摘要:
A metal interconnect and an IC chip including the metal interconnect are disclosed. One embodiment of the method may include providing an integrated circuit (IC) chip up to and including a middle of line (MOL) layer, the MOL layer including a contact positioned within a first dielectric; recessing the first dielectric such that the contact extends beyond an upper surface of the first dielectric; forming a second dielectric over the first dielectric such that the second dielectric surrounds at least a portion of the contact, the second dielectric having a lower dielectric constant than the first dielectric; forming a planarizing layer over the second dielectric; forming an opening through the planarizing layer and into the second dielectric to the contact; and forming a metal in the opening to form the metal interconnect.
摘要:
Methods of forming a metal interconnect and an IC chip including the metal interconnect are disclosed. One embodiment of the method may include providing an integrated circuit (IC) chip up to and including a middle of line (MOL) layer, the MOL layer including a contact positioned within a first dielectric; recessing the first dielectric such that the contact extends beyond an upper surface of the first dielectric; forming a second dielectric over the first dielectric such that the second dielectric surrounds at least a portion of the contact, the second dielectric having a lower dielectric constant than the first dielectric; forming a planarizing layer over the second dielectric; forming an opening through the planarizing layer and into the second dielectric to the contact; and forming a metal in the opening to form the metal interconnect.
摘要:
Methods of developing or removing a select region of block copolymer films using a polar supercritical solvent to dissolve a select portion are disclosed. In one embodiment, the polar supercritical solvent includes chlorodifluoromethane, which may be exposed to the block copolymer film using supercritical carbon dioxide (CO2) as a carrier or chlorodiflouromethane itself in supercritical form. The invention also includes a method of forming a nano-structure including exposing a polymeric film to a polar supercritical solvent to develop at least a portion of the polymeric film. The invention also includes a method of removing a poly(methyl methacrylate-b-styrene) (PMMA-b-S) based resist using a polar supercritical solvent.
摘要:
A method of forming airgaps is provided where a blocking mask is applied to a substrate to shield a portion of the substrate from a beam of energy. After irradiation, the blocking mask is removed and a capping material is applied to the substrate. Alternatively, the capping material may be applied before irradiation. The capping material is perforated to allow an etchant to pass therethrough to the substrate below the capping material. The exposed portions of the substrate are removed from underneath the capping material by etching. The capping material is then sealed leaving sealed airgaps within the substrate.
摘要:
A method of forming airgaps is provided where a blocking mask is applied to a substrate to shield a portion of the substrate from a beam of energy. After irradiation, the blocking mask is removed and a capping material is applied to the substrate. Alternatively, the capping material may be applied before irradiation. The capping material is perforated to allow an etchant to pass therethrough to the substrate below the capping material. The exposed portions of the substrate are removed from underneath the capping material by etching. The capping material is then sealed leaving sealed airgaps within the substrate.
摘要:
A method of preventing surface decomposition of a III-V compound semiconductor is provided. The method includes forming a silicon film having a thickness from 10 Å to 400 Å on a surface of an III-V compound semiconductor. After forming the silicon film onto the surface of the III-V compound semiconductor, a high performance semiconductor device including, for example, a MOSFET, can be formed on the capped/passivated III-V compound semiconductor. During the MOSFET fabrication, a high k dielectric can be formed on the capped/passivated III-V compound semiconductor and thereafter, activated source and drain regions can be formed into the III-V compound semiconductor.
摘要:
A method of preventing surface decomposition of a III-V compound semiconductor is provided. The method includes forming a silicon film having a thickness from 10 Å to 400 Å on a surface of an III-V compound semiconductor. After forming the silicon film onto the surface of the III-V compound semiconductor, a high performance semiconductor device including, for example, a MOSFET, can be formed on the capped/passivated III-V compound semiconductor. During the MOSFET fabrication, a high k dielectric can be formed on the capped/passivated III-V compound semiconductor and thereafter, activated source and drain regions can be formed into the III-V compound semiconductor.
摘要:
A method for forming a planarized dielectric layer upon a semiconductor wafer is disclosed. In an exemplary embodiment of the invention, the method includes applying an adhesion promoter to the wafer, thereby forming an adhesion promoter layer. A dielectric material is applied in a spin-on fashion upon the adhesion promoter layer at a relative humidity of less than 40% and for a thickness setting duration of less than 30 seconds. Then, the dielectric material is dried by baking without additional spinning of the semiconductor wafer.
摘要:
Each of a first substrate and a second substrate includes a surface having a diffusion resistant dielectric material such as silicon nitride. Recessed regions are formed in the diffusion resistant dielectric material and filled with a bondable dielectric material. The patterns of the metal pads and bondable dielectric material portions in the first and second substrates can have a mirror symmetry. The first and second substrates are brought into physical contact and bonded employing contacts between metal pads and contacts between the bondable dielectric material portions. Through-substrate-via (TSV) structures are formed through bonded dielectric material portions. The interface between each pair of bonded dielectric material portions located around a TSV structure is encapsulated by two diffusion resistant dielectric material layers so that diffusion of metal at a bonding interface is contained within each pair of bonded dielectric material portions.
摘要:
A method of preventing surface decomposition of a III-V compound semiconductor is provided. The method includes forming a silicon film having a thickness from 10 Å to 400 Å on a surface of an III-V compound semiconductor. After forming the silicon film onto the surface of the III-V compound semiconductor, a high performance semiconductor device including, for example, a MOSFET, can be formed on the capped/passivated III-V compound semiconductor. During the MOSFET fabrication, a high k dielectric can be formed on the capped/passivated III-V compound semiconductor and thereafter, activated source and drain regions can be formed into the III-V compound semiconductor.