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公开(公告)号：US20140349067A1
公开(公告)日：2014-11-27
申请号：US14323423
申请日：2014-07-03
Applicant: DEXERIALS CORPORATION
Inventor： Hiroyuki USUI , Keisuke ARAMAKI
CPC classification number: B29D7/01 , B26D1/08 , B26D3/28 , B26D7/086 , B29C35/02 , B29C47/0004 , B29C47/0019 , B29C47/0021 , B29C47/0066 , B29C47/1027 , B29C47/8805 , B29C70/14 , B29C70/62 , B29K2509/00 , B29K2883/00 , B29K2995/0013 , B29K2995/0044 , B29K2995/0073 , B29L2007/00 , B29L2031/18 , C08G77/12 , C08G77/20 , C08J5/18 , C08J2383/04 , C08J2383/05 , C08J2383/07 , C08K3/04 , C08K3/22 , C08K5/56 , C08K7/06 , C08K7/18 , C08K2003/2227 , C08K2201/001 , C08K2201/005 , C08L83/04 , C08L83/14 , C08L2205/025 , H01L23/3737 , H01L24/27 , H01L24/29 , H01L24/83 , H01L2224/2929 , H01L2224/293 , H01L2224/29386 , H01L2224/29393 , H01L2224/29499 , H01L2224/8385 , H01L2924/0002 , Y10T428/24 , Y10T428/24355 , Y10T428/24488 , Y10T428/24777 , Y10T428/268 , C08L83/00 , H01L2924/00
Abstract: A thermally conductive sheet has cut surfaces with low surface roughness and hence shows reduced thermal resistance at the interfaces, and high thermal conductivity in the thickness direction. Thus, the thermally conductive sheet can be interposed between any of various heat sources and a radiation member. The process for producing the thermally conductive sheet includes at least: an extrusion molding step in which a thermally conductive composition containing a polymer, an anisotropic thermally conductive filler, and a filler is extruded with an extruder to thereby mold an extrusion-molded product in which the anisotropic thermally conductive filler has been oriented along the extrusion direction; a curing step in which the extrusion-molded product is cured to obtain a cured object; and a slicing step in which the cured object is sliced into a given thickness with an ultrasonic cutter in the direction perpendicular to the extrusion direction.
Abstract translation: 导热片具有低表面粗糙度的切割表面，因此在界面处显示降低的热阻，并且在厚度方向上具有高导热性。 因此，导热片可以插入在各种热源和辐射构件中的任一种之间。 制造导热片的方法至少包括：挤出成型步骤，其中使用挤出机挤出含有聚合物，各向异性导热填料和填料的导热组合物，从而模制挤出成型产品，其中 各向异性导热填料沿挤出方向取向; 固化步骤，其中挤出成型产品被固化以获得固化物体; 以及切割步骤，其中固化物体在与挤出方向垂直的方向上用超声波切割机切割成给定厚度。
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公开(公告)号：US20140346710A1
公开(公告)日：2014-11-27
申请号：US14323313
申请日：2014-07-03
Applicant: DEXERIALS CORPORATION
Inventor： Hiroyuki USUI , Keisuke ARAMAKI
IPC: B29D7/01
CPC classification number: B29D7/01 , B26D1/08 , B26D3/28 , B26D7/086 , B29C35/02 , B29C47/0004 , B29C47/0019 , B29C47/0021 , B29C47/0066 , B29C47/1027 , B29C47/8805 , B29C70/14 , B29C70/62 , B29K2509/00 , B29K2883/00 , B29K2995/0013 , B29K2995/0044 , B29K2995/0073 , B29L2007/00 , B29L2031/18 , C08G77/12 , C08G77/20 , C08J5/18 , C08J2383/04 , C08J2383/05 , C08J2383/07 , C08K3/04 , C08K3/22 , C08K5/56 , C08K7/06 , C08K7/18 , C08K2003/2227 , C08K2201/001 , C08K2201/005 , C08L83/04 , C08L83/14 , C08L2205/025 , H01L23/3737 , H01L24/27 , H01L24/29 , H01L24/83 , H01L2224/2929 , H01L2224/293 , H01L2224/29386 , H01L2224/29393 , H01L2224/29499 , H01L2224/8385 , H01L2924/0002 , Y10T428/24 , Y10T428/24355 , Y10T428/24488 , Y10T428/24777 , Y10T428/268 , C08L83/00 , H01L2924/00
Abstract: A thermally conductive sheet has cut surfaces with low surface roughness and hence shows reduced thermal resistance at the interfaces, and high thermal conductivity in the thickness direction. Thus, the thermally conductive sheet can be interposed between any of various heat sources and a radiation member. The process for producing the thermally conductive sheet includes at least: an extrusion molding step in which a thermally conductive composition containing a polymer, an anisotropic thermally conductive filler, and a filler is extruded with an extruder to thereby mold an extrusion-molded product in which the anisotropic thermally conductive filler has been oriented along the extrusion direction; a curing step in which the extrusion-molded product is cured to obtain a cured object; and a slicing step in which the cured object is sliced into a given thickness with an ultrasonic cutter in the direction perpendicular to the extrusion direction.
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