Patent application number | Description | Published |
20080206690 | Compositions, coatings and films for tri-layer patterning applications and methods of preparation thereof - Compositions for use in tri-layer applications are described herein, wherein the composition has a matrix and includes: a formulated polymer comprising at least one type of silicon-based moiety forming the matrix of the polymer, a plurality of vinyl groups coupled to the matrix of the polymer, and a plurality of phenyl groups coupled to the matrix of the polymer, at least one condensation catalyst, and at least one solvent. Tri-layer structures are also contemplated herein that comprise an organic underlayer (first layer), antireflective compositions and/or films contemplated herein (second layer) and a photoresist material (third layer) that are coupled to one another. Methods of producing a composition for tri-layer patterning applications includes: providing a formulated polymer comprising at least one type of silicon-based moiety forming the matrix of the polymer, a plurality of vinyl groups coupled to the matrix of the polymer, and a plurality of phenyl groups coupled to the matrix of the polymer, providing at least one condensation catalyst, providing at least one solvent, providing at least one pH modifier, blending the formulated polymer and part of the at least one solvent in a reaction vessel to form a reactive mixture; and incorporating the at least one pH modifier, the at least one condensation catalyst and the remaining at least one solvent into the reactive mixture to form the composition. | 08-28-2008 |
20090099396 | PROCESS FOR SYNTHESIS OF FLUORINATED OLEFINS - Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred processes of the present invention in accordance with one embodiment generally comprise:
| 04-16-2009 |
20090124837 | GAS PHASE SYNTHESIS OF 2,3,3,3-TETRAFLUORO-1-PROPENE FROM 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE - A multi-step process for preparing 2,3,3,3-tetrafluoro-1-propene comprising the steps of (a) contacting a starting material comprising 2-chloro-3,3,3-trifluoro-1-propene with hydrogen fluoride in the presence of activated first catalyst selected from the group consisting of antimony-halides, iron-halides, titanium halides, and tin-halides, to produce an intermediate composition; and (b) contacting said intermediate composition with a second catalyst of activated carbon to produce a final product comprising 2,3,3,3-tetrafluoro-1-propene. | 05-14-2009 |
20090203945 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - A method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): | 08-13-2009 |
20100075248 | BOTTOM ANTIREFLECTIVE COATINGS EXHIBITING ENHANCED WET STRIP RATES, BOTTOM ANTIREFLECTIVE COATING COMPOSITIONS FOR FORMING BOTTOM ANTIREFLECTIVE COATINGS, AND METHODS FOR FABRICATING THE SAME - Bottom antireflective coating (BARC) that exhibit enhanced wet strip rates, BARC compositions for fabricating such BARCs, and methods for manufacturing such BARC compositions are provided. According to one exemplary embodiment, a bottom antireflective coating (BARC) composition comprises an inorganic-based compound, an absorbing material, and a wet strip-rate modifier combination. The wet strip-rate modifier composition comprises a combination of a short chain linear alcohol and dipropylene glycol (DPG), a combination of the short chain linear alcohol and tetraethylene glycol (TEG), a combination of DPG and TEG, or a combination of the short chain linear alcohol, DPG, and TEG. | 03-25-2010 |
20100313950 | ANTI-REFLECTIVE COATINGS FOR OPTICALLY TRANSPARENT SUBSTRATES - Anti-reflective coatings and coating solutions, optically transparent elements and improved processes for preparing AR coatings and coating solutions are described. The anti-reflective coatings are formed from at least two different alkoxy silane materials in a base catalyzed reaction. | 12-16-2010 |
20120203036 | GAS PHASE SYNTHESIS OF 2,3,3,3-TETRAFLUORO-1-PROPENE FROM 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE - A multi-step process for preparing 2,3,3,3-tetrafluoro-1-propene comprising the steps of (a) contacting a starting material comprising 2-chloro-3,3,3-trifluoro-1-propene with hydrogen fluoride in the presence of activated first catalyst selected from the group consisting of antimony-halides, iron-halides, titanium halides, and tin-halides, to produce an intermediate composition; and (b) contacting said intermediate composition with a second catalyst of activated carbon to produce a final product comprising 2,3,3,3-tetrafluoro-1-propene. | 08-09-2012 |
20120208007 | BARRIER MATERIALS FOR MIRROR ASSEMBLIES - Provided herein is a reflective optical construction containing a fluoropolymer barrier layer, wherein the fluoropolymer is selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, preferably 2,3,3,3-tetrafluoropropene. Also disclosed is a method of forming a reflective optical construction including (a) applying a barrier layer comprising one or more fluoropolymers selected from the group consisting of homopolymers and copolymers of at least one tetrafluoropropene or pentafluoropropene, and (b) curing. | 08-16-2012 |
20120247531 | FLUORINATED ANTIREFLECTIVE COATING - Anti-reflective coatings and coating solutions, optically transparent elements and improved processes for preparing AR coatings and coating solutions are described. The anti-reflective coatings are formed from a fluoropolymer derived from at least one fluoropropene compound. The fluoropolymer may applied as a coating solution that is curable at low temperatures. | 10-04-2012 |
20130131403 | METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS - Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): | 05-23-2013 |
20140011019 | Anti-Reflective Coatings for Optically Transparent Substrates - Anti-reflective coatings and coating solutions, optically transparent elements and improved processes for preparing AR coatings and coating solutions are described. The anti-reflective coatings are formed from at least two different alkoxy silane materials in a base catalyzed reaction. | 01-09-2014 |
20140012049 | PROCESSES FOR SELECTIVE DEHYDROHALOGENATION OF HALOGENATED ALKANES - Disclosed are processes for producing halogenated olefins, and preferably tetrafluorinated propene(s), from one or more alkanes having both fluorine substituents and non-fluorine substituents, preferably with a high degree of conversion and selectivity. Preferably the process comprises the use of a catalyzed reaction in which the catalyst is selected from the group consisting of activated carbons, halogentated mono- and di-valent metal oxides, mono- and di-valent Lewis acid metal halides, zero-valent metals, and combinations of these. | 01-09-2014 |