3m Innovative Properties Company

University of Minnesota

Chikafumi Yokoyama

Kenton D Budd

Takaki Sugimoto

Lanny D Schmidt

Sameer S Bharadwaj

Kenji Matsumoto

Stephen B Roscoe

James A Laird

Akira Yoda

Stephen L Lieder

Hirohiko Ono

John E Bailey

Toshinori Naruse

Hiroshi Kikuchi

Chi-Hing Chiu

Matthew H Frey

Toshihiro Suwa

Charles J Studiner, Iii

Toshihro Kasai

To provide a flexible mold () useful for manufacturing a PDP rib having a lattice pattern and other microstructures, and capable of highly precisely manufacturing the microstructures without involving defects such as occurrence of bubbles and pattern deformation. A flexible mold () comprises a base layer () made of a first curable material having a viscosity of 3,000 to 100,000 cps at 10 to 80&#xb0; C. and a coating layer () coating a surface of the base layer () and made of a second curable material having a viscosity of 200 cps or below at 10 to 80&#xb0; C.

Flexible mold and method of manufacturing microstructure using the same

A method of forming microstructures on a substrate is disclosed. A microstructured assembly that may be used in the method for forming microstructures on a substrate is also disclosed. The methods and assemblies of the present disclosure can reduce the amount of air entrapped in barrier ribs formed on substrates used in Plasma Display devices.

Method of forming microstructures on a substrate and a microstructured assembly used for same

A process for the production of a mono-olefin from a gaseous paraffinic hydrocarbon having at least two carbon atoms or mixtures thereof comprising reacting said hydrocarbons and molecular oxygen in the presence of a platinum catalyst. The catalyst consists essentially of platinum modified with Sn or Cu and supported on a ceramic monolith.

Catalytic oxidative dehydrogenation process and catalyst

A method of producing a substrate for a plasma display panel by providing a rib on a base, which comprises the steps of contacting a rib precursor containing a first photo-setting initiator having a first absorption edge and a first photo-setting component closely with said base; filling a mold, obtained by photo-setting of a second photo-setting initiator having a second absorption edge whose wavelength is shorter than a wavelength corresponding to said first absorption edge of said first photo-setting initiator, with said rib precursor; exposing said rib precursor to light having a wavelength longer than a wavelength corresponding to said second absorption edge, thereby setting said rib precursor; and removing said mold.

Method of producing substrate for plasma display panel and mold used in the method

A method of producing barrier ribs for a plasma display panel substrate, which comprises the steps of: (a) partially filling a groove portion of a mold with a first photosensitive glass-ceramic paste selected from a photosensitive black glass-ceramic paste and a photosensitive white glass-ceramic paste, and curing the paste by irradiating with radiation; (b) supplying a second photosensitive glass-ceramic paste, which is different from the first photosensitive glass-ceramic paste, selected from the photosensitive black glass-ceramic paste and the photosensitive white glass-ceramic paste, on a glass base, and laminating the mold with the glass base through the second paste to form a laminate; (c) irradiating the laminate with radiation to form a rib precursor molded article composed of two white and black layers; (d) removing the mold from the glass base and the rib precursor molded article to transfer the rib precursor molded article to the glass base; and (e) sintering the rib precursor molded article to form a rib formed integrally on the glass base.

Method of producing barrier ribs for plasma display panel substrates

An apparatus is provided for producing a substrate for PDP, which can easily reduce ununiformity of a dielectric layer and defects of ribs. The apparatus is so constituted that it comprises: a table for the plate, a rib precursor supplying portion for providing a precusor of the ribs on the plate, a pliable mold having at least groove portions provided in parallel with each other at a fixed distance, which is disposed on the precursor of the ribs provided on the plate, a mold pressing portion for applying a pressure to the mold, thereby to contact the mold closely with the plate via the precursor of the ribs, and a driving portion for moving the mold pressing portion along the groove portions of the mold.

Apparatus, mold and method for producing substrate for plasma display panel

A molding composition is provided that includes an inorganic component, an organic binder component, and a debinding catalyst. The molding composition is capable of lowering the sintering temperature, for example, when the molding composition is used to make ceramic microstructures such as barrier ribs for plasma display panels.

Molding composition containing a debinding catalyst for making ceramic microstructures

A process for the production of a mono-olefin from a gaseous paraffinic hydrocarbon having at least two carbon atoms or mixtures thereof comprising reacting the hydrocarbons and molecular oxygen in the presence of a platinum catalyst. The catalyst consists essentially of platinum modified with Sn or Cu and supported on a ceramic monolith.

To provide a photosensitive paste capable of forming a rib having a predetermined shape with comparatively high accuracy, uniformly and rapidly, while inhibiting shrinkage and deformation in case of curing or calcination. A photosensitive paste comprising a ceramic powder, a binder of a silane coupling agent containing a methacrylic group and having a molecular weight of 232 to 290, and a glass powder having a softening point lower than that of a silica, characterized in that said glass powder is contained in the amount of 10-70% by volume based on the total amount of the powders.

Photosensitive pastes and substrates for plasma display panel using the same

Transparent solid, fused microspheres are provided. In one embodiment, the microspheres contain alumina, zirconia, and silica in a total content of at least about 70% by weight, based on the total weight of the solid, fused microspheres, wherein the total content of alumina and zirconia is greater than the content of silica, and further wherein the microspheres have an index of refraction of at least about 1.6 and are useful as lens elements.

Transparent beads and their production method

The present invention relates to transparent microspheres (i.e., beads) that impart yellow color to retroreflected light. The microsphere preferably comprise titania plus alumina, zirconia, and/or silica and iron oxide, manganese oxide, or mixtures thereof. More particularly, the present invention relates to fused microspheres that impart yellow color to retroreflected light having both transparency and mechanical properties suitable, for example, for lens elements in retroreflective articles.

Glass-ceramic microspheres that impart yellow color to retroreflected light

Transparent solid microspheres that contain titania plus alumina, zirconia, and/or silica in a total content of at least about 75% by weight, based on the total weight of the solid microspheres, wherein the total content of alumina, zirconia, and titania is greater than the content of silica.

Growing community of inventors

Zama, Japan

Chikafumi Yokoyama