3M Innovative Properties Company

Minnesota Mining and Manufacturing Company

Tzu-Chen Lee

Kevin Michael Lewandowski

Robert J DeVoe

Dennis Edward Vogel

Todd D Jones

Brian J Gates

Tommie W Kelley

Peiwang Zhu

Feng Bai

Christopher P Gerlach

Dawn V Muyres

Jun-Ying Zhang

David Adams Ender

Guoping Mao

Bradford B Wright

Jaime B Willoughby

Michael Albert Haase

Mark J Pellerite

Gary Timothy Boyd

Michael C Palazzotto

Paul Frederic Baude

Stefan H Gryska

Brian Kenneth Nelson

Robert J Devoe

Nelson B O'Bryan

Elisa M Cross

Laura A Weller-Brophy

Bruce A Sventek

Eileen M Flaherty Haus

A semi-submersible microscope objective includes a microscope objective having a protective barrel with an optical inlet and optical outlet, and a protective element affixed to the microscope objective, sealing the optical exit but not the optical inlet. A transparent portion of the protective element is aligned with the optical exit. The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.

Semi-submersible microscope objective with protective element and use of the same in multiphoton imaging method

A method of fabricating a structure includes disposing a liquid photoreactive composition on a substrate, exposing a portion of the liquid photoreactive composition to laser light of sufficient intensity and wavelength to cause polymerization via two-photon excitation of the two-photon sensitizer and polymerization of a portion of the liquid photoreactive composition thereby providing an exposed composition; and developing the exposed composition to provide the structure. The liquid composition includes: at least one cationically polymerizable polyepoxide; at least one compound comprising free-radically polymerizable groups; an effective amount of a two-photon photoinitiator system, wherein the weight ratio of component (a) to component (b) is from 25:75 to 75:25, inclusive. The two-photon photoinitiator system includes a two-photon sensitizer and an aromatic onium salt. The liquid photoreactive composition may contain less than about one percent by weight of organic solvent.

Liquid photoreactive composition and method of fabricating structures

A semi-submersible microscope objective () includes a microscope objective having a protective barrel () with an optical inlet () and optical outlet (), and a protective element () affixed to the microscope objective, sealing the optical outlet () but not the optical inlet (). A transparent portion () of the protective element is aligned with the optical exit (). The protective element is separable from the microscope objective without damaging the microscope objective. Use of the semi-submersible microscope objective in a multiphoton imaging method is also disclosed.

Lightguides, devices incorporating lightguides, processes for making lightguides, and tools used to make lightguides are described. A lightguide includes light extractors arranged in a plurality of regions on a surface of the lightguide. The orientation of light extractors in each region is arranged to enhance uniformity and brightness across a surface of the lightguide and to provide enhanced defect hiding. The efficiency of the light extractors is controlled by the angle of a given light extractor face with respect to a light source illuminating the light guide.

Light guides having enhanced light extraction

A sensor element () includes a first conductive electrode () having a first conductive member () electrically coupled thereto; an absorptive dielectric layer () comprising a polymer of intrinsic microporosity; and a second conductive electrode () having a second conductive member () electrically coupled thereto. The second conductive electrode comprises carbon nanotubes and is permeable to at least one organic vapor. The absorptive dielectric layer is at least partially disposed between the first conductive electrode and the second conductive electrode. A method of making the sensor element, and sensor device () containing it, are also disclosed.

Sensor element, method of making the same, and sensor device including the same

Disclosed herein is an optical article having a first optical layer; a second optical layer; and an antistatic layer disposed between the first and second optical layers, the antistatic layer having conducting particles having an aspect ratio greater than about 10. The conducting particles may comprise vanadium oxide particles or carbon nanotubes. The optical article may be a brightness enhancement film, a retro-reflecting film, or a reflective polarizer, and be used in a display device, for example, a liquid crystal display device.

Optical article having an antistatic layer

Electronic devices that include an acene-thiophene copolymer and methods of making such electronic devices are described. The acene-thiophene copolymer can be used, for example, in a semiconductor layer or in a layer positioned between a first electrode and a second electrode.

Electronic devices containing acene-thiophene copolymers

Acene-thiophene copolymers are provided that can be used as semiconductor materials in electronic devices. The acene-thiophene copolymers are of Formula I. In Formula I, Ac is a radical of an acene having 2 to 5 fused aromatic rings. The acene can be unsubstituted or substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof. Divalent group Q is selected from Formula III where each R1 and R2 group is independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof. The subscript n in Formula I is an integer equal to at least 4. The asterisks in Formula I indicate the location of attachment to another group such as another repeat unit of formula &#x2014;Ac-Q-.

Acene-thiophene copolymers

Electronic devices that include an acene-thiophene copolymer and methods of making such electronic devices are described. More specifically, the acene-thiophene copolymer has attached silylethynyl groups. The copolymer can be used, for example, in a semiconductor layer or in a layer positioned between a first electrode and a second electrode.

Electronic devices containing acene-thiophene copolymers with silylethynyl groups

Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula: wherein: each Ris independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each Ris independently H, an aryl group or R; each Ris independently H or methyl; each Ris independently an alkyl group, a halogen, or R; each Ris independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R. These polymers are useful in electronic devices such as organic thin film transistors.

Organic polymers, electronic devices, and methods

Organic polymers for use in laminates including capacitors, wherein the polymer includes repeat units of the formula: wherein: each Ris independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each Ris independently H, an aryl group or R; each Ris independently H or methyl; each Ris independently an alkyl group, a halogen, or R; each Ris independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R.

Organic polymers, laminates, and capacitors

An organic Schottky diode includes a polycrystalline organic semiconductor layer with a rectifying contact on one side of the layer. An amorphous doped semiconductor layer is placed on the other side of the polycrystalline organic semiconductor layer, and it acts as a buffer between the semiconductor layer and an ohmic contact layer.

Organic Schottky diode

Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula: wherein: each Ris independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each Ris independently H, an aryl group or R; each Ris independently H or methyl; each Ris independently an alkyl group, a halogen, or R; each Ris independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0&#x2013;3; with the proviso that at least one repeat unit in the polymer includes an R. These polymers are useful in electronic devices such as organic thin film transistors.

An insulating layer in a field effect transistor is formed of superfine ceramic particles dispersed in a polymeric matrix. The characteristics of the insulating layer can be changed by varying the mix of ceramic particles and matrix components. Appropriate selection of components can provide a high dielectric constant material which is not subject to pinholes, has a high voltage breakdown and is chemically resistant. The material can be applied at relatively low processing temperatures, using a wide range of coating techniques, and is highly suited for use with polymeric substrates.

Growing community of inventors

Woodbury, MN, United States of America

Tzu-Chen Lee