摘要:
Phenylcyclopropane carboxylic acid derivatives having the formula (I) ##STR1## wherein X represents a C.sub.2 -C.sub.10 straight or branched alkyl group, are novel compounds having excellent acaricidal effect.
摘要:
This invention relates to a heterocyclic ether or thioether linkage containing urea compounds of the following formula I: ##STR1## wherein B denotes an oxygen atom or a sulfur atom, A denotes CH or a nitrogen atom, X.sup.1 and X.sup.2 denote independently of each other hydrogen atom, halogen atom, trifluoromethyl group or nitro group, Y and Z denote independently of each other hydrogen atom or halogen atom, and P and Q denote independently of each other hydrogen atom, halogen atom, alkoxyl group or alkyl group, a process for producing the same and an insecticide containing the same.
摘要:
Fluorine substituted pyridine methyl esters having the formula ##STR1## wherein R represents ##STR2## in which X is chlorine or difluoromethoxy; Y is chlorine or tert-butyl; and Z is a halogen atom, are novel compounds which are useful as insecticides and acaricides.
摘要:
A reaction probe chip which is prepared by loading a reactive probe on fine pieces of carrier such as particles, tile-like plates and then arraying and immobilizing the reactive probe-loaded carrier on a base material. The carrier fine pieces such as particles, tile-like plates and the like are porous or have a reactive surface, and the base material is preferably a thin inorganic plate or a thin organic plate is disclosed.The inorganic base material is preferably a glass slide or silicon wafer, and the organic base material is preferably a polyester film or polyethylene film. In case the porous carrier pieces are used, the reactivity of the inner surfaces of the porous carrier pores should be maintained during array or immobilization process of the reactive probe-loaded carrier.A composite substrate characterized in that on at least a section of the surface thereof, a plurality of porous regions are orderly arranged as compartments by non-porous regions, or a plurality of non-porous regions are orderly arranged as compartments by porous regions is also disclosed. The porous solid is preferably porous glass or porous ceramic, the porous glass is preferably split-phase porous glass, and the surface is preferably flattened by a process such as polishing.
摘要:
A reaction probe chip which is prepared by loading a reactive probe on fine pieces of carrier such as particles, tile-like plates and then arraying and immobilizing the reactive probe-loaded carrier on a base material. The carrier fine pieces such as particles, tile-like plates and the like are porous or have a reactive surface, and the base material is preferably a thin inorganic plate or a thin organic plate is disclosed. The inorganic base material is preferably a glass slide or silicon wafer, and the organic base material is preferably a polyester film or polyethylene film. In case the porous carrier pieces are used, the reactivity of the inner surfaces of the porous carrier pores should be maintained during array or immobilization process of the reactive probe-loaded carrier. A composite substrate characterized in that on at least a section of the surface thereof, a plurality of porous regions are orderly arranged as compartments by non-porous regions, or a plurality of non-porous regions are orderly arranged as compartments by porous regions is also disclosed. The porous solid is preferably porous glass or porous ceramic, the porous glass is preferably split-phase porous glass, and the surface is preferably flattened by a process such as polishing.
摘要:
A turntable with an abrasive cloth mounted thereon and a top ring positioned above the turntable are independently rotatably provided. The top ring holds a workpiece to be polished and presses the workpiece against the abrasive cloth. The turntable and the top ring are rotated to polish the surface of the workpiece to a flat mirror finish on the abrasive cloth. A rotatable brush pressed against the abrasive cloth is rotated about an axis substantially perpendicularly to the plane of the abrasive cloth, and oscillated substantially radially between radially inner and outer positions over the abrasive cloth. A cleaning solution is sprayed from a nozzle onto the abrasive cloth. The turntable has a bank along an outer circumferential edge thereto for preventing a protective solution, which is supplied to the abrasive cloth to keep the abrasive cloth wet and prevent it, from flowing off the turntable when the turntable is stationary.
摘要:
A polishing apparatus includes a turntable with an abrasive cloth mounted on an upper surface thereof, and a top ring disposed above the turntable for supporting a workpiece to be polished and pressing the workpiece against the abrasive cloth under a predetermined pressure. The turntable and the top ring are movable relatively to each other to polish a surface of the workpiece supported by the top ring with the abrasive cloth. The abrasive cloth has a projecting region on a surface thereof for more intensive contact with the workpiece than other surface of the abrasive cloth. The projecting region has a smaller dimension in a radial direction of the turntable than a diameter of the workpiece when the projecting region is held in contact with the workpiece. A position of the projecting region is determined on the basis of an area in which the projecting region acts on the workpiece.
摘要:
A polishing apparatus is employed to polish an object to be polished by urging the surface of the object to be polished against the surface of a polishing cloth and causing a relative movement therebetween, while supplying a polishing liquid into an area between the object to be polished and the polishing cloth. A plurality of nozzles spray respective fluid jets to strike against the surface of the cloth. The plurality of nozzles include more than one type of nozzle which vary flow velocity, flow rate, angle of spray, and cross-sectional configuration of a jet. The plurality of nozzles have axes positioned at a location at different distances from the rotation axis of the polishing cloth.
摘要:
A drum-type polishing apparatus for producing a flat mirror polish on an object such as a semiconductor wafer, is capable of three degrees of freedom of movement of a drum member with respect to the wafer. The relative movements can be made, successively or simultaneously, at right angles to an axis of the drum, parallel to the surface of the wafer, as well as at any desired angular orientations. Combined with a follower device to provide automatic compensation for unevenness in pressing pressure applied to the wafer during polishing, the polishing apparatus offers outstanding uniformity in polishing quality and high productivity, even for large diameter wafers, with a comparatively modest investment in both facility space and equipment cost.
摘要:
A polishing apparatus is a cluster type of apparatus having a plurality of units which perform various operations. The polishing apparatus includes a universal transfer robot having at least one arm for transferring a workpiece, a plurality of units disposed around the universal transfer robot and including a loading unit for receiving the workpiece to be polished, at least one polishing unit for polishing the workpiece, at least one washing unit for washing the workpiece which has been polished and an unloading unit for receiving the cleaned workpiece. Discrete mechanisms respectively transfer a clean workpiece and a dirty workpiece amongst the units.