摘要:
A scroll type compressor has a fixed scroll member, a movable scroll member, an oil reservoir, a back-pressure chamber, an oil extraction passage, a flow passage, and a partition wall. The back-pressure chamber disposed behind the movable scroll member is in communication with a discharge chamber. The oil extraction passage having a regulating valve or a throttle connects the back-pressure chamber to the oil reservoir. The oil return passage and the flow passage connect the oil reservoir to a suction chamber, respectively. The flow passage introduces excess lubricating oil into the suction chamber when the level of lubricating oil in the oil reservoir becomes higher than a predetermined level. The partition wall disposed between the openings of the oil extraction passage for restricting lubricating oil from the oil extraction passage other than the excess lubricating oil collected in the oil reservoir from flowing to the flow passage.
摘要:
A multilayered wiring substrate, comprising: a plurality of first main surface side connecting terminals arranged in a first main surface of a stack structure; and a plurality of second main surface side connecting terminals being arranged in a second main surface of the stack structure; wherein a plurality of conductor layers are alternately formed in a plurality of stacked resin insulation layers and are operably connected to each other through via conductors tapered such that diameters thereof are widened toward the first or the second main surface, wherein a plurality of openings are formed in an exposed outermost resin insulation layer in the second main surface, and terminal outer surfaces of the second main surface side connecting terminals arranged to match with the plurality of the openings are positioned inwardly from an outer main surface of the exposed outermost resin insulation layer, and edges of terminal inner surfaces are rounded.
摘要:
In a build-up step, a plurality of resin insulation layers and a plurality of conductive layers are alternately laminated in multilayer arrangement on a metal foil separably laminated on a side of a base material, thereby forming a wiring laminate portion. In a drilling step, a plurality of openings are formed in an outermost resin insulation layer through laser drilling so as to expose connection terminals. Subsequently, in a desmear step, smears from inside the openings are removed. In a base-material removing step performed after the build-up step, the base material is removed and the metal foil is exposed.
摘要:
In a wiring laminate portion of a multilayer wiring substrate, a solder resist layer having a plurality of openings is disposed on a main surface side of the laminate structure, and connection terminals are embedded in an outermost resin insulation layer in contact with the solder resist layer. Each of the connection terminals comprises a copper layer and a metallic layer formed of at least one type of metal other than copper. A main-surface-side circumferential portion of the copper layer is covered by the solder resist layer. At least a portion of the metallic layer is located in a recess in a main-surface-side central portion of the copper layer. At least a portion of the metallic layer is exposed via a corresponding opening.
摘要:
A droplet discharge device includes: a discharge unit discharging a droplet and being moved relatively to a discharged object, on which the droplet is discharged, so as to form a predetermined pattern on the discharged object; a discharge amount measurement unit measuring a discharge amount of the droplet discharged from the discharge unit; a temperature acquisition unit acquiring a temperature of the droplet in the formation of the predetermined pattern; a temperature adjustment unit adjusting the temperature of the discharge unit; and a discharge amount adjustment unit adjusting the discharge amount of the discharge unit. In the device, the temperature adjustment unit adjusts a temperature of the droplet in the measurement of the discharge amount by the discharge amount measurement unit to the temperature in the formation of the predetermined pattern.
摘要:
An optical pickup has a first optical system and a second optical system. The optical axis of the first optical system and the optical axis of the second optical system are inclined, for example, 45 degrees with respect to the reference plane, and are parallel to each other. A first objective lens and a second objective lens are arranged substantially side-by-side in a radial direction, and the center position of the second objective lens is slightly displaced from the reference plane in a tangential direction. The first optical system and the second optical system each have a flat-shaped beam splitter; this is used to produce astigmatism for acquiring a focus error signal by the astigmatic method.
摘要:
A droplet discharge device includes: a discharge unit discharging a droplet and being moved relatively to a discharged object, on which the droplet is discharged, so as to form a predetermined pattern on the discharged object; a discharge amount measurement unit measuring a discharge amount of the droplet discharged from the discharge unit; a temperature acquisition unit acquiring a temperature of the discharge unit in the formation of the predetermined pattern; a temperature adjustment unit adjusting the temperature of the discharge unit; and a discharge amount adjustment unit adjusting the discharge amount of the discharge unit. In the device, the temperature adjustment unit adjusts a temperature of the discharge unit in the measurement of the discharge amount by the discharge amount measurement unit to the temperature in the formation of the predetermined pattern.
摘要:
An electric tool including: a motor configured to drive a front end tool; a control device configure to control rotation of the motor; a storage part configured to store a method of driving the motor by the control device; and a communication terminal to which a communication line for reading or writing information of the storage part is configured to be connected.
摘要:
A multilayer wiring substrate has a multilayer wiring laminate portion in which a plurality of resin insulation layers made primarily of the same resin insulation material, and a plurality of conductive layers are laminated alternately. A plurality of first-main-surface-side connection terminals are disposed on one side of the laminate structure where a first main surface thereof is present, and a plurality of second-main-surface-side connection terminals being disposed on an other side of the laminate structure where a second main surface thereof is present. The plurality of conductive layers are formed in the plurality of resin insulation layers and interconnected by means of via conductors whose diameters increase toward the first main surface or the second main surface. The plurality of first-main-surface-side connection terminals comprising at least two types of terminals for connection of different articles-to-be-connected. Top surfaces of the plurality of first-main-surface-side connection terminals differ in height according to types of the articles-to-be-connected.
摘要:
A method is for controlling a droplet discharge device including at least a droplet discharge head having a plurality of nozzles for discharging droplets of a functional liquid, a plurality of drive elements provided corresponding to each of the nozzles, and a vibrating plate which is vibrated by the drive elements to discharge the functional liquid from the nozzles; and a flushing unit in which the vibrating plate undergoes microvibration when the droplet discharge head is in a standby period. The method for controlling a droplet discharge device includes selecting one of a plurality of predetermined microvibration control programs for causing the vibrating plate to undergo microvibration in accordance with information relating to the functional liquid, and controlling the drive elements to cause the vibrating plate to undergo microvibration when the droplet discharge head is in the standby period in accordance with the selected microvibration control program.