Patent application number | Description | Published |
20090206328 | Silicon-Containing Photosensitive Composition, Method for Forming Thin Film Pattern Using Same, Protective Film for Electronic Device, Gate Insulating Film And Thin Film Transistor - Disclosed is a photosensitive composition having photosensitivity which is alkaline developable without containing a crosslinking agent. Specifically disclosed is a silicon-containing photosensitive composition characterized by containing a silicon-containing polymer including at least one polymer (A1) represented by the general formula (1) below, wherein at least one of R | 08-20-2009 |
20100297453 | INSULATING SHEET AND MULTILAYER STRUCTURE - The present invention provides an insulating sheet which is used for bonding a heat conductor having a thermal conductivity of 10 W/m·K or higher to an electrically conductive layer. The handleability of the insulating sheet is excellent when it is uncured, and a cured product of the insulating sheet has higher adhesion, heat resistance, dielectric breakdown characteristics, and thermal conductivity. The insulating sheet used for bonding a heat conductor having a thermal conductivity of 10 W/m·K or higher to an electrically conductive layer comprises: (A) a polymer having an aromatic skeleton and a weight average molecular weight of 10,000 or more; (B) at least one of an epoxy monomer (B1) having an aromatic skeleton and a weight average molecular weight of 600 or less and an oxetane monomer (B2) having an aromatic skeleton and a weight average molecular weight of 600 or less; (C) a curing agent composed of a phenol resin, an acid anhydride having an aromatic skeleton or an alicyclic skeleton, a hydrogenated product of the acid anhydride, or a modified product of the acid anhydride; and (D) a filler. When the insulating sheet is uncured, the insulating sheet has a glass transition temperature Tg of 25° C. or lower. | 11-25-2010 |
20110135911 | INSULATING SHEET AND MULTILAYER STRUCTURE - The present invention provides an insulating sheet which is excellent in handleability when it is uncured, and provides a cured product excellent in dielectric breakdown characteristics, thermal conductivity, heat resistance, acid resistance, and processability, and a multilayer structure produced by the use of the insulating sheet. The insulating sheet comprising: (A) a polymer having a weight average molecular weight of 10,000 or more; (B) at least one of an epoxy resin (B1) having a weight average molecular weight of less than 10,000 and an oxetane resin (B2) having a weight average molecular weight of less than 10,000; (C) a curing agent; and (D) at least one of magnesium carbonate anhydrous (D1) represented by MgCO | 06-09-2011 |
20110159296 | INSULATING SHEET AND LAMINATED STRUCTURE - The present invention provides an insulating sheet which is excellent in handleability when it is uncured, prevents excessive flowage in laminating press, and provides a cured product excellent in dielectric breakdown characteristics, thermal conductivity, heat resistance, and processability. The insulating sheet used for bonding a heat conductor having a thermal conductivity of 10 W/m·K or higher to an electrically conductive layer, comprising: (A) a polymer having a weight average molecular weight of 10,000 or more; (B) at least one of an epoxy monomer (B1) having an aromatic skeleton and a weight average molecular weight of 600 or less and an oxetane monomer (B2) having an aromatic skeleton and a weight average molecular weight of 600 or less; (C) a curing agent; and (D) 20 to 60% by volume of a first inorganic filler; and (E) 1 to 40% by volume of at least one of an organic filler (E1), and a second inorganic filler (E2) that is different from the first inorganic filler (D) and has a new Mohs' hardness of 3 or less and, when the filler (E) contains the organic filler (E1), 3 to 40% by volume of the organic filler (E1). | 06-30-2011 |
Patent application number | Description | Published |
20110051127 | REFRACTIVE INDEX MEASURING APPARATUS - By using two probe optical systems for measurement by disposing the probe optical systems with a test object sandwiched therebetween, an optical path length of light transmitted through the test object which is identified locally is calculated using an interference signal thereof. In addition, a geometrical thickness of the same part is calculated by measuring positions of the probe optical systems, whereby two calculated values are obtained. Based on the values and a calculated value for a reference object, a refractive index distribution of the test object is obtained. | 03-03-2011 |
20120134000 | TWO-DIMENSIONAL SCANNING DEVICE - A two-dimensional scanning device possesses: a light source for emitting light; a mirror for scanning on a test surface in the X direction; a mirror for scanning on the test surface in the Y direction; a lens which has different powers in relation to the X direction and the Y direction; and a lens which has different powers in relation to the X direction and the Y direction. The mirrors are arranged between the light source and a lens group including the lenses. | 05-31-2012 |
20120243000 | SHAPE MEASUREMENT METHOD AND SHAPE MEASUREMENT APPARATUS - On each of an optical axis of light entering a measurement object and an optical axis of light entering a reference mirror, compound lens whose achromatic condition, beam diameter condition, and color difference reduction condition are optimized using the focal length and/or the Abbe number of a collimator lens are placed. By correcting the wavefront by using the compound lens, the effect of the wavefront aberration is reduced, and the resolution in the shape measurement based on the optical interferometry is increased. | 09-27-2012 |
20120273812 | LIGHT SOURCE FOR ILLUMINATION - The present invention aims to provide a light source for illumination that achieves excellent luminous intensity distribution and can be easily assembled. A light source | 11-01-2012 |
20130051075 | LIGHT GUIDE PLATE, DIE, AND DIE PROCESSING METHOD - A light guide plate having a first surface and a second surface opposite the first surface receives the light in a first direction parallel with the second surface and emits the light towards the first surface in a third direction perpendicular to the first surface, the light guide plate including: a light receiving portion which receives the light; a light guiding path which guides the light in the first direction; and an emitting portion which emits the light by reflecting the guided light towards the first surface in the third direction. The emitting portion is a first V-shaped groove having a V-shaped cross-section extending on the second surface in a second direction crossing the first direction. The first V-shaped groove is provided in plurality in the first direction and formed to be deepest in the center in the second direction and become shallower as distance increases from the center. | 02-28-2013 |
20130170250 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface. A reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a propagation auxiliary region adjacent to the propagation region, a first diffusion-and-propagation region adjacent to the propagation auxiliary region, and a second diffusion-and-propagation region adjacent to the first diffusion-and-propagation region. The propagation region, the propagation auxiliary region, and the first diffusion-and-propagation region control hot spots and bright/dark lines in vicinities of the incident surface, while the second diffusion-and-propagation region controls viewing-angle characteristics of the light guide plate. | 07-04-2013 |
20130343082 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface, wherein a reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a diffusion-and-propagation auxiliary region adjacent to the propagation region, and a diffusion-and-propagation region adjacent to the diffusion-and-propagation auxiliary region. Hot spots and bright/dark lines in vicinities of the incident surface are controlled primarily by curved portions of prism upper ends formed in the diffusion-and-propagation region, and viewing-angle characteristics of the light guide plate are controlled primarily by linear portions of the prisms. | 12-26-2013 |
20150085530 | LIGHT GUIDE - Provided a light guide ( | 03-26-2015 |
20150293296 | LIGHT SOURCE DEVICE - A light source device including a light guide plate and a light source, in which the light guide plate includes an incident surface on which light emitted from the light source is incident, an emission surface emitting light incident from the incident surface, and a propagating reflection surface which is a surface opposite to the emission surface and which propagates and reflects the light incident from the incident surface toward the emission surface, the propagating reflection surface has approximately V-shaped grooves and the V-shaped grooves have two kinds of grooves. | 10-15-2015 |