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Temperature profile and thermal-spreading resistance for a semi-infinite type-IIa-diamond heat sink

Temperature profile and thermal-spreading resistance for a semi-infinite type-IIa-diamond heat sink

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© The Institution of Electrical Engineers
Published

The steady-state temperature profile and thermal-spreading resistance for a uniform heat source on a semi-infinite type IIa-diamond heat sink are calculated. The inverse temperature dependence of the diamond thermal conductivity is taken into account.

Inspec keywords: heat sinks; microwave devices

Other keywords: semi infinite; thermal spreading resistance; microwave power generating devices; circular heat source; avalanche diodes; Gunn diodes; type IIa diamond; heat sink; temperature distribution; high power operation; steady state

Subjects: Packaging; Solid-state microwave circuits and devices; Product packaging

References

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      • R. Berman , E.L. Foster , J.M. Ziman . The thermal conductivity of dielectric crystals: the effect of isotopes. Proc. Roy. Soc. , 344 - 354
    2. 2)
      • C.B. Swan . Improved performance of silicon avalanche oscillators mounted on diamond heat sinks. Proc. Inst. Elec. Electron. Eng. , 1617 - 1618
    3. 3)
      • G.A. Slack . Thermal conductivity of pure and impure silicon, silicon carbide and diamond. J. Appl Phys. , 3460 - 3466
    4. 4)
      • D.R. Decker , A.G. Schorr . High-power IMPATT diodes on diamond heat sink. IEEE Trans. , 739 - 743
    5. 5)
      • H.S. Carslaw , J.C. Jaeger . (1959) , Conduction of heat in solids.
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