摘要:
A spark plug including a center electrode; an insulator; and a metal shell, the metal shell including: a tool engaging section; a body section; and a groove section formed between the tool engaging section and the body section, and having bulges which bulge in an outer peripheral direction and in an inner peripheral direction. When a portion of the groove section having a largest outer diameter is a first section, a thinnest portion from the first section to the body section is a second section, and a portion having a thickness that is the same as that of the first section is a third section, a relation between a thickness A of the second section and a radius of curvature R of an outer surface of the metal shell that continues from the second section to the third section satisfies R×A≧0.20 mm2.
摘要:
A medical apparatus having a medical device that is utilized to perform a predetermined medical action, includes an energy supply source including an attachment/detachment portion to/from which the medical device is attached/detached, and supplies energy when the medical device is utilized to perform the predetermined medical action, an energy output adjustment unit which adjusts the energy supplied from the energy supply source to medical action energy suitable for performing the predetermined medical action by using the medical device when the medical device is connected to the attachment/detachment portion, and an energy supply detecting mechanism for detecting a state that the energy supply source has supplied the medical action energy. When the determination mechanism detects a state that the energy supply source has supplied the medical action energy, the energy output from the energy supply source is prevented from being supplied to the medical device.
摘要:
Cost is reduced and reliability is improved with a CSP type semiconductor device. A glass substrate which works as a supporting plate is bonded through an adhesive to a first surface of a semiconductor wafer on which first wirings are formed. Thickness of the semiconductor wafer is reduced by back-grinding the semiconductor wafer on a second surface of the semiconductor wafer which is opposite to the first surface of the semiconductor wafer. The semiconductor wafer is wet-etched to remove bumps and dips on the second surface of the semiconductor wafer caused during the back-grinding. Then the second surface of the semiconductor wafer is etched to form a tapered groove. The semiconductor wafer is wet-etched to reduce bumps and dips caused by the etching and round a corner of the groove. The wet-etching improves coverage of insulation film, wiring and protection film and enhances yield and reliability of the semiconductor device.
摘要:
An endoscope includes, an insertion section, a distal end section body which constitutes a distal end section of the insertion section and has at least an observation window, a liquid feed path which is formed to supply a liquid to the distal end section body side and communicates with a liquid feed source, a gas feed path which is formed to supply a gas to the distal end section body side and communicates with a gas feed source, and a nozzle having a jet outlet which jets a gas/liquid mixture fluid, in which the liquid supplied from the liquid feed path and the gas supplied from the gas feed path are mixed, toward the observation window, wherein an opening end of the liquid feed path and an opening end of the gas feed path are disposed in an order of proximity to the jet outlet.
摘要:
A lens driving device comprises a lens holder for holding a lens, a shaft for supporting the lens holder so as to make the lens holder movable in an optical axis direction of the lens and swingable about an axis of the shaft, an actuator for applying a driving force to the lens holder so as to move the lens holder in the optical axis direction; and an urging member for applying an urging force to the lens holder so as to rotate the lens holder toward the actuator. In the lens holder, a position where the urging force is applied by the urging member and a position where the driving force is applied by the actuator oppose each other, so that the urging force from the urging member is directed to the actuator.
摘要:
An image capturing device 100 includes three blocks, that is, a lens block 1 having an imaging lens 4, a display block 2, and a frame block 3. The display block 2 has a display unit 5 which performs display using a liquid crystal, a transparent touch screen 63 with which the display unit 5 is covered, a shutter button 61 which is disposed adjacent to the display unit 5, and a power button 62. The frame block 3 has a generally U-shaped frame form and surrounds the circumferences of the lens block 1 and the display block 2. Each of the display block 2 and the frame block 3 is coupled to the lens block 1 rotatably via a biaxial hinge unit. Especially, the display block 2 and the frame block 3 are coupled to the lens block 1 rotatably via a first hinge and second hinges.
摘要:
A method for manufacturing a spark plug which includes: (a) preparing a metal shell; (b) preparing an insulator; (c) inserting the insulator in an insertion hole of the metal shell; (d) forming an intended crimping portion of the metal shell into a crimping portion; and (e) pressing a lower side portion of the metal shell closer to a position lower than the intended compressive deformation portion, and pressing the crimping portion of the metal shell in an axial direction to compressively deform the intended compressive deformation portion of the metal shell and thus seal a space between a stepped portion of the metal shell and a stepped portion of the insulator, wherein step (e) controls a pressing amount of a press in a constant value from the start of compressive deformation to the end thereof.
摘要:
There are provided a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide; and an electric wire using a polybutylene naphthalate-based resin composition, with an insulated coating layer formed on a conductor, by using a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide as an insulating material.
摘要:
An endoscope includes, an insertion section, a distal end section body which constitutes a distal end section of the insertion section and has at least an observation window, a liquid feed path which is formed to supply a liquid to the distal end section body side and communicates with a liquid feed source, a gas feed path which is formed to supply a gas to the distal end section body side and communicates with a gas feed source, and a nozzle having a jet outlet which jets a gas/liquid mixture fluid, in which the liquid supplied from the liquid feed path and the gas supplied from the gas feed path are mixed, toward the observation window, wherein an opening end of the liquid feed path and an opening end of the gas feed path are disposed in an order of proximity to the jet outlet.
摘要:
The invention provides a mesa semiconductor device and a method of manufacturing the same which enhance the yield and productivity. An N− type semiconductor layer is formed on a front surface of a semiconductor substrate, and a P type semiconductor layer is formed thereon. An anode electrode is further formed on the P type semiconductor layer so as to be connected to the P type semiconductor layer, and a mesa groove is formed from the front surface of the P type semiconductor layer deeper than the N− type semiconductor layer so as to surround the anode electrode. Then, a second insulation film is formed from inside the mesa groove onto the P type semiconductor layer on the outside of the mesa groove. The second insulation film is made of an organic insulator such as polyimide type resin or the like. The lamination body made of the semiconductor substrate and the layers laminated thereon is then diced along a scribe line.