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    • 31. 发明授权
    • Production method of steel pipe excellent in corrosion resistance and
weldability
    • 耐腐蚀性和焊接性优良的钢管生产方法
    • US5820703A
    • 1998-10-13
    • US750758
    • 1996-12-13
    • Yasushi SuzukiMasaaki ObataAkihiro Miyasaka
    • Yasushi SuzukiMasaaki ObataAkihiro Miyasaka
    • C21D8/10C21D8/02C21D9/08C22C38/00C22C38/38C22C38/58
    • C21D8/0205C22C38/00C21D2211/008C21D8/105
    • A steel pipe having excellent corrosion resistance in an environment containing wet carbon dioxide and a small amount of hydrogen sulfide and having also excellent weldability is produced at a low production cost and with high productivity. The production method comprises heating to a temperature of 1,050.degree. to 1,300.degree. C. a slab containing, in terms of wt %, 0.01 to less than 1.2% of Si, 0.02 to 3.0% of Mn, 7.5 to 14.0% of Cr and 0.005 to 0.5% of Al, reduced C, N, P and S contents, at least one of Cu, Ni, Co, Mo and W, a balance of Fe and unavoidable impurities, and having an MC value of at least 0, finishing hot rolling within an austenite monophase temperature range, coiling the steel sheet as a hot coil having a sheet thickness of 3.0 to 25.4 mm, cooling the coil at a cooling rate of at least 0.01.degree. C./sec to at least 500.degree. C. to convert the steel sheet to a steel substantially consisting of martensite, reheating the steel to a temperature of 550.degree. C. to not more than an A.sub.c1 transformation point, holding it for at least 15 minutes, cooling the steel web to a normal temperature, cutting it into a predetermined width, and welding both ends of the steel by electric resistance welding while the steel coil is continuously shaped into a cylindrical shape.
    • 在生产成本低,生产率高的条件下,生产含有湿二氧化碳和少量硫化氢,焊接性优异的环境中具有优良耐腐蚀性的钢管。 该制造方法包括将其加热至1050℃〜1300℃的温度,以重量%计含有Si:0.01〜1.2%,Mn:0.02〜3.0%,Cr:7.5〜14.0%,0.005 至0.5%的Al,C,N,P和S含量降低,Cu,Ni,Co,Mo和W中的至少一种,余量的Fe和不可避免的杂质,MC值至少为0,热处理 在奥氏体单相温度范围内轧制,将钢板卷绕成板厚为3.0〜25.4mm的热卷材,以至少0.01℃/秒的冷却速度将线圈冷却至至少500℃至 将钢板转化为基本上由马氏体组成的钢,将钢再加热到550℃至不超过Ac1相变点,保持至少15分钟,将钢网冷却至常温,切割 在规定的宽度内,通过电阻焊接将钢的两端焊接在钢卷上 细致成型为圆柱形。
    • 34. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US4852976A
    • 1989-08-01
    • US298207
    • 1989-01-17
    • Yasushi Suzuki
    • Yasushi Suzuki
    • G02F1/13363
    • G02F1/13363G02F2413/02
    • A display device including a liquid crystal cell which comprises first and second transparent substrates spaced apart substantially in parallel from each other to form a gap therebewteen, a body of twisted-nematic liquid crystal filing the gap between the substrates, orientation means urging the liquid crystal molecules in the gap to orient in a first direction in the vicinity of the inner face of the first substrate and in a second direction in the vicinity of the inner face of the second substrate, the first direction being substantially perpendicular to the second direction, a pair of polarizer films one overlying the first substrate and the other underlying the second substrate, and at least one phase-shift film intervening between one of the first and second substrates and one of the polarizer films.
    • 一种显示装置,包括:液晶单元,其包括彼此大致平行间隔开的​​第一和第二透明基板,以形成间隙,扭曲向列型液晶体在基板之间填充间隙,取向装置将液晶 间隙中的分子在第一基板的内表面附近的第一方向上以及在第二基板的内表面附近的第二方向上定向,第一方向基本上垂直于第二方向, 一对偏振膜,其一个覆盖在第一基板上,另一个位于第二基板下方,以及至少一个相移膜介于第一和第二基板之一和偏振膜之一之间。
    • 36. 发明授权
    • Multi-beam scanning device
    • 多光束扫描装置
    • US07084896B2
    • 2006-08-01
    • US09817339
    • 2001-03-27
    • Yoshihiro HamaSusumu MikajiriYasushi Suzuki
    • Yoshihiro HamaSusumu MikajiriYasushi Suzuki
    • B41J27/00
    • G02B26/125
    • A multi-beam scanning device is provided with a light source that emits a plurality of light beams, a polygonal mirror that deflects the light beams to scan, and an optical system that converges the deflected light beams on a plurality of objects to be scanned. The objects are arranged on a side, with respect to the polygonal mirror, in which the light beams scan, from a position closer to the polygonal mirror to a position farther from the polygonal mirror in order. The optical system further includes a plurality of optical path turning systems that turn optical paths of the deflected light beams, respectively. Each of the optical path turning systems includes a plurality of reflection surfaces, the numbers of the reflection surfaces of the optical path turning systems are all even, or odd.
    • 多光束扫描装置设置有发射多个光束的光源,使扫描的光束偏转的多面镜,以及将被偏转的光束会聚在待扫描的多个物体上的光学系统。 物体相对于多边形镜被布置在侧面上,光束从多面镜扫描,从更靠近多面镜的位置依次排列到离多棱镜更远的位置。 光学系统还包括分别转动偏转光束的光路的多个光路转向系统。 每个光路转向系统包括多个反射表面,光路转动系统的反射表面的数量都是均匀的或奇数的。
    • 39. 发明授权
    • Anti-ferroelectric liquid crystal cell
    • 反铁电液晶电池
    • US6151095A
    • 2000-11-21
    • US194203
    • 1998-11-20
    • Yasushi SuzukiAkira SuguroTomoyuki YuiMasahiro JohnoTakahiro Matsumoto
    • Yasushi SuzukiAkira SuguroTomoyuki YuiMasahiro JohnoTakahiro Matsumoto
    • C09K19/02C09K19/20G02F1/133G02F1/141C09K19/12
    • C09K19/0266C09K19/2021G02F1/141G02F1/13306G02F2001/1412
    • An antiferroelectric liquid crystal cell having a high-speed response and wide viewing angle characteristic free of an image sticking phenomenon is provided. This antiferroelectric liquid crystal cell is composed of an antiferroelectric liquid crystal material held between a pair of parallel substrates. The antiferroelectric liquid crystal material filled between the parallel substrates has such a characteristic that when a sinusoidal voltage value with a changing reference frequency is applied to the antiferroelectric liquid crystal cell, the imaginary part of the complex dielectric constant obtained by Fourier transform of the output voltage value output from the antiferroelectric liquid crystal cell has no local maximum value within the reference frequency range of 100 Hz to 5 kHz. In other words, this characteristic is similar to a characteristic such that when the real part and the imaginary part of the complex dielectric constant are plotted by using a Cole--Cole plot for each frequency, a characteristic curve having no local maximum value within the reference frequency range of 100 Hz to 5 kHz is obtained.
    • PCT No.PCT / JP98 / 01195 Sec。 371日期:1998年11月20日 102(e)1998年11月20日日期PCT 1998年3月19日PCT PCT。 WO98 / 42801 PCT出版物 日期1998年10月1日提供了具有无图像残留现象的高速响应和宽视角特征的反铁电液晶单元。 该反铁电液晶单元由保持在一对平行基板之间的反铁电液晶材料构成。 填充在平行基板之间的反铁电液晶材料具有以下特征:当将具有变化的基准频率的正弦电压值施加到反铁电液晶单元时,通过傅里叶变换输出电压获得的复介电常数的虚部 来自反铁电液晶单元的输出值在100Hz至5kHz的参考频率范围内没有局部最大值。 换句话说,该特性类似于这样的特性,即当通过使用每个频率的Cole-Cole绘图绘制复介电常数的实部和虚部时,在参考中没有局部最大值的特性曲线 获得100Hz至5kHz的频率范围。