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    • 14. 发明授权
    • Method of manufacturing a piezoelectric vibrator capable of reliably
preventing dielectric breakdown
    • 制造能够可靠地防止绝缘击穿的压电振动器的制造方法
    • US5400488A
    • 1995-03-28
    • US156280
    • 1993-11-22
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • H01L41/083H01L41/09H01L41/22
    • H01L41/0906H01L41/0471H01L41/083H01L41/0926H01L41/094H01L41/273H03H9/02228H03H9/178Y10T29/42
    • On a first piezoelectric sheet of a piezoelectric vibrator, a second piezoelectric sheet is stacked with interposition, between the sheets, of first-set electrodes, formed on an upper surface of the first piezoelectric sheet. Second-set electrodes are formed on an upper surface of the second piezoelectric sheet with each placed halfway between two adjacent ones of the first-set electrodes. The second piezoelectric sheet is poled in directions from each second-set electrode to the two adjacent ones of the first-set electrodes. Preferably, third-set electrodes are formed on a lower surface of the first piezoelectric sheet with each arranged halfway between two adjacent ones of the first-set electrodes. In this event, the first piezoelectric sheet is poled in directions from each third-set electrode to two adjacent ones of the first-set electrodes. Each first-set electrode has a first end along a side surface of the first piezoelectric sheet with each second-set and each third-set electrode possessed of a second and a third end along opposite side surfaces of the first and the second piezoelectric sheets. First and second common outside electrodes are formed on such side surfaces in contact with the first end of each first-set electrode either directly or through a first common electrode and in contact with the second and the third ends of the second-set and the third-set electrodes either directly or through second and third common electrodes.
    • 在压电振动器的第一压电片上,在第一压电片的上表面上形成第二压电片层叠在片之间的第一组电极之间。 第二组电极形成在第二压电片的上表面上,每个电极位于两个相邻的第一组电极之间的中间。 第二压电片从每个第二组电极到两个相邻的第一组电极的方向极化。 优选地,第三组电极形成在第一压电片的下表面上,每个电极布置在两个相邻的第一组电极之间的中间。 在这种情况下,第一压电片从每个第三组电极到两个相邻的第一组电极的方向极化。 每个第一组电极具有沿着第一压电片的侧表面的第一端,每个第二组电极和每个第三组电极具有沿着第一和第二压电片的相对侧表面的第二和第三端。 第一和第二公共外部电极形成在与第一组电极的第一端直接或通过第一公共电极接触并与第二组和第三组的第二和第三端接触的侧表面上 直接或通过第二和第三公共电极设置电极。
    • 15. 发明授权
    • Piezoelectric vibrator capable of reliably preventing dielectric
breakdown and a method of manufacturing the same
    • 能够可靠地防止绝缘击穿的压电振动器及其制造方法
    • US5315205A
    • 1994-05-24
    • US946946
    • 1992-09-17
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • Tomeji OhnoTetsuo YoshidaYoshiaki Fuda
    • H01L41/083H01L41/09H01L41/04
    • H01L41/0906H01L41/0471H01L41/083H01L41/0926H01L41/094H01L41/273H03H9/02228H03H9/178Y10T29/42
    • On a first piezoelectric sheet of a piezoelectric vibrator, a second piezoelectric sheet is stacked with interposition, between the sheets, of first-set electrodes (24(1), 24(2)) formed on an upper surface of the first piezoelectric sheet. Second-set electrodes are formed on an upper surface of the second piezoelectric sheet with each placed halfway between two adjacent ones of the first-set electrodes. The second piezoelectric sheet is poled in directions from each second-set electrode to the two adjacent ones of the first-set electrodes. Preferably, third-set electrodes are formed on a lower surface of the first piezoelectric sheet with each arranged halfway between two adjacent ones of the first-set electrodes. In this event, the first piezoelectric sheet is poled in directions from each third-set electrode to two adjacent ones of the first-set electrodes. Each first-set electrode has a first end along a side surface of the first piezoelectric sheet with each second-set and each third-set electrode possessed of a second and a third end along opposite side surfaces of the first and the second piezoelectric sheets. First and second common outside electrodes are formed on such side surfaces in contact with the first end of each first-set electrode either directly or through a first common electrode and in contact with the second and the third ends of the second-set and the third-set electrodes either directly or through second and third common electrodes.
    • 在压电振动器的第一压电片上,在第一压电片的上表面上形成的第一组电极(24(1),24(2))之间,在片之间叠置第二压电片。 第二组电极形成在第二压电片的上表面上,每个电极位于两个相邻的第一组电极之间的中间。 第二压电片从每个第二组电极到两个相邻的第一组电极的方向极化。 优选地,第三组电极形成在第一压电片的下表面上,每个电极布置在两个相邻的第一组电极之间的中间。 在这种情况下,第一压电片从每个第三组电极到两个相邻的第一组电极的方向极化。 每个第一组电极具有沿着第一压电片的侧表面的第一端,每个第二组电极和每个第三组电极具有沿着第一和第二压电片的相对侧表面的第二和第三端。 第一和第二公共外部电极形成在与第一组电极的第一端直接或通过第一公共电极接触并与第二组和第三组的第二和第三端接触的侧表面上 直接或通过第二和第三公共电极设置电极。
    • 18. 发明授权
    • Method of forming image providing a change in sensitivity by altering
the pH of the developer
    • US4873173A
    • 1989-10-10
    • US110981
    • 1987-10-21
    • Senzo SasaokaTetsuo YoshidaNobuaki Inoue
    • Senzo SasaokaTetsuo YoshidaNobuaki Inoue
    • G03C5/29G03C1/06G03C5/30
    • G03C1/061G03C5/30
    • A method of forming an image is provided. The method comprises the steps of (a) imagewise exposing a photographic material which comprises a support having provided thereon at least one light-sensitive silver halide emulsion layer and which contains a hydrazine compound represented by the following general formula (I) in the emulsion layer or a hydrophilic colloid layer adjacent thereto, the photographic material being designed so that a difference in sensitivity (sensitivity being defined as log E corresponding to the density of fog+2.0) between (1) the photographic material is development-processed with a developing solution having a sulfite ion concentration of 0.15 mole/l or more, a potassium ion concentration of 0.2 mole/l or more and a pH value ranging from 10.5 to 12.3 and (2) the photographic material is development-processed with the same developing solution as described above, except that the pH value was lowered by 1.0, (.DELTA.log E), is 0.7 or less, and moreover, the gamma value obtained in (1) is 10 or more and the gamma value obtained in (2) is 5 or more: ##STR1## wherein A represents an aliphatic group, or an aromatic group; B represents a formyl group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxcarbonyl group, a sulfinamoyl group, an alkoxysulfonyl group, a thioacyl group, a thiocarbamoyl group, a sulfamoyl group, or a heterocyclic group; both R.sub.0 and R.sub.1 represent a hydrogen atom, or one of them represents a hydrogen atom and the other represents an alkysulfonyl group, an arylsulfonyl group, or an acyl group; and B, R.sub.1 and the nitrogen atom attached thereto may form a partial structure of hydrazone, and (b) developing the exposed material with a developer. The method realizes superhigh contrast and high resolution images.
    • 19. 发明授权
    • Silver halide photographic printing paper
    • 卤化银照相印刷纸
    • US4657846A
    • 1987-04-14
    • US684318
    • 1984-12-20
    • Tadayoshi KokuboTadashi IkedaKeiichi AdachiMasaki OkazakiTetsuo Yoshida
    • Tadayoshi KokuboTadashi IkedaKeiichi AdachiMasaki OkazakiTetsuo Yoshida
    • G03C1/06G03C1/12G03C1/18G03C1/775G03C1/815G03C1/19
    • G03C1/8155G03C1/18Y10S430/134
    • A silver halide photographic light-sensitive materials are described. In silver halide photographic printing paper comprising at least one silver halide photographic emulsion layer applied to a water impermeable reflective base, the printing paper of the present invention is in the improvement wherein said silver halide emulsion layer is spectrally sensitized with at least one cyanine dye represented by general formulae I and II, and an emulsified dispersion or latex dispersion of a water insoluble fluorescent whitening agent contained in a hydrophilic vehicle of at least one layer applied to the base on the same side as said silver halide emulsion layer: ##STR1## wherein Y.sub.1 and Y.sub.2 each represents an O atom, --N--R.sub.7 or a S atom, wherein R.sub.7 represents a lower alkyl group, A represents H or a lower alkyl group having 4 or less carbon atoms, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents --H, --CH.sub.3, --OCH.sub.3, --C.sub.2 H.sub.5, --OC.sub.2 H.sub.5, --CN, --Cl, --F, --CF.sub.3, --COOH, --COOCH.sub.3 or --COOC.sub.2 H.sub.5, R.sub.5 and R.sub.6 each represents substituted or non-substituted lower alkyl group, but at least one of R.sub.5 and R.sub.6 is substituted by a sulfo group, and X represents an anionic residue.
    • 描述了卤化银照相感光材料。 在包含施加到不透水的反射基底上的至少一个卤化银照相乳剂层的卤化银照相印刷纸中,本发明的印刷纸的改进在于其中所述卤化银乳剂层用至少一种花青染料代表光谱增感 通过通式I和II,以及在与所述卤化银乳剂层相同的一侧施加到基底上的至少一层的亲水载体中包含的水不溶性荧光增白剂的乳化分散体或胶乳分散体: 其中Y1和Y2各自表示O原子,-N-R7或S原子,其中R7表示低级烷基,A表示H或碳原子数4以下的低级烷基,R1,R2, R 3和R 4各自表示-H,-CH 3,-OCH 3,-C 2 H 5,-OC 2 H 5,-CN,-Cl,-F,-CF 3,-COOH,-COOCH 3或-COOC 2 H 5, 取代的低级烷基,但是至少一个 R5和R6被磺基取代,X表示阴离子残基。