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110results about How to "Satisfactory resistance" patented technology

Electromagnetic wave absorber

An electromagnetic wave (EM) absorber is constructed by integrally laminating an EM-absorbing layer having an EM-absorbing filler dispersed in a silicone resin on at least one surface of an EM-reflecting layer having an electrically conductive filler dispersed in a silicone resin. It has satisfactory EM-absorbing and shielding abilities and is workable, flexible, weather resistant and heat resistant due to the nature of the silicone resin itself. The use of the silicone resin in both the EM-absorbing and reflecting layers ensures that a firm bond is established between the layers. In a preferred embodiment wherein a heat conductive filler is blended, the absorber has a satisfactory heat transfer ability as well.
Owner:SHIN ETSU CHEM CO LTD

Cold-rolled steel sheet

Disclosed is a high-strength cold-rolled steel sheet which has improved stretch-flange formability while keeping excellent hydrogen embrittlement resistance. The cold-rolled steel sheet comprises 0.03 to 0.30% by mass of C, 3.0% by mass or less (including 0% by mass) of Si, more than 0.1% by mass and not more than 2.8% by mass of Mn, 0.1% by mass or less of P, 0.005% by mass or less of S, 0.01% by mass or less of N, and 0.01 to 0.50% by mass of Al. The cold-rolled steel sheet additionally comprises V in an amount of 0.001 to 1.00% by mass or one or more elements selected from Nb, Ti and Zr in the total amount of 0.01% by mass or more, with the remainder being made up by iron and unavoidable impurities, wherein the contents of one or more elements selected from Nb, Ti and Zr fulfils the requirement represented by the following formula: [% C]−[% Nb] / 92.9×12−[% Ti] / 47.9×12−[% Zr] / 91.2×12>0.03. In the cold-rolled steel sheet, the area ratio of tempered martensite is 50% or more (including 100%), and ferrite makes up the remainder. In the cold-rolled steel sheet, the distribution of precipitates in the tempered martensite is as follows: the number of precipitates each having a circle-equivalent diameter of 1 to 10 nm is 20 particles or more per 1 μm2 of the tempered martensite and the number of precipitates each containing V or at least one element selected from Nb, Ti and Zr and each having a circle-equivalent diameter of 20 nm or more is 10 particles or less per 1 μm2 of the tempered martensite.
Owner:KOBE STEEL LTD

Piezoelectric material, piezoelectric element, and electronic equipment

There is provided a lead- and potassium-free piezoelectric material having a high piezoelectric constant and a satisfactory insulation property and a piezoelectric element that includes the piezoelectric material. The piezoelectric material contains a perovskite-type metal oxide having the general formula (1): (NaxBa1-y)(NbyTi1-y)O3 (wherein x satisfies 0.80≦x≦0.95, and y satisfies 0.85≦y≦0.95); and at least one rare-earth element selected from La, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, wherein the rare-earth element content is more than 0 mol % and 5 mol % or less of the amount of perovskite-type metal oxide. The piezoelectric element includes the piezoelectric material.
Owner:CANON KK
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