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    • 94. 发明授权
    • Resonant-oscillating-device fabrication method
    • 共振振荡器件制造方法
    • US07793404B2
    • 2010-09-14
    • US11727840
    • 2007-03-28
    • Kenichi MurakamiNobuaki Asai
    • Kenichi MurakamiNobuaki Asai
    • H04R31/00
    • H03H9/02259G02B26/0858H03H3/0077H03H9/2494H03H2009/02519Y10T29/42Y10T29/435Y10T29/49004Y10T29/49005Y10T29/4908
    • A resonant-oscillating-device fabrication method for integrally forming a structure comprising a support, a beam vibratably extending from the support, and an oscillating element which is supported by the beam so as to oscillate in resonance with the vibration of the beam at a desired resonant frequency, by using a substrate. The resonant-oscillating-device fabrication method having a thickness measurement step of measuring the thickness of the substrate, an etching condition determination step of determining conditions of etching a portion forming the beam in the substrate to provide the desired resonant frequency, in accordance with the thickness of the substrate measured in the thickness measurement step, and an etching step of etching the substrate in accordance with the etching conditions.
    • 一种用于整体地形成结构的共振振荡器件制造方法,该结构包括支撑件,从支撑件可振动地延伸的梁和由梁支撑的振荡元件,以便以期望的波束与梁的振动共振地振荡 谐振频率。 所述谐振振荡器件制造方法具有测量所述衬底厚度的厚度测量步骤,蚀刻条件确定步骤,根据所述蚀刻条件确定步骤,确定蚀刻形成所述衬底中的所述光束的部分以提供期望的谐振频率的条件 在厚度测量步骤中测量的衬底的厚度,以及根据蚀刻条件蚀刻衬底的蚀刻步骤。
    • 95. 发明授权
    • Non-oriented electrical steel sheet excellent in magnetic properties in rolling direction and method of production of same
    • 轧制方向磁性能优异的无取向电工钢板及其制造方法
    • US07566371B2
    • 2009-07-28
    • US11357782
    • 2006-02-17
    • Yoshihiro AritaKenichi Murakami
    • Yoshihiro AritaKenichi Murakami
    • H01F1/147
    • H01F1/14775
    • Non-oriented electrical steel sheet remarkably improved in magnetic properties in the rolling direction by a method superior in cost and productivity, that is, non-oriented electrical steel sheet excellent in magnetic properties in the rolling direction comprising, by wt %, Si in an amount of 2.0% or less, Mn in 3.0% or less, Al in 1.0% to 3.0%, at least one of Sn, Sb, Cu, Ni, Cr, P, REM, Ca, and Mg in a total of 0.002% to 0.5%, and a balance of Fe and unavoidable impurities and having a ratio (B50L/Bs) of the magnetic flux density B50L in the rolling direction after stress relief annealing and a saturated magnetic flux density Bs of 0.85 or more and an core loss W15/50L of 2.0 W/kg or less, produced by the method of annealing the hot band at 800° C. to 1100° C. for 30 seconds or more to achieve a crystal grain size after final annealing of 50 μm or less, skin pass rolling the sheet by a reduction of 3% to 10%, then stress relief annealing it. Further, a cold rolling reduction of 60% to 75% is preferable.
    • 无方向性电磁钢板通过成本和生产率优异的方法在轧制方向上的磁特性显着提高,即在轧制方向上的磁性能优异的无取向电工钢板,其中以重量%计, 2.0%以下的Mn,3.0%以下的Al,1.0%〜3.0%的Al,Sn,Sb,Cu,Ni,Cr,P,REM,Ca,Mg中的至少一种,0.002% 至0.5%,余量为Fe和不可避免的杂质,并且在应力消除退火后的轧制方向上的磁通密度B50L的比率(B50L / Bs)为0.85以上,饱和磁通密度Bs为0.85以上, W15 / 50L为2.0W / kg以下,通过将热带在800℃〜1100℃退火30秒以上的方法制造,最终退火后的结晶粒径为50μm以下, 皮肤通过将片材压下3%〜10%,然后进行消除应力退火。 此外,优选冷轧压下率为60%〜75%。