First radiophoton phased antenna array

Zaitsev, D. F.; Андреев, В. М.; Bilenko, I. A.; Berezovsky, A.A.; Vladislavsky, P.Yu.; Gurfinkel, Y.; Tsvetkova, L.I.; Kalinovsky, V.S.; Kondratyev, N.M.; Kosolobov, V.N.; Kurochkin, V.F.; Slipchenko, S. O.; Smirnov, Nikita; Yakovlev, Boris V.

doi:10.18127/j00338486-202104-17

Cited by 6 publications

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“…The reliability and operating performance of modern semiconductor devices with a high heat release depend largely on the efficiency of heat removal [1]. Among these devices are solar batteries with solar radiation concentrators and photodetectors of laser radiation [2][3][4]. The heatremoving properties of such devices depend primarily on the interface (solder layer between a photovoltaic converter and a heat-removing base (HB)) quality.…”

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confidence: 99%

Studies of the thermal conductivity and thermal resistance of solder layers with lead-free pastes by the photodeflection method

Глазов

Kalinovskii

Kontrosh

et al. 2022

Technical Physics Letters

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The processes of heat removal from multijunction solar cells on a germanium substrate to AlN ceramics through a solder layer were studied by thermal wave photodeflection methods. Two types lead-free solder based on SnBi and SnAgCu were used under various pressure soldering conditions. The thermal conductivity and thermal resistance of the solder layers are compared. It is shown that the thermal conductivities of the solder layers differ from the reference data for the corresponding metal alloys, and in some cases may depend on the pressure during the brazing process. Keywords: thermal resistance, multi-junction solar cells, lead-free solder, non-destructive testing, thermal waves.

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confidence: 99%