摘要:
A biomolecular array includes a substrate across which is distributed an array of discrete regions of a porous substance. The porous substance is designed to bind chemical targets useful in biotechnology applications, such as gene expression, protein, antibody, and antigen experiments. The regions are preferably optically isolated from each other and may be shaped to enhance detection of optical radiation emanating from the porous substance, e.g., as a result of irradiation of the regions with ultraviolet light. The discrete regions may be configured as microscopic wells within the substrate, or they may reside on top of the substrate in the form of microscopic mesas.
摘要:
Copolymers prepared by radical polymerization of a substituted norbornene monomer and a fluoromethacrylic acid, fluoromethacrylonitrile, or fluoromethacrylate comonomer are provided. The polymers are useful in lithographic phtoresist compositions, particularly chemical amplification resists. In a preferred embodiment, the polymers are substantially transparent to deep ultraviolet (DUV) radiation, i.e., radiation of a wavelength less than 250 nm, including 157 nm, 193 nm and 248 nm radiation, and are thus useful in DUV lithographic photoresist compositions. A process for using the composition to generate resist images on a substrate is also provided, i.e., in the manufacture of integrated circuits or the like.
摘要:
Lithographic patterning methods involve the formation of a (one or more) metal oxide capping layer, which is rinsed with an aqueous alkaline solution as part of the method. The rinse solution does not damage the capping layer, but rather allows for lithographic processing without thinning the capping layer or introducing defects into it. Ammoniated water is a preferred rinse solution, which advantageously leaves behind no nonvolatile residue.
摘要:
A method of creating patterned objects using a class of lithographic photoresist combinations is disclosed which is suitable for use with visible light and does not require a post-exposure bake step. The disclosed photoresists are preferably chemical amplification photoresists and contain a photosensitizer having the structure of formula (I): where Ar1 and Ar2 are independently selected from monocyclic aryl and monocyclic heteroaryl, R1 and R2 may be the same or different, and have the structure —X—R3 where X is O or S and R3 is C1-C6 hydrocarbyl or heteroatom-containing C1-C6 hydrocarbyl, and R4 and R5 are independently selected from the group consisting of hydrogen and —X—R3, or, if ortho to each other, may be taken together to form a five- or six-membered aromatic ring, with the proviso that any heteroatom contained within Ar1, Ar2, or R3 is O or S. The use of the disclosed photoresists, particularly for the manufacture of holographic diffraction gratings, is also disclosed.
摘要:
A biomolecular array includes a substrate across which is distributed an array of discrete regions of a porous substance formed from a porogen-containing organosilicate material. The porous substance is designed to bind chemical targets useful in biotechnology applications, such as gene expression, protein, antibody, and antigen experiments. The regions are preferably optically isolated from each other and may be shaped to enhance detection of optical radiation emanating from the porous substance, e.g., as a result of irradiation of the regions with ultraviolet light. The discrete regions may be configured as microscopic wells within the substrate, or they may reside on top of the substrate in the form of microscopic mesas.
摘要:
The present invention provides methods for forming images in positive- or negative-tone chemically amplified photoresists. The methods of the present invention rely on the vertical up-diffusion of photoacid generated by patternwise imaging of an underlayer disposed on a substrate and overcoated with a polymer containing acid labile functionality. In accordance with the present invention, the vertical up-diffusion can be the sole mechanism for imaging formation or the methods of the present invention can be used in conjunction with conventional imaging processes.
摘要:
An organic light emitting display is provided which comprises as an emitting layer a fluorescent dye having at least one amine moiety substituted with two aryl groups. Also provided are new fluorescent compounds having N-aryl substituents which exhibit reduced pH sensitivity and enhanced stability to protonation.
摘要:
Novel norbornene fluoroacrylate copolymers are provided. The polymers are useful in lithographic photoresist compositions, particularly chemical amplification resists. In a preferred embodiment, the polymers are substantially transparent to deep ultraviolet (DUV) radiation, i.e., radiation of a wavelength less than 250 nm, including 157 nm, 193 nm and 248 nm radiation, and are thus useful in DUV lithographic photoresist compositions. A process for using the composition to generate resist images on a substrate is also provided, i.e., in the manufacture of integrated circuits or the like.