Abstract: A process for forming an additive-containing Al film of good quality according to the CVD method utilizing an alkyl aluminum hydride, a gas containing an additive and hydrogen, which is an excellent deposited film formation process also capable of selective deposition of additive-containing Al.

Abstract: A process for forming a metal film comprises the steps of arranging a substrate in a space for formation of the film, introducing an alkylaluminum hydride gas and hydrogen gas into the space and heating directly the substrate to form a metal film comprising aluminum as main component on the surface of the substrate.

Abstract: A process for forming a deposited film comprises the steps of;(a) disposing in a space for forming a deposited film a substrate having an electron donative surface;(b) introducing to the space for forming a deposited film i) a gas comprising an organic metal compound containing a tungsten atom and ii) a hydrogen gas; and(c) forming a tungsten film on the electron donative surface.

Abstract: In a photoelectric converter provided with a phototransistor having at least two main electrode areas of a first conductive type of semiconductor and a control electrode area of a different conductive type of semiconductor, and a field effect transistor having the same control electrode area, a channel area, a main electrode area of the second conductive type and a gate electrode above the channel area, the channel area is formed in a high impurity concentration area of the first conductive type with a depth greater than that of the control electrode area and of the field effect transistor main electrode area. The channel area arrangement provides improved performance and reliability in a photoconverter requiring a large depletion layer.

Abstract: A photoelectric converting apparatus has a reflection preventing section. The section is formed on at least a peripheral portion of said light receiving section.

Abstract: In a vent-free single-duct drainage piping system for vertical installation in multi-storied buildings with horizontally extending branches to receive drain from sources of different floors of the building installed, a joint for connecting vertical pipe sections of the drainage piping system is disclosed, which comprises an upper pipe portion having a spiral axis between opposite end portions thereof and adapted for connection to the upstream side of the vertical drainage system to receive drain therfrom. A lower pipe portion is comprised of a first vertical passage connected in direct fluid flow relationship with the upper pipe portion and a second vertical passage having at a side thereof side ports adapted for connection to horizontal drainage pipes laid at a particular floor of the building. The first vertical passage receives drain from the upper pipe portion and the second vertical passage receives drain from the horizontal pipes.

Abstract: A photoelectric conversion device has a plurality of photoelectric conversion cells, each cell having a semiconductor transistor comprising two main electrode regions made of one conductivity type semiconductor and a control electrode region made of opposite conductivity type semiconductor, and a capacitor for controlling a potential of the control electrode region in a floating state, the potential at the control electrode region in a floating state being controlled by means of the capacitor so that carriers generated by light are stored in the control electrode region and the output of each cell is controlled in accordance with the storage voltage generated by the storage. In such a photoelectric conversion device, a plurality of points on the control electrode region constituting a light reception region for the photoelectric conversion cell or on the main electrode region, are short-circuited by interconnections.

Abstract: A photoelectric converting device is provided with photoelectric converting cells. Each cell is provided with a semiconductor transistor and a capacitor. The transistor is composed of two main electrode semiconductor areas of a first type and a control electrode semiconductor area of opposite conductivity type. The capacitor controls the potential of said control electrode area in a floating state. The cell is capable of an accumulating operation for accumulating photo-induced carriers in said control electrode area, a read-out operation for reading an output controlled by a voltage generated by said accumulation, and a refreshing operation for dissipating the carriers accumulated in said control electrode area, by means of controlling the potential of said control electrode area in floating state through said capacitor.

Abstract: A semiconductor device, e.g. a photoelectric converter, comprises a semiconductor transistor having a semiconductor controlling electrode region of one conductivity type resettable at a desired stage, an element isolation region of the same conductivity type, and an insulated gate type switching transistor for making the controlling electrode region and the element isolation region electrically conductive with each other. The element isolation region is preferably formed by at least two impurity injections with lamination or superposition. A peripheral element may be provided in the same substrate simultaneously with the formation of the semiconductor transistor and the element isolation region.

Abstract: A photoelectric device comprises a plurality of photoelectric converting cells. Each of the cells has a semiconductor transistor consisting of two main electrode regions formed of a semiconductor of one conductivity type and a control electrode region formed of a semiconductor of the opposite conductivity type and a capacitor for controlling a potential of the control electrode region in the floating state. Each of the photoelectric converting cells accumulates carriers generated due to an incident light into the control electrode region and controls an output by a voltage generated due to the accumulated carriers by controlling the potential of the control electrode region in the floating state through the capacitor.

Abstract: A liquid jet recording device comprises a plurality of heat actuating chamber portions communicating with ejecting orifices for ejecting a liquid to form flying droplets, an electrothermal transducer provided for each heat actuating chamber portion so as to transfer heat effectively to the liquid filling the heat actuating chamber portion, and a driving circuit portion comprising a plurality of function elements for separating signals to drive independently each of the electrothermal transducers and for driving the electrothermal transducers. The plurality of electrothermal transducers and the plurality of function elements are structurally formed in the surface of a substrate, or the plurality of electrothermal transducers are mounted on the surface of a substrate in the surface of which the function elements are formed, and the electrothermal transducers are mounted in a form of a laminating structure.

Abstract: A liquid jet recording apparatus comprises a first ink tank for storing an amount of ink, a second ink tank for receiving the ink from said first tank through a feed tube, a recording head for jetting the ink fed from said second tank, and a carriage for reciprocally moving said second ink tank and recording head together, characterized in that at least a portion of said feed tube is lengthwise moved following the movement of said second ink tank along the course of its reciprocation and thereby the ink is fed to said second ink tank from said first ink tank.

Abstract: A liquid ejecting recording process using a liquid ejecting recording head comprises a liquid discharging portion including an orifice for ejecting liquid droplets and a heat acting portion communicated with said orifice, said heat acting portion being a portion where heat energy for discharging liquid droplets acts to a liquid, and an electrothermal transducer having a structure laminated on a substrate with the layers mentioned below in the following order a lower layer, a resistive heater layer, and an upper layer from the substrate to the heat acting portion on the position of the heat acting portion, characterized in that when a signal voltage is applied to said resistive heater layer and potentials generating at two electrodes A and B connected with said resistive heater layer are represented by V.sub.A and V.sub.B, respectively, potential V applied to at least the surface portion of said upper layer is kept intermediate between V.sub.A and V.sub.

Abstract: An ink jet recording head of the type in which ink droplets are jetted from the orifice of the head toward a recording material to effect recording on the surface of the recording material with said ink droplets, said recording head characterized in that at least the area surrounding the jet orifice is treated with a compound of general formula: R.Si.X.sub.3 wherein, R is a fluorine containing group selected from fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroalkaryl and fluoroalkylaryl, each having 1 to 20 carbon atoms, and the ratio in number of fluorines: other elements in said fluorine containing group being not less than 1:1, and X is halogen, a hydrolyzable group selected from alkoxy, alkyl and acyloxy each having 1 to 5 carbon atoms, or hyroxyl.

Abstract: A droplets forming device of a construction wherein a body of liquid to be introduced into a chamber connected with liquid droplets discharging orifice is heated at a heat generating section provided on a part of the chamber, and the thus heated body of liquid is discharged from the orifice in the form of droplets, and in which the surface in contact with the liquid at this heat generating section is made to have surface coarseness of from 0.05S to 2S measured in accordance with the Japanese Industrial Standard JIS B 0601.

Abstract: A liquid jet recording device is provided with a cleaning protective means for cleaning and protecting the orifice. This means is provided at a reset position lying at one end of the scanning shaft of the device.

Abstract: A liquid jet recording head used for a liquid jet recording device conducting recording by projecting a liquid droplet to a predetermined direction comprises recording head elements each of which comprises an inflow port side end portion having an inflow port for the liquid, an ejecting orifice side end portion having an ejecting orifice for ejecting the liquid at the end, a pressure generating portion existing between the inflow port side end portion and the ejecting orifice side end portion and communicating with them, and an electromechanical transducer connected to the pressure generating portion and capable of changing the inner pressure of the liquid in the pressure generating portion; and a jig comprising grooves for fixing the recording head elements and electric contacts for applying electric signals to the electromechanical transducer, the recording head element being pressed from two directions to be fixed to the groove and an electric contact being established between the electromechanical transdu