摘要:
A prime mover control apparatus for controlling a primer mover including a pump turbine or a water turbine driving a generator to be synchronously connected to a power system, is disclosed. In this control apparatus, immediately after the synchronous connection of the generator to the power system, the opening of the guide vanes of the turbine is increased to exceed a predetermined value at which the turbine is not placed in the motoring mode, and then, the speed governor is controlled to drive the turbine at the speed corresponding to the standard frequency of the voltage in the power system.
摘要:
Disclosed is a surface mount device to be mounted on a base member, including plural lead units, each of the plural lead units including, a lead including a body portion and a foot formed at an end of the lead; a solder portion formed at the foot of the lead to protrude toward the direction of the base member to have a summit portion, and a diffusion prevention portion provided on the lead for preventing a diffusion of a solder along the body portion of the lead.
摘要:
A liquid immersion exposure apparatus and method exposes a substrate. The apparatus includes a projection optical system having an optical element via which exposure light is projected through liquid and a member having a channel in which the liquid flows. The member has an opening through which the exposure light passes. A gap is formed between a first surface of the member and a second surface of at least one of the optical element and a holding component which holds the optical element, and at least a portion of one or both of the first surface and the second surface is liquid repellent.
摘要:
An optical module configured to perform conversion between an optical signal and an electrical signal includes a board having a flat-plate shape; a light-receiving part and a light-emitting part attached on a surface of the board, the light-receiving part being configured to receive a first optical signal input from an optical cable and the light-emitting part being configured to output a second optical signal based on an input electrical signal; and an optical deflection member configured to deflect the first optical signal substantially 90 degrees and output the first optical signal to the light-receiving part and to deflect the second optical signal input from the light-emitting part substantially 90 degrees and output the second optical signal to the optical cable, the optical deflection member including multiple optical waveguides arranged in a first array and a second array.
摘要:
A disclosed connector includes a signal contact whose first end portion is to be connected to a connection terminal of another connector, wherein the signal contact is formed of an electrically conductive material; an insulating part including a groove part in which a second end portion of the signal contact is placed; a floating lead that is placed in the groove part and movable in a longitudinal direction of the groove part, wherein first end portion of the floating lead is to be in contact with the second end portion of the signal contact placed in the groove part; and a solder member adapted to electrically connect the first portion of the floating lead and the second end portion of the signal contact.
摘要:
An electronic connector includes a plurality of pairs of terminal parts for transmitting an electric signal; and grounding parts shaped like plates and connected to have a ground potential, wherein the grounding parts have protrusions protruding on a side of the pairs of terminal parts, and the protrusions are respectively interposed between the pairs of terminal parts which are adjacent to each other.
摘要:
A jack side connector configured to be connected to a plug side connector, the plug side connector including a plug side signal contact and a plug side ground contact extending from a holding part, the jack side connector includes a jack side signal contact and a jack side ground contact configured to come in contact with the plug side signal contact and the plug side ground contact, respectively, so that electric conduction between the plug side connector and the jack side connector is made when the plug side connector is connected to the jack side connector, wherein the jack side ground contact includes a first contact part and a second contact part, and when the plug side connector is connected to the jack side connector, the electric conduction between the plug side connector and the jack side connector is made by the first contact part and the second contact part.
摘要:
A liquid recovery system is used by an immersion exposure apparatus. The liquid recovery system comprises: a plate that has a first surface and a second surface on the side opposite the first surface; and a liquid recovery part, at least part of which opposes the second surface with a first gap interposed therebetween. The liquid recovery system recovers the liquid on a movable object that opposes the first surface of the plate via the liquid recovery part.
摘要:
A jack connector includes pairs of jack signal contacts and jack ground contacts arranged alternately, and a plug connector includes pairs of plug signal contacts and plug ground contacts arranged alternately. Respective contacts of each pair of jack signal contacts come into contact with respective contacts of each pair of plug signal contacts, and each jack ground contact comes into contact with each plug ground contact. In a first contact structure, each jack ground contact comes into contact with each plug ground contact at a first position, and in a second contact structure each jack ground contact comes into contact with each plug ground contact at a second position apart from the first position along an extending direction of the plug ground contact.
摘要:
A connector component formed of an insulating material includes a contact member to which a plug side contact member is fitted to establish electrical conduction between the contact member and the plug side contact member. The connector component includes a plurality of openings which are formed in the connector component to penetrate the connector component, a plurality of contacts of the plug side contact member being inserted in the plurality of openings, each opening having an I-shaped cross section.