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81. 发明专利

JP2581833B2 失效
公开(公告)号：JP2581833B2
公开(公告)日：1997-02-12
申请号：JP20502790
申请日：1990-08-03
申请人： HITACHI LTD
发明人： SAKAI MASANORI , MABUCHI KATSUMI , ARATO TOSHIAKI , TAKAHASHI TAKUYA , IZUMITANI MASAKYO , MASAOKA ISAO , KOJIMA YOSHUKI , INAGAKI MASATOSHI , OOSUMI KATSUMI , HAYASHI MAKOTO , SATO FUMIO , SUWA MASATERU , AKAHORI KIMIHIKO B
IPC分类号： G01N17/02 , G01N27/26 , G01N27/27 , G01N27/30 , G01N27/333 , G01N27/401 , G01N27/403 , G01N27/416 , G01N27/48 , G01N33/18 , G21C17/02 , G21C17/022
摘要： A plant operational status monitoring supervisory system comprising; means for extracting information directly relating to water quality of an objective portion consecutively for a period of time by means of an electrochemical water quality sensor (2) installed in an objective portion (3) to monitor in-situ in a plant; means (6) for evaluating water quality based on thus extracted information; means (6) for comparing an obtained water quality evaluation result with a reference value for a predetermined plant operation procedure; and means (7) for displaying or storing necessary portion out of said comparison results; is disclosed. An electrochemical reference electrode used in this system being provided with an electrolyte layer (23) containing ion of the electrode member; a porous ceramic layer (22) surrounding the same without permeating liquid; and electrode member (26) electrochemically contacting with said elec-trolyte layer (23) ; and a terminal (31) electrically contacting with said electrode member; and further having a long life in high temperature water, various status of high temperature water in objective portions and that of nearby constituent members in a plant are possible to be monitored online by means of this reference electrode. Further, because monitored data are processed by means of a neural network, the higher precision level of monitoring has been achieved.

82. 发明专利

JPH0578767A ALUMINUM BRONZE ALLOY HAVING HIGH WEAR RESISTANCE AND SLIDING MEMBER USING THE SAME 失效
公开(公告)号：JPH0578767A
公开(公告)日：1993-03-30
申请号：JP24145791
申请日：1991-09-20
申请人： HITACHI LTD
发明人： BABA NOBORU , KOMURO KATSUHIRO , SUWA MASATERU , CHIKAZAKI MITSUO , KUMAGAI YOUZOU , KAINUMA MASAYOSHI , SAKAKURA MASARU
IPC分类号： C22C9/01 , F16C33/12
摘要： PURPOSE:To provide a wear resistant aluminum bronze alloy for a sliding member used in various industrial machines. CONSTITUTION:This wear resistant aluminum bronze alloy consists of 7-12wt.% Al, 1.5-5.5wt.% Mn, 0.45-2.7wt.% Si and the balance essentially Cu, contains an Mn-Si compd. dispersed in the structure and has =2 times as high as that of an ordinary aluminum bronze alloy (JIS-ALB C2).

83. 发明专利

JPH0465533B2 失效
公开(公告)号：JPH0465533B2
公开(公告)日：1992-10-20
申请号：JP27904390
申请日：1990-10-19
申请人： HITACHI LTD
发明人： OONUKI HITOSHI , SUWA MASATERU , KOIZUMI MASAHIRO , ASAI OSAMU , SUZUKI KATSUMI , HIRAGA MAKOTO
IPC分类号： H01L21/60

84. 发明专利

JPH0412621B2 失效
公开(公告)号：JPH0412621B2
公开(公告)日：1992-03-05
申请号：JP5570984
申请日：1984-03-23
申请人： HITACHI LTD
发明人： TSUCHA MASATOSHI , SUWA MASATERU , OONUKI HITOSHI , TAGUCHI KAZUO , IIZUKA TOMIO
IPC分类号： H01L21/60 , C22C21/00 , H01L23/49
摘要： PURPOSE:To obtain an aluminum alloy wire having high bonding strength and high corrosion-resisting property by a method wherein the second noble element having no solubility for Al and the third element having solubility for Al are contained in Al. CONSTITUTION:In order to improve the corrosion-resisting property of a corrosion-resisting Al alloy wire, the second noble element having no substantial solubility for Al is contained in Al. The second element consists of one or two kinds selected from the group of Au, Ni and Pd. Also, the third element having solubility for Al is added for the purpose of increasing the degree of hardness of a ball without impairing the corrosion-resisting property of the corrosion- resisting Al alloy wire. Said third element is the element which is selected from the group of Cu, Mg, Ti and Zr. As a result, the corrosion-resisting Al alloy wire having the hardness of Hv30 or above in the ball hardness in normal temperature can be obtained. Accordingly, high bonding strength and a high corrosion-resisting property can be obtained.

85. 发明专利

JPH0412620B2 失效
公开(公告)号：JPH0412620B2
公开(公告)日：1992-03-05
申请号：JP8336383
申请日：1983-05-12
申请人： HITACHI LTD
发明人： OONUKI HITOSHI , SUWA MASATERU , KOIZUMI MASAHIRO , KOBAYASHI MASAMICHI
IPC分类号： C22C21/00 , H01L21/60 , H01L23/49
摘要： PURPOSE:To enable to increase the connecting strength of the titled ultrafine wire by a method wherein, when the Al pad on a semiconductor element and the external terminal of a lead frame are connected using a fused ball formed at the tip of an Al alloy ultrafine wire, the hardness when the ultrafine wire is formed into a fused ball is increased by 1.5 times of the hardness when pure Al is formed into a fused ball, thereby enabling to eliminate the exfoliation of the interface of a bonding part. CONSTITUTION:In the case of a resin sealed element, a voltage is applied between the tip of an Al alloy wire and an electrode, a fused ball is formed at the tip of a wire by discharging electricity. Then, the Al pad on the element and the lead frame which is the external terminal are connected by an Al alloy ball. According to this constitution, the hardness of the fused ball formed on the Al alloy wire is increased by 1.5 times of the hardness of the fused ball formed on pure Al wire. In order to accomplish the above purpose, 0.2-2% of a kind or a plurality of kinds of Si, Mg, Cr, Ti, P, Ca and the like are added to the Al alloy. Best result is obtained when 2% or thereabout of Mg is added.

86. 发明专利

JPH03148841A CORROSION RESISTANT ALUMINUM ELECTRONIC DEVICE 失效
公开(公告)号：JPH03148841A
公开(公告)日：1991-06-25
申请号：JP27904390
申请日：1990-10-19
申请人： HITACHI LTD
发明人： ONUKI HITOSHI , SUWA MASATERU , KOIZUMI MASAHIRO , ASAI OSAMU , SUZUKI KATSUMI , HIRAGA MAKOTO
IPC分类号： H01L21/60
摘要： PURPOSE:To improve corrosion resistance for synthetic resin by forming a bonding wire and a wiring film sealed with the resin of aluminum alloy containing specific amounts of noble metal such as palladium, platinum, ruthenium. CONSTITUTION:A bonding wire 1 and a wiring film 8 of a semiconductor device sealed with synthetic resin 12 are formed of aluminum alloy containing noble metal in aluminum. As the noble metal, one type of palladium, platinum, ruthenium, etc., having smaller hydrogen overvoltage than Al is employed. Its content amount is totally 0.05-3wt.% to enhance plastic workability and bondability at an eutectic point or lower containing initial crystallized Al. Such Al alloy is used to prevent corrosion of the alloy due to an inactive film for corrosive substance such as chlorine ions, amine, generated by the reaction of the resin with moisture in the atmosphere.

87. 发明专利

JPH03130502A STEAM TURBINE AND ROTOR SHAFT AND HEAT RESISTING STEEL THEREOF 失效
公开(公告)号：JPH03130502A
公开(公告)日：1991-06-04
申请号：JP2199690
申请日：1990-02-02
申请人： HITACHI LTD
发明人： SHIGA MASAO , FUKUI HIROSHI , MAENO YOSHIMI , TAKAHASHI SHINTARO , KURIYAMA MITSUO , SUWA MASATERU , KANEKO RYOICHI , TAN TOSHIMI , ONODA TAKESHI , WATANABE YASUO , KAJIWARA HIDEFUMI , HIRAGA MAKOTO
IPC分类号： F01D5/06 , C22C38/00 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , F01D25/00
摘要： PURPOSE:To increase an output of a signal engine of small size with implantation made possible of a long blade by forming a rotor shaft of Ni-Cr-Mo-V low alloy steel, having specific composition, while specifying breaking strength of this low alloy steel. CONSTITUTION:In a steam turbine, blades (moving blade) are implanted in a multistage manner from a high pressure side over to a low pressure side of steam in a high low pressure integral type rotor shaft 3, and thus a rotor is formed. The periphery of the rotor is covered with a casing 6. In the above constitution, the rotor shaft 3 is formed of No-Cr-Mo-V low alloy steel having bainite structure with (Mn/Ni) ratio 0.12 or less or (Si+Mn)/Ni ratio 0.18 or less, by weight ratio. Creep destruction strength of 100,000 hours at 538 deg.C of the low alloy steel is set to 11kg/mm or more. In this way, a long blade can be implanted with an output increase made possible of a single engine in small size.

88. 发明专利

JPH021230B2 失效
公开(公告)号：JPH021230B2
公开(公告)日：1990-01-10
申请号：JP7975885
申请日：1985-04-15
申请人： HITACHI LTD
发明人： NIHEI MASAYASU , SUWA MASATERU , CHIKAZAKI MITSUO
IPC分类号： C23C14/34 , C23C14/32 , C23C14/35 , C23C14/54 , H01J37/34

89. 发明专利

JPS6376871A METHOD AND APPARATUS FOR FORMING THIN FILM 失效
公开(公告)号：JPS6376871A
公开(公告)日：1988-04-07
申请号：JP21944686
申请日：1986-09-19
申请人： HITACHI LTD
发明人： NIHEI MASAYASU , CHIKAZAKI MITSUO , ONUKI HITOSHI , KAWABUCHI YASUSHI , SUWA MASATERU
IPC分类号： C23C14/40
摘要： PURPOSE:To form a thin film having high reliability by forming electric discharge to pulses of high peak electric power and applying high energy to vapor deposition particles, thereby increasing the kinetic energy of the vapor deposition particles and more randomizing incident angles. CONSTITUTION:The peak electric power is first set by power setting potentiometers 7, 8 of sputtering power supplies 5, 6 in the formation of thin film. Discharge time and quiescent time are set by the potentiometers 12, 13 of a switching time controller 11. The pulse electric power of the same phase as the phase of two targets 3, 4 is continuously supplied if the discharge is generated in this state. The vapor deposition particles of the high kinetic energy are thereby generated with the high peak pulse discharge and the temp. rise of a substrate is prevented. The vapor deposition particles scatter to further randomize the incident angles. The formation of the film even in fine step parts is possible as well.

90. 发明专利

JPS62103371A PLASMA CHEMICAL VAPOR DEPOSITION METHOD 失效
公开(公告)号：JPS62103371A
公开(公告)日：1987-05-13
申请号：JP24149085
申请日：1985-10-30
申请人： HITACHI LTD
发明人： NIHEI MASAYASU , CHIKAZAKI MITSUO , SUWA MASATERU , TAMAHASHI KUNIHIRO , ISHIKAWA NORITOSHI
IPC分类号： C23C16/50 , C23C16/515
摘要： PURPOSE:To form a laminar film, composite film and alloy film and to obtain a composite effect having optional characteristics by changing supply electric power impulsively, etc. thereby depositing films having different characteristics. CONSTITUTION:A continuous high-frequency signal is supplied from a high-frequency oscillator 14 to an initial stage high-frequency amplifier 9 and the signal programmed in a setting circuit is compared and amplified with the detection signal from a power detector 7 by a differential amplifier 10 in order to convert the above-mentioned signal to the impulsive low-frequency power or the high-frequency changing with time. The differential signal is supplied to the amplifier 9 which drives a high-frequency power amplifier 8 so as to obtain always the set power. The high-frequency is supplied via a matching circuit 2 to electrodes 4, 5 to generate glow discharge. More specifically, the peak power is changed periodically or with time to change the reaction and cracking of the gaseous raw material by plasma, by which the films having the different characteristics are successively deposited and the laminar film, composite film and alloy film are formed.

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