摘要:
A photomask for use in a lithographic process and a method of making a photomask are disclosed. A mask blank including a substrate, a sacrificial conductive layer disposed over the substrate and a radiation shielding layer disposed over the sacrificial conductive layer can be provided. Structures are then formed from the radiation shielding layer to define a pattern. Measurement of parameters associated with the structures are made with a measurement tool and, during the measuring, the sacrificial conductive layer provides a conductive plane to dissipate charge transferred to the mask by the measurement tool.
摘要:
A microdevice for forming a part of an integrated circuit and method for fabricating are disclosed. The microdevice can include a first conductive region and a second conductive region having a channel region interposed therebetween. The mircodevice has a channel region controlling component disposed over the channel region and separated therefrom by at least one dielectric layer. The channel region controlling component has a non-linear structural characteristic derived from a non-linear structural characteristic of a photo resist feature used as an etch mask for the channel region controlling component.
摘要:
Methods of fabricating an integrated circuit on a wafer using dual mask exposure lithography is disclosed. Improved mask image alignment between a first mask image and a second mask image of a dual mask exposure technique can be achieved by aligning the second mask image to a latent image created by an exposure using the first mask image.
摘要:
A method of correcting a lithographic mask is disclosed. The method can include detecting a location of the mask that corresponds to a wafer location having a structure that is printed with a larger than desired dimension and reducing a thickness of at least a portion of a mask feature corresponding to the wafer structure to locally increase transmissivity of the mask feature.
摘要:
A method includes specifying a plurality of optical proximity correction metrology sites on a wafer. Metrology data is collected from at least a subset of the metrology sites. Data values are predicted for the subset of the metrology sites using an optical proximity correction design model. The collected metrology data is compared to the predicted data values to generate an optical proximity correction metric. A problem condition associated with the optical proximity correction design model is identified based on the optical proximity correction metric.
摘要:
A system that facilitates extraction of line edge roughness measurements that are independent of proprietorship of a metrology device comprises a structure patterned onto silicon with known line edge roughness values associated therewith. A metrology device obtains line edge roughness measurements from the structure, and a correcting component generates an inverse function based upon a comparison between the known line edge roughness values and the measured line edge roughness values. The metrology device can thereafter measure line edge roughness upon a second structure patterned on the silicon, and the inverse function can be applied to such measured line edge roughness values to enable obtainment of line edge roughness measurements that are independent of proprietorship of the metrology device.
摘要:
The present invention is directed towards a system and/or methodology that facilitates controlling routing of blocks on a floor plan in an integrated circuit. A pattern collector receives a partially created routing pattern, and a comparing component makes a comparison between the at least partially created routing pattern with one or more patterns in a library of patterns. Routing is controlled based at least in part upon the comparison.
摘要:
A method includes generating a layout for an integrated circuit device in accordance with a plurality of layout design rules. A plurality of metrology sites on the layout associated with at least one subset of the layout design rules is identified. A metrology tag associated with each of the metrology sites is generated. At least one metrology recipe for determining a characteristic of the integrated circuit device is generated based on the metrology tags. Metrology data is collected using the at least one metrology recipe. A selected layout design rule in the at least one subset is modified based on the metrology data.
摘要:
A system and method are provided to facilitate dual damascene interconnect integration with two imprint acts. The method provides for creation of a pair of translucent imprint molds containing the dual damascene pattern to be imprinted. The first imprint mold of the pair contains the via features of the dual damascene pattern and the second imprint mold of the pair contains the trench features. The via feature imprint mold is brought into contact with a first imaging layer deposited upon a first transfer layer which is deposited upon a dielectric layer of a substrate. The trench feature imprint mold is brought into contact with a second imaging layer deposited upon a second transfer layer which is deposited upon the first imaging layer of the substrate. When each imaging layer is exposed to a source of illumination, it cures with a structure matching the features of the corresponding imprint mold. A sequence of etches transfer and combine the via features from the first imaging layer with the trenches from the second imaging layer to create the dual damascene openings within the dielectric layer.
摘要:
Disclosed are photolithographic systems and methods, and more particularly systems and methodologies that enhance imprint mask feature resolution. An aspect generates feedback information that facilitates control of imprint mask feature size and resolution via employing a scatterometry system to detect resolution enhancement need, and decreasing imprint mask feature size and increasing resolution of the imprint mask via a trim etch procedure.