Abstract: Both the size reduction and the increase in breakdown voltage of a high-voltage isolation transformer are realized, which is to be used in an insulating liquid in an X-ray generating apparatus. In the isolation transformer, an annular core and a primary coil wound around the annular core are housed in a first container, and a secondary coil is wound around the first container. A first opening through which an insulating liquid flows is provided in the first container.

Abstract: Zn based lead-free solder is obtained in which its range of practical melting points is between 300° C. and 350° C. The Zn based lead-free solder includes a Cr content of 0.05 through 0.2 wt %, an Al content of 0.25 through 1.0 wt %, an Sb content of 0.5 through 2.0 wt %, a Ge content of 1.0 through 5.8 wt %, and a Ga content of 5 through 10 wt %; or the Zn based lead-free solder includes a Cr content of 0.05 through 0.2 wt %, an Al content of 0.25 through 1.0 wt %, an Sb content of 0.5 through 2.0 wt %, a Ge content of 1.0 through 5.8 wt %, and an In content of 10 through 20 wt %.

Abstract: A semiconductor device includes, an alloy layer sandwiched between a first Ag layer formed on a mounting board or circuit board and a second Ag layer formed on a semiconductor element, wherein the alloy layer contains an intermetallic compound of Ag3Sn formed by Ag components of the first Ag layer and the second Ag layer and Sn, and wherein a plurality of wires containing Ag are arranged extended from an outside-facing periphery of the alloy layer.

Abstract: A radiation generating apparatus includes a radiation tube including an electrically insulating tubular member, a cathode provided at one of two openings of the tubular member, and an anode provided at the other opening of the tubular member; an electrically insulating outer tube surrounding at least a peripheral side of the radiation tube with a separation interposed therebetween; and a container that contains the radiation tube and the outer tube. A space in the container is filled with an insulating liquid. At least a portion of a gap between the tubular member and the outer tube is wider than at least one of a gap between the cathode and the outer tube and a gap between the anode and the outer tube.

Abstract: A radiation generating tube includes a cathode connected to an electron emitting member; an anode including a target; and an insulating tube disposed between the cathode and the anode to surround the electron emitting member. The insulating tube includes an electrical potential defining member at an intermediate portion of the insulating tube in a longitudinal axis direction of the insulating tube. The electrical potential defining member is electrically connected to an electrical potential defining unit. The potential of the electrical potential defining member is controlled to be higher than that of the cathode and lower than that of the anode. A boundary of the electrical potential defining member and the insulating tube does not face a portion of the anode exposed to the inside of the radiation generating tube.

Abstract: The present invention provides a radiation generating tube which suppresses electrical charging of an inner wall of an insulating tube attributable to electron emission from a junction between the insulating tube and a cathode and which has improved voltage withstand capability. The radiation generating tube comprising: a hollow insulating tube; a cathode and an anode respectively bonded to both ends of the insulating tube; and an electron emission source provided on the cathode, the radiation generating tube having a vacuum interior space. The electron emission source includes an electron emitting portion in the interior space, and the insulating tube includes a protrusion that protrudes into the interior space.

Abstract: A radiation generating tube includes a vacuum envelope formed by an insulating tube, a cathode and an anode. At least one of the cathode and the anode is bonded to the insulating tube via a conductive bonding material disposed between bonded surfaces facing each other. The conductive bonding material is partially protruding from between the bonded surfaces to an outer peripheral surface or an inner peripheral surface of the insulating tube. A concave portion is formed on the outer peripheral surface or the inner peripheral surface of the insulating tube adjacent to a bonded surface on an insulating tube side, and a distal end of a conductive bonding material protruding from between bonded surfaces is accommodated in the concave portion.

Abstract: Provided is an X-ray generator comprising an X-ray tube including a cylindrical body; an electron source in the body; a target at an end of the X-ray tube facing the electron source, the target generating X-rays by irradiation with electrons; a container in which the X-ray tube is arranged; insulating liquid filled between the X-ray tube and the container; and a holding member holding the body of the X-ray tube in the container, with a channel for the insulating liquid around the X-ray tube. The distance between the holding member and the end face at the end of the body in the direction in which the electron source and the target face is twice or more as large as the minimum width of the channel that is in contact with the outer surface of the X-ray tube at the end face side with respect to the holding member. This allows heat in the target to be quickly radiated, thus allowing X-rays to be generated stably for a long time.

Abstract: The present invention relates to a radiation generating apparatus which includes an envelope provided with a first window through which radiation is transmitted, a radiation tube housed in the envelope and provided with a second window through which the radiation is transmitted, the second window being located at a position opposite the first window, and an insulating fluid adapted to fill the space between the inner wall of the envelope and the radiation tube. Plural plates are arranged side by side between the first window including its periphery and the second window including its periphery, and overlapping one another with gaps between them. The gaps are formed among the plates, and thereby the withstanding voltage between the first window and second window is made larger.

Abstract: A radiation generating tube, which includes: a cathode connected to an electron gun structure; an anode including a target and configured to generate radiation; and a tubular side wall disposed between the cathode and the anode to surround the electron gun structure; and an electrical potential defining member disposed at an intermediate portion of the tubular side wall between the anode and the cathode. The electrical potential defining member is electrically connected to an electrical potential defining unit via an electrical resistance member or an inductor, and a potential of the electrical potential defining member is defined to be a higher potential than a potential of the cathode and to be a lower potential than a potential of the anode.

Abstract: The present invention relates to a radiation generating tube. The radiation generating tube includes an envelope including an insulating tubular member having at least two openings, a cathode connected to one of the openings of the insulating tubular member, and an anode connected to the other of the openings of the insulating tubular member. At least one of the cathode and the anode and the insulating tubular member are bonded at a bonded portion with an electrically conductive bonding member; and the bonded portion bonded with the electrically conductive bonding member is coated with a dielectric layer.

Abstract: It is an object of the present invention to provide an electronic component manufacturing method, capable of suppressing reduction in a trench opening and suppressing diffusion of a metal film embedded in a trench. An embodiment of the present invention is an electronic component manufacturing method, including the steps of: forming a first electrode constituting layer (e.g., a TiAl film) in a recess (e.g., a trench) formed in a workpiece; forming an ultrathin barrier layer (e.g., a TiAlN film) by forming a nitride layer by plasma-nitriding a surface of the first electrode constituting layer; and forming a second electrode constituting layer (e.g., an Al wiring layer) on the ultrathin barrier layer.

Abstract: The present invention provides an electronic component manufacturing method including a step of embedding a metal film. An embodiment of the present invention includes a first step of depositing a barrier layer containing titanium nitride on an object to be processed on which a concave part is formed and a second step of filling a low-melting-point metal directly on the barrier layer under a temperature condition allowing the low-melting-point metal to flow, by a PCM sputtering method while forming a magnetic field by a magnet unit including plural magnets which are arranged at grid points of a polygonal grid so as to have different polarities between the neighboring magnets.

Abstract: In an X-ray tube having an X-ray shielding member allowing an electron ray to pass through an electron passing hole toward a target, separately from the cathode-side opening of the electron passing hole, a gas exhaust path allowing communication between the inside and outside of the electron passing hole is provided so that gas molecules generated in the electron passing hole can be easily diffused out of the electron passing hole. The degradation of the cathode caused by accelerated collisions with the cathode, of cations generated by collisions of electrons with gas molecules generated in the electron passing hole by a desorption phenomenon due to electron ray irradiation to the target, is reduced.

Abstract: An offset-reducing output circuit of a source driver adapted to drive a liquid crystal device. The output circuit includes an operational amplifier having a non-inverting input to receive a reference voltage. The output circuit also includes input and output capacitors. One terminal of the input capacitor and one terminal of the output capacitor are connected to a node extending to an inverting input of the operational amplifier in at least a normal output operation mode. The output circuit also includes a switching circuit to short both terminals of the input capacitor and both terminals of the output capacitor in a reset operation so that the reference voltage is applied to the terminals of the input and output capacitors respectively. The switching device applies a gray scale voltage to an opposite terminal of the input capacitor in a normal operation mode.

Abstract: A radiation generating tube includes a vacuum envelope formed by an insulating tube, a cathode and an anode. At least one of the cathode and the anode is bonded to the insulating tube via a conductive bonding material disposed between bonded surfaces facing each other. The conductive bonding material is partially protruding from between the bonded surfaces to an outer peripheral surface or an inner peripheral surface of the insulating tube. A concave portion is formed on the outer peripheral surface or the inner peripheral surface of the insulating tube adjacent to a bonded surface on an insulating tube side, and a distal end of a conductive bonding material protruding from between bonded surfaces is accommodated in the concave portion.

Abstract: Provided is an X-ray generator comprising an X-ray tube including a cylindrical body; an electron source in the body; a target at an end of the X-ray tube facing the electron source, the target generating X-rays by irradiation with electrons; a container in which the X-ray tube is arranged; insulating liquid filled between the X-ray tube and the container; and a holding member holding the body of the X-ray tube in the container, with a channel for the insulating liquid around the X-ray tube. The distance between the holding member and the end face at the end of the body in the direction in which the electron source and the target face is twice or more as large as the minimum width of the channel that is in contact with the outer surface of the X-ray tube at the end face side with respect to the holding member. This allows heat in the target to be quickly radiated, thus allowing X-rays to be generated stably for a long time.

Abstract: The present invention provides a transmission type radiation generating target which can suppress the exfoliation or the crack of a target layer in an interface between a supporting substrate and the target layer, even when the density of incident electrons has been enhanced or the potential of the target has been enhanced. The transmission type radiation generating target includes a supporting substrate, and a target layer which is arranged on the supporting substrate and generates radiation in response to irradiation with an electron beam, wherein the target layer has an opening through which the supporting substrate is exposed, and the opening overlaps with a position at which the density of the irradiation with the electron beam is maximum.

Abstract: In a display panel, a conductive member subjected to a prescribed electric potential lower than an anode potential is disposed on a first insulating substrate at a location spaced apart from an anode terminal subjected to the anode potential. An insulating member is disposed on the conductive member such that the insulating member includes a part located closer to the anode terminal than an end, on a side facing the anode terminal, of the conductive member and such that a gap is provided between the part and the first insulating substrate.

Abstract: The present invention relates to a radiation generating apparatus which includes an envelope provided with a first window through which radiation is transmitted, a radiation tube housed in the envelope and provided with a second window through which the radiation is transmitted, the second window being located at a position opposite the first window, and an insulating fluid adapted to fill between the inner wall of the envelope and the radiation tube. Plural plates are arranged side by side between the first window including its periphery and the second window including its periphery by overlapping one another via gaps. The gaps is formed among the plates, thereby the withstanding voltage between the first window and second window is made larger.