are partially substituted with aluminum or magnesium.

Abstract: Zinc alloy powder for alkaline batteries containing Bi at a rate of 0.01-0.1% by weight, In at a rate of 0.01-0.1% by weight, Mg at a rate of 0.0005-0.03 % by weight and unavoidable impurities, such as Pb, Cd and Cu, capable of improving high-rate performance and being suitable for using as a cathode active substance for alkaline batteries is provided.

Abstract: A process for producing lithium manganate, comprising pulverizing electrodeposited manganese dioxide by causing particles of electrodeposited manganese dioxide to collide with each other to produce a pulverized material, screening the pulverized material to an average particle size of 3 to 20 &mgr;m thereby to produce a screened material, mixing the screened material with the lithium raw material to form a mixture, and firing the mixture to produce lithium manganate. During screening, electrolytic manganese dioxide having an average particle size smaller than 3 &mgr;m is removed from the screened material.

Abstract: A process for producing a thermoelectric material comprising mixing at least two of bismuth, tellurium, selenium, and antimony and, if desired, a dopant, melting the mixture, grinding the resulting alloy ingot, forming the powder, and sintering the green body under normal pressure, or hot pressing the powder, wherein the grinding and the normal sintering or hot pressing are carried out in the presence of a solvent represented by CnH2n+1OH or CnH2n+2CO (wherein n is 1, 2 or 3).

Abstract: A process for producing fine copper powder characterized by comprising mixing fat and oil into a dendritic electrolytic copper powder having an average particle size of 20 to 35 &mgr;m and a bulk density of 0.5 to 0.8 g/cm3 to coat the surface of the electrolytic copper powder particles with the fat and oil and pulverizing the coated particles by means of a jet mill of collision plate type.

Abstract: Electrolytic manganese dioxide is pulverized. The manganese dioxide power is neutralized with sodium hydroxide or sodium carbonate to a pH of 2 or higher. The neutralized electrolytic manganese dioxide powder is mixed with a lithium raw material and the mixture is fired.

Abstract: A fine flaky copper powder having an average major axis diameter of 4 to 10 &mgr;m and a flakiness of 2 to 20, has a bulk density of 2 to 4 g/cm3 and a BET specific surface area of 0.4 to 1.5 m2/g; A process for producing the copper powder includes introducing a copper slurry into a medium type agitation mill and flattening the powder.

Abstract: A lead-free solder in which oxidation of the powder surface with time is prevented and a process for preparing the same. The lead-free solder powder has tin-zinc or tin-zinc-bismuth as a major composition and forms an organometallic compound of malonic acid and a metal of the solder alloy powder on the surface of solder alloy powder containing no lead.

Abstract: A tin-silver-based soldering alloy, comprises 3.0 to 4.0% by weight of Ag, 6.05 to 10.0% by weight of In, 2.0 to 5.95% by weight of Bi, and the balance being Sn, wherein In+Bi≦12.0% by weight.