Analysis on Competitiveness of Thermal Interface Materials of Huanming Mobile
Flexible PK artificial graphite sheet with high uniform heat
Graphite parameters: | 1) Thermal conductivity, 1200~1400w/m.k in XY direction of artificial graphite, 8~9w/m.k in vertical Z direction 2) Thermal radiation, 0.55W/(m²·K4) after preparing the upper surface of artificial graphite 3) Thermal storage artificial graphite is based on 100% | Parameters of the uniformly heated composite material: | 1) X, Y horizontal thermal conductivity is 1400~1600w/m.k, vertical Z direction is 15-35w/m.k 2) The thermal radiation coefficient is 0.95W/(m²·K4), which is 1.73 times the same thickness of artificial graphite 3) The thermal resistance of thermal conductive adhesive is 0.21 ℃·inch/w, which is 1/2 of the same thickness of double-sided adhesive 4) Heat storage is 150% of the same thickness of artificial graphite (composite material characteristics) |
Graphite advantages/disadvantages: | 1) Advantage: uniform heat and strong level 2) Disadvantages: poor toughness, easy to drop powder, easy to fold 3) Do not bend or bend 4) The graphite sheet processing technology is complicated, and 5 production processes such as edging and laminating are required | Advantages/disadvantages of uniform heat composite materials: | Advantage: 1) High conductivity, high uniform heat, and bending resistance 2) Strong uniform heat effect, strong vertical heat conduction 3) No need for film edging process 4) The processing technology is simple, only one process is required for punching and forming 5) With EMI function, 6)同厚度,性能上EBT纳米散热膜比人工石墨性能提升10%以上 |
70 degree 4 square centimeter heat source uniform heating effect | 70 degree 4 square centimeter heat source uniform heating effect |
Uniform heat dissipation composite material PK artificial graphite sheet
Graphite parameters: | 1) Thermal conductivity, 1200~1400w/m.k in XY direction of artificial graphite, 8~9w/m.k in vertical Z direction 2) Thermal radiation, 0.55W/(m²·K4) after preparing the upper surface of artificial graphite 3) Thermal storage artificial graphite is based on 100% | Parameters of uniform heat composite material: | 1) X, Y horizontal thermal conductivity is 1400~1600w/m.k, vertical Z direction is 15-35w/m.k 2) The thermal radiation coefficient is 0.95W/(m²·K4), which is 1.73 times the same thickness of artificial graphite 3) The thermal resistance of thermal conductive adhesive is 0.21 ℃·inch/w, which is 1/2 of the same thickness of double-sided adhesive 4) Heat storage is 150% of the same thickness of artificial graphite (composite material characteristics) |
Graphite advantages/disadvantages: | 1) Advantage: uniform heat and strong level 2) Disadvantages: poor toughness, easy to drop powder, easy to fold 3) Do not bend or bend 4) The graphite sheet processing technology is complicated, and 5 production processes such as edging and laminating are required | Advantages/disadvantages of uniform heat composite materials: | Advantage: 1) High conductivity, high uniform heat, and bending resistance 2) Strong uniform heat effect, strong vertical heat conduction 3) No need for film edging process 4) The processing technology is simple, only one process is required for punching and forming 5) With EMI function, 6) With the same thickness, the performance of EBT nano heat dissipation film is more than 10% higher than that of artificial graphite |
70 degree 4 square centimeter heat source uniform heating effect | 70 degree 4 square centimeter heat source uniform heating effect |
Introduction of EBT High Conductivity and High Uniform Heat Composite New Material
Huanming heat dissipation material selection guide
Icon | Material selection | EBT recommended program |
EBT86 series silicone sheet EBT50 series heat dissipation paint | Option one) EBT model 0.3~0.5 thermally conductive silicone (3-5w/m.k) or thermally conductive silicone grease | |
Option 2) PT series heat dissipation paint sprayed on the inner cover of the shielding cover | ||
EBT85 series heat dissipation material EBT82 series uniform heat material | Solution 1) EBT's TCC series 40u, 55u, 70u products Solution 2) Using 55u and 75u of F series of uniform heat materials, eliminating the use of heat dissipation materials for the back cover of the mobile phone, it can be cost down | |
EBT85 series heat dissipation material EBT82 series uniform heat material | Solution 1) Adopt TCC series 55u, 70u heat dissipation materials Option 2) Use F series 55u, 75u uniform heating materials | |
EBT83 series uniform heat insulation series EBT82 series uniform heat material | Solution one) TGC series 50u and 70u products of uniform heat insulation material Option 2) Use F series 55u, 75u uniform heating materials | |
EBT84 series | Option 1) Phase change heat storage material EBT84 series |
Mobile phone heat dissipation material SPEC
Icon | Application location | Original plan | EBT recommended program |
On chip | Thermal conductive silicone sheet | EBT86 series products | |
Behind the screen Shield upper back cover | Foam, carbon copper | EBT83 uniform heat insulation series material 80µm, 100µm, 160µm products | |
Under the battery | Ordinary double-sided tape | Easy-pull thermal conductive adhesive EBT20 series |