摘要:
A method of manufacturing semiconductor device which comprises the steps of forming an insulating film on an Si substrate provided with a wiring layer, forming a contact hole connected to the wiring layer and a wiring groove in the insulating film, filling the contact hole with an Si film, successively forming an Al film and a Ti film all over the substrate, performing a heat treatment thereby to substitute the Al film for the Ti film, and to allow the Si film to be absorbed by the Ti film, whereby filling the contact hole and wiring groove with the Al film, and removing a Ti/Ti silicide which is consisting of Ti silicide formed through the absorption of the Si film by the Ti film and a superfluous Ti, whereby filling the contact hole with an Al plug and filling the wiring groove with an Al wiring.
摘要:
A plating method and apparatus for a substrate fills a metal, e.g., copper, into a fine interconnection pattern formed in a semiconductor substrate. The apparatus has a substrate holding portion 36 horizontally holding and rotating a substrate with its surface to be plated facing upward. A seal material 90 contacts a peripheral edge portion of the surface, sealing the portion in a watertight manner. A cathode electrode 88 passes an electric current upon contact with the substrate. A cathode portion 38 rotates integrally with the substrate holding portion 36. An electrode arm portion 30 is above the cathode portion 38 and movable horizontally and vertically and has an anode 98 face-down. Plating liquid is poured into a space between the surface to be plated and the anode 98 brought close to the surface to be plated. Thus, plating treatment and treatments incidental thereto can be performed by a single unit.
摘要:
A method of manufacturing a semiconductor device, which comprises the steps of forming an intermediate layer on an insulating layer, forming a groove in the intermediate layer and the insulating layer, forming a first barrier layer on the intermediate layer, depositing a wiring layer on the first barrier layer to thereby fill the groove with the wiring layer, performing a flattening treatment of the wiring layer, removing a surface portion of the wiring to thereby permit the surface of the wiring to be recessed lower than a surface of the insulating layer, thus forming a recessed portion, forming a second barrier layer on the intermediate layer and on an inner wall of the recessed portion, performing a flattening treatment of the second barrier layer, thereby, and selectively removing the intermediate layer, exposing the insulating layer.
摘要:
The present invention is a method of producing a semiconductor device in which at least one alignment mark to be used in an exposure process of a lithographic process is formed of a wiring material which is copper or includes copper as a main component, and the alignment mark is formed entirely in an area outside an area where dicing is to be executed.
摘要:
A semiconductor device is formed by a compound film &agr;&ggr;x made of at least one element &agr; selected from metal elements and at least one element &ggr; selected from the group consisting of boron, carbon, and nitrogen on a base layer containing oxygen (O), and forming a compound film &agr;&ggr;yOz by causing the compound film &agr;&ggr;x to reduce the base layer and thereby oxidizing the compound film &agr;&ggr;x on an interface of the compound film &agr;&ggr;x and the base layer, wherein each of x and y is a ratio of the number of atoms of the element &ggr; to the number of atoms of the element &agr;, and z is a ratio of the number of atoms of the oxygen to the number of atoms of the element &agr;.
摘要:
A method of manufacturing semiconductor device which comprises the steps of forming an insulating film on an Si substrate provided with a wiring layer, forming a contact hole connected to the wiring layer and a wiring groove in the insulating film, filling the contact hole with an Si film, successively forming an Al film and a Ti film all over the substrate, performing a heat treatment thereby to substitute the Al film for the Ti film, and to allow the Si film to be absorbed by the Ti film, whereby filling the contact hole and wiring groove with the Al film, and removing a Ti/Ti silicide which is consisting of Ti silicide formed through the absorption of the Si film by the Ti film and a superfluous Ti, whereby filling the contact hole with an Al plug and filling the wiring groove with an Al wiring.
摘要:
A film formation method for manufacture of a semiconductor device includes the steps of forming a first metal film as a continuous film on a substrate, forming a second metal film as discontinuous films on the substrate formed with the first metal film, and forming a third metal film by plating on the substrate formed with the first and second metal films.
摘要:
A groove or hole is formed in an insulating layer formed on a semiconductor substrate, and a first conductive layer including a first metal element is formed on a surface of the insulating layer. By oxidizing the first conductive layer, an oxide layer of the first metal element is formed on a surface of the first conductive layer. A second conductive layer including a second metal element having a free energy of oxide formation lower than that of the first metal element is deposited thereon. By reducing the oxide layer of the first metal element by the second metal element, an oxide layer of the second metal element is formed at the interface between the first conductive layer and the second conductive layer. Further, an interconnection is buried in the groove or hole of the insulating layer. Thereby, a thin second metal oxide layer having excellent barrier properties against an interconnection material and excellent adhesion to the interconnection material can be selectively formed with a uniform thickness on the surface of the first conductive layer used as a barrier metal layer of the interconnection.
摘要:
A magnetic disk drive having one or more magnetic disks, one or more read/write heads each recording or reproducing information for a corresponding one of the magnetic disks, a servo head reading control information from a predetermined one of the magnetic disks, and an actuator supporting the one or more read/write heads and the servo head includes first leads extending from the one or more read/write heads along one side of the actuator, and second leads extending from the servo head along the other side of the actuator so that the second leads can be distanced in space from the first leads.
摘要:
A reliability evaluation test apparatus of this invention includes a wafer storage section which stores a wafer in a state wherein the electrode pads of a number of devices formed on the wafer and the bumps of a contactor are totally in electrical contact with each other. The wafer storage section transmits/receives a test signal to/from a measurement section and has a hermetic and heat insulating structure. The wafer storage section has a pressure mechanism which presses the contactor and a heating mechanism which directly heats the wafer totally in contact with the contactor to a predetermined high temperature. The reliability of an interconnection film and insulating film formed on the semiconductor wafer are evaluated under an accelerated condition.