Sony Corporation

Sony Semiconductor Solutions Corporation

Taiyo Ink Mfg. Co., Ltd.

Manabu Tomita

Iwao Ushinohama

Shogo Ono

Minoru Kohno

Takeo Eguchi

Koichi Igarashi

Soichi Kuwahara

Takaaki Miyamoto

Yuichiro Ikemoto

Takaaki Murakami

Kazuyasu Takenaka

Masato Nakamura

Toru Tanikawa

Osamu Tateishi

Shigeyoshi Hirashima

Yuzo Fukuzaki

Hitoshi Kamoda

Kazuhisa Ogawa

Shigeru Ushiki

Shinji Kayaba

Hiroichi Kawahira

Shohei Makita

Fusa Nakayama

Takaai Miyamoto

Hiroshi Kagotani

Yoshiaki Honda

A memory cell includes a flip-flop circuit that includes a first CMOS inverter circuit including a 1Ath transistor TRand a 1Bth transistor TRand a second inverter circuit including a 2Ath transistor TRand a 2Bth transistor TRand two transfer transistors TRand TR. The 1Ath transistor TRand the 2Ath transistor TRare connected to a common first power supply line, and the 1Bth transistor TRand the 2Bth transistor TRare connected to a common second power supply line.

Memory cell and CMOS inverter circuit

A semiconductor unit includes: a substrate made of a semiconductor; and a device group formed on the substrate and configured of a plurality of first capacitors, in which the device group includes one or a plurality of first conductive layers and a second conductive layer, the first and second conductive layers provided to be superimposed on each other in part or as a whole with an insulating film in between, the first conductive layer includes an edge extending along one direction, the second conductive layer includes a plurality of sub-conductive layers having substantially same shapes as one another, and the plurality of sub-conductive layers are arranged in relatively different positions with respect to the edge of the first conductive layer.

Semiconductor unit and test method

A droplet discharge head includes: a liquid reservoir which holds a liquid; a channel through which the liquid is guided to the liquid reservoir; and a driving element which changes the pressure in the liquid reservoir so as to discharge droplets of the liquid contained in the liquid reservoir through a nozzle, in which wall surfaces of the liquid reservoir and of the nozzle are arranged in a continuous line at a side opposite the channel with respect to the center of the nozzle as seen in a cross-sectional view through a central axis of the nozzle.

Droplet discharge head and droplet discharging unit incorporating the same

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

There is provided a head including a chipthat has a semiconductor substrate, heating elementsdisposed on the semiconductor substrate, coating layersdisposed on the semiconductor substrateand having nozzlesarranged in regions above the respective heating elements, and individual channelseach communicating with the outside and the region above the corresponding heating element, wherein the semiconductor substratedoes not have a through hole communicating with each individual channel; a ink feed memberhaving a common channel, the ink feed memberbeing bonded to the chipin such a manner that the common channelcommunicates with the individual channels; and a topdisposed on the chipand the ink feed memberso as to seal the opening of the common channel

Liquid discharging apparatus and method for manufacturing liquid discharging apparatus

A liquid discharge recording head which discharges a liquid includes a substrate on which liquid-discharge-energy-generating elements are provided and which constitutes a part of a flow path for supplying the liquid; and a covering resin layer which is provided on the substrate, which constitutes a part of the flow path, and which includes orifices for discharging the liquid, wherein the covering resin layer is composed of an oxetane resin composition containing an oxetane compound having at least one oxetanyl group in its molecule and a photocationic polymerization initiator as essential components.

Liquid discharge recording head having an improved oxetane resin covering layer as part of a liquid flow path and liquid discharge apparatus

In a method and an apparatus for ejecting liquid, the processing accuracy of an ejection unit for ejecting ink can be easily increased and the variations in the volume of ink drops, the ejection angle thereof, etc., can be reduced even when dust is mixed in ink. In addition, a reduction in an ink-supply speed at which ink is supplied to an ink ejection unit can be prevented. An ink ejection apparatus includes a plurality of heating units () provided on a base member (), ink cells for pressurizing ink with energy generated by the heating units (), and nozzles () having ejection holes for ejecting the ink which is pressurized in the ink cells. Each of the nozzles () is disposed above each of the heating units (). In addition, first open sides of the nozzles () which face the heating units () serve as ink inlets () and second open sides of the nozzles () serve as the ejection holes (), so that inner spaces of the nozzles () serve as the ink cells, the ink cells not being provided separately.

Method and apparatus for ejecting liquid

A liquid ejection head includes a liquid chamber configured to contain liquid to be ejected from a nozzle, a liquid ejection member including the nozzle, and an energy generating element configured to provide energy to the liquid contained in the liquid chamber. The energy generating element ejects the liquid contained in the liquid chamber from the nozzle as a liquid droplet. A depression is formed on a surface of the liquid ejection member around the nozzle such that an opening of the depression has a width greater than a width of an opening of the nozzle and the nozzle is positioned at the bottom of the depression. The interior angle of the bottom corner of the depression is determined to be greater than 90 degrees.

Liquid ejection head, liquid ejection apparatus, and method for fabricating liquid ejection head

A head module includes lines of head chips, each head chip having energy-generating elements for discharging liquid and electrodes for electrically connecting the energy-generating elements to a control substrate, and a wiring board having wires for electrically connecting the electrodes to the control substrate. The head module drives the energy-generating elements through the wiring board to discharge liquid. The wiring board includes connecting sections connecting the wires to the respective electrodes, common wire sections joining some of the wires that are common to the head chips, and a terminal section connecting the wires to the control substrate at one side of the wiring board. The wires in the connecting and terminal sections are arranged in a single-layer structure along a horizontal direction. The wires in the common wire sections are arranged in a multi-layer structure in which portions of the wires are stacked in the vertical direction.

Head module, liquid discharge head, and liquid discharge apparatus

Disclosed is a liquid ejecting recording head with improved operational reliability. A first coating resin layer of a liquid ejecting recording head, having a liquid flow duct and a liquid ejecting orifice, is formed of an oxetane resin composition that contains, as necessary components, an oxetane compound having at least one oxetanyl group in a molecule, and a cationic photopolymerization initiator.

Method for producing liquid ejecting recording head

A flow path structure includes a heating element, a barrier layer, a liquid chamber formed by a part of the barrier layer and a pair of walls confronting each other to hold the heating element therebetween and a first individual flow path and a second individual flow path disposed on both the sides of the liquid chamber to communicate with the liquid chamber, a liquid is supplied to the liquid chamber from at least one of first and second individual flow paths, and the distance U between the walls in the liquid chamber and the flow path width W of the first individual flow path are set to satisfy U&#x3e;W. With this arrangement, a flow path structure can be provided in which a failure in flow paths due to dusts is unlike to occur and which minimizes the influence of bubbles and has almost no uneven ejection.

Growing community of inventors

Kanagawa, Japan

Manabu Tomita