3m Innovative Properties Company

Tomoaki Uchiya

Matthew H Frey

Mario Alberto Perez

Ross E Behling

Alexander J Kugel

Jacob D Young

Mark E Napierala

Thomas Q Chastek

Shaun M West

Sebastian Goris

Mitsuhiko Okada

Hideki Nagamatsu

Takaaki Nanba

Koh Shiota

Guanqiao Li

An adhesive sheet is a thermally expandable and thermosetting adhesive sheet including a substrate and a first layer provided on at least one surface of the substrate. The first layer contains an adhesive portion having an adhesive composition and thermally expandable first particles contained within the adhesive composition, and second particles provided in the adhesive portion and having different materials from those of the first particles, and each of the second particles is larger than each of the first particles.

Thermally expandable and thermosetting adhesive sheet

The invention is directed toward a heat conductive sheet that has flexibility, can follow a specific shape such as ruggedness and curvature, which can therefore insure high adhesion and, at the same time, excellent heat releasing property, is free from the occurrence of wrinkle and rupture or elongation, even when the thickness is decreased, and is excellent in formability of sheet formation and in bonding work. Such heat conductive sheet includes a substrate and a heat conductive resin layer applied to at least one surface of the substrate, wherein the heat conductive resin layer is constituted as to contain a binder resin and a heat conductive filler dispersed in the binder resin.

Heat conductive sheet and method of producing the sheet

To provide a reflection sheet, using a thinner, lower stiffness film, for use in surrounding a straight tube type fluorescent lamp in an edge type liquid crystal display panel back light device, which reflection sheet can realize a higher brightness of the back light device. A reflection sheet comprising: a film support having a thickness of 25 to 50 &mgr;m and, applied on a surface of the support, a reflective paint coat comprised of a mixture of a resin binder of a (meth)acrylate copolymer with a small particle balloon having a particle diameter of 0.05 to 10 &mgr;m and an inside empty diameter to particle diameter ratio of 0.2 to 0.9.

Back light reflection sheet for liquid crystal

Growing community of inventors

Kanagawa, Japan

Tomoaki Uchiya