Patent application number | Description | Published |
20100283152 | INTEGRATED CIRCUITS INCLUDING ILD STRUCTURE, SYSTEMS, AND FABRICATION METHODS THEREOF - An integrated circuit includes a gate of a transistor disposed over a substrate. A connecting line is disposed over the substrate. The connecting line is coupled with an active area of the transistor. A level difference between a top surface of the connecting line and a top surface of the gate is about 400 Å or less. A via structure is coupled with the gate and the connecting line. A metallic line structure is coupled with the via structure. | 11-11-2010 |
20110006429 | BARRIER LAYERS FOR COPPER INTERCONNECT - A copper interconnect includes a copper layer formed in a dielectric layer, having a first portion and a second portion. A first barrier layer is formed between the first portion of the copper layer and the dielectric layer. A second barrier layer is formed at the boundary between the second portion of the copper layer and the dielectric layer. The first barrier layer is a dielectric layer, and the second barrier layer is a metal oxide layer. | 01-13-2011 |
20110198757 | SEMICONDUCTOR STRUCTURE HAVING AN AIR-GAP REGION AND A METHOD OF MANUFACTURING THE SAME - A semiconductor structure includes a first metal-containing layer, a dielectric capping layer, a second metal-containing layer, and a conductive pad. The first metal-containing layer includes a set of metal structures, a dielectric filler disposed to occupy a portion of the first metal-containing layer, and an air-gap region defined by at least the set of metal structures and the dielectric filler and abutting at least a portion of the set of metal structures. The second metal-containing layer includes at least a via plug electrically connected to a portion of the set of metal structures. The conductive pad and the via plug do not overlap the air-gap region. | 08-18-2011 |
20110291281 | PARTIAL AIR GAP FORMATION FOR PROVIDING INTERCONNECT ISOLATION IN INTEGRATED CIRCUITS - Partial air gap formation for providing interconnect isolation in integrated circuits is described. One embodiment is an integrated circuit (“IC”) structure includes a substrate having two adjacent interconnect features formed thereon; caps formed over and aligned with each of the interconnect features; sidewalls formed on opposing sides of each of the interconnect features and a gap formed between the interconnect features; and a dielectric material layer disposed over the substrate to cover the caps and the gap. | 12-01-2011 |
20130252144 | SEMICONDUCTOR STRUCTURE HAVING AN AIR-GAP REGION AND A METHOD OF MANUFACTURING THE SAME - A method of manufacturing a semiconductor structure, the method includes removing a portion of a dielectric filler from a first metal-containing layer formed over a semiconductor substrate to define an air-gap region according to a predetermined air-gap pattern. The method further includes filling the air-gap region with a decomposable filler and forming a dielectric capping layer over the first metal-containing layer. The method further includes decomposing the decomposable filler. | 09-26-2013 |
20130256902 | INTERCONNECT STRUCTURE HAVING SMALLER TRANSITION LAYER VIA - An interconnect structure including a bottom layer over a substrate, where the bottom layer includes at least one bottom layer line and at least one bottom layer via. The interconnect structure further includes a transition layer over the bottom layer, where the transition layer includes at least one transition layer line and at least one transition layer via. The interconnect structure further includes a top layer over the transition layer, where the top layer includes at least one top layer line and at least one top layer via. The at least one transition layer via has a cross sectional area at least 30% less than a cross sectional area of the at least one top layer via. | 10-03-2013 |
20130295769 | METHODS OF PATTERNING SMALL VIA PITCH DIMENSIONS - Integrated circuit methods are described. The methods include providing a photomask that includes two main features for two via openings and further includes an optical proximity correction (OPC) feature linking the two main features; forming a hard mask layer on a substrate, the hard mask layer including two trench openings; forming a patterned resist layer over the hard mask layer using the photomask, wherein the patterned resist layer includes a peanut-shaped opening with two end portion aligned with the two trench openings of the hard mask layer, respectively; and performing a first etch process to the substrate using the hard mask layer and the patterned resist layer as a combined etch mask. | 11-07-2013 |
20140127898 | METHOD OF MAKING A SEMICONDUCTOR DEVICE INCLUDING BARRIER LAYERS FOR COPPER INTERCONNECT - A method of making a semiconductor device includes forming a dielectric layer over a semiconductor substrate. The method further includes forming a copper-containing layer in the dielectric layer, wherein the copper-containing layer has a first portion and a second portion. The method further includes forming a first barrier layer between the first portion of the copper-containing layer and the dielectric layer. The method further includes forming a second barrier layer at a boundary between the second portion of the copper-containing layer and the dielectric layer wherein the second barrier layer is adjacent to an exposed portion of the dielectric layer. The first barrier layer is a dielectric layer, and the second barrier layer is a metal oxide layer, and a boundary between a sidewall of the copper-containing layer and the first barrier layer is free of the second barrier layer. | 05-08-2014 |
20140220769 | INTEGRATED CIRCUITS INCLUDING ILD STRUCTURE, SYSTEMS, AND FABRICATION METHODS THEREOF - A method of forming an integrated circuit comprises forming a gate of a transistor over a substrate. The method further comprises forming a connecting line over the substrate, the connecting line being coupled with an active area of the transistor. The method also comprises forming a dielectric layer surrounding the gate and the connecting line. The method additionally comprises forming an etch stop layer over the dielectric layer and covering a portion of a top surface of the connecting line. The method further comprises forming a via structure comprising a via in physical contact with a top surface of the gate and another portion of the top surface of the connecting line. The method also comprises forming a metallic line structure being coupled with the via structure. | 08-07-2014 |
20140242794 | Methods of Patterning Small Via Pitch Dimensions - Integrated circuit methods are described. The methods include providing a photomask that includes two main features for two via openings and further includes an optical proximity correction (OPC) feature linking the two main features; forming a hard mask layer on a substrate, the hard mask layer including two trench openings; forming a patterned resist layer over the hard mask layer using the photomask, wherein the patterned resist layer includes a peanut-shaped opening with two end portion aligned with the two trench openings of the hard mask layer, respectively; and performing a first etch process to the substrate using the hard mask layer and the patterned resist layer as a combined etch mask. | 08-28-2014 |