摘要:
A process for chemical mechanical polishing of a working film on a wafer, which entails conducting the chemical mechanical polishing with an aqueous dispersion containing water and composite particles, the composite particles containing polymer particles having at least one of a silicon compound portion or section and a metal compound portion or section formed directly or indirectly on the polymer particles.
摘要:
It is an object of the present invention to provide an aqueous dispersion and CMP slurry that can achieve polishing at an adequate rate without producing scratches in the polishing surfaces of wafer working films, and a polishing process for wafer surfaces and a process for manufacture of a semiconductor device using them. A CMP slurry and the like of the present invention contains polymer particles with a crosslinked structure and a mean particle size of 0.13-0.8 &mgr;m. The CMP slurry may contain no surfactant, and may contain the surfactant of not greater than 0.15 wt %. A CMP slurry and the like of another present invention contains polymer particles and inorganic particles of silica, aluminum and the like. A mean particle size of the polymer particles may be not greater than a mean particle size of the inorganic particles. And the mean particle size of the inorganic coagulated particles may be 0.1-1.0 &mgr;m, and may be smaller than the mean particle size of the polymer particles. The CMP slurry is used as a polishing agent and a working film of a silicon oxide film, an aluminum film, a tungsten film or a copper film formed on a wafer is polished. And a semiconductor device is manufactured by using the CMP slurry.
摘要:
The object of the present invention is to provide an aqueous dispersion that can give the required properties for a wide range of uses including electronic materials, magnetic materials, optical materials and polishing materials, and to provide an aqueous dispersion for chemical mechanical polishing (CMP slurry) that gives an adequate polishing rate without creating scratches in polishing surfaces. Another object of the present invention is, to provide a method for manufacture of semiconductor devices using a CMP slurry that can control progressive erosion due to scratches and the like during polishing and that can achieve efficient flattening of working films, and to provide a method for formation of embedded wiring. The aqueous dispersion or CMP slurry of the present invention contains polymer particles made of thermoplastic resins or the like, and inorganic particles made of alumina, silica or the like, wherein the zeta potentials of the polymer particles and inorganic particles are of opposite signs, and they are bonded by electrostatic force to form aggregates as composite particles. The aggregates are subjected to ultrasonic wave irradiation or shear stress with a homogenizer to give more uniformly dispersed composite particles.
摘要:
Water-laden solid matter is provided which is obtained by adding 40 to 300 weight parts of water to 100 weight parts of inorganic oxide particles synthesized by fumed process or metal evaporation oxidation process, slurry for polishing is provided which is manufactured by using the water-laden solid matter, and a method for manufacturing a semiconductor device using the above slurry. Said water-laden solid matter is within a range of 0.3 to 3 g/cm3 in bulk density and within a range of 0.5 to 100 mm&phgr; in average particle size when manufactured granular. Said slurry for polishing is manufactured from the water-laden solid matter, and the average particle size thereof after being dispersed in water is within a range of 0.05 to 1.0 &mgr;m.
摘要翻译:提供含水固体物质,其通过向通过热解法或金属蒸发氧化法合成的100重量份的无机氧化物颗粒中加入40至300重量份的水而获得,提供了通过使用水 - 负载固体物质,以及使用上述浆料制造半导体器件的方法。 所述含水固体物质的体积密度为0.3〜3g / cm 3,制粒时的平均粒径为0.5〜100mmφ的范围。 用于抛光的所述浆料由含水固体物质制成,其在分散在水中的平均粒径在0.05-1.0μm的范围内。
摘要:
A polishing apparatus and method has a function of polishing a surface of a film formed on a substrate to a flat mirror finish and a function of polishing unnecessary metal film such as copper film deposited on an outer peripheral portion of the substrate to remove such unnecessary metal film. The polishing apparatus comprises a surface polishing mechanism comprising a polishing table having a polishing surface and a top ring for holding the substrate and pressing the substrate against the polishing surface of the polishing table to thereby polish a surface of the substrate, and an outer periphery polishing mechanism for polishing an outer peripheral portion of the substrate.
摘要:
A polishing apparatus is provided which improves uniformity across the surface of a polished wafer. The apparatus includes a wafer carrier, a guide ring coupled to a lower portion of the wafer carrier, a circular plate coupled to a first inner circumference portion of the guide ring distant from the wafer carrier, and a cavity, formed within an area bounded by the lower portion of the wafer carrier, an inner circumference of the circular plate, and a second inner circumference portion of the guide ring between the circular plate and the lower portion of the wafer carrier, the circular plate holding the wafer to be polished in the cavity.
摘要:
The invention is directed to a semi-conductor wafer processing machine including an arm having a wafer carrier disposed at one end. The wafer carrier is rotatable with the rotating motion imparted to a semi-conductor wafer held thereon. In first embodiment, the machine further includes a rotatable polishing pad having an upper surface divided into a plurality of wedge-shaped sections, including an abrasion section and a polishing section. The abrasion section has a relatively rough texture and the polishing section has a relatively fine texture as compared to each other. In an alternative embodiment, the pad includes an underlayer and surface layer. The surface layer includes two sections of differing hardness, both of which are harder than the underlayer. Alternatively, the surface layer may include one relatively hard section, and the underlayer may include two sections, one of which has the same hardness as the surface layer and the other of which is softer than the surface layer. In a further embodiment, the polishing pad has an annular shape, and a chemical processing table is disposed within the open central region of the pad.
摘要:
A polishing apparatus and method has a function of polishing a surface of a film formed on a substrate to a flat mirror finish and a function of polishing unnecessary metal film such as copper film deposited on an outer peripheral portion of the substrate to remove such unnecessary metal film. The polishing apparatus comprises a surface polishing mechanism comprising a polishing table having a polishing surface and a top ring for holding the substrate and pressing the substrate against the polishing surface of the polishing table to thereby polish a surface of the substrate, and an outer periphery polishing mechanism for polishing an outer peripheral portion of the substrate.
摘要:
A to-be-polished surface of a semiconductor workpiece is polished to a target shape, using a CMP tool. The to-be-polished surface is a surface of a metal provided on an insulating film having trenches. A shape of a polished surface of the semiconductor workpiece is monitored to determine if a metal residue exists outside of the trenches on the polished surface while the semiconductor workpiece is set in the CMP tool, using a monitor. The monitor has a sensor that obtains a two-dimensional image of the to-be-polished surface. The CMP tool is controlled by feedback based on a result of monitoring to determine if the metal residue exists, using a controller.
摘要:
An equipment for manufacturing semiconductor devices, comprises a processing tool which processes a to-be-processed surface of a semiconductor workpiece to a target shape, a monitor which three-dimensionally monitors a shape of a processed surface of the semiconductor workpiece while the semiconductor workpiece is set in the processing tool, and a controller which controls the processing tool in a feedback manner on the basis of the shape of the processed surface monitored by the monitor. If the shape of the processed surface deviates from the target shape, the controller adjusts process conditions of the processing tool so that the target shape can be obtained.