Heat conducting composite printed by fdm and strategies for effective heat sinking
AssigneeSignify Holding B.V.
InventorsRifat Ata Mustafa HIKMET, Patrick ZUIDEMA, Paulus Albertus VAN HAL
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AssigneeSignify Holding B.V.
InventorsRifat Ata Mustafa HIKMET, Patrick ZUIDEMA, Paulus Albertus VAN HAL
Estimating the term…
The invention provides a method for 3D printing a heat sink (100) by means of fused deposition modelling, the method comprising layer-wise depositing a 3D printable material to provide a plurality of layers (322) of a 3D printed material (202) whereby a heat receiving face (101) of the heat sink (100) is created, the plurality of layers (322) of 3D printed material (202) being configured parallel to planes (325) perpendicular to the heat receiving face (101), wherein the 3D printable material comprises particles embedded in the 3D printable material, wherein the particles have an anisotropic thermal conductivity, wherein the particles are available in the 3D printable material in an amount selected from the range of 5-40 vol. % relative to the total volume of the 3D printable material, and wherein the layers (322) of 3D printed material (202) have layer heights (H) selected from the range of at maximum 800 μm.
A method for 3D printing a heat sink by means of fused deposition modelling, the method comprising layer-wise depositing a 3D printable material to provide a plurality of layers of a 3D printed material whereby a heat receiving face of the heat sink is created, the plurality of layers of 3D printed material being configured parallel to planes perpendicular to the heat receiving face, wherein the 3D printable material comprises particles embedded in the 3D printable material, wherein the particles have an anisotropic thermal conductivity, wherein the particles have a longest dimension selected from the range of 10-200 μm, wherein the particles are available in the 3D printable material in an amount selected from the range of 5-40 vol. % relative to the total volume of the 3D printable material, and wherein the layers of 3D printed material have layer heights selected from the range of at maximum 800 μm.
A heat sink comprising 3D printed material, wherein the heat sink comprises a plurality of layers of 3D printed material defining a heat receiving face, wherein the plurality of layers of 3D printed material are configured parallel to planes perpendicular to the heat receiving face, wherein the 3D printed material comprises a thermoplastic material having a weight averaged molecular weight of at maximum 1*105 Dalton, wherein at least 40 vol. % of the 3D printed material consists of the thermoplastic material, wherein the 3D printed material further comprises particles embedded in the 3D printed material, wherein the particles have an anisotropic thermal conductivity, wherein the particles have a longest dimension selected from the range of 10-200 μm, wherein the particles are available in the 3D printed material in an amount selected from the range of 5-40 vol. % relative to the total volume of the 3D printed material, and wherein the layers of 3D printed material have layer heights selected from the range of at maximum 800 μm.
Dependencies are inferred from the claim text.