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1. (WO2019031280) HEAT DISSIPATION SHEET HAVING HIGH THERMAL CONDUCTIVITY AND HIGH ELECTRIC INSULATION PROPERTY
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/031280 International Application No.: PCT/JP2018/028318
Publication Date: 14.02.2019 International Filing Date: 27.07.2018
IPC:
H05K 7/20 (2006.01) ,C08J 5/04 (2006.01) ,H01L 23/373 (2006.01)
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
K
PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
7
Constructional details common to different types of electric apparatus
20
Modifications to facilitate cooling, ventilating, or heating
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5
Manufacture of articles or shaped materials containing macromolecular substances
04
Reinforcing macromolecular compounds with loose or coherent fibrous material
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
23
Details of semiconductor or other solid state devices
34
Arrangements for cooling, heating, ventilating or temperature compensation
36
Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
373
Cooling facilitated by selection of materials for the device
Applicants:
デンカ株式会社 DENKA COMPANY LIMITED [JP/JP]; 東京都中央区日本橋室町二丁目1番1号 1-1,Nihonbashi-Muromachi 2-Chome,Chuo-ku, Tokyo 1038338, JP
Inventors:
和田 光祐 WADA,Kosuke; JP
山縣 利貴 YAMAGATA,Toshitaka; JP
金子 政秀 KANEKO,Masahide; JP
谷口 佳孝 TANIGUCHI,Yoshitaka; JP
Agent:
アクシス国際特許業務法人 AXIS PATENT INTERNATIONAL; 東京都港区新橋二丁目6番2号 新橋アイマークビル Shimbashi i-mark Bldg., 6-2 Shimbashi 2-Chome, Minato-ku, Tokyo 1050004, JP
Priority Data:
2017-15601610.08.2017JP
Title (EN) HEAT DISSIPATION SHEET HAVING HIGH THERMAL CONDUCTIVITY AND HIGH ELECTRIC INSULATION PROPERTY
(FR) FEUILLE DE DISSIPATION DE CHALEUR PRÉSENTANT UNE CONDUCTIVITÉ THERMIQUE ÉLEVÉE ET UNE PROPRIÉTÉ D'ISOLATION ÉLECTRIQUE ÉLEVÉE
(JA) 高熱伝導性および高絶縁性を有する放熱シート
Abstract:
(EN) This heat dissipation sheet is configured to have layers of a silicone composition containing aluminum oxide on both surfaces of a glass cloth serving as a reinforcement layer, and to have the silicone composition contained in the glass cloth. The heat dissipation sheet is characterized in that the aluminum oxide has an average sphericity of 0.85 or more, the frequency particle size distribution of the aluminum oxide has a maximum peak in the range of 15-50 μm, the range of 1-7 μm, and the range of 0.1-0.8 μm, the aluminum oxide has an average particle size of 7-50 μm, the aluminum oxide content and the silicone resin content of the silicone composition are in the ranges of 62-78 vol% and 22-38 vol%, respectively, the glass cloth is a woven material of glass fiber bundles obtained by bundling a plurality of glass filaments, and the impregnation ratio of the silicone composition to the glass fiber bundles is 20% or more.
(FR) La présente invention concerne une feuille de dissipation de chaleur conçue pour comprendre des couches d'une composition de silicone contenant de l'oxyde d'aluminium sur les deux surfaces d'un tissu de verre servant de couche de renforcement, et pour comprendre la composition de silicone contenue dans le tissu de verre. La feuille de dissipation de chaleur est caractérisée en ce que l'oxyde d'aluminium a une sphéricité moyenne supérieure ou égale à 0,85, la distribution de fréquences de tailles de particules de l'oxyde d'aluminium a un pic maximal dans la plage de 15 à 50 µm, la plage de 1 à 7 µm, et la plage de 0,1 à 0,8 µm, l'oxyde d'aluminium a une taille de particule moyenne de 7 à 50 µm, la teneur en oxyde d'aluminium et la teneur en résine de silicone de la composition de silicone sont comprises respectivement dans les plages de 62 à 78 % en volume et de 22 à 38 % en volume, le tissu de verre est un matériau tissé de faisceaux de fibres de verre obtenu en groupant une pluralité de filaments de verre, et le rapport d'imprégnation de la composition de silicone dans les faisceaux de fibres de verre est supérieur ou égal à 20 %.
(JA) 補強層のガラスクロスの両面に酸化アルミニウムを含有するシリコーン組成物の層が積層されかつガラスクロスの内部にシリコーン組成物が含有される構成を有する放熱シートであって、酸化アルミニウムが平均球形度0.85以上、酸化アルミニウムの頻度粒度分布において15~50μmの領域、1~7μmの領域及び0.1~0.8μmの領域に極大ピークがあり、酸化アルミニウムの平均粒子径が7~50μmであり、シリコーン組成物中の酸化アルミニウムの含有率が62~78体積%、シリコーン樹脂の含有率が22~38体積%の範囲であり、ガラスクロスが複数のガラスフィラメントを束ねたガラス繊維束の製織物であり、ガラス繊維束に対するシリコーン組成物の含浸率が20%以上であることを特徴とする放熱シート。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)