Patents by Inventor Margaret E. Best
Margaret E. Best has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8262975Abstract: Nanoimprint lithography using resist material with the addition of a surfactant is described. A template release layer is formed on a pattern of a template. A non-ionic surfactant is added to a resist material to form a mixed resist material. The resist material may comprise a hydrocarbon material having an unsaturated bond, such as an acrylate material. The surfactant may comprise polyalkylene glycol or an organically modified polysiloxane. A resist layer is then formed on a substrate from the mixed resist material. The surfactant added to the resist material forms a resist release layer on the surface of the resist layer. The template is then pressed into the resist layer, where the template release layer and the resist release layer are between the pattern of the template and the resist layer.Type: GrantFiled: November 11, 2008Date of Patent: September 11, 2012Assignee: HGST Netherlands B.VInventors: Margaret E. Best, Xing-Cai Guo, Thomas E. Karis, Dan S. Kercher, Charles M. Mate, Tsai-Wei Wu
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Publication number: 20100117256Abstract: Nanoimprint lithography using resist material with the addition of a surfactant is described. A template release layer is formed on a pattern of a template. A non-ionic surfactant is added to a resist material to form a mixed resist material. The resist material may comprise a hydrocarbon material having an unsaturated bond, such as an acrylate material. The surfactant may comprise polyakylene glycol or an organically modified polysiloxane. A resist layer is then formed on a substrate from the mixed resist material. The surfactant added to the resist material forms a resist release layer on the surface of the resist layer. The template is then pressed into the resist layer, where the template release layer and the resist release layer are between the pattern of the template and the resist layer.Type: ApplicationFiled: November 11, 2008Publication date: May 13, 2010Inventors: Margaret E. Best, Xing-Cai Guo, Thomas E. Karis, Dan S. Kercher, Charles M. Mate, Tsai-Wei Wu
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Patent number: 5610901Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: August 1, 1996Date of Patent: March 11, 1997Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5606546Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: May 22, 1996Date of Patent: February 25, 1997Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5598398Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: April 19, 1995Date of Patent: January 28, 1997Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5586107Abstract: An optical data storage system comprises a multiple data surface medium and an optical head. The medium comprises a plurality of substrates, each supporting a data surface that contains optical media for the recording of data. The data surfaces are spaced apart so that each data surface can be accessed by focused laser light from the optical head. The type of optical media on each of the data surfaces may be ROM, write-once read-many (WORM), magneto-optic or phase change. At least one of the data surfaces includes recorded information located in a track header that identifies the type of optical media contained in the data surfaces.Type: GrantFiled: November 16, 1995Date of Patent: December 17, 1996Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5513170Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: January 26, 1995Date of Patent: April 30, 1996Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5510164Abstract: A single-sided ablative write-once optical disk is usable without a protective cartridge. The disk includes the conventional radiation-transparent polycarbonate substrate that has one surface serving as the disk outer face and an opposite surface that supports the fluorinated hydrocarbon subbing layer and the tellurium-based active data layer. The tellurium alloy in the data layer flows to form holes when subjected to incident laser radiation through the substrate. A multilayer protective coating is formed over the tellurium-based layer and has an outer surface that serves as the other outer face for the disk. The multilayer protective coating includes a deformable layer formed directly on the tellurium-based layer and a scratch-resistant hardcoat formed on the deformable layer. The deformable layer has sufficient hardness and modulus of elasticity to permit the tellurium alloy to flow at conventional laser power levels. In one embodiment the deformable layer is a silicone elastomer.Type: GrantFiled: December 16, 1994Date of Patent: April 23, 1996Assignee: International Business Machines CorporationInventors: Margaret E. Best, Paul B. Comita, Kurt A. Rubin, Takao Suzuki, Wade W. C. Tang, Yu-Sze Yen
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Patent number: 5446723Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: January 10, 1995Date of Patent: August 29, 1995Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5410530Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: January 26, 1994Date of Patent: April 25, 1995Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5381401Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: June 18, 1993Date of Patent: January 10, 1995Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand
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Patent number: 5255262Abstract: An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.Type: GrantFiled: June 4, 1991Date of Patent: October 19, 1993Assignee: International Business Machines CorporationInventors: Margaret E. Best, Hal J. Rosen, Kurt A. Rubin, Timothy C. Strand