Patent ID: 11903316
Assignee: KELK LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. A thermoelectric module comprising:
a plurality of electrodes;
thermoelectric conversion elements arranged between the electrodes; and
a bonding layer disposed between the electrodes and the thermoelectric conversion elements,
wherein the bonding layer comprises:
copper-containing particles having a volume-based cumulative 50% diameter (D50) that is 1 to 7 μm,
copper balls having particle diameters of 30 μm or more, each of the particle diameters of the copper balls being greater than the D50 of the copper-containing particles,
an intermetallic compound of copper and tin, the intermetallic compound surrounding the copper-containing particles and the copper balls, and
a fired resin dispersed in a metal portion including the copper-containing particles and the intermetallic compound, and

wherein a total area ratio of the intermetallic compound with respect to a cross-sectional area of the bonding layer is 10 to 30%.