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    • 15. 发明授权
    • Aqueous coating composition containing fine particles of water insoluble
resin solution
    • 水性涂​​料组合物含有水不溶性树脂溶液的微粒
    • US4731409A
    • 1988-03-15
    • US11211
    • 1987-02-03
    • Hiroshi MiwaHideyoshi NodaSakuichi Konishi
    • Hiroshi MiwaHideyoshi NodaSakuichi Konishi
    • C09D5/00C09D5/02C08L63/00C08L33/02
    • C09D5/02
    • An aqueous coating composition comprising (A) an aqueous medium, (B) at least one water soluble or dilutable resin which has a water tolerance of 4 or more and whose 1% by weight aqueous solution shows a surface tension of 51 dyne/cm or less, and (C) fine particles of resinous solution of water insoluble resin in a hydrophobic solvent, the particles being uniformly dispersed in the combination of said aqueous medium (A) and the water soluble or dilutable resin (B) and having a mean diameter of 1.mu. or less, which is characterized in that the absolute value of difference in solubility parameter (.vertline..DELTA.Sp.vertline.) between said resinous solution and said water soluble or dilutable resin is within a range of .vertline..DELTA.Sp.vertline.
    • 一种水性涂料组合物,其包含(A)水性介质,(B)至少一种水溶性或可稀释的树脂,其耐水性为4以上,并且其1重量%的水溶液表现出51达因/厘米的表面张力或 少量,(C)水不溶性树脂的树脂溶液在疏水性溶剂中的微细颗粒,均匀分散在所述水性介质(A)和水溶性或可稀释树脂(B)的组合中,其平均直径 其特征在于,所述树脂溶液和所述水溶性或可稀释树脂之间的溶解度参数(| DELTA Sp|)的差异绝对值在| DELTA Sp| <2的范围内。 本涂料组合物的储存稳定性和施加特性优异,得到具有优异光泽和表面光滑度的涂料。
    • 16. 发明授权
    • Method for producing n-type group III nitride semiconductor
    • 制造n型III族氮化物半导体的方法
    • US08420516B2
    • 2013-04-16
    • US13067549
    • 2011-06-08
    • Masayoshi KosakiHiroshi Miwa
    • Masayoshi KosakiHiroshi Miwa
    • H01L21/311
    • H01L21/0242B82Y10/00B82Y40/00H01L21/02458H01L21/02502H01L21/0254H01L21/02576H01L21/02658
    • The present invention provides a method for producing an n-type Group III nitride semiconductor product having a high Si concentration and exhibiting favorable crystallinity. In the production method, specifically, an AlN buffer layer is formed on a sapphire substrate by MOCVD, and then a first layer (thickness: 2 μm) is formed from undoped GaN on the buffer layer by MOCVD at 1,140° C. Subsequently, a second layer (thickness: 200 nm) is formed from SiO2 on the first layer by plasma CVD, and then the second layer is removed by use of BHF (buffered hydrofluoric acid). Next, a GaN layer (thickness: 50 nm) is grown, by MOCVD at 1,140° C., on the first layer exposed by removal of the second layer without supply of an n-type dopant gas. Thus, on the first layer is provided a third layer formed of n-type GaN doped with Si at a high concentration and exhibiting favorable crystallinity.
    • 本发明提供一种具有高Si浓度并具有良好结晶性的n型III族氮化物半导体产品的制造方法。 在制造方法中,具体而言,通过MOCVD在蓝宝石基板上形成AlN缓冲层,然后通过MOCVD在1140℃在缓冲层上由未掺杂的GaN形成第一层(厚度:2μm)。随后, 通过等离子体CVD在第一层上由SiO 2形成第二层(厚度:200nm),然后通过使用BHF(缓冲氢氟酸)除去第二层。 接下来,通过在1140℃下的MOCVD生长GaN层(厚度:50nm),在不提供n型掺杂气体的情况下,通过去除第二层而暴露的第一层上。 因此,在第一层上提供由掺杂有高浓度的Si并且具有良好结晶度的n型GaN形成的第三层。
    • 18. 发明授权
    • Welding gun driving device
    • 焊枪驱动装置
    • US08212181B2
    • 2012-07-03
    • US12535866
    • 2009-08-05
    • Koichi MatsumotoHiroshi MiwaTeruaki Kobayashi
    • Koichi MatsumotoHiroshi MiwaTeruaki Kobayashi
    • B23K9/00B23K9/10B23K9/28B23K9/32B23K9/12
    • B23K11/31B23K11/314
    • A welding gun driving device is provided with an electric motor, a feed screw mechanism, and a pressure rod axially moved forward and backward via the feed screw mechanism by the electric motor. A rotor of the electric motor is formed into a hollow shape through which the pressure rod is insertable. The feed screw mechanism is provided with a screw shaft fixed to the rotor concentrically with the rotor, and a nut portion screwed to the screw shaft. The pressure rod is provided with the nut portion and a hollow rod portion extending toward the axial front from the nut portion. The rotor is provided, at its inner peripheral face, with a guide portion through which the pressure rod is inserted and supported so as to be relatively rotatable and axially slidable.
    • 焊枪驱动装置设置有电动机,进给螺杆机构和通过电动机通过进给螺杆机构而前后方向移动的压杆。 电动机的转子形成为可插入压杆的中空形状。 进给螺杆机构设置有与转子同心地固定到转子的螺杆轴,以及螺钉部分螺纹连接到螺杆轴。 压杆设置有螺母部分和从螺母部分朝向轴向前部延伸的中空杆部分。 转子在其内周面设置有引导部分,压杆通过该引导部分被插入和支撑以便可相对旋转并且可轴向滑动。
    • 19. 发明申请
    • WELDING GUN
    • 焊接枪
    • US20110192829A1
    • 2011-08-11
    • US13012178
    • 2011-01-24
    • Koichi MatsumotoHiroshi Miwa
    • Koichi MatsumotoHiroshi Miwa
    • B23K9/00
    • B23K11/315
    • A welding gun is provided that can endure high loads due to increasing the lead of the ball screw, while also being able to achieve a reduction in the size of a motor driving the ball screw. A welding gun equipped with a servo motor (10) as a drive source, includes: a hollow rod (43) that causes a moveable electrode tip (62) to advance and retract, a ball nut (42) that is coupled to the hollow rod (43), and a ball screw (41) that threadedly engages with the ball nut (42), in which a planetary gear reduction mechanism (70) is attached to the output shaft of the servo motor (10), and the ball screw (41) is attached to the output shaft of the reduction mechanism.
    • 提供了能够承受高负载的焊枪,由于增加了滚珠丝杠的引线,同时还能够实现减小驱动滚珠丝杠的马达的尺寸。 一种装备有作为驱动源的伺服电动机(10)的焊枪,包括:使可动电极头(62)前进和后退的中空杆(43),与螺母 以及与滚珠螺母(42)螺纹接合的滚珠丝杠(41),其中行星齿轮减速机构(70)安装在伺服马达(10)的输出轴上,球 螺杆(41)安装在减速机构的输出轴上。